{
  "ledger": "IronBridge LAW-25 hash-chain",
  "spec": "append-only sha256 hash-chain; chainlink_row = sha256(canonical(row)); chainlink_prev = prior row chainlink_row",
  "chain_length": 12310,
  "head": {
    "seq": 12310,
    "ts": "2026-09-12T02:59:03.747Z",
    "status": "applied",
    "chainlink_prev": "d429a1dc150ef63e1e2812232c6d9ed65fd16cd6a59b969b60cd839bdea34ca7",
    "chainlink_row": "7e49e22e07111f8dcb46309089bc2ef16ab862c18dd9669df407ba60d326d41e"
  },
  "window": {
    "from": 12261,
    "to": 12310,
    "checked": 50,
    "continuity_ok": true,
    "breaks": []
  },
  "rows": [
    {
      "seq": 12261,
      "ts": "2026-09-11T14:44:05.382Z",
      "status": "applied",
      "chainlink_prev": "0d2685f77daf9ff563dede610cafea939c9697f560e9c0f1b0731beedc25a9e2",
      "chainlink_row": "12604bf5cb751625258591d5ab9e606a39838c6be510980ab686e341a6e454f1"
    },
    {
      "seq": 12262,
      "ts": "2026-09-11T14:59:04.905Z",
      "status": "applied",
      "chainlink_prev": "12604bf5cb751625258591d5ab9e606a39838c6be510980ab686e341a6e454f1",
      "chainlink_row": "7e7d83fd02f02c18659926ba0d7d728361010c2cd500dbc83a9fced3d6fe9c30"
    },
    {
      "seq": 12263,
      "ts": "2026-09-11T15:14:03.501Z",
      "status": "applied",
      "chainlink_prev": "7e7d83fd02f02c18659926ba0d7d728361010c2cd500dbc83a9fced3d6fe9c30",
      "chainlink_row": "a8f2f0540df64ae59964a3962c3e782c9bba17089545b60ee7eef040e30240c1"
    },
    {
      "seq": 12264,
      "ts": "2026-09-11T15:29:03.469Z",
      "status": "applied",
      "chainlink_prev": "a8f2f0540df64ae59964a3962c3e782c9bba17089545b60ee7eef040e30240c1",
      "chainlink_row": "6ca18d4db5f78812b2ed3faa249a4a9c1fdeac5d16fd73f5b77c5f7cc51617ad"
    },
    {
      "seq": 12265,
      "ts": "2026-09-11T15:44:04.929Z",
      "status": "applied",
      "chainlink_prev": "6ca18d4db5f78812b2ed3faa249a4a9c1fdeac5d16fd73f5b77c5f7cc51617ad",
      "chainlink_row": "892e5f2b40e1bbba80649f46377d271a0255a3426682beb8dc49bd848b2082b7"
    },
    {
      "seq": 12266,
      "ts": "2026-09-11T15:59:04.744Z",
      "status": "applied",
      "chainlink_prev": "892e5f2b40e1bbba80649f46377d271a0255a3426682beb8dc49bd848b2082b7",
      "chainlink_row": "c483a9dd9780d64d7d50f8886364c113de8cdb0920bb8730d6ef994915599041"
    },
    {
      "seq": 12267,
      "ts": "2026-09-11T16:14:04.574Z",
      "status": "applied",
      "chainlink_prev": "c483a9dd9780d64d7d50f8886364c113de8cdb0920bb8730d6ef994915599041",
      "chainlink_row": "6d6092819451c88743657609f7d9d8f7a0023d59f40ed0c37853e7bc019d05da"
    },
    {
      "seq": 12268,
      "ts": "2026-09-11T16:29:04.155Z",
      "status": "applied",
      "chainlink_prev": "6d6092819451c88743657609f7d9d8f7a0023d59f40ed0c37853e7bc019d05da",
      "chainlink_row": "babe86d6fb180a3472c3725d2ae25b22edf26c1cc4c06445845b76222dc10d5b"
    },
    {
      "seq": 12269,
      "ts": "2026-09-11T16:44:05.193Z",
      "status": "applied",
      "chainlink_prev": "babe86d6fb180a3472c3725d2ae25b22edf26c1cc4c06445845b76222dc10d5b",
      "chainlink_row": "aaf9256ff232f53894a2e61ddcfc49dab1e3696516d3b897275646943b555645"
    },
    {
      "seq": 12270,
      "ts": "2026-09-11T16:59:03.572Z",
      "status": "applied",
      "chainlink_prev": "aaf9256ff232f53894a2e61ddcfc49dab1e3696516d3b897275646943b555645",
      "chainlink_row": "88ad573f88177b982dabab15c3ccabdbfe34870d0fc006db778492c674781392"
    },
    {
      "seq": 12271,
      "ts": "2026-09-11T17:14:03.379Z",
      "status": "applied",
      "chainlink_prev": "88ad573f88177b982dabab15c3ccabdbfe34870d0fc006db778492c674781392",
      "chainlink_row": "1740ef0d2d6efadd09c82cd752becff984a95549f4157b0fdf09ec3c0301e4b6"
    },
    {
      "seq": 12272,
      "ts": "2026-09-11T17:29:04.246Z",
      "status": "applied",
      "chainlink_prev": "1740ef0d2d6efadd09c82cd752becff984a95549f4157b0fdf09ec3c0301e4b6",
      "chainlink_row": "176f2a57cfa1d64c27f23f97ac74531b3e3f6cf3e2a85efeff3237125bcc09a5"
    },
    {
      "seq": 12273,
      "ts": "2026-09-11T17:44:05.190Z",
      "status": "applied",
      "chainlink_prev": "176f2a57cfa1d64c27f23f97ac74531b3e3f6cf3e2a85efeff3237125bcc09a5",
      "chainlink_row": "6934c724f10677b7158ea65aac9c475fa8311f9fa67f80cc12de3f16b5e4a9e9"
    },
    {
      "seq": 12274,
      "ts": "2026-09-11T17:59:04.649Z",
      "status": "applied",
      "chainlink_prev": "6934c724f10677b7158ea65aac9c475fa8311f9fa67f80cc12de3f16b5e4a9e9",
      "chainlink_row": "f86ad0fe4b853a2fcb4e0265d186cf2889cad3137e0a5e513a7ae56b4f65beef"
    },
    {
      "seq": 12275,
      "ts": "2026-09-11T18:14:04.068Z",
      "status": "applied",
      "chainlink_prev": "f86ad0fe4b853a2fcb4e0265d186cf2889cad3137e0a5e513a7ae56b4f65beef",
      "chainlink_row": "df73c1c8a884ff8db78a4fed67ba58585a4877ef6339167a8708ce7f6e930c59"
    },
    {
      "seq": 12276,
      "ts": "2026-09-11T18:29:04.013Z",
      "status": "applied",
      "chainlink_prev": "df73c1c8a884ff8db78a4fed67ba58585a4877ef6339167a8708ce7f6e930c59",
      "chainlink_row": "36b0aa5fcf37296f5931f240a873730282f2d2cedbcb087ff396f6505012eced"
    },
    {
      "seq": 12277,
      "ts": "2026-09-11T18:44:04.729Z",
      "status": "applied",
      "chainlink_prev": "36b0aa5fcf37296f5931f240a873730282f2d2cedbcb087ff396f6505012eced",
      "chainlink_row": "f05fde51cf7ba5792faa184488aebec4e178ced88f1eb7029f47f391fe9849c4"
    },
    {
      "seq": 12278,
      "ts": "2026-09-11T18:59:04.273Z",
      "status": "applied",
      "chainlink_prev": "f05fde51cf7ba5792faa184488aebec4e178ced88f1eb7029f47f391fe9849c4",
      "chainlink_row": "046bf114ee8d71752f2928c913aab18ed4c1f10241f82ab79b28ce00fb5bd4c9"
    },
    {
      "seq": 12279,
      "ts": "2026-09-11T19:14:03.929Z",
      "status": "applied",
      "chainlink_prev": "046bf114ee8d71752f2928c913aab18ed4c1f10241f82ab79b28ce00fb5bd4c9",
      "chainlink_row": "4fd0d45662691ab4e156a8d3b966f543170b074f9b43a94f8400d2a290d9a147"
    },
    {
      "seq": 12280,
      "ts": "2026-09-11T19:29:04.617Z",
      "status": "applied",
      "chainlink_prev": "4fd0d45662691ab4e156a8d3b966f543170b074f9b43a94f8400d2a290d9a147",
      "chainlink_row": "ef56d54a28516db3adecbb233ca302f4e4681efa545ac3f41a64ef8d01837d3b"
    },
    {
      "seq": 12281,
      "ts": "2026-09-11T19:44:05.130Z",
      "status": "applied",
      "chainlink_prev": "ef56d54a28516db3adecbb233ca302f4e4681efa545ac3f41a64ef8d01837d3b",
      "chainlink_row": "7994490449d43112d8af03b9123b61100595e8aea2f6348189a5946bca541e32"
    },
    {
      "seq": 12282,
      "ts": "2026-09-11T19:59:04.171Z",
      "status": "applied",
      "chainlink_prev": "7994490449d43112d8af03b9123b61100595e8aea2f6348189a5946bca541e32",
      "chainlink_row": "e6e25da4b9f0bfbab354df792980443d82f52c2b2c790c5163dcbf7429117a85"
    },
    {
      "seq": 12283,
      "ts": "2026-09-11T20:14:03.774Z",
      "status": "applied",
      "chainlink_prev": "e6e25da4b9f0bfbab354df792980443d82f52c2b2c790c5163dcbf7429117a85",
      "chainlink_row": "c03257c8d275c0c8cee3f901dbeaaaeebeb8f053aa3be860e7ba7a4241a5cd86"
    },
    {
      "seq": 12284,
      "ts": "2026-09-11T20:29:04.596Z",
      "status": "applied",
      "chainlink_prev": "c03257c8d275c0c8cee3f901dbeaaaeebeb8f053aa3be860e7ba7a4241a5cd86",
      "chainlink_row": "37d59e4208d86805127cff2a021ec8d164d3d1526410b5724c11476dc27c185d"
    },
    {
      "seq": 12285,
      "ts": "2026-09-11T20:44:04.767Z",
      "status": "applied",
      "chainlink_prev": "37d59e4208d86805127cff2a021ec8d164d3d1526410b5724c11476dc27c185d",
      "chainlink_row": "65496d78a7e6062f18cf80bace8b0207a2897f0170a9d915c5cd6afc6e1e7625"
    },
    {
      "seq": 12286,
      "ts": "2026-09-11T20:59:04.933Z",
      "status": "applied",
      "chainlink_prev": "65496d78a7e6062f18cf80bace8b0207a2897f0170a9d915c5cd6afc6e1e7625",
      "chainlink_row": "08471a575cdb7c891c38d2249ccf776c27cfeb184f0e367027665d23324b5169"
    },
    {
      "seq": 12287,
      "ts": "2026-09-11T21:14:03.198Z",
      "status": "applied",
      "chainlink_prev": "08471a575cdb7c891c38d2249ccf776c27cfeb184f0e367027665d23324b5169",
      "chainlink_row": "f9a31cd93050b8f9277f62ca03d321ecd04a9df6e6dea1a3f23b2396b1f52382"
    },
    {
      "seq": 12288,
      "ts": "2026-09-11T21:29:04.435Z",
      "status": "applied",
      "chainlink_prev": "f9a31cd93050b8f9277f62ca03d321ecd04a9df6e6dea1a3f23b2396b1f52382",
      "chainlink_row": "2b25259c9319ffb4d14a204164856cdfdacd6a68a3b9fd847c4e81a100c7f400"
    },
    {
      "seq": 12289,
      "ts": "2026-09-11T21:44:04.365Z",
      "status": "applied",
      "chainlink_prev": "2b25259c9319ffb4d14a204164856cdfdacd6a68a3b9fd847c4e81a100c7f400",
      "chainlink_row": "ac6cc94f2a8ceaa354cead3972044c392657946c9e1be82b7eeba2cfb87bb7ef"
    },
    {
      "seq": 12290,
      "ts": "2026-09-11T21:59:05.110Z",
      "status": "applied",
      "chainlink_prev": "ac6cc94f2a8ceaa354cead3972044c392657946c9e1be82b7eeba2cfb87bb7ef",
      "chainlink_row": "bc5434ac791bcd208c3522a036564e60f187fcd1e540923e4877c0c663dd6720"
    },
    {
      "seq": 12291,
      "ts": "2026-09-11T22:14:04.319Z",
      "status": "applied",
      "chainlink_prev": "bc5434ac791bcd208c3522a036564e60f187fcd1e540923e4877c0c663dd6720",
      "chainlink_row": "e9df668330edefc9f26f13eb5735a0d82abd69aab0158f771b83bf570912b96b"
    },
    {
      "seq": 12292,
      "ts": "2026-09-11T22:29:03.972Z",
      "status": "applied",
      "chainlink_prev": "e9df668330edefc9f26f13eb5735a0d82abd69aab0158f771b83bf570912b96b",
      "chainlink_row": "c544649a07738c43940bc72855b0903f410802e8b2774f682fe0b5759b6239ee"
    },
    {
      "seq": 12293,
      "ts": "2026-09-11T22:44:04.449Z",
      "status": "applied",
      "chainlink_prev": "c544649a07738c43940bc72855b0903f410802e8b2774f682fe0b5759b6239ee",
      "chainlink_row": "1aa8789f61b3f170b0447a21e8fe86d5b6f176985ba8025b1ef54f22cae24ac2"
    },
    {
      "seq": 12294,
      "ts": "2026-09-11T22:59:04.614Z",
      "status": "applied",
      "chainlink_prev": "1aa8789f61b3f170b0447a21e8fe86d5b6f176985ba8025b1ef54f22cae24ac2",
      "chainlink_row": "14eeff82a663dea62cb4e4f54434f9e30f0c55e1da4239da74f5e2a90f891b16"
    },
    {
      "seq": 12295,
      "ts": "2026-09-11T23:14:04.279Z",
      "status": "applied",
      "chainlink_prev": "14eeff82a663dea62cb4e4f54434f9e30f0c55e1da4239da74f5e2a90f891b16",
      "chainlink_row": "3ecf297d1cbcb757ab5b5619f5938531c6f792223017fcf1f04c6b3ce14ee0f1"
    },
    {
      "seq": 12296,
      "ts": "2026-09-11T23:29:04.562Z",
      "status": "applied",
      "chainlink_prev": "3ecf297d1cbcb757ab5b5619f5938531c6f792223017fcf1f04c6b3ce14ee0f1",
      "chainlink_row": "339517b4b0e010b00e21bbf6e4ca77ce3b644d8ffa5b3741e044ad43d5d8df49"
    },
    {
      "seq": 12297,
      "ts": "2026-09-11T23:44:04.978Z",
      "status": "applied",
      "chainlink_prev": "339517b4b0e010b00e21bbf6e4ca77ce3b644d8ffa5b3741e044ad43d5d8df49",
      "chainlink_row": "bf721f6ba74c3c687fbc8c6e8980810c2160f092ee9e68e1e091601e418b91e4"
    },
    {
      "seq": 12298,
      "ts": "2026-09-11T23:59:05.054Z",
      "status": "applied",
      "chainlink_prev": "bf721f6ba74c3c687fbc8c6e8980810c2160f092ee9e68e1e091601e418b91e4",
      "chainlink_row": "7ce858b51b2ee0841f560588d5c854c6e0233b77093a88a46e74dd2dd293c8e2"
    },
    {
      "seq": 12299,
      "ts": "2026-09-12T00:14:03.895Z",
      "status": "applied",
      "chainlink_prev": "7ce858b51b2ee0841f560588d5c854c6e0233b77093a88a46e74dd2dd293c8e2",
      "chainlink_row": "53e263fa53e19880b0e7c2ad1d3b2f4b35c34fb3bf09c494cd71cb877baf6588"
    },
    {
      "seq": 12300,
      "ts": "2026-09-12T00:29:04.318Z",
      "status": "applied",
      "chainlink_prev": "53e263fa53e19880b0e7c2ad1d3b2f4b35c34fb3bf09c494cd71cb877baf6588",
      "chainlink_row": "b111fdb3c856bf624cf678a19ca632399b10ee40c0b6b3aaec824bf605afa08f"
    },
    {
      "seq": 12301,
      "ts": "2026-09-12T00:44:05.644Z",
      "status": "applied",
      "chainlink_prev": "b111fdb3c856bf624cf678a19ca632399b10ee40c0b6b3aaec824bf605afa08f",
      "chainlink_row": "164428986e90427162266038ca868fb4c9579d33dd47819f9ff1773fedb51f8c"
    },
    {
      "seq": 12302,
      "ts": "2026-09-12T00:59:04.404Z",
      "status": "applied",
      "chainlink_prev": "164428986e90427162266038ca868fb4c9579d33dd47819f9ff1773fedb51f8c",
      "chainlink_row": "788f4d57084a4611e5d076b3651a73d327d7a864d9deedb098921f714f59fa57"
    },
    {
      "seq": 12303,
      "ts": "2026-09-12T01:14:03.596Z",
      "status": "applied",
      "chainlink_prev": "788f4d57084a4611e5d076b3651a73d327d7a864d9deedb098921f714f59fa57",
      "chainlink_row": "91b267ff53bf1962f4551044f32c8e161633c3619f6c8bd0d8618508619277f0"
    },
    {
      "seq": 12304,
      "ts": "2026-09-12T01:29:04.193Z",
      "status": "applied",
      "chainlink_prev": "91b267ff53bf1962f4551044f32c8e161633c3619f6c8bd0d8618508619277f0",
      "chainlink_row": "dd2c33ea843d7e080c541b8ad31b9df896e7d0480ceae59a9612987772717eb7"
    },
    {
      "seq": 12305,
      "ts": "2026-09-12T01:44:04.129Z",
      "status": "applied",
      "chainlink_prev": "dd2c33ea843d7e080c541b8ad31b9df896e7d0480ceae59a9612987772717eb7",
      "chainlink_row": "d10c56cda0e010303943ec50eed1dfcc441f32d8155d7b44a2d25e6a637875ab"
    },
    {
      "seq": 12306,
      "ts": "2026-09-12T01:59:04.097Z",
      "status": "applied",
      "chainlink_prev": "d10c56cda0e010303943ec50eed1dfcc441f32d8155d7b44a2d25e6a637875ab",
      "chainlink_row": "3febea7f89e6e3e248aa8f07c5001a9758f22b4a346ce082f7427ec9112e2386"
    },
    {
      "seq": 12307,
      "ts": "2026-09-12T02:14:04.013Z",
      "status": "applied",
      "chainlink_prev": "3febea7f89e6e3e248aa8f07c5001a9758f22b4a346ce082f7427ec9112e2386",
      "chainlink_row": "d920c94cfc29751421e68d3acc267ce6fa6dc380177221ff776622290069b6e0"
    },
    {
      "seq": 12308,
      "ts": "2026-09-12T02:29:04.406Z",
      "status": "applied",
      "chainlink_prev": "d920c94cfc29751421e68d3acc267ce6fa6dc380177221ff776622290069b6e0",
      "chainlink_row": "18d411da0a2b8c7fc84903051a44769fc7bb12ec15643284017de29877960ddb"
    },
    {
      "seq": 12309,
      "ts": "2026-09-12T02:44:05.366Z",
      "status": "applied",
      "chainlink_prev": "18d411da0a2b8c7fc84903051a44769fc7bb12ec15643284017de29877960ddb",
      "chainlink_row": "d429a1dc150ef63e1e2812232c6d9ed65fd16cd6a59b969b60cd839bdea34ca7"
    },
    {
      "seq": 12310,
      "ts": "2026-09-12T02:59:03.747Z",
      "status": "applied",
      "chainlink_prev": "d429a1dc150ef63e1e2812232c6d9ed65fd16cd6a59b969b60cd839bdea34ca7",
      "chainlink_row": "7e49e22e07111f8dcb46309089bc2ef16ab862c18dd9669df407ba60d326d41e"
    }
  ],
  "how_to_verify": "For each row n: confirm rows[n].chainlink_prev === rows[n-1].chainlink_row. Any break = tamper. Spot-check any single row (with server-side leaf recompute) via ?row=N. Leaf contents withheld to protect internal operations; each row carries an HMAC authorship seal.",
  "authorship_seal": "HMAC (keyed) per row",
  "public_chains": 2,
  "sibling": {
    "name": "seal",
    "endpoint": "/api/chain/page"
  },
  "note": "two public chains that currently disagree; they are not the same ledger; v1 row=1 leaf_integrity is false"
}