Evidence row 2116751

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/P2TfFB"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/21417c05-f338-4e31-9e9c-d8bf0ec6931a/.well-known/agent-card.json"
    ]
  ],
  "name": "Klassias",
  "owner_address": "0x3a8ccd9d11e1db23e2b86c34bfa44e144ff07a77",
  "raw": {
    "agent_id": "86826",
    "agent_uri": "https://centralcity.ai/a/P2TfFB",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klassias 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/P2TfFB",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klassias",
      "registrations": [
        {
          "agentId": 86826,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/21417c05-f338-4e31-9e9c-d8bf0ec6931a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/P2TfFB",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793617481,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:07:04Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klassias 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/P2TfFB"
}

What the leaf hashes

{"body":"9e9234a1f6f8e0c4a6afc22b7811d15e9b83113369653038516f3bc2049a8662","id":2116751,"kind":"listing","method":"sync.erc8004/1","observed_us":1793617624509682,"prev":null,"subject":"erc8004:5042:86826","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. 0xce0582c483a2e304a956cc15119e1bae0b539c3ccf51be9de930dfa1a0742a41
2. 0x305657aa9bf717c3cba60fb138cfb480a213da1e63cfab834142f85d8ef51dae
3. 0x5726dc9b50f39c3c979b577802971410773471530fc28d46a212bbef6fa06ad1
4. 0x32b1718d2962d7899dafb3fca98d885ada5488bd1ca3ac0a8ccbb17aab1eb1ad
5. 0x0ec76cac47940ec55b98265d77a96c99c677f02b072a1700aa3d5149d4fd7846
6. 0x88e936ef3675b29dd356209d5b21c4dc5ce1091342aa81869cd729ac633ea82d
7. 0xa31f74a102ac0a8e09fcbc56095c80228b84f4ea67c7a7a32d00d195862e772e
8. 0x450f53a33f890c6cc4d3ff7f03c7483068fd6e790d761197316ddaa786755dba
9. 0x609b4ddcf169cde02e91dbb16089e347266e8599c906b06e1565d51d778659dc
10. 0x41ad501455849075a9429702e429ac56e37f8619e22db6c587abcd9cfeb5f0aa
11. 0x4b3221c1d3372c5252ac5ffb915fa3c4f90d17ae97f509b73e213279711ba4ea
12. 0x969f4546563433b0611a9a02f9a7162415f103e19bd4d34888902c84514912a4
13. 0x072f2f6577fd7448e35dd54b73d821e24c8d625a3295181aa05e7da8bcdbf170
14. 0x4f21464039902a4044b17c93873adb5a93eecc8e977b4e039acb8cd5f4210b4b
15. 0x5b456020389d8e0ef67f16a492c600b5b88189e59398bba308734db7e873e7e4
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af