Evidence row 2507707

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/u93ySV"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/11201acd-ef9d-4cf1-bba3-16a833260291/.well-known/agent-card.json"
    ]
  ],
  "name": "Nuvo",
  "owner_address": "0x898e5b49b843b8d7c5246614a719b659f9486c91",
  "raw": {
    "agent_id": "151606",
    "agent_uri": "https://centralcity.ai/a/u93ySV",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nuvo 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/u93ySV",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nuvo",
      "registrations": [
        {
          "agentId": 151606,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/11201acd-ef9d-4cf1-bba3-16a833260291/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/u93ySV",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793673131,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T02:37:15Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nuvo 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/u93ySV"
}

What the leaf hashes

{"body":"abbe77e471548aecf7943a2903e590a3c3e2846245f95825012eef4b3792085a","id":2507707,"kind":"listing","method":"sync.erc8004/1","observed_us":1793673435533792,"prev":2507095,"subject":"erc8004:5042:151606","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. 0xc8eb188b0f194cb9217b15dc2905e6c9f08f10a69d3006f5b2ad6a57ab6f4e51
2. 0x5d9a6d381d991ae402599f0d3eb33465b7763017a131c1a55f9500794b611442
3. 0x9e57998b00ecc6fbb0a7120385dad8264c6435e1faa6ea7711b46e1bd2cea394
4. 0x9822fcf84635c0bab93fbf4b3eb68844067ee60e2c5bba34cef094c9d446f9d0
5. 0xcf33a07685788e3a9aa7297d4f0a450277bd8f88645735055efb2139b6ac23f7
6. 0xe4efae483bab684c1316fab87696897083c6a03faabbab8ebf2a60121d917212
7. 0x66c9cbe73ad7495eb13bcb6c7d9a20b103264fb58945e2f21cde68042574330a
8. 0x60f78dc594142604b16904aec09a8bb4ea77ec1780fdd776ecc18e689d7f1bba
9. 0xe8545d402df8600714209a085da56bfc08a2dfa68a27d6eb5c446466904eb0f2
10. 0x85b4b51feeb11452490d7cbbadee06a3c83fdd7a3e1e89cee50ace38676fa199
11. 0xf3299713cd29fd8c9e832d003cc5d5f94bd7e3c3e9fdaf91a099b917589d6396
12. 0x2dbeaef7e11fec2295857e8322d40ee932a2656b92bad7e53be5969c92b901ba
13. 0xe7d1bc5a19c72da3374cf6c5d9af49dad33e112742ba8c06c04d858a1df1fc15
14. 0xad3757a4386398bde7b5dfd7d1ed0d8391a8487b9cbded422b75d61d77ec3baf
15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7