Evidence row 3037780

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/OOvG1B"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9c5fb437-5522-45f7-81cc-674936e3b9c8/.well-known/agent-card.json"
    ]
  ],
  "name": "Grundon",
  "owner_address": "0x7fdddb64cbbd33c7013eee4ed060764cb744c443",
  "raw": {
    "agent_id": "267607",
    "agent_uri": "https://centralcity.ai/a/OOvG1B",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grundon 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/OOvG1B",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grundon",
      "registrations": [
        {
          "agentId": 267607,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9c5fb437-5522-45f7-81cc-674936e3b9c8/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/OOvG1B",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793812311,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T17:15:14Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grundon 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/OOvG1B"
}

What the leaf hashes

{"body":"c53a758850c376b6d284ab0ea01ac1e279146b42c2c32fec7de5816418b64050","id":3037780,"kind":"listing","method":"sync.erc8004/1","observed_us":1793812514784074,"prev":null,"subject":"erc8004:5042:267607","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. 0xe52bf86396958245ea02a6bec097f8d97b5d50f64e70e84b72f4d4eb3da4d451
2. 0x111bb8ef8ea2bc0174357998f1551357f2e6ce577efb3684cf99271fec2fa3c7
3. 0xde0b3419dbf6fea1025ac099185f9a83e10f6eca5a3589711dd0a8686a5198ac
4. 0x8b6ec25d659ffcd49da8e640549284f7b67da2eb523404140266348a67e49197
5. 0x015795f8493d1da71151d875fdc5a1ddd19239c5374296916a9b57ebddb7b00f
6. 0x57271281fe776921242f4ac2464a68bbb0edb930c79d14a8eae11619a756f954
7. 0x18819debda067b599e07ba62f4323da692b40058fc775f97e0b81b9a5a4bc3b4
8. 0xc1f0e55fcc92176a8e4d331f7bd6ecedb59216dfc7e99496468f089e8716cbcd
9. 0x240f7c24af3477c77aaa45279af7ff1230d0575fa971630dd21c44f9c4f456a6
10. 0x9fa6efb46f5b18167a1ac7bc117d19a2fff8a5730f4d5c75fbdff30e42afeadc
11. 0xc0aefba3dc565e2d42b356d83ba95cb2106d19888835848664b8936fcd6f778a
12. 0x4bbfc07603fb1f664ec8c8d4ad1c9588704896334af9b88258599f90c5789dbc
13. 0x850edfbd7f1ce6d3e11c51ed25671246e630daaf19bcd4d227e43e6f1340b62b
14. 0x7324a05814342612129bbef98d94a12fff89b93cf121ff58f8160eaebd6bcbcc
15. 0xacfc95cc63f2205f2e42294ed36a317ab746c06b12feb3c243315356ad95b62a
16. 0x621f050d36e1026696df95e35f6767fff738c18d7486aa88506e941d484ebef3
17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345