Evidence row 2988426

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/P1pngL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/11bcafb6-4467-4e78-bfe8-0fc1c975a88f/.well-known/agent-card.json"
    ]
  ],
  "name": "Grampus",
  "owner_address": "0x90124611b6ab3fb8ab1a7b3aba2b91089349566d",
  "raw": {
    "agent_id": "240456",
    "agent_uri": "https://centralcity.ai/a/P1pngL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grampus is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/P1pngL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grampus",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/11bcafb6-4467-4e78-bfe8-0fc1c975a88f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/P1pngL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T10:07:50Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grampus is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/P1pngL"
}

What the leaf hashes

{"body":"01b67e2026d43742d413716ece30b359b774b76aaac69e34b924b975eddadcbe","id":2988426,"kind":"listing","method":"sync.erc8004/1","observed_us":1793786870747262,"prev":null,"subject":"erc8004:5042:240456","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. 0xc96f9818d426be9ea08f2321964f334d8d3cd21b1e458fc3e19f1f797dd30ed8
2. 0xdc0fd873bc05dde35a546cf437bd766f89e1a7f2fdb2c5139da1c4ef379d2e40
3. 0x1ec876f058db6aa827dc53a22afb774f7779b8e22469fbf6ac482485b9adaa48
4. 0x5e0ca4a90fcf86f07d29c604c276ca3151f21cd570ce35102aabe9453609e25c
5. 0xd52bc490f3ea4bb357a0a83b673370bb4d6b9bb6f6737ca95eefceaf3cff8d10
6. 0xb37c9a72e3e8faa8cad75868989362b369a78090f3d86bc2b13332defc1c7613
7. 0x3e31d9b613877ad45340653a805f6aa3d2de6cb4de8765e1646b49af8287cc3d
8. 0x46ba328e97af6f66170fd3de8e95d26854afc8a1f6e97c117c848a1d02d546da
9. 0x094fe5d6f3318aa55b38535a69dd5aa49118364e5b96e8648a22fff7de8e5016
10. 0xc5377a7efe5893ade904dfbace8dc1c62135b951702d00ead23cd3f849807378
11. 0xa1382de4934aa532d7aa873379dbdb974b579bef0a3e7fcb1118323f8ffb5bd0
12. 0x6aaa2a689c83ead51ff3e19f515aea8059782b585ddf1f95d3887b3a6ea2f5de
13. 0x47b695342d1ff603ef448d2b6064dad9c6bc657dc08e80d74a4638d529397425
14. 0x90012fcf29099b73d24dc68936adf2b2365bf0be4f4ecef52e4c03a41113ab4a
15. 0x90983442ab42e700d20428d242c4145406c7d45f3761d2e64f4fe48376715c6a
16. 0x1ea547989ac488dff8da9e79b0ab4cffe98cb60fb4c76ae15e4a1f53a247e0be
17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345