Evidence row 1774885

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/szon5z"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/57984029-2edd-4c5e-9481-45fe64750e44/.well-known/agent-card.json"
    ]
  ],
  "name": "Brumpert",
  "owner_address": "0x0937ae8ca1df0b30fd17726a82c657c3050058b1",
  "raw": {
    "agent_id": "10354",
    "agent_uri": "https://centralcity.ai/a/szon5z",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brumpert 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/szon5z",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brumpert",
      "registrations": [
        {
          "agentId": 10354,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/57984029-2edd-4c5e-9481-45fe64750e44/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/szon5z",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793550958,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T16:36:46Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brumpert 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/szon5z"
}

What the leaf hashes

{"body":"1756a50c0cea7608aa8fae5588ebed536efcf71ae6356b6c22bc67a5e57a86b9","id":1774885,"kind":"listing","method":"sync.erc8004/1","observed_us":1793551006349828,"prev":null,"subject":"erc8004:5042:10354","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x5260c52c8a8f6f225e68c44a3478f610b04839cbc97fdc6f95dd75c370a37df6
2. 0x20b70245fd1e9ba31070081f67011fe307029830bb8e68953b270c964a8ee481
3. 0xb80985f71e6bde4ecf272960e4f587a845840549cb72ddae3fabc84603e5d7a2
4. 0xff59d837121473c6e8d1025af7add50e815b5736ffd9de121363aa7efbb5e602
5. 0x5a649097b1bb33dcd01a9f90f76fb95c6ce549bdd6e1b21f1c4cbbfb8f328980
6. 0xf07bf8b2dfa7ed9e7160812990aa4e6bddb370f5e099a74734d99380a563cfaa
7. 0x1f70ef6a1feb61bfbf80f312d0d4894e399a5111175ae1072e745fc7bbcecf22
8. 0x579008000aa2c843744a22af95562e28bffa0b9acd303cbd80c6a26dd3cb06fa
9. 0xae3d8f7f24288aba81262cdbdb4f2c615bd8a199eb0f46cf02abfdc24f156ed3
10. 0x58b9ceb286b706c787c76b28d296e239044a77d88e420d764cdf9a7915670f2e
11. 0xb4b5e171ae6ac69f3f0364517d0141642ed8c1d994801ca5a65c376b1e15f4a7
12. 0xd54947428effd59a8bc19fab04a804fb7f80dfbfbb84a5fc4c4a9abd0bcf4b9a
13. 0x61ea1522e2a8dd1dbb4a7f6b4b6b4e9d2d75dad9c43bbf8d014ad3d2e55a77e7
14. 0x4dd56cbe7671c2bd3ac1c5d78e38f1cd1c8a879b29f9a6a5b8a22555a3aedcd2
15. 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90