{
 "_doc": "Golden vectors for verify.py --selfcheck. Regenerate: python3 testdata/make_vectors.py attest: source attestations (ailedger-attest-1) signed by oplog_attest.py (cryptography) with a throwaway key, 2026-09-30.",
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      "canon": "ailedger-v1"
     },
     "sig": "ogpV8UHDMW3qa1naMcIfJbDuhk+Hz0S8noIDLYIx85etsz/0nnopP2HnXQVB1YviK4BAp9Rni++cu/ld1/HKBA=="
    },
    {
     "event_id": "00000000-0000-4000-8000-000000000101",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "c6381e03416141c6ac12110bf61a482e5433b3b89228e188b07aaf1d13fe9366",
     "summary": "row 1 (edited)",
     "hash_chain_self": "1bed4bb1e53214bce03852e5d21a110a0dffffaa3fb832e0a7f2ddd143789500",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "hnJJ8GMhMr8qDYmiI7LJ1buYS6GPRD19G0svbe3NlX4LOVl1I2uaQQc0WCkjH1LdOTNgNIxLqDqqAyts+QlhAQ=="
    },
    {
     "event_id": "00000000-0000-4000-8000-000000000102",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "1bed4bb1e53214bce03852e5d21a110a0dffffaa3fb832e0a7f2ddd143789500",
     "summary": "row 2",
     "hash_chain_self": "f50f22b5a8a10303fef1862b3f45aa3560c1264e8ebf8b6523c3fe77858430b5",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "0P1a05R5bzJWJOeJRfb2WsuiY5M8U507A3jS0cvWOxs2pyxZbcvkfh9ripT3i+yYoF0i/s+GO6MXb6HsiHuGDg==",
     "cosig": {
      "principal": "test-desk",
      "key_fingerprint": "39f713d0a644253f",
      "signer_pubkey": "3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c",
      "canon": "ailedger-v1",
      "sig": "O9SFdJIK4ABVIR+ATrLbNM5jy3jQgBq57YRCgWT+XhfJjs2JBCQC0xWmktnnciRshTGFbxBRvh19kHNXvQo0CQ=="
     }
    },
    {
     "event_id": "00000000-0000-4000-8000-000000000103",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "f50f22b5a8a10303fef1862b3f45aa3560c1264e8ebf8b6523c3fe77858430b5",
     "summary": "row 3",
     "hash_chain_self": "77bdd352fcb9afc6e828cd873ad14536b664573fa013c7d22e62c6960c05b5bf",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "uOKlZmu85Lzmcp83nDc974BPkXUkK1V+dvPdh0FK2NS558WvecrOXiR979IBIadfaYSSweUgs5KOZ7ZoYSrFDg=="
    }
   ],
   "trust": {
    "test_node": {
     "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a"
    },
    "principals": {
     "test-desk": {
      "signer_pubkey": "3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c"
     }
    }
   },
   "expect_ok": false,
   "expect_reason": "canonical"
  },
  {
   "name": "row deleted (link broken)",
   "rows": [
    {
     "event_id": "00000000-0000-4000-8000-000000000100",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "0000000000000000000000000000000000000000000000000000000000000000",
     "summary": "row 0",
     "hash_chain_self": "c6381e03416141c6ac12110bf61a482e5433b3b89228e188b07aaf1d13fe9366",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "ogpV8UHDMW3qa1naMcIfJbDuhk+Hz0S8noIDLYIx85etsz/0nnopP2HnXQVB1YviK4BAp9Rni++cu/ld1/HKBA=="
    },
    {
     "event_id": "00000000-0000-4000-8000-000000000102",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "1bed4bb1e53214bce03852e5d21a110a0dffffaa3fb832e0a7f2ddd143789500",
     "summary": "row 2",
     "hash_chain_self": "f50f22b5a8a10303fef1862b3f45aa3560c1264e8ebf8b6523c3fe77858430b5",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "0P1a05R5bzJWJOeJRfb2WsuiY5M8U507A3jS0cvWOxs2pyxZbcvkfh9ripT3i+yYoF0i/s+GO6MXb6HsiHuGDg==",
     "cosig": {
      "principal": "test-desk",
      "key_fingerprint": "39f713d0a644253f",
      "signer_pubkey": "3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c",
      "canon": "ailedger-v1",
      "sig": "O9SFdJIK4ABVIR+ATrLbNM5jy3jQgBq57YRCgWT+XhfJjs2JBCQC0xWmktnnciRshTGFbxBRvh19kHNXvQo0CQ=="
     }
    },
    {
     "event_id": "00000000-0000-4000-8000-000000000103",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "f50f22b5a8a10303fef1862b3f45aa3560c1264e8ebf8b6523c3fe77858430b5",
     "summary": "row 3",
     "hash_chain_self": "77bdd352fcb9afc6e828cd873ad14536b664573fa013c7d22e62c6960c05b5bf",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "uOKlZmu85Lzmcp83nDc974BPkXUkK1V+dvPdh0FK2NS558WvecrOXiR979IBIadfaYSSweUgs5KOZ7ZoYSrFDg=="
    }
   ],
   "trust": {
    "test_node": {
     "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a"
    },
    "principals": {
     "test-desk": {
      "signer_pubkey": "3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c"
     }
    }
   },
   "expect_ok": false,
   "expect_reason": "hash_chain_prev"
  },
  {
   "name": "valid signature by an unpinned key",
   "rows": [
    {
     "event_id": "00000000-0000-4000-8000-000000000100",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "0000000000000000000000000000000000000000000000000000000000000000",
     "summary": "row 0",
     "hash_chain_self": "c6381e03416141c6ac12110bf61a482e5433b3b89228e188b07aaf1d13fe9366",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "ogpV8UHDMW3qa1naMcIfJbDuhk+Hz0S8noIDLYIx85etsz/0nnopP2HnXQVB1YviK4BAp9Rni++cu/ld1/HKBA=="
    },
    {
     "event_id": "00000000-0000-4000-8000-000000000101",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "c6381e03416141c6ac12110bf61a482e5433b3b89228e188b07aaf1d13fe9366",
     "summary": "row 1",
     "hash_chain_self": "1bed4bb1e53214bce03852e5d21a110a0dffffaa3fb832e0a7f2ddd143789500",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "dac073e0123bdea5",
      "signer_pubkey": "fc51cd8e6218a1a38da47ed00230f0580816ed13ba3303ac5deb911548908025",
      "canon": "ailedger-v1"
     },
     "sig": "GcFmi6TVc6ta3NBWFqxDQ3J4e7yJ7+1E3r0skdAP4B13H8WMEw3MXY8eolpaP0owBeTLpnb/MW43nKJY8CdnDA=="
    },
    {
     "event_id": "00000000-0000-4000-8000-000000000102",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "1bed4bb1e53214bce03852e5d21a110a0dffffaa3fb832e0a7f2ddd143789500",
     "summary": "row 2",
     "hash_chain_self": "f50f22b5a8a10303fef1862b3f45aa3560c1264e8ebf8b6523c3fe77858430b5",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "0P1a05R5bzJWJOeJRfb2WsuiY5M8U507A3jS0cvWOxs2pyxZbcvkfh9ripT3i+yYoF0i/s+GO6MXb6HsiHuGDg==",
     "cosig": {
      "principal": "test-desk",
      "key_fingerprint": "39f713d0a644253f",
      "signer_pubkey": "3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c",
      "canon": "ailedger-v1",
      "sig": "O9SFdJIK4ABVIR+ATrLbNM5jy3jQgBq57YRCgWT+XhfJjs2JBCQC0xWmktnnciRshTGFbxBRvh19kHNXvQo0CQ=="
     }
    },
    {
     "event_id": "00000000-0000-4000-8000-000000000103",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "f50f22b5a8a10303fef1862b3f45aa3560c1264e8ebf8b6523c3fe77858430b5",
     "summary": "row 3",
     "hash_chain_self": "77bdd352fcb9afc6e828cd873ad14536b664573fa013c7d22e62c6960c05b5bf",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "uOKlZmu85Lzmcp83nDc974BPkXUkK1V+dvPdh0FK2NS558WvecrOXiR979IBIadfaYSSweUgs5KOZ7ZoYSrFDg=="
    }
   ],
   "trust": {
    "test_node": {
     "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a"
    },
    "principals": {
     "test-desk": {
      "signer_pubkey": "3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c"
     }
    }
   },
   "expect_ok": false,
   "expect_reason": "untrusted"
  },
  {
   "name": "forged node signature",
   "rows": [
    {
     "event_id": "00000000-0000-4000-8000-000000000100",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "0000000000000000000000000000000000000000000000000000000000000000",
     "summary": "row 0",
     "hash_chain_self": "c6381e03416141c6ac12110bf61a482e5433b3b89228e188b07aaf1d13fe9366",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "ogpV8UHDMW3qa1naMcIfJbDuhk+Hz0S8noIDLYIx85etsz/0nnopP2HnXQVB1YviK4BAp9Rni++cu/ld1/HKBA=="
    },
    {
     "event_id": "00000000-0000-4000-8000-000000000101",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "c6381e03416141c6ac12110bf61a482e5433b3b89228e188b07aaf1d13fe9366",
     "summary": "row 1",
     "hash_chain_self": "1bed4bb1e53214bce03852e5d21a110a0dffffaa3fb832e0a7f2ddd143789500",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "hnJJ8GMhMr8qDYmiI7LJ1buYS6GPRD19G0svbe3NlX4LOVl1I2uaQQc0WCkjH1LdOTNgNIxLqDqqAyts+QlhAQ=="
    },
    {
     "event_id": "00000000-0000-4000-8000-000000000102",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "1bed4bb1e53214bce03852e5d21a110a0dffffaa3fb832e0a7f2ddd143789500",
     "summary": "row 2",
     "hash_chain_self": "f50f22b5a8a10303fef1862b3f45aa3560c1264e8ebf8b6523c3fe77858430b5",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "0P1a05R5bzJWJOeJRfb2WsuiY5M8U507A3jS0cvWOxs2pyxZbcvkfh9ripT3i+yYoF0i/s+GO6MXb6HsiHuGDg==",
     "cosig": {
      "principal": "test-desk",
      "key_fingerprint": "39f713d0a644253f",
      "signer_pubkey": "3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c",
      "canon": "ailedger-v1",
      "sig": "O9SFdJIK4ABVIR+ATrLbNM5jy3jQgBq57YRCgWT+XhfJjs2JBCQC0xWmktnnciRshTGFbxBRvh19kHNXvQo0CQ=="
     }
    },
    {
     "event_id": "00000000-0000-4000-8000-000000000103",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "f50f22b5a8a10303fef1862b3f45aa3560c1264e8ebf8b6523c3fe77858430b5",
     "summary": "row 3",
     "hash_chain_self": "77bdd352fcb9afc6e828cd873ad14536b664573fa013c7d22e62c6960c05b5bf",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=="
    }
   ],
   "trust": {
    "test_node": {
     "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a"
    },
    "principals": {
     "test-desk": {
      "signer_pubkey": "3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c"
     }
    }
   },
   "expect_ok": false,
   "expect_reason": "node signature bad"
  },
  {
   "name": "cosignature over another message",
   "rows": [
    {
     "event_id": "00000000-0000-4000-8000-000000000100",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "0000000000000000000000000000000000000000000000000000000000000000",
     "summary": "row 0",
     "hash_chain_self": "c6381e03416141c6ac12110bf61a482e5433b3b89228e188b07aaf1d13fe9366",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "ogpV8UHDMW3qa1naMcIfJbDuhk+Hz0S8noIDLYIx85etsz/0nnopP2HnXQVB1YviK4BAp9Rni++cu/ld1/HKBA=="
    },
    {
     "event_id": "00000000-0000-4000-8000-000000000101",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "c6381e03416141c6ac12110bf61a482e5433b3b89228e188b07aaf1d13fe9366",
     "summary": "row 1",
     "hash_chain_self": "1bed4bb1e53214bce03852e5d21a110a0dffffaa3fb832e0a7f2ddd143789500",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "hnJJ8GMhMr8qDYmiI7LJ1buYS6GPRD19G0svbe3NlX4LOVl1I2uaQQc0WCkjH1LdOTNgNIxLqDqqAyts+QlhAQ=="
    },
    {
     "event_id": "00000000-0000-4000-8000-000000000102",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "1bed4bb1e53214bce03852e5d21a110a0dffffaa3fb832e0a7f2ddd143789500",
     "summary": "row 2",
     "hash_chain_self": "f50f22b5a8a10303fef1862b3f45aa3560c1264e8ebf8b6523c3fe77858430b5",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "0P1a05R5bzJWJOeJRfb2WsuiY5M8U507A3jS0cvWOxs2pyxZbcvkfh9ripT3i+yYoF0i/s+GO6MXb6HsiHuGDg==",
     "cosig": {
      "principal": "test-desk",
      "key_fingerprint": "39f713d0a644253f",
      "signer_pubkey": "3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c",
      "canon": "ailedger-v1",
      "sig": "9eqG9AmfoX9FJ3/8OnZ49MrHCBZmXv8nzS+FTwOXfv857IeNH4fQe2Pk0Y6EO0VvGNp/vMrHcVOOcukqDeptAQ=="
     }
    },
    {
     "event_id": "00000000-0000-4000-8000-000000000103",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "f50f22b5a8a10303fef1862b3f45aa3560c1264e8ebf8b6523c3fe77858430b5",
     "summary": "row 3",
     "hash_chain_self": "77bdd352fcb9afc6e828cd873ad14536b664573fa013c7d22e62c6960c05b5bf",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "uOKlZmu85Lzmcp83nDc974BPkXUkK1V+dvPdh0FK2NS558WvecrOXiR979IBIadfaYSSweUgs5KOZ7ZoYSrFDg=="
    }
   ],
   "trust": {
    "test_node": {
     "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a"
    },
    "principals": {
     "test-desk": {
      "signer_pubkey": "3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c"
     }
    }
   },
   "expect_ok": false,
   "expect_reason": "cosignature bad"
  },
  {
   "name": "checkpoint with a wrong root",
   "rows": [
    {
     "event_id": "00000000-0000-4000-8000-000000000100",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "0000000000000000000000000000000000000000000000000000000000000000",
     "summary": "row 0",
     "hash_chain_self": "c6381e03416141c6ac12110bf61a482e5433b3b89228e188b07aaf1d13fe9366",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "ogpV8UHDMW3qa1naMcIfJbDuhk+Hz0S8noIDLYIx85etsz/0nnopP2HnXQVB1YviK4BAp9Rni++cu/ld1/HKBA=="
    },
    {
     "event_id": "00000000-0000-4000-8000-000000000101",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "c6381e03416141c6ac12110bf61a482e5433b3b89228e188b07aaf1d13fe9366",
     "summary": "row 1",
     "hash_chain_self": "1bed4bb1e53214bce03852e5d21a110a0dffffaa3fb832e0a7f2ddd143789500",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "hnJJ8GMhMr8qDYmiI7LJ1buYS6GPRD19G0svbe3NlX4LOVl1I2uaQQc0WCkjH1LdOTNgNIxLqDqqAyts+QlhAQ=="
    },
    {
     "event_id": "00000000-0000-4000-8000-000000000102",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "1bed4bb1e53214bce03852e5d21a110a0dffffaa3fb832e0a7f2ddd143789500",
     "summary": "row 2",
     "hash_chain_self": "f50f22b5a8a10303fef1862b3f45aa3560c1264e8ebf8b6523c3fe77858430b5",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "0P1a05R5bzJWJOeJRfb2WsuiY5M8U507A3jS0cvWOxs2pyxZbcvkfh9ripT3i+yYoF0i/s+GO6MXb6HsiHuGDg==",
     "cosig": {
      "principal": "test-desk",
      "key_fingerprint": "39f713d0a644253f",
      "signer_pubkey": "3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c",
      "canon": "ailedger-v1",
      "sig": "O9SFdJIK4ABVIR+ATrLbNM5jy3jQgBq57YRCgWT+XhfJjs2JBCQC0xWmktnnciRshTGFbxBRvh19kHNXvQo0CQ=="
     }
    },
    {
     "event_id": "00000000-0000-4000-8000-000000000103",
     "timestamp": "2026-09-30T12:00:00.000000Z",
     "tenant_id": "ailedger",
     "system_id": "lannes",
     "canon_v": "1",
     "hash_chain_prev": "f50f22b5a8a10303fef1862b3f45aa3560c1264e8ebf8b6523c3fe77858430b5",
     "summary": "row 3",
     "hash_chain_self": "77bdd352fcb9afc6e828cd873ad14536b664573fa013c7d22e62c6960c05b5bf",
     "signer": {
      "node_id": "test_node",
      "source_did": "did:lattice:node:test_node",
      "key_fingerprint": "21fe31dfa154a261",
      "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
      "canon": "ailedger-v1"
     },
     "sig": "uOKlZmu85Lzmcp83nDc974BPkXUkK1V+dvPdh0FK2NS558WvecrOXiR979IBIadfaYSSweUgs5KOZ7ZoYSrFDg=="
    }
   ],
   "trust": {
    "test_node": {
     "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a"
    },
    "principals": {
     "test-desk": {
      "signer_pubkey": "3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c"
     }
    }
   },
   "expect_ok": true,
   "checkpoint": {
    "v": "ailedger-sth-1",
    "tenant_id": "ailedger",
    "tree_size": 4,
    "root_hash": "0000000000000000000000000000000000000000000000000000000000000000",
    "chain_head_hash": "77bdd352fcb9afc6e828cd873ad14536b664573fa013c7d22e62c6960c05b5bf",
    "last_event_id": "00000000-0000-4000-8000-000000000103",
    "timestamp": "2026-09-30T12:00:00Z",
    "prev": null,
    "signer": {
     "node_id": "test_node",
     "source_did": "did:lattice:node:test_node",
     "key_fingerprint": "21fe31dfa154a261",
     "signer_pubkey": "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
     "canon": "ailedger-sth-1"
    },
    "sig": "oSfIOUuUbpovORU+mx2aqPDXXUsgjU8NdBFc4ayE0b87PqfhBUZUNJStTypeXADQmJKtWB7H7f9T+T5KC2DnCg=="
   },
   "checkpoint_ok": false
  }
 ],
 "live_rows": [
  {
   "name": "shared tier ad1cd6cf-91bf-4fe2-8762-01b09223ec70 (anchor)",
   "row": {
    "event_id": "ad1cd6cf-91bf-4fe2-8762-01b09223ec70",
    "timestamp": "2026-09-30T22:18:03.025172Z",
    "tenant_id": "ailedger",
    "system_id": "system",
    "actor": "system",
    "source": "countersign",
    "decision_type": "anchor",
    "summary": "signed anchor: commits to chain head 0c777c85b2992c154b838ab9966f7b676d949c4ae3ca9211b8f22225260630ff (48 rows, genesis → d860c2cb-6a4d-4e81-80b4-b7b92b93af14); every row before signing (2026-09-30) is covered by this one node-key signature",
    "refs": [],
    "outcome": "done",
    "evidence": "chain_head 0c777c85b2992c154b838ab9966f7b676d949c4ae3ca9211b8f22225260630ff",
    "cost_usd": null,
    "latency_s": null,
    "model_version": null,
    "inputs_hash": null,
    "human_in_loop": false,
    "flags_raised": [],
    "anchor_event_id": "d860c2cb-6a4d-4e81-80b4-b7b92b93af14",
    "tier": "shared",
    "topic": "ai-ledger",
    "caused_by": [],
    "dedup_key": null,
    "canon_v": "1",
    "hash_chain_prev": "0c777c85b2992c154b838ab9966f7b676d949c4ae3ca9211b8f22225260630ff",
    "hash_chain_self": "eb5e86fc9e320f1e582fc33fc6b8726c49eaad9b73f962d9bbfe9360bbffdea7",
    "signer": {
     "node_id": "jake_forge_l1",
     "source_did": "did:lattice:node:jake_forge_l1",
     "key_fingerprint": "ed4731d614925428",
     "signer_pubkey": "4fae37fb85ea405d2b5c6475bd5d859e64f4af75388977191c89703c4ce7aacc",
     "canon": "ailedger-v1"
    },
    "sig": "1i4QxUEiDZ0KP59Fi/0xDo5Z09gcVUXqfnWfmPi3rnCiN4Cfs5hpE9TQoH6P8grNUigaPTBNCZffNG8azh3gCw=="
   }
  }
 ],
 "live_trust": {
  "jake_forge_l1": {
   "signer_pubkey": "4fae37fb85ea405d2b5c6475bd5d859e64f4af75388977191c89703c4ce7aacc",
   "key_fingerprint": "ed4731d614925428",
   "pinned": "2026-09-30",
   "source": "bridge ledger jake_forge_l1 TASK_* payload.signer_pubkey (50 events, sig-OK)"
  }
 },
 "attest": [
  {
   "name": "attested_ok",
   "row": {
    "event_id": "0b6f6a39-5d0b-4d8e-9d49-7c1d1a2f0a11",
    "actor": "lannes-terminal",
    "source": "terminal",
    "decision_type": "build",
    "summary": "Built x | with a pipe, ünïcode and \"quotes\"",
    "topic": "ai-ledger",
    "hash_chain_self": "0000000000000000000000000000000000000000000000000000000000000000",
    "attest": {
     "node_id": "jake_lemur_l1",
     "source_did": "did:lattice:node:jake_lemur_l1",
     "key_fingerprint": "981fdfca0c63e95c",
     "signer_pubkey": "9203634691cb1f133270943b7545ba53e54ed44e19c23986016819ac80bf4118",
     "canon": "ailedger-attest-1",
     "at": "2026-09-30T23:12:36.580217Z",
     "sig": "UtXt3D7mlh0elDjBJNTsKlv1PRS7eJFZFFxbKLR8bAM+XaNY0Wik1mkqNcKgkB2RNy9XxMG3xJdHuQuLq1hnDg=="
    }
   },
   "trust": {
    "attesters": {
     "jake_lemur_l1": {
      "signer_pubkey": "9203634691cb1f133270943b7545ba53e54ed44e19c23986016819ac80bf4118"
     }
    }
   },
   "expect": "ok"
  },
  {
   "name": "edited_summary",
   "row": {
    "event_id": "0b6f6a39-5d0b-4d8e-9d49-7c1d1a2f0a11",
    "actor": "lannes-terminal",
    "source": "terminal",
    "decision_type": "build",
    "summary": "Built x | with a pipe, ünïcode and \"quotes\"!",
    "topic": "ai-ledger",
    "hash_chain_self": "0000000000000000000000000000000000000000000000000000000000000000",
    "attest": {
     "node_id": "jake_lemur_l1",
     "source_did": "did:lattice:node:jake_lemur_l1",
     "key_fingerprint": "981fdfca0c63e95c",
     "signer_pubkey": "9203634691cb1f133270943b7545ba53e54ed44e19c23986016819ac80bf4118",
     "canon": "ailedger-attest-1",
     "at": "2026-09-30T23:12:36.580217Z",
     "sig": "UtXt3D7mlh0elDjBJNTsKlv1PRS7eJFZFFxbKLR8bAM+XaNY0Wik1mkqNcKgkB2RNy9XxMG3xJdHuQuLq1hnDg=="
    }
   },
   "trust": {
    "attesters": {
     "jake_lemur_l1": {
      "signer_pubkey": "9203634691cb1f133270943b7545ba53e54ed44e19c23986016819ac80bf4118"
     }
    }
   },
   "expect": "bad"
  },
  {
   "name": "moved_to_other_row",
   "row": {
    "event_id": "moved",
    "actor": "lannes-terminal",
    "source": "terminal",
    "decision_type": "build",
    "summary": "Built x | with a pipe, ünïcode and \"quotes\"",
    "topic": "ai-ledger",
    "hash_chain_self": "0000000000000000000000000000000000000000000000000000000000000000",
    "attest": {
     "node_id": "jake_lemur_l1",
     "source_did": "did:lattice:node:jake_lemur_l1",
     "key_fingerprint": "981fdfca0c63e95c",
     "signer_pubkey": "9203634691cb1f133270943b7545ba53e54ed44e19c23986016819ac80bf4118",
     "canon": "ailedger-attest-1",
     "at": "2026-09-30T23:12:36.580217Z",
     "sig": "UtXt3D7mlh0elDjBJNTsKlv1PRS7eJFZFFxbKLR8bAM+XaNY0Wik1mkqNcKgkB2RNy9XxMG3xJdHuQuLq1hnDg=="
    }
   },
   "trust": {
    "attesters": {
     "jake_lemur_l1": {
      "signer_pubkey": "9203634691cb1f133270943b7545ba53e54ed44e19c23986016819ac80bf4118"
     }
    }
   },
   "expect": "bad"
  },
  {
   "name": "dropped_topic",
   "row": {
    "event_id": "0b6f6a39-5d0b-4d8e-9d49-7c1d1a2f0a11",
    "actor": "lannes-terminal",
    "source": "terminal",
    "decision_type": "build",
    "summary": "Built x | with a pipe, ünïcode and \"quotes\"",
    "topic": null,
    "hash_chain_self": "0000000000000000000000000000000000000000000000000000000000000000",
    "attest": {
     "node_id": "jake_lemur_l1",
     "source_did": "did:lattice:node:jake_lemur_l1",
     "key_fingerprint": "981fdfca0c63e95c",
     "signer_pubkey": "9203634691cb1f133270943b7545ba53e54ed44e19c23986016819ac80bf4118",
     "canon": "ailedger-attest-1",
     "at": "2026-09-30T23:12:36.580217Z",
     "sig": "UtXt3D7mlh0elDjBJNTsKlv1PRS7eJFZFFxbKLR8bAM+XaNY0Wik1mkqNcKgkB2RNy9XxMG3xJdHuQuLq1hnDg=="
    }
   },
   "trust": {
    "attesters": {
     "jake_lemur_l1": {
      "signer_pubkey": "9203634691cb1f133270943b7545ba53e54ed44e19c23986016819ac80bf4118"
     }
    }
   },
   "expect": "bad"
  },
  {
   "name": "unpinned_attester",
   "row": {
    "event_id": "0b6f6a39-5d0b-4d8e-9d49-7c1d1a2f0a11",
    "actor": "lannes-terminal",
    "source": "terminal",
    "decision_type": "build",
    "summary": "Built x | with a pipe, ünïcode and \"quotes\"",
    "topic": "ai-ledger",
    "hash_chain_self": "0000000000000000000000000000000000000000000000000000000000000000",
    "attest": {
     "node_id": "jake_lemur_l1",
     "source_did": "did:lattice:node:jake_lemur_l1",
     "key_fingerprint": "981fdfca0c63e95c",
     "signer_pubkey": "9203634691cb1f133270943b7545ba53e54ed44e19c23986016819ac80bf4118",
     "canon": "ailedger-attest-1",
     "at": "2026-09-30T23:12:36.580217Z",
     "sig": "UtXt3D7mlh0elDjBJNTsKlv1PRS7eJFZFFxbKLR8bAM+XaNY0Wik1mkqNcKgkB2RNy9XxMG3xJdHuQuLq1hnDg=="
    }
   },
   "trust": {
    "attesters": {}
   },
   "expect": "untrusted"
  },
  {
   "name": "node_pin_is_not_attester_pin",
   "row": {
    "event_id": "0b6f6a39-5d0b-4d8e-9d49-7c1d1a2f0a11",
    "actor": "lannes-terminal",
    "source": "terminal",
    "decision_type": "build",
    "summary": "Built x | with a pipe, ünïcode and \"quotes\"",
    "topic": "ai-ledger",
    "hash_chain_self": "0000000000000000000000000000000000000000000000000000000000000000",
    "attest": {
     "node_id": "jake_lemur_l1",
     "source_did": "did:lattice:node:jake_lemur_l1",
     "key_fingerprint": "981fdfca0c63e95c",
     "signer_pubkey": "9203634691cb1f133270943b7545ba53e54ed44e19c23986016819ac80bf4118",
     "canon": "ailedger-attest-1",
     "at": "2026-09-30T23:12:36.580217Z",
     "sig": "UtXt3D7mlh0elDjBJNTsKlv1PRS7eJFZFFxbKLR8bAM+XaNY0Wik1mkqNcKgkB2RNy9XxMG3xJdHuQuLq1hnDg=="
    }
   },
   "trust": {
    "jake_lemur_l1": {
     "signer_pubkey": "9203634691cb1f133270943b7545ba53e54ed44e19c23986016819ac80bf4118"
    }
   },
   "expect": "untrusted"
  }
 ]
}