Evidence row 1818354

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Lt7OgE"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/279d618f-64eb-4ab0-bbf2-8c61a9a06d29/.well-known/agent-card.json"
    ]
  ],
  "name": "Friofert",
  "owner_address": "0x330a5988d4810b306b15918be01c5b5f556e9750",
  "raw": {
    "agent_id": "21616",
    "agent_uri": "https://centralcity.ai/a/Lt7OgE",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Friofert is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/Lt7OgE",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Friofert",
      "registrations": [
        {
          "agentId": 21616,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/279d618f-64eb-4ab0-bbf2-8c61a9a06d29/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Lt7OgE",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793562486,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:49:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Friofert is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/Lt7OgE"
}

What the leaf hashes

{"body":"b44d4da856af7b77d00eb316d598d3f71c1323b658759aaa493b871c5e865dc7","id":1818354,"kind":"listing","method":"sync.erc8004/1","observed_us":1793562583124519,"prev":null,"subject":"erc8004:5042:21616","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xe1390a4893beb0bb460caedacc21aaa0a6da7d1d0513f21169b63460ac2d036b
2. 0x74d38bfd3be1e755ee70f7a95eff6e1c80af8552051470791c2da55427c3530e
3. 0x95860e08a0dd8ba170c25b4d5933287fb4c3da82c0a44084eee0cb36b5f4d980
4. 0x91b39c84651ac8387c7777a63d46b94360d7bb0f996a3637088a5c89c57a82e0
5. 0x566b315bb7ff2a4edd7263f242a82cf6b9ab2648b646489aadf72c62a0f8bae3
6. 0xcd71244190afb57d4b76114b858efc6d9e0a169133c7f0e5ac8a2534d5c7cfc4
7. 0xadf118a0717994ed485f7642a8cc23723c1382eefbc6659a6cb7254ef1fbccd8
8. 0xbd64d894ade687d5ee6fc60eac726831fdadbfe59fcad31b840e0b8af608e373
9. 0x94ed21d2077bb447d6aab694cf051c8aa75edcb0790e2b948b59de3ace28e476
10. 0x397cb51a074278773fd7e6b669966112950762b41b0eb0f6fe35fac2c394250a
11. 0x3547035e329a314602314f8b39a3ec41ab387aa1dc456833f1b58e6bf05bdf9e
12. 0xe2f4c4b84fade36a7ef7b4734c148482096b21c09ed3027f89157a803cb329df
13. 0xd1d3d18403c8d600bd2ffc7617196b7b7b40c9cc69bc89a55f9c3d8c58bd3cfd
14. 0xf25ae803bf30c21cc73fca60cb3edf50df2a8c71b23bfe8c11bfe395b2367892
15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90