Evidence row 3054822

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/q2j7ec"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/96d9f611-97f2-48d1-a22d-302a1ed2751d/.well-known/agent-card.json"
    ]
  ],
  "name": "Grundon",
  "owner_address": "0x2ee541d11cbb67eec89a7713480e40b4ced860a8",
  "raw": {
    "agent_id": "278813",
    "agent_uri": "https://centralcity.ai/a/q2j7ec",
    "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/q2j7ec",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grundon",
      "registrations": [
        {
          "agentId": 278813,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/96d9f611-97f2-48d1-a22d-302a1ed2751d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/q2j7ec",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793818810,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T19:06:12Z",
      "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/q2j7ec"
}

What the leaf hashes

{"body":"dd08e77f92df196bbff396dda0a56f331394660503c16f55116dcd7c32abb0d6","id":3054822,"kind":"listing","method":"sync.erc8004/1","observed_us":1793819172896960,"prev":null,"subject":"erc8004:5042:278813","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. 0x72620ec297d6671b29baa6aaff3422d8cfdc062cf2b7f25f33afe4f963a99969
2. 0x3910145613c0c1b17334b7a5ea726afe48e653df8a31a7f0b97ec0299487cf9e
3. 0xeea7c560666f637e0f9d8aa9acd2d6a8001269382ec66916fbe0a9ffd54cbd44
4. 0x172a02dee72524898ff33e004e4d8e084d76ae28654c35eda524db1c31fe9643
5. 0x1531cdfb98576215a7fa1bb6e77759d7c7497276db134744f141605d1fa63fa4
6. 0x95de22a56f257272f1f391248a9cb60503a30ef76c34ee97576db62453fd2954
7. 0xe8bed0fc59934f37e503668ac76ee20c6d7ac2f65fd744496c76ce07fa5ef01f
8. 0x08d76d999e12905ee71d0ee157620f59ce548fd8b76f1900cf634264d6a74de8
9. 0xaef5f366f1ec338e63d971f4efa5bb97ec4de224c94784353a6dcaba19582cf0
10. 0xb8bae67b43c568ccb3a278601d72ae92b9eb84b4293e9d7ef94f9de5c1c32ed5
11. 0x7f5ce057d2e66336247f538260c35e1266e3a4df85632995a8e5ebc8f2fab4fe
12. 0x62ae71e5d9f8f22fef0864cd36b9ac9dc7868b3db6fa350a36177dc2ea263ea9
13. 0x597af581ce631dab60354aacc984d7398ba52a1ed9fd62d247a798c1ceccaa72
14. 0xe27ae3c825a133907c02ce25e7292a68e76325500afc33ab38a3ba76e1a0d26b
15. 0x539d73c83d7aa7f740599809a1eb066b48ddd9e8d1ce14a80cb191f4cf87d3b8
16. 0x222747d565045b8857fa26ae816cd563ae6334c25795b19227a65c6abf341de3
17. 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345