Evidence row 3016900

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/LBX2lF"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f447eb5a-8ca1-4be0-bbb0-1b6cf6854e0a/.well-known/agent-card.json"
    ]
  ],
  "name": "Keifel",
  "owner_address": "0x79b5a5685007f08c3adf9f7cadcc950864fb8522",
  "raw": {
    "agent_id": "253615",
    "agent_uri": "https://centralcity.ai/a/LBX2lF",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Keifel 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/LBX2lF",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Keifel",
      "registrations": [
        {
          "agentId": 253615,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f447eb5a-8ca1-4be0-bbb0-1b6cf6854e0a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/LBX2lF",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793802851,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T14:34:42Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Keifel 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/LBX2lF"
}

What the leaf hashes

{"body":"ac25ad091be3913e8ed1f84abf30adbc127c1940ef11d9a68f80a90c301c8035","id":3016900,"kind":"listing","method":"sync.erc8004/1","observed_us":1793802882737001,"prev":null,"subject":"erc8004:5042:253615","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0xe6346f0be612310ddb433989a5d7013d06d03bb234fb6ab01ed742df683be19e
2. 0xbb57e74f4a74d0582863f9e44902db835061ca1e4042ee409bc34b6e67bf1939
3. 0x5b6bd8eae2fe1a7b681ce39afc49a45de6f4c9ef1b7e9601e47b82206f306398
4. 0x8d9dfa10ffaa4d1584aeeae9db013fc242eb9f26e855e7821b94b0bb64ec64f0
5. 0xb5a56e4705d7933958394cb28c39311dcb7cfff6c7f784c8b1f5bd78d1046ebb
6. 0x471baa7e00430fea2d267bbce88c4cfb63cf23b40c69f0f7d89c1742c99ee354
7. 0xf26691dbb022794f655dfbe40bc0a201d3d2959f641f83cb084a093f3aa475ed
8. 0x288545c0e534571c7a79394d446be11c6153569a30b25f54928eaa62b6af3ef2
9. 0xf2eb982b1068be2daca4e6ec5a59a3099218b0e6c11d4f43d14957f72d8ffdc4
10. 0xad0ff41563f683c8860a7f24c154c5c9b07e5f95f764e62bc033a7de444b4400
11. 0x97ba2a9d00dcdb63b85cdbe2b3bcbbaed95c5c77f74c667f926c52d2e323486f
12. 0x5e87a51a1205951302959aa048373e9bd90a07aad0da06235155aabe583e6e8f
13. 0x7bc1797ffddc709f7e89686d72ce8c18d5f0a658e48ff89a11ca9e5a38c4b913
14. 0x7324a05814342612129bbef98d94a12fff89b93cf121ff58f8160eaebd6bcbcc
15. 0xacfc95cc63f2205f2e42294ed36a317ab746c06b12feb3c243315356ad95b62a
16. 0x621f050d36e1026696df95e35f6767fff738c18d7486aa88506e941d484ebef3
17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345