Evidence row 2156043

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/64Yz8a"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7adbf2b7-80ba-4930-a758-de41327b824b/.well-known/agent-card.json"
    ]
  ],
  "name": "Hassino",
  "owner_address": "0xa830467daa69ef2dd23ef5639a05fd6098758103",
  "raw": {
    "agent_id": "103646",
    "agent_uri": "https://centralcity.ai/a/64Yz8a",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hassino 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/64Yz8a",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hassino",
      "registrations": [
        {
          "agentId": 103646,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7adbf2b7-80ba-4930-a758-de41327b824b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/64Yz8a",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793629831,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:33:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hassino 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/64Yz8a"
}

What the leaf hashes

{"body":"02db15c1314d608a3bdab962052c6f357a1ee9db51a4748b6ddfe1faa8d9f201","id":2156043,"kind":"listing","method":"sync.erc8004/1","observed_us":1793629991753085,"prev":null,"subject":"erc8004:5042:103646","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. 0xda8267731c35a6ec71433c0c9ab35feef83045bbd7f8d6a8ccccc22915795083
2. 0xd62988deac0ba41cce732709eb4b243be942906b9f80c8333384a1dd335958e4
3. 0xbc058ee2b84bf8cdf1e32c0ef4fcd62b9c1640f4d5b3b34418a4dd9342f7bb68
4. 0x5c2808187457b9da2be387733ad51dd8e9bb22c17069881bb111c048661bf622
5. 0x7d3b06def5e2752aa419273567cd1ad53f5e02597f4105f87c4e395a471ea2ae
6. 0x322c18408c9825d252e8ae625a58005200b2efe9d2e5ca54aa0d862a7d2facc8
7. 0xf4495870c2733edd6a22385946f2f44b260f72335b2582333065fbd891afde1a
8. 0x1b4d5a5af136d0ab403325dc9402d6aca86a93e4fca42e9d20a0179e10bc125e
9. 0x88d726b0cc44a40488824eadd1a15e63041b8077acf0144b99058f2e85c00671
10. 0xf324be5979980c8ec4ae35e6ceb6bd80c3f9c660e6086378b23a4be36066f219
11. 0xfe01d075aece76c51e7ce31afbe5dc6b6ec09317ec86567954b888ae558a37e1
12. 0xc8b8fbd944f03f1fef9180edc64fe8b61cdae8db900d73504261d8c04a5cdcba
13. 0xf501fcee968477faaca9a060259336a60c82a32ca56ab2da724f950f415e8b62
14. 0xaed7c1080b4ff0b1fc4f851df0f2b8b4ef86b106015aa3aaf8da39a641c41a3d
15. 0xa370e8e015a32408a8112e54e5f40a8a65e871bd52bbc6f25fbd1139f2ba5b11
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af