Evidence row 2175190

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/MkIeSW"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/125f2fee-b11e-4b26-b056-fd33218a9def/.well-known/agent-card.json"
    ]
  ],
  "name": "Messadert",
  "owner_address": "0x306ccc0c3cf6dc0b6953b18f8693e0d3983f1db5",
  "raw": {
    "agent_id": "113127",
    "agent_uri": "https://centralcity.ai/a/MkIeSW",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Messadert 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/MkIeSW",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Messadert",
      "registrations": [
        {
          "agentId": 113127,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/125f2fee-b11e-4b26-b056-fd33218a9def/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/MkIeSW",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793637832,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T16:48:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Messadert 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/MkIeSW"
}

What the leaf hashes

{"body":"bc2c81c0596b617098a05f41b4cf10988b3367fbb80d94b21add1aedd5208160","id":2175190,"kind":"listing","method":"sync.erc8004/1","observed_us":1793638100417871,"prev":2174826,"subject":"erc8004:5042:113127","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xdd10ac255297c865238da22823765116ddf49abf780ff5fa97a88480f0a29176
2. 0x25277e5f6b865b5e9dda407e03b43149d1f1f6f84b0c4d882eccd7f2cf9f1822
3. 0xcc82eff5df933ff14831df9d61727e5140f74e6175a2415295b78e5ca629d54b
4. 0x7c096d89c0fdfb2d80b5aab41a39ffc30425fbed2a1fc93aba4c88026661be45
5. 0xebc87b32be0a242a452fb6a7a4f8f4acf8b1dcc11f84998176bd0e320f12bbac
6. 0xe3efb2f0f82acfe8c1c8172decac212f199c82bae72f6a57ed36b852c46f3a98
7. 0xd3aff6fd1bc1778e7a0ef349383c87d3d3d8631ff1d3a156c33482c480d3c8e7
8. 0x48b4de46371eb28e83374f5b632e596fb5365ad7de50e58a903230694017f203
9. 0x6f7c2ceabcb4ce1414adaac97b6acd2ec4e3f0023bd83b9b9238a7f3e06bf67d
10. 0xef4b1c9ceddfa888d249e0c336cb448a24e5f5f04dcb00fcfbefa0287bce4b8d
11. 0xd649d8636ffecb1c7d5bb50b2dc342616748de127f37838edc4922688eae76eb
12. 0x01a0fcfad157f65c9dfed12bdf21e0b3759daa967023093e05700338fea51d1c
13. 0x4d734793ac74750cbdf1c30c6305a901fe0ac2ddf5819c226b382460e68290cd
14. 0xaed7c1080b4ff0b1fc4f851df0f2b8b4ef86b106015aa3aaf8da39a641c41a3d
15. 0xa370e8e015a32408a8112e54e5f40a8a65e871bd52bbc6f25fbd1139f2ba5b11
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af