Evidence row 2620255

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/hMGTWY"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f18c2bf1-522a-4661-897c-b2062c55f2d7/.well-known/agent-card.json"
    ]
  ],
  "name": "Grauseon",
  "owner_address": "0x5d1754a792e478c983aa42161826fc5e957c3abb",
  "raw": {
    "agent_id": "197727",
    "agent_uri": "https://centralcity.ai/a/hMGTWY",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grauseon 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/hMGTWY",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grauseon",
      "registrations": [
        {
          "agentId": 197727,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f18c2bf1-522a-4661-897c-b2062c55f2d7/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/hMGTWY",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793728552,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T17:57:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grauseon 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/hMGTWY"
}

What the leaf hashes

{"body":"d8b950870af1969f43f0894205c77b6fb128305f7f5b1725d190d3fa8e387402","id":2620255,"kind":"listing","method":"sync.erc8004/1","observed_us":1793728642871564,"prev":2619994,"subject":"erc8004:5042:197727","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. 0x338ab568c35354bb5874bee1ece92cd811c23efa075b6fb4668f7c0ff8c7b853
2. 0xcaaf7eed07479aa5247edb248d40c6f772c8fa8c3a006391b0c2a6b925273c58
3. 0xea944574425ff12a96eb359fc5fb2fbd4db0447931b907165bd645874ad3ce87
4. 0x5cb6faaeb717f3baa73d6bb0369ccf5047a340f1d50a44714c2b4675c8426754
5. 0xcb88bfd2c37f8df6759c52b75cc8290cea90b881b5bc282bc1b866a6eeb13700
6. 0x183d224abd0f1f4f48dd49c8eae2c913b9755acd976876f3033b69e355dbcbd5
7. 0x85049301b378d8bee319dc9d44d2db72072d4d2bfabdbb591ce8311d30365044
8. 0x8933c453ebd8c1d0e7dd63b7a662ac92300c29fa9f9fc003a050c9feb47f0b9f
9. 0x33cb8d747a91167ebcfbcc7bd75a22db281d99baa61216c69d8fbe28d6d2d54e
10. 0x32efd1081db8d4ddd9619d2a98230090dcf041dad881aa49c2077e18edeab447
11. 0x0f3861275f120829013154025729690b672ff2da14f2e290308a0521f7ca00ba
12. 0xcb6ca601beacf26b9177e32582b9a95d6e0a58f9ffbe25f09a44da62d9c8c46d
13. 0x44abafcf13dab1951b2bc18cbef696c35ca4b682c2928d864f1fc1033e99e222
14. 0xe2bf4675db929800e127e8a752f51484d14d8f7a9d806273bdc68a1dfd125e44
15. 0xb1fe1f6398b7faed977bc6cc75b0a8404ef5a6cb386ca30aebdb7450b7bb6dbe
16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7