Evidence row 2540211

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/zCbNoW"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8f9650a9-f726-410c-91dc-837fb5b127c2/.well-known/agent-card.json"
    ]
  ],
  "name": "Gradis",
  "owner_address": "0x22492acbecf42357ce42422b816efc3623ff704b",
  "raw": {
    "agent_id": "163568",
    "agent_uri": "https://centralcity.ai/a/zCbNoW",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gradis 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/zCbNoW",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gradis",
      "registrations": [
        {
          "agentId": 163568,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8f9650a9-f726-410c-91dc-837fb5b127c2/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/zCbNoW",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793686999,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T06:23:46Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gradis 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/zCbNoW"
}

What the leaf hashes

{"body":"2fed26a536684bff5c7022c14b83d7559590603a3b3e5c864b6f1cee8419b9f7","id":2540211,"kind":"listing","method":"sync.erc8004/1","observed_us":1793687026802480,"prev":null,"subject":"erc8004:5042:163568","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. 0x48e49526a02325e7524219b0dece9a898c29d4863d5ed952f358071984e75ee9
2. 0x5f0ae90bd9b62b90e14dade782c90670cf4821b3e065222fe7cfa9b7c71cd032
3. 0x7228a6f9bf41da11a3b37bfae06dea3e43aaaad894c6126d3fc9bc0bb236c3b4
4. 0x787a9de18ebd3a0f8919d26d9b18eaed77726e4d108c98eac08afcf11e0073aa
5. 0x4cc85ef1f3ab3b9cbf5d485abc3a90bfb13e82fe9b1c8b6b182bbdf3af5a6b3b
6. 0xca7a9a10f119c437da2f7a5d524d0341bb8281e9aab4c0dc86ffe01eff8c7c19
7. 0x114531e99347733607773f3643fb5e903a96cb73e5449395ce4dd91843709877
8. 0xd1c8365e04b1cb83518ec604f18b29eb830e37dccb7f0dd1b7f1abce40c69986
9. 0x4989b3328a1372959b455b97c22a288af99f5f7b4ef79318d6300c35b5803caa
10. 0xd8442dadd110bd96340d626fd92f89edc27952cb5428c8efcb1b1aea455556a8
11. 0xc736170b5ee322d1cd074fcdd1a23fe59e2706d2dcd73830b70d53ab1b09d4e9
12. 0xad3975ca058b9079797d664a2716c3026ce9b3cf3c17d86c40963ac4a531b020
13. 0x4d71df216aea86c4926fd51f5108f2a3e02d1069065352831adc974ef8b478a1
14. 0xc46a5ce352649d53ab9bec3f87fd24e34046a987433894bf1e8165e57badee79
15. 0xd106fbd3b5dac57c72dd4fc8931f69b38fd5a542627e63d015b63dadf2188a2f
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7