Evidence row 2567613

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/j5z12S"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/bdd55bf5-6236-4b88-a072-cb795507c93d/.well-known/agent-card.json"
    ]
  ],
  "name": "Grassik",
  "owner_address": "0x20b53b4fc6cc085cd1444171c29e8897b0429ab2",
  "raw": {
    "agent_id": "177173",
    "agent_uri": "https://centralcity.ai/a/j5z12S",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grassik 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/j5z12S",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grassik",
      "registrations": [
        {
          "agentId": 177173,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/bdd55bf5-6236-4b88-a072-cb795507c93d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/j5z12S",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793702630,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T10:44:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grassik 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/j5z12S"
}

What the leaf hashes

{"body":"9c08165f13b659bebf6c09981481d5ca9dc06c40bcb901a1a854b507ad9b3a59","id":2567613,"kind":"listing","method":"sync.erc8004/1","observed_us":1793702671824982,"prev":null,"subject":"erc8004:5042:177173","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xadddaf1a20bb06c69fc5abd1f4cd4943f747070394cf4688e9d83574b9a1074a
2. 0x49ec9f242f303822860e1f52f53ae107580ed709292a7294f93dd3bf6ca86fee
3. 0xa30a10ddf5746acf842eb70c898cccc76727f8761c2bc8f2b34e922bcd97926a
4. 0x06c01410c2972baabcc220993fc7af025440f810fe9140283f4d82fc6af20376
5. 0x9fc581f45e5dbd0635a3e3e0962dedfd0a71d3f490d299d0a8b235a58b19dd70
6. 0x4c56b7d481146eab493831e0bb9f33fc247099835ee538aef2d636c0d0f44850
7. 0xc17eb41e340ccbf29d9348e5bc3fd8d631b644f8c420a1e9286481352998a1f3
8. 0xea0a6097426e1227ba9769f311c9a985227c7cdfba5bc03edc9276cbed2b50a8
9. 0x2ef61dfbe695aa6a3abd0cc155241088dd584436e0a912e1cf8ec804d7a53227
10. 0x3ec69c52f5b6817a4abb6f740cc42ba4f6d5c82caca563b3d2fe064ac80fc779
11. 0x9bf6108c42495c75c34d9fe1bf0e540070028081ff9f173e95ac89d330fd6054
12. 0x46c93221d5249ee065fb448de34ffe32ee00ddb690a58acdcebdc8e1035cd7ef
13. 0x2fa7ae547fe2821a8a9486286acf00c71cf2a484341c8e82886e07422fc0861e
14. 0x11934b37b54663f98169a4c48cc2b0a60fa4a3c4018d1ce3e508ac01ae614249
15. 0xa538822e863ef8366c4eb66bf75faf8a639aa1f066f65f7444fa54d54d48ec53
16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7