Evidence row 2255184

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4n2mwC"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6ca550dd-d98a-42c3-8be7-f312033c470a/.well-known/agent-card.json"
    ]
  ],
  "name": "Studjo",
  "owner_address": "0x27fea9c60df90cf4623fb4f6ed785cc25d7f0a33",
  "raw": {
    "agent_id": "126246",
    "agent_uri": "https://centralcity.ai/a/4n2mwC",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Studjo 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/4n2mwC",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Studjo",
      "registrations": [
        {
          "agentId": 126246,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6ca550dd-d98a-42c3-8be7-f312033c470a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4n2mwC",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793647584,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T19:31:50Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Studjo 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/4n2mwC"
}

What the leaf hashes

{"body":"ff086ba1d70506b6d04edb6fe868538ffbb2a951f510bec081d4fc21374b3b75","id":2255184,"kind":"listing","method":"sync.erc8004/1","observed_us":1793647910932658,"prev":2237455,"subject":"erc8004:5042:126246","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. 0x729eebc027d7ead50048dfc31516139e7de19b04e466289fdc2e21e0926b44c9
2. 0x4e6f9c1fbb14e8ee00e42699ef61462e60193cc3ee081e48ec90e5aeecbb0d5d
3. 0xabc0e322f99a94d35e7c36db6f8f574a0e02ee6f361e10c98db927a64f5ee1f4
4. 0x8a6a7924a19db06b694a63ad1baf3b30698f6000dcd0ab32f5a98741cbd15840
5. 0x21dc3989a40404e54ae2aeb5dbd6763998338956746c1ac8c46a4e8ecb7065f9
6. 0x8f1d33709403b1959558b57fd67c644b3919454233a6aa2c83c10619413cfb65
7. 0x57fd6d742a498b0ea581f33edce9e013fde1ad43095a5811f8d8722cceb2dc14
8. 0x9f1cdef328a0844b183cd42f8578d3950b81b527107b43f7adc4cda4a42ef0a1
9. 0xee451066004414552ec0fba034d4a6205114c2548f797177427075dbb2d97c93
10. 0x68196e01bc5e1f762f0fd3b69a81521150bc6285d164ce03437c924da5efdd1d
11. 0x10279b498909bd5a1017abdfe1873ab23fcf2667056e2fec9cfae6ae85a06b4e
12. 0x51697ad5d0e09a5ab486f9f30e38496d82eff55f99559b8ea48978b3737edda3
13. 0x5b336d18729d4068a892dd1e69a1bcd181b14c9ee7673f058f47ad6722014ff9
14. 0x05ad6b5d39c05b20c421cfd08a369494609a679562a35de106ddfc5164e8f853
15. 0x60dd7fd8117cbf3b80707f722623736c8c2b5b56277e8e78c9f81ef2dab8deab
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af