{ "vectors": "a2ally-ledger-verifier-conformance", "version": "1", "about": "Conformance vectors for independent implementations of the a2ally Ledger verifier. Each vector is a daily-snapshot pair (a signed manifest and its body) plus the key set it is verified against. In these vectors the snapshot body travels as a JSON value; its bytes are the canonical serialization (keys sorted, no whitespace, UTF-8) — the same serialization the ledger's hashing rules state. A conforming verifier accepts the known-good vector in full and rejects every altered vector, failing at least the checks named in expect_failing_checks. Regenerate and compare: node scripts/gen-conformance-vectors.mjs in the published tooling reproduces this document byte for byte.", "checks": [ "manifest.consistency", "manifest.body_sha256", "manifest.signature", "snapshot.head", "chain.height_sequence", "chain.prev_link", "entry.payload_hash", "entry.leaf_hash", "block.entry_count", "block.merkle_root", "block.hash", "block.key_published", "block.signature" ], "known_good": { "description": "A complete, correctly built and signed reference chain. A conforming verifier accepts it in full and reproduces the expected outcomes below.", "expect": "pass", "expected": { "blocks": 3, "entries": 4, "head_height": 2, "head_hash": "fdf7126ba0faaeb24bc3cfe78d961776b5e95238d16a60d5eda6c5b852b8df3d", "block_0_merkle_root": "ead737c2c4e8d1c8aae2fc2e04a637aec9682678b7aef6f3cdd2ab09d6489802", "entry_1_payload_hash": "079ab1e49c302260aff30b108438fc0f814077c0bc7b43093a77ee39abc5e891", "entry_1_leaf_hash": "ead737c2c4e8d1c8aae2fc2e04a637aec9682678b7aef6f3cdd2ab09d6489802" }, "snapshot": { "manifest": { "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "day": "2026-01-02", "head_height": 2, "head_hash": "fdf7126ba0faaeb24bc3cfe78d961776b5e95238d16a60d5eda6c5b852b8df3d", "sha256": "513788f9cdea6c5a7b1e22561dd270d88b43a4baf66873f50b5a16a0cbdb8295", "signature": "+V5jgjwvrlRjyheeM4UxXiD3K+z19+Uiqducld9rRT/DroT3pblTcyoo/TZOuUAADQw5gUeU7ViQI9xJ0+uDCQ==", "signed_bytes": "{\"day\":\"2026-01-02\",\"head_hash\":\"fdf7126ba0faaeb24bc3cfe78d961776b5e95238d16a60d5eda6c5b852b8df3d\",\"head_height\":2,\"issuer\":\"a2ally-conformance\",\"key_id\":\"key_conformance_vectors\",\"sha256\":\"513788f9cdea6c5a7b1e22561dd270d88b43a4baf66873f50b5a16a0cbdb8295\"}", "cutoff": "2026-01-02T00:00:00.000Z", "blocks": 3, "truncated": false }, "body": { "blocks": [ { "block": { "at": "2026-01-01T00:00:00.000Z", "block_hash": "7bb9e3dcb790c1176e3395adaf00ec61931413da573af192abcc750cba2b0673", "entry_count": 1, "first_seq": 1, "height": 0, "key_id": "key_conformance_vectors", "last_seq": 1, "merkle_root": "ead737c2c4e8d1c8aae2fc2e04a637aec9682678b7aef6f3cdd2ab09d6489802", "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAMr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y=\n-----END PUBLIC KEY-----\n", "signature": "h1gktpRq4Fiy9+yEBGLAs1yOkDjjWKnLsQm4elMA5mAIDhUFjkHDIS14ChTsw2v0ajuNY55STkGFd49mEWAKCA==", "v": 1 }, "entries": [ { "at": "2026-01-01T00:00:00.000Z", "block_height": 0, "data": { "anchoring": "every block hash is submitted to OpenTimestamps calendars for timestamping in Bitcoin", "block_interval_seconds": 30, "block_max_entries": 256, "block_scheme": "a2ally-block-v1: sha256(\"block:\" + canonical({v, height, prev_hash, merkle_root, first_seq, last_seq, entry_count, at, key_id}))", "canonicalization": "JSON, object keys sorted, no whitespace, UTF-8", "created_at": "2026-01-01T00:00:00.000Z", "genesis_prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "hash_alg": "sha256", "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "leaf_scheme": "a2ally-leaf-v1: sha256(\"leaf:\" + canonical({seq, at, type, subject, payload_hash}))", "ledger": "a2ally Ledger — verifier conformance reference chain", "ledger_version": 1, "node_scheme": "a2ally-node-v1: sha256(\"node:\" + left + right); an odd node is carried up unchanged", "payload_scheme": "a2ally-payload-v1: sha256(canonical(payload))", "signature_alg": "Ed25519", "signature_scheme": "Ed25519 over canonical(header), base64", "witnesses": "outside domains cosign block headers with Ed25519 keys published at https:///.well-known/a2ally-witness.pem" }, "leaf_hash": "ead737c2c4e8d1c8aae2fc2e04a637aec9682678b7aef6f3cdd2ab09d6489802", "payload": { "anchoring": "every block hash is submitted to OpenTimestamps calendars for timestamping in Bitcoin", "block_interval_seconds": 30, "block_max_entries": 256, "block_scheme": "a2ally-block-v1: sha256(\"block:\" + canonical({v, height, prev_hash, merkle_root, first_seq, last_seq, entry_count, at, key_id}))", "canonicalization": "JSON, object keys sorted, no whitespace, UTF-8", "created_at": "2026-01-01T00:00:00.000Z", "genesis_prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "hash_alg": "sha256", "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "leaf_scheme": "a2ally-leaf-v1: sha256(\"leaf:\" + canonical({seq, at, type, subject, payload_hash}))", "ledger": "a2ally Ledger — verifier conformance reference chain", "ledger_version": 1, "node_scheme": "a2ally-node-v1: sha256(\"node:\" + left + right); an odd node is carried up unchanged", "payload_scheme": "a2ally-payload-v1: sha256(canonical(payload))", "signature_alg": "Ed25519", "signature_scheme": "Ed25519 over canonical(header), base64", "witnesses": "outside domains cosign block headers with Ed25519 keys published at https:///.well-known/a2ally-witness.pem" }, "payload_hash": "079ab1e49c302260aff30b108438fc0f814077c0bc7b43093a77ee39abc5e891", "seq": 1, "subject": "a2ally-conformance", "texts": {}, "type": "ledger.genesis" } ] }, { "block": { "at": "2026-01-01T00:00:30.000Z", "block_hash": "0f87d82ef4202cab12a291430dc597e43a509e2d08d0d9564148dd89f6247c60", "entry_count": 2, "first_seq": 2, "height": 1, "key_id": "key_conformance_vectors", "last_seq": 3, "merkle_root": "3cd0b2fc536f6452a39fceb8114c9581f5b398abc8d30ea564368f14ef821edd", "prev_hash": "7bb9e3dcb790c1176e3395adaf00ec61931413da573af192abcc750cba2b0673", "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAMr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y=\n-----END PUBLIC KEY-----\n", "signature": "TK3PORDr4lsrVCB9+tTwZXp0FzYJafeI7B5/BT3D8KqktO+UhGZsPr7NQ7rFzjcQS+AgE3lyrb7IN4G6/G6SCw==", "v": 1 }, "entries": [ { "at": "2026-01-01T00:00:10.000Z", "block_height": 1, "data": { "changed": [ "verifier_conformance" ], "rules": 1, "v": 1 }, "leaf_hash": "f127eaace5bcffee12edbacce86a5fc899fffa2bb949d2b5e3f7b5c26066a63e", "payload": { "changed": [ "verifier_conformance" ], "rules": 1, "v": 1 }, "payload_hash": "7c2ce8c44994c899cb5ce0b80ab5155f786be77d3ea0e6fa842760906e4d20cd", "seq": 2, "subject": "a2ally-conformance", "texts": {}, "type": "rules.published" }, { "at": "2026-01-01T00:00:20.000Z", "block_height": 1, "data": { "day": "2025-12-31", "journal_entries": 0, "total": 3, "v": 1 }, "leaf_hash": "baa82a005c84b1d6dbd6be3e2ed81db4fb6875d6cde73b2174a4e2d551e06ce6", "payload": { "day": "2025-12-31", "journal_entries": 0, "total": 3, "v": 1 }, "payload_hash": "ead1ba009bdab9aefaf79c50594821cf518ecb9999b489c1413f0cfd1bc2a148", "seq": 3, "subject": "activity:2025-12-31", "texts": {}, "type": "activity.daily" } ] }, { "block": { "at": "2026-01-01T00:01:00.000Z", "block_hash": "fdf7126ba0faaeb24bc3cfe78d961776b5e95238d16a60d5eda6c5b852b8df3d", "entry_count": 1, "first_seq": 4, "height": 2, "key_id": "key_conformance_vectors", "last_seq": 4, "merkle_root": "8de3be9cea13aba2aa90036d0807ae75025d4eac4f150bbd376370d2421ce27e", "prev_hash": "0f87d82ef4202cab12a291430dc597e43a509e2d08d0d9564148dd89f6247c60", "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAMr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y=\n-----END PUBLIC KEY-----\n", "signature": "sV1HLc3BeaQaHmqZiRDGny89l8wFwBjms7aXE5m6nDTMqRwVYjeaCbE1ntHh22C+EjepjTPGTNukZ2wih6JWCw==", "v": 1 }, "entries": [ { "at": "2026-01-01T00:00:45.000Z", "block_height": 2, "data": { "receipt": "conformance-receipt-1", "v": 1 }, "leaf_hash": "8de3be9cea13aba2aa90036d0807ae75025d4eac4f150bbd376370d2421ce27e", "payload": { "receipt": "conformance-receipt-1", "v": 1 }, "payload_hash": "ed578438e87114833c930f290c4bb6d41abd2d1fd648cc2d9bc0cc715c19ed90", "seq": 4, "subject": "a2ally-conformance", "texts": {}, "type": "receipt.issued" } ] } ], "cutoff": "2026-01-02T00:00:00.000Z", "day": "2026-01-02", "issuer": "a2ally-conformance" } }, "jwks": { "keys": [ { "kty": "OKP", "crv": "Ed25519", "x": "Mr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y", "kid": "key_conformance_vectors", "alg": "EdDSA", "use": "sig", "status": "current" } ] } }, "tampered": [ { "id": "entry-altered", "kind": "an entry payload altered after the block was sealed", "expect": "fail", "expect_failing_checks": [ "entry.payload_hash" ], "snapshot": { "manifest": { "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "day": "2026-01-02", "head_height": 2, "head_hash": "fdf7126ba0faaeb24bc3cfe78d961776b5e95238d16a60d5eda6c5b852b8df3d", "sha256": "1b6c4714cb3753da94d061254d7a54392517a692116ab6624ca9fe6a56fcc4d9", "signature": "deehpL8ApewJI1p03BO5IJXHyoB/7DZKdbNUP9x07iR6Lcl6zFP9XiqWfFiAk5ENH5WEdanc0xticc1egMIoCA==", "signed_bytes": "{\"day\":\"2026-01-02\",\"head_hash\":\"fdf7126ba0faaeb24bc3cfe78d961776b5e95238d16a60d5eda6c5b852b8df3d\",\"head_height\":2,\"issuer\":\"a2ally-conformance\",\"key_id\":\"key_conformance_vectors\",\"sha256\":\"1b6c4714cb3753da94d061254d7a54392517a692116ab6624ca9fe6a56fcc4d9\"}", "cutoff": "2026-01-02T00:00:00.000Z", "blocks": 3, "truncated": false }, "body": { "blocks": [ { "block": { "at": "2026-01-01T00:00:00.000Z", "block_hash": "7bb9e3dcb790c1176e3395adaf00ec61931413da573af192abcc750cba2b0673", "entry_count": 1, "first_seq": 1, "height": 0, "key_id": "key_conformance_vectors", "last_seq": 1, "merkle_root": "ead737c2c4e8d1c8aae2fc2e04a637aec9682678b7aef6f3cdd2ab09d6489802", "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAMr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y=\n-----END PUBLIC KEY-----\n", "signature": "h1gktpRq4Fiy9+yEBGLAs1yOkDjjWKnLsQm4elMA5mAIDhUFjkHDIS14ChTsw2v0ajuNY55STkGFd49mEWAKCA==", "v": 1 }, "entries": [ { "at": "2026-01-01T00:00:00.000Z", "block_height": 0, "data": { "anchoring": "every block hash is submitted to OpenTimestamps calendars for timestamping in Bitcoin", "block_interval_seconds": 30, "block_max_entries": 256, "block_scheme": "a2ally-block-v1: sha256(\"block:\" + canonical({v, height, prev_hash, merkle_root, first_seq, last_seq, entry_count, at, key_id}))", "canonicalization": "JSON, object keys sorted, no whitespace, UTF-8", "created_at": "2026-01-01T00:00:00.000Z", "genesis_prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "hash_alg": "sha256", "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "leaf_scheme": "a2ally-leaf-v1: sha256(\"leaf:\" + canonical({seq, at, type, subject, payload_hash}))", "ledger": "a2ally Ledger — verifier conformance reference chain", "ledger_version": 1, "node_scheme": "a2ally-node-v1: sha256(\"node:\" + left + right); an odd node is carried up unchanged", "payload_scheme": "a2ally-payload-v1: sha256(canonical(payload))", "signature_alg": "Ed25519", "signature_scheme": "Ed25519 over canonical(header), base64", "witnesses": "outside domains cosign block headers with Ed25519 keys published at https:///.well-known/a2ally-witness.pem" }, "leaf_hash": "ead737c2c4e8d1c8aae2fc2e04a637aec9682678b7aef6f3cdd2ab09d6489802", "payload": { "anchoring": "every block hash is submitted to OpenTimestamps calendars for timestamping in Bitcoin", "block_interval_seconds": 30, "block_max_entries": 256, "block_scheme": "a2ally-block-v1: sha256(\"block:\" + canonical({v, height, prev_hash, merkle_root, first_seq, last_seq, entry_count, at, key_id}))", "canonicalization": "JSON, object keys sorted, no whitespace, UTF-8", "created_at": "2026-01-01T00:00:00.000Z", "genesis_prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "hash_alg": "sha256", "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "leaf_scheme": "a2ally-leaf-v1: sha256(\"leaf:\" + canonical({seq, at, type, subject, payload_hash}))", "ledger": "a2ally Ledger — verifier conformance reference chain", "ledger_version": 1, "node_scheme": "a2ally-node-v1: sha256(\"node:\" + left + right); an odd node is carried up unchanged", "payload_scheme": "a2ally-payload-v1: sha256(canonical(payload))", "signature_alg": "Ed25519", "signature_scheme": "Ed25519 over canonical(header), base64", "witnesses": "outside domains cosign block headers with Ed25519 keys published at https:///.well-known/a2ally-witness.pem" }, "payload_hash": "079ab1e49c302260aff30b108438fc0f814077c0bc7b43093a77ee39abc5e891", "seq": 1, "subject": "a2ally-conformance", "texts": {}, "type": "ledger.genesis" } ] }, { "block": { "at": "2026-01-01T00:00:30.000Z", "block_hash": "0f87d82ef4202cab12a291430dc597e43a509e2d08d0d9564148dd89f6247c60", "entry_count": 2, "first_seq": 2, "height": 1, "key_id": "key_conformance_vectors", "last_seq": 3, "merkle_root": "3cd0b2fc536f6452a39fceb8114c9581f5b398abc8d30ea564368f14ef821edd", "prev_hash": "7bb9e3dcb790c1176e3395adaf00ec61931413da573af192abcc750cba2b0673", "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAMr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y=\n-----END PUBLIC KEY-----\n", "signature": "TK3PORDr4lsrVCB9+tTwZXp0FzYJafeI7B5/BT3D8KqktO+UhGZsPr7NQ7rFzjcQS+AgE3lyrb7IN4G6/G6SCw==", "v": 1 }, "entries": [ { "at": "2026-01-01T00:00:10.000Z", "block_height": 1, "data": { "changed": [ "verifier_conformance" ], "rules": 1, "v": 1 }, "leaf_hash": "f127eaace5bcffee12edbacce86a5fc899fffa2bb949d2b5e3f7b5c26066a63e", "payload": { "changed": [ "verifier_conformance" ], "rules": 1, "v": 1 }, "payload_hash": "7c2ce8c44994c899cb5ce0b80ab5155f786be77d3ea0e6fa842760906e4d20cd", "seq": 2, "subject": "a2ally-conformance", "texts": {}, "type": "rules.published" }, { "at": "2026-01-01T00:00:20.000Z", "block_height": 1, "data": { "day": "2025-12-31", "journal_entries": 0, "total": 4, "v": 1 }, "leaf_hash": "baa82a005c84b1d6dbd6be3e2ed81db4fb6875d6cde73b2174a4e2d551e06ce6", "payload": { "day": "2025-12-31", "journal_entries": 0, "total": 4, "v": 1 }, "payload_hash": "ead1ba009bdab9aefaf79c50594821cf518ecb9999b489c1413f0cfd1bc2a148", "seq": 3, "subject": "activity:2025-12-31", "texts": {}, "type": "activity.daily" } ] }, { "block": { "at": "2026-01-01T00:01:00.000Z", "block_hash": "fdf7126ba0faaeb24bc3cfe78d961776b5e95238d16a60d5eda6c5b852b8df3d", "entry_count": 1, "first_seq": 4, "height": 2, "key_id": "key_conformance_vectors", "last_seq": 4, "merkle_root": "8de3be9cea13aba2aa90036d0807ae75025d4eac4f150bbd376370d2421ce27e", "prev_hash": "0f87d82ef4202cab12a291430dc597e43a509e2d08d0d9564148dd89f6247c60", "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAMr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y=\n-----END PUBLIC KEY-----\n", "signature": "sV1HLc3BeaQaHmqZiRDGny89l8wFwBjms7aXE5m6nDTMqRwVYjeaCbE1ntHh22C+EjepjTPGTNukZ2wih6JWCw==", "v": 1 }, "entries": [ { "at": "2026-01-01T00:00:45.000Z", "block_height": 2, "data": { "receipt": "conformance-receipt-1", "v": 1 }, "leaf_hash": "8de3be9cea13aba2aa90036d0807ae75025d4eac4f150bbd376370d2421ce27e", "payload": { "receipt": "conformance-receipt-1", "v": 1 }, "payload_hash": "ed578438e87114833c930f290c4bb6d41abd2d1fd648cc2d9bc0cc715c19ed90", "seq": 4, "subject": "a2ally-conformance", "texts": {}, "type": "receipt.issued" } ] } ], "cutoff": "2026-01-02T00:00:00.000Z", "day": "2026-01-02", "issuer": "a2ally-conformance" } }, "jwks": { "keys": [ { "kty": "OKP", "crv": "Ed25519", "x": "Mr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y", "kid": "key_conformance_vectors", "alg": "EdDSA", "use": "sig", "status": "current" } ] } }, { "id": "merkle-root-wrong", "kind": "a block's Merkle root replaced with a root its entries do not produce", "expect": "fail", "expect_failing_checks": [ "block.merkle_root" ], "snapshot": { "manifest": { "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "day": "2026-01-02", "head_height": 2, "head_hash": "d7c51065b132307a54d2c810e57c1167004df8b98b0398526746d5eca12ee640", "sha256": "0dc4e0dc14f411e2e4951c399b0c7361af933e11d99d7908e50c7d8f047cdd29", "signature": "kYaUxmojKlGO+VB4ZktOqYWdDPtDY5mbQ4issmGVygH7LI7Ei8pCrAlAF5DIIcKJ3xRksPnFv9nRYT/qF/oBAg==", "signed_bytes": "{\"day\":\"2026-01-02\",\"head_hash\":\"d7c51065b132307a54d2c810e57c1167004df8b98b0398526746d5eca12ee640\",\"head_height\":2,\"issuer\":\"a2ally-conformance\",\"key_id\":\"key_conformance_vectors\",\"sha256\":\"0dc4e0dc14f411e2e4951c399b0c7361af933e11d99d7908e50c7d8f047cdd29\"}", "cutoff": "2026-01-02T00:00:00.000Z", "blocks": 3, "truncated": false }, "body": { "blocks": [ { "block": { "at": "2026-01-01T00:00:00.000Z", "block_hash": "7bb9e3dcb790c1176e3395adaf00ec61931413da573af192abcc750cba2b0673", "entry_count": 1, "first_seq": 1, "height": 0, "key_id": "key_conformance_vectors", "last_seq": 1, "merkle_root": "ead737c2c4e8d1c8aae2fc2e04a637aec9682678b7aef6f3cdd2ab09d6489802", "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAMr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y=\n-----END PUBLIC KEY-----\n", "signature": "h1gktpRq4Fiy9+yEBGLAs1yOkDjjWKnLsQm4elMA5mAIDhUFjkHDIS14ChTsw2v0ajuNY55STkGFd49mEWAKCA==", "v": 1 }, "entries": [ { "at": "2026-01-01T00:00:00.000Z", "block_height": 0, "data": { "anchoring": "every block hash is submitted to OpenTimestamps calendars for timestamping in Bitcoin", "block_interval_seconds": 30, "block_max_entries": 256, "block_scheme": "a2ally-block-v1: sha256(\"block:\" + canonical({v, height, prev_hash, merkle_root, first_seq, last_seq, entry_count, at, key_id}))", "canonicalization": "JSON, object keys sorted, no whitespace, UTF-8", "created_at": "2026-01-01T00:00:00.000Z", "genesis_prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "hash_alg": "sha256", "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "leaf_scheme": "a2ally-leaf-v1: sha256(\"leaf:\" + canonical({seq, at, type, subject, payload_hash}))", "ledger": "a2ally Ledger — verifier conformance reference chain", "ledger_version": 1, "node_scheme": "a2ally-node-v1: sha256(\"node:\" + left + right); an odd node is carried up unchanged", "payload_scheme": "a2ally-payload-v1: sha256(canonical(payload))", "signature_alg": "Ed25519", "signature_scheme": "Ed25519 over canonical(header), base64", "witnesses": "outside domains cosign block headers with Ed25519 keys published at https:///.well-known/a2ally-witness.pem" }, "leaf_hash": "ead737c2c4e8d1c8aae2fc2e04a637aec9682678b7aef6f3cdd2ab09d6489802", "payload": { "anchoring": "every block hash is submitted to OpenTimestamps calendars for timestamping in Bitcoin", "block_interval_seconds": 30, "block_max_entries": 256, "block_scheme": "a2ally-block-v1: sha256(\"block:\" + canonical({v, height, prev_hash, merkle_root, first_seq, last_seq, entry_count, at, key_id}))", "canonicalization": "JSON, object keys sorted, no whitespace, UTF-8", "created_at": "2026-01-01T00:00:00.000Z", "genesis_prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "hash_alg": "sha256", "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "leaf_scheme": "a2ally-leaf-v1: sha256(\"leaf:\" + canonical({seq, at, type, subject, payload_hash}))", "ledger": "a2ally Ledger — verifier conformance reference chain", "ledger_version": 1, "node_scheme": "a2ally-node-v1: sha256(\"node:\" + left + right); an odd node is carried up unchanged", "payload_scheme": "a2ally-payload-v1: sha256(canonical(payload))", "signature_alg": "Ed25519", "signature_scheme": "Ed25519 over canonical(header), base64", "witnesses": "outside domains cosign block headers with Ed25519 keys published at https:///.well-known/a2ally-witness.pem" }, "payload_hash": "079ab1e49c302260aff30b108438fc0f814077c0bc7b43093a77ee39abc5e891", "seq": 1, "subject": "a2ally-conformance", "texts": {}, "type": "ledger.genesis" } ] }, { "block": { "at": "2026-01-01T00:00:30.000Z", "block_hash": "d374d0abac8ddbe4f55d1e83b1829ea131747087c067f485b1b56419406e6201", "entry_count": 2, "first_seq": 2, "height": 1, "key_id": "key_conformance_vectors", "last_seq": 3, "merkle_root": "8d0434e8fb7a472a42ea18689d13d8217103339435ccc0434dbad5f4634ff94a", "prev_hash": "7bb9e3dcb790c1176e3395adaf00ec61931413da573af192abcc750cba2b0673", "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAMr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y=\n-----END PUBLIC KEY-----\n", "signature": "uHKLvbg1oh4PWBakbD/5ri5aWdJTAExBA0oZjVzddc9yY9pFX4M2MBCmC7pZ32ODE8jplIF8OrCaQTQeFgTOBg==", "v": 1 }, "entries": [ { "at": "2026-01-01T00:00:10.000Z", "block_height": 1, "data": { "changed": [ "verifier_conformance" ], "rules": 1, "v": 1 }, "leaf_hash": "f127eaace5bcffee12edbacce86a5fc899fffa2bb949d2b5e3f7b5c26066a63e", "payload": { "changed": [ "verifier_conformance" ], "rules": 1, "v": 1 }, "payload_hash": "7c2ce8c44994c899cb5ce0b80ab5155f786be77d3ea0e6fa842760906e4d20cd", "seq": 2, "subject": "a2ally-conformance", "texts": {}, "type": "rules.published" }, { "at": "2026-01-01T00:00:20.000Z", "block_height": 1, "data": { "day": "2025-12-31", "journal_entries": 0, "total": 3, "v": 1 }, "leaf_hash": "baa82a005c84b1d6dbd6be3e2ed81db4fb6875d6cde73b2174a4e2d551e06ce6", "payload": { "day": "2025-12-31", "journal_entries": 0, "total": 3, "v": 1 }, "payload_hash": "ead1ba009bdab9aefaf79c50594821cf518ecb9999b489c1413f0cfd1bc2a148", "seq": 3, "subject": "activity:2025-12-31", "texts": {}, "type": "activity.daily" } ] }, { "block": { "at": "2026-01-01T00:01:00.000Z", "block_hash": "d7c51065b132307a54d2c810e57c1167004df8b98b0398526746d5eca12ee640", "entry_count": 1, "first_seq": 4, "height": 2, "key_id": "key_conformance_vectors", "last_seq": 4, "merkle_root": "8de3be9cea13aba2aa90036d0807ae75025d4eac4f150bbd376370d2421ce27e", "prev_hash": "d374d0abac8ddbe4f55d1e83b1829ea131747087c067f485b1b56419406e6201", "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAMr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y=\n-----END PUBLIC KEY-----\n", "signature": "bb4ucwhtQ5DL/dcPsfh8iianAz28IeUUiCrHqqcnvXb4XXogAOXgi1fL2euluE3my9Q560PVfDFn0n9mJwHZDQ==", "v": 1 }, "entries": [ { "at": "2026-01-01T00:00:45.000Z", "block_height": 2, "data": { "receipt": "conformance-receipt-1", "v": 1 }, "leaf_hash": "8de3be9cea13aba2aa90036d0807ae75025d4eac4f150bbd376370d2421ce27e", "payload": { "receipt": "conformance-receipt-1", "v": 1 }, "payload_hash": "ed578438e87114833c930f290c4bb6d41abd2d1fd648cc2d9bc0cc715c19ed90", "seq": 4, "subject": "a2ally-conformance", "texts": {}, "type": "receipt.issued" } ] } ], "cutoff": "2026-01-02T00:00:00.000Z", "day": "2026-01-02", "issuer": "a2ally-conformance" } }, "jwks": { "keys": [ { "kty": "OKP", "crv": "Ed25519", "x": "Mr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y", "kid": "key_conformance_vectors", "alg": "EdDSA", "use": "sig", "status": "current" } ] } }, { "id": "signature-bad", "kind": "the head block's Ed25519 signature corrupted", "expect": "fail", "expect_failing_checks": [ "block.signature" ], "snapshot": { "manifest": { "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "day": "2026-01-02", "head_height": 2, "head_hash": "fdf7126ba0faaeb24bc3cfe78d961776b5e95238d16a60d5eda6c5b852b8df3d", "sha256": "026f00de3a5e097ed3f3c283ff69c55ebdb683d4f44639dbfce0141900e56112", "signature": "O7/+WORpzcLg8BaGMZbqstQaIe0vrIeetbS82cWNY44S8ElsZYCHGNVb7r5D/76+TAxsc8Q+BZhH+7AA3M8+DQ==", "signed_bytes": "{\"day\":\"2026-01-02\",\"head_hash\":\"fdf7126ba0faaeb24bc3cfe78d961776b5e95238d16a60d5eda6c5b852b8df3d\",\"head_height\":2,\"issuer\":\"a2ally-conformance\",\"key_id\":\"key_conformance_vectors\",\"sha256\":\"026f00de3a5e097ed3f3c283ff69c55ebdb683d4f44639dbfce0141900e56112\"}", "cutoff": "2026-01-02T00:00:00.000Z", "blocks": 3, "truncated": false }, "body": { "blocks": [ { "block": { "at": "2026-01-01T00:00:00.000Z", "block_hash": "7bb9e3dcb790c1176e3395adaf00ec61931413da573af192abcc750cba2b0673", "entry_count": 1, "first_seq": 1, "height": 0, "key_id": "key_conformance_vectors", "last_seq": 1, "merkle_root": "ead737c2c4e8d1c8aae2fc2e04a637aec9682678b7aef6f3cdd2ab09d6489802", "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAMr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y=\n-----END PUBLIC KEY-----\n", "signature": "h1gktpRq4Fiy9+yEBGLAs1yOkDjjWKnLsQm4elMA5mAIDhUFjkHDIS14ChTsw2v0ajuNY55STkGFd49mEWAKCA==", "v": 1 }, "entries": [ { "at": "2026-01-01T00:00:00.000Z", "block_height": 0, "data": { "anchoring": "every block hash is submitted to OpenTimestamps calendars for timestamping in Bitcoin", "block_interval_seconds": 30, "block_max_entries": 256, "block_scheme": "a2ally-block-v1: sha256(\"block:\" + canonical({v, height, prev_hash, merkle_root, first_seq, last_seq, entry_count, at, key_id}))", "canonicalization": "JSON, object keys sorted, no whitespace, UTF-8", "created_at": "2026-01-01T00:00:00.000Z", "genesis_prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "hash_alg": "sha256", "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "leaf_scheme": "a2ally-leaf-v1: sha256(\"leaf:\" + canonical({seq, at, type, subject, payload_hash}))", "ledger": "a2ally Ledger — verifier conformance reference chain", "ledger_version": 1, "node_scheme": "a2ally-node-v1: sha256(\"node:\" + left + right); an odd node is carried up unchanged", "payload_scheme": "a2ally-payload-v1: sha256(canonical(payload))", "signature_alg": "Ed25519", "signature_scheme": "Ed25519 over canonical(header), base64", "witnesses": "outside domains cosign block headers with Ed25519 keys published at https:///.well-known/a2ally-witness.pem" }, "leaf_hash": "ead737c2c4e8d1c8aae2fc2e04a637aec9682678b7aef6f3cdd2ab09d6489802", "payload": { "anchoring": "every block hash is submitted to OpenTimestamps calendars for timestamping in Bitcoin", "block_interval_seconds": 30, "block_max_entries": 256, "block_scheme": "a2ally-block-v1: sha256(\"block:\" + canonical({v, height, prev_hash, merkle_root, first_seq, last_seq, entry_count, at, key_id}))", "canonicalization": "JSON, object keys sorted, no whitespace, UTF-8", "created_at": "2026-01-01T00:00:00.000Z", "genesis_prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "hash_alg": "sha256", "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "leaf_scheme": "a2ally-leaf-v1: sha256(\"leaf:\" + canonical({seq, at, type, subject, payload_hash}))", "ledger": "a2ally Ledger — verifier conformance reference chain", "ledger_version": 1, "node_scheme": "a2ally-node-v1: sha256(\"node:\" + left + right); an odd node is carried up unchanged", "payload_scheme": "a2ally-payload-v1: sha256(canonical(payload))", "signature_alg": "Ed25519", "signature_scheme": "Ed25519 over canonical(header), base64", "witnesses": "outside domains cosign block headers with Ed25519 keys published at https:///.well-known/a2ally-witness.pem" }, "payload_hash": "079ab1e49c302260aff30b108438fc0f814077c0bc7b43093a77ee39abc5e891", "seq": 1, "subject": "a2ally-conformance", "texts": {}, "type": "ledger.genesis" } ] }, { "block": { "at": "2026-01-01T00:00:30.000Z", "block_hash": "0f87d82ef4202cab12a291430dc597e43a509e2d08d0d9564148dd89f6247c60", "entry_count": 2, "first_seq": 2, "height": 1, "key_id": "key_conformance_vectors", "last_seq": 3, "merkle_root": "3cd0b2fc536f6452a39fceb8114c9581f5b398abc8d30ea564368f14ef821edd", "prev_hash": "7bb9e3dcb790c1176e3395adaf00ec61931413da573af192abcc750cba2b0673", "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAMr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y=\n-----END PUBLIC KEY-----\n", "signature": "TK3PORDr4lsrVCB9+tTwZXp0FzYJafeI7B5/BT3D8KqktO+UhGZsPr7NQ7rFzjcQS+AgE3lyrb7IN4G6/G6SCw==", "v": 1 }, "entries": [ { "at": "2026-01-01T00:00:10.000Z", "block_height": 1, "data": { "changed": [ "verifier_conformance" ], "rules": 1, "v": 1 }, "leaf_hash": "f127eaace5bcffee12edbacce86a5fc899fffa2bb949d2b5e3f7b5c26066a63e", "payload": { "changed": [ "verifier_conformance" ], "rules": 1, "v": 1 }, "payload_hash": "7c2ce8c44994c899cb5ce0b80ab5155f786be77d3ea0e6fa842760906e4d20cd", "seq": 2, "subject": "a2ally-conformance", "texts": {}, "type": "rules.published" }, { "at": "2026-01-01T00:00:20.000Z", "block_height": 1, "data": { "day": "2025-12-31", "journal_entries": 0, "total": 3, "v": 1 }, "leaf_hash": "baa82a005c84b1d6dbd6be3e2ed81db4fb6875d6cde73b2174a4e2d551e06ce6", "payload": { "day": "2025-12-31", "journal_entries": 0, "total": 3, "v": 1 }, "payload_hash": "ead1ba009bdab9aefaf79c50594821cf518ecb9999b489c1413f0cfd1bc2a148", "seq": 3, "subject": "activity:2025-12-31", "texts": {}, "type": "activity.daily" } ] }, { "block": { "at": "2026-01-01T00:01:00.000Z", "block_hash": "fdf7126ba0faaeb24bc3cfe78d961776b5e95238d16a60d5eda6c5b852b8df3d", "entry_count": 1, "first_seq": 4, "height": 2, "key_id": "key_conformance_vectors", "last_seq": 4, "merkle_root": "8de3be9cea13aba2aa90036d0807ae75025d4eac4f150bbd376370d2421ce27e", "prev_hash": "0f87d82ef4202cab12a291430dc597e43a509e2d08d0d9564148dd89f6247c60", "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAMr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y=\n-----END PUBLIC KEY-----\n", "signature": "sF1HLc3BeaQaHmqZiRDGny89l8wFwBjms7aXE5m6nDTMqRwVYjeaCbE1ntHh22C+EjepjTPGTNukZ2wih6JWCw==", "v": 1 }, "entries": [ { "at": "2026-01-01T00:00:45.000Z", "block_height": 2, "data": { "receipt": "conformance-receipt-1", "v": 1 }, "leaf_hash": "8de3be9cea13aba2aa90036d0807ae75025d4eac4f150bbd376370d2421ce27e", "payload": { "receipt": "conformance-receipt-1", "v": 1 }, "payload_hash": "ed578438e87114833c930f290c4bb6d41abd2d1fd648cc2d9bc0cc715c19ed90", "seq": 4, "subject": "a2ally-conformance", "texts": {}, "type": "receipt.issued" } ] } ], "cutoff": "2026-01-02T00:00:00.000Z", "day": "2026-01-02", "issuer": "a2ally-conformance" } }, "jwks": { "keys": [ { "kty": "OKP", "crv": "Ed25519", "x": "Mr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y", "kid": "key_conformance_vectors", "alg": "EdDSA", "use": "sig", "status": "current" } ] } }, { "id": "chain-truncated", "kind": "the head block missing from the snapshot body while the manifest still names it", "expect": "fail", "expect_failing_checks": [ "manifest.body_sha256", "snapshot.head" ], "snapshot": { "manifest": { "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "day": "2026-01-02", "head_height": 2, "head_hash": "fdf7126ba0faaeb24bc3cfe78d961776b5e95238d16a60d5eda6c5b852b8df3d", "sha256": "513788f9cdea6c5a7b1e22561dd270d88b43a4baf66873f50b5a16a0cbdb8295", "signature": "+V5jgjwvrlRjyheeM4UxXiD3K+z19+Uiqducld9rRT/DroT3pblTcyoo/TZOuUAADQw5gUeU7ViQI9xJ0+uDCQ==", "signed_bytes": "{\"day\":\"2026-01-02\",\"head_hash\":\"fdf7126ba0faaeb24bc3cfe78d961776b5e95238d16a60d5eda6c5b852b8df3d\",\"head_height\":2,\"issuer\":\"a2ally-conformance\",\"key_id\":\"key_conformance_vectors\",\"sha256\":\"513788f9cdea6c5a7b1e22561dd270d88b43a4baf66873f50b5a16a0cbdb8295\"}", "cutoff": "2026-01-02T00:00:00.000Z", "blocks": 3, "truncated": false }, "body": { "blocks": [ { "block": { "at": "2026-01-01T00:00:00.000Z", "block_hash": "7bb9e3dcb790c1176e3395adaf00ec61931413da573af192abcc750cba2b0673", "entry_count": 1, "first_seq": 1, "height": 0, "key_id": "key_conformance_vectors", "last_seq": 1, "merkle_root": "ead737c2c4e8d1c8aae2fc2e04a637aec9682678b7aef6f3cdd2ab09d6489802", "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAMr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y=\n-----END PUBLIC KEY-----\n", "signature": "h1gktpRq4Fiy9+yEBGLAs1yOkDjjWKnLsQm4elMA5mAIDhUFjkHDIS14ChTsw2v0ajuNY55STkGFd49mEWAKCA==", "v": 1 }, "entries": [ { "at": "2026-01-01T00:00:00.000Z", "block_height": 0, "data": { "anchoring": "every block hash is submitted to OpenTimestamps calendars for timestamping in Bitcoin", "block_interval_seconds": 30, "block_max_entries": 256, "block_scheme": "a2ally-block-v1: sha256(\"block:\" + canonical({v, height, prev_hash, merkle_root, first_seq, last_seq, entry_count, at, key_id}))", "canonicalization": "JSON, object keys sorted, no whitespace, UTF-8", "created_at": "2026-01-01T00:00:00.000Z", "genesis_prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "hash_alg": "sha256", "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "leaf_scheme": "a2ally-leaf-v1: sha256(\"leaf:\" + canonical({seq, at, type, subject, payload_hash}))", "ledger": "a2ally Ledger — verifier conformance reference chain", "ledger_version": 1, "node_scheme": "a2ally-node-v1: sha256(\"node:\" + left + right); an odd node is carried up unchanged", "payload_scheme": "a2ally-payload-v1: sha256(canonical(payload))", "signature_alg": "Ed25519", "signature_scheme": "Ed25519 over canonical(header), base64", "witnesses": "outside domains cosign block headers with Ed25519 keys published at https:///.well-known/a2ally-witness.pem" }, "leaf_hash": "ead737c2c4e8d1c8aae2fc2e04a637aec9682678b7aef6f3cdd2ab09d6489802", "payload": { "anchoring": "every block hash is submitted to OpenTimestamps calendars for timestamping in Bitcoin", "block_interval_seconds": 30, "block_max_entries": 256, "block_scheme": "a2ally-block-v1: sha256(\"block:\" + canonical({v, height, prev_hash, merkle_root, first_seq, last_seq, entry_count, at, key_id}))", "canonicalization": "JSON, object keys sorted, no whitespace, UTF-8", "created_at": "2026-01-01T00:00:00.000Z", "genesis_prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "hash_alg": "sha256", "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "leaf_scheme": "a2ally-leaf-v1: sha256(\"leaf:\" + canonical({seq, at, type, subject, payload_hash}))", "ledger": "a2ally Ledger — verifier conformance reference chain", "ledger_version": 1, "node_scheme": "a2ally-node-v1: sha256(\"node:\" + left + right); an odd node is carried up unchanged", "payload_scheme": "a2ally-payload-v1: sha256(canonical(payload))", "signature_alg": "Ed25519", "signature_scheme": "Ed25519 over canonical(header), base64", "witnesses": "outside domains cosign block headers with Ed25519 keys published at https:///.well-known/a2ally-witness.pem" }, "payload_hash": "079ab1e49c302260aff30b108438fc0f814077c0bc7b43093a77ee39abc5e891", "seq": 1, "subject": "a2ally-conformance", "texts": {}, "type": "ledger.genesis" } ] }, { "block": { "at": "2026-01-01T00:00:30.000Z", "block_hash": "0f87d82ef4202cab12a291430dc597e43a509e2d08d0d9564148dd89f6247c60", "entry_count": 2, "first_seq": 2, "height": 1, "key_id": "key_conformance_vectors", "last_seq": 3, "merkle_root": "3cd0b2fc536f6452a39fceb8114c9581f5b398abc8d30ea564368f14ef821edd", "prev_hash": "7bb9e3dcb790c1176e3395adaf00ec61931413da573af192abcc750cba2b0673", "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAMr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y=\n-----END PUBLIC KEY-----\n", "signature": "TK3PORDr4lsrVCB9+tTwZXp0FzYJafeI7B5/BT3D8KqktO+UhGZsPr7NQ7rFzjcQS+AgE3lyrb7IN4G6/G6SCw==", "v": 1 }, "entries": [ { "at": "2026-01-01T00:00:10.000Z", "block_height": 1, "data": { "changed": [ "verifier_conformance" ], "rules": 1, "v": 1 }, "leaf_hash": "f127eaace5bcffee12edbacce86a5fc899fffa2bb949d2b5e3f7b5c26066a63e", "payload": { "changed": [ "verifier_conformance" ], "rules": 1, "v": 1 }, "payload_hash": "7c2ce8c44994c899cb5ce0b80ab5155f786be77d3ea0e6fa842760906e4d20cd", "seq": 2, "subject": "a2ally-conformance", "texts": {}, "type": "rules.published" }, { "at": "2026-01-01T00:00:20.000Z", "block_height": 1, "data": { "day": "2025-12-31", "journal_entries": 0, "total": 3, "v": 1 }, "leaf_hash": "baa82a005c84b1d6dbd6be3e2ed81db4fb6875d6cde73b2174a4e2d551e06ce6", "payload": { "day": "2025-12-31", "journal_entries": 0, "total": 3, "v": 1 }, "payload_hash": "ead1ba009bdab9aefaf79c50594821cf518ecb9999b489c1413f0cfd1bc2a148", "seq": 3, "subject": "activity:2025-12-31", "texts": {}, "type": "activity.daily" } ] } ], "cutoff": "2026-01-02T00:00:00.000Z", "day": "2026-01-02", "issuer": "a2ally-conformance" } }, "jwks": { "keys": [ { "kty": "OKP", "crv": "Ed25519", "x": "Mr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y", "kid": "key_conformance_vectors", "alg": "EdDSA", "use": "sig", "status": "current" } ] } }, { "id": "manifest-hash-wrong", "kind": "the manifest's body hash replaced; its signed statement still carries the true hash", "expect": "fail", "expect_failing_checks": [ "manifest.body_sha256", "manifest.consistency" ], "snapshot": { "manifest": { "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "day": "2026-01-02", "head_height": 2, "head_hash": "fdf7126ba0faaeb24bc3cfe78d961776b5e95238d16a60d5eda6c5b852b8df3d", "sha256": "3b289d51f876d831646beff95e69f1f30b64afb1fde62ce2920eca295bf69ae1", "signature": "+V5jgjwvrlRjyheeM4UxXiD3K+z19+Uiqducld9rRT/DroT3pblTcyoo/TZOuUAADQw5gUeU7ViQI9xJ0+uDCQ==", "signed_bytes": "{\"day\":\"2026-01-02\",\"head_hash\":\"fdf7126ba0faaeb24bc3cfe78d961776b5e95238d16a60d5eda6c5b852b8df3d\",\"head_height\":2,\"issuer\":\"a2ally-conformance\",\"key_id\":\"key_conformance_vectors\",\"sha256\":\"513788f9cdea6c5a7b1e22561dd270d88b43a4baf66873f50b5a16a0cbdb8295\"}", "cutoff": "2026-01-02T00:00:00.000Z", "blocks": 3, "truncated": false }, "body": { "blocks": [ { "block": { "at": "2026-01-01T00:00:00.000Z", "block_hash": "7bb9e3dcb790c1176e3395adaf00ec61931413da573af192abcc750cba2b0673", "entry_count": 1, "first_seq": 1, "height": 0, "key_id": "key_conformance_vectors", "last_seq": 1, "merkle_root": "ead737c2c4e8d1c8aae2fc2e04a637aec9682678b7aef6f3cdd2ab09d6489802", "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAMr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y=\n-----END PUBLIC KEY-----\n", "signature": "h1gktpRq4Fiy9+yEBGLAs1yOkDjjWKnLsQm4elMA5mAIDhUFjkHDIS14ChTsw2v0ajuNY55STkGFd49mEWAKCA==", "v": 1 }, "entries": [ { "at": "2026-01-01T00:00:00.000Z", "block_height": 0, "data": { "anchoring": "every block hash is submitted to OpenTimestamps calendars for timestamping in Bitcoin", "block_interval_seconds": 30, "block_max_entries": 256, "block_scheme": "a2ally-block-v1: sha256(\"block:\" + canonical({v, height, prev_hash, merkle_root, first_seq, last_seq, entry_count, at, key_id}))", "canonicalization": "JSON, object keys sorted, no whitespace, UTF-8", "created_at": "2026-01-01T00:00:00.000Z", "genesis_prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "hash_alg": "sha256", "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "leaf_scheme": "a2ally-leaf-v1: sha256(\"leaf:\" + canonical({seq, at, type, subject, payload_hash}))", "ledger": "a2ally Ledger — verifier conformance reference chain", "ledger_version": 1, "node_scheme": "a2ally-node-v1: sha256(\"node:\" + left + right); an odd node is carried up unchanged", "payload_scheme": "a2ally-payload-v1: sha256(canonical(payload))", "signature_alg": "Ed25519", "signature_scheme": "Ed25519 over canonical(header), base64", "witnesses": "outside domains cosign block headers with Ed25519 keys published at https:///.well-known/a2ally-witness.pem" }, "leaf_hash": "ead737c2c4e8d1c8aae2fc2e04a637aec9682678b7aef6f3cdd2ab09d6489802", "payload": { "anchoring": "every block hash is submitted to OpenTimestamps calendars for timestamping in Bitcoin", "block_interval_seconds": 30, "block_max_entries": 256, "block_scheme": "a2ally-block-v1: sha256(\"block:\" + canonical({v, height, prev_hash, merkle_root, first_seq, last_seq, entry_count, at, key_id}))", "canonicalization": "JSON, object keys sorted, no whitespace, UTF-8", "created_at": "2026-01-01T00:00:00.000Z", "genesis_prev_hash": "0000000000000000000000000000000000000000000000000000000000000000", "hash_alg": "sha256", "issuer": "a2ally-conformance", "key_id": "key_conformance_vectors", "leaf_scheme": "a2ally-leaf-v1: sha256(\"leaf:\" + canonical({seq, at, type, subject, payload_hash}))", "ledger": "a2ally Ledger — verifier conformance reference chain", "ledger_version": 1, "node_scheme": "a2ally-node-v1: sha256(\"node:\" + left + right); an odd node is carried up unchanged", "payload_scheme": "a2ally-payload-v1: sha256(canonical(payload))", "signature_alg": "Ed25519", "signature_scheme": "Ed25519 over canonical(header), base64", "witnesses": "outside domains cosign block headers with Ed25519 keys published at https:///.well-known/a2ally-witness.pem" }, "payload_hash": "079ab1e49c302260aff30b108438fc0f814077c0bc7b43093a77ee39abc5e891", "seq": 1, "subject": "a2ally-conformance", "texts": {}, "type": "ledger.genesis" } ] }, { "block": { "at": "2026-01-01T00:00:30.000Z", "block_hash": "0f87d82ef4202cab12a291430dc597e43a509e2d08d0d9564148dd89f6247c60", "entry_count": 2, "first_seq": 2, "height": 1, "key_id": "key_conformance_vectors", "last_seq": 3, "merkle_root": "3cd0b2fc536f6452a39fceb8114c9581f5b398abc8d30ea564368f14ef821edd", "prev_hash": "7bb9e3dcb790c1176e3395adaf00ec61931413da573af192abcc750cba2b0673", "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAMr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y=\n-----END PUBLIC KEY-----\n", "signature": "TK3PORDr4lsrVCB9+tTwZXp0FzYJafeI7B5/BT3D8KqktO+UhGZsPr7NQ7rFzjcQS+AgE3lyrb7IN4G6/G6SCw==", "v": 1 }, "entries": [ { "at": "2026-01-01T00:00:10.000Z", "block_height": 1, "data": { "changed": [ "verifier_conformance" ], "rules": 1, "v": 1 }, "leaf_hash": "f127eaace5bcffee12edbacce86a5fc899fffa2bb949d2b5e3f7b5c26066a63e", "payload": { "changed": [ "verifier_conformance" ], "rules": 1, "v": 1 }, "payload_hash": "7c2ce8c44994c899cb5ce0b80ab5155f786be77d3ea0e6fa842760906e4d20cd", "seq": 2, "subject": "a2ally-conformance", "texts": {}, "type": "rules.published" }, { "at": "2026-01-01T00:00:20.000Z", "block_height": 1, "data": { "day": "2025-12-31", "journal_entries": 0, "total": 3, "v": 1 }, "leaf_hash": "baa82a005c84b1d6dbd6be3e2ed81db4fb6875d6cde73b2174a4e2d551e06ce6", "payload": { "day": "2025-12-31", "journal_entries": 0, "total": 3, "v": 1 }, "payload_hash": "ead1ba009bdab9aefaf79c50594821cf518ecb9999b489c1413f0cfd1bc2a148", "seq": 3, "subject": "activity:2025-12-31", "texts": {}, "type": "activity.daily" } ] }, { "block": { "at": "2026-01-01T00:01:00.000Z", "block_hash": "fdf7126ba0faaeb24bc3cfe78d961776b5e95238d16a60d5eda6c5b852b8df3d", "entry_count": 1, "first_seq": 4, "height": 2, "key_id": "key_conformance_vectors", "last_seq": 4, "merkle_root": "8de3be9cea13aba2aa90036d0807ae75025d4eac4f150bbd376370d2421ce27e", "prev_hash": "0f87d82ef4202cab12a291430dc597e43a509e2d08d0d9564148dd89f6247c60", "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAMr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y=\n-----END PUBLIC KEY-----\n", "signature": "sV1HLc3BeaQaHmqZiRDGny89l8wFwBjms7aXE5m6nDTMqRwVYjeaCbE1ntHh22C+EjepjTPGTNukZ2wih6JWCw==", "v": 1 }, "entries": [ { "at": "2026-01-01T00:00:45.000Z", "block_height": 2, "data": { "receipt": "conformance-receipt-1", "v": 1 }, "leaf_hash": "8de3be9cea13aba2aa90036d0807ae75025d4eac4f150bbd376370d2421ce27e", "payload": { "receipt": "conformance-receipt-1", "v": 1 }, "payload_hash": "ed578438e87114833c930f290c4bb6d41abd2d1fd648cc2d9bc0cc715c19ed90", "seq": 4, "subject": "a2ally-conformance", "texts": {}, "type": "receipt.issued" } ] } ], "cutoff": "2026-01-02T00:00:00.000Z", "day": "2026-01-02", "issuer": "a2ally-conformance" } }, "jwks": { "keys": [ { "kty": "OKP", "crv": "Ed25519", "x": "Mr7OMgdcnjjBi626MzWPlouDhN2bRrtU5B1lSvIa35Y", "kid": "key_conformance_vectors", "alg": "EdDSA", "use": "sig", "status": "current" } ] } } ] }