Evidence row 2275977

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/RdGVQM"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/13240615-b585-49f6-b581-13c1b2029340/.well-known/agent-card.json"
    ]
  ],
  "name": "Nizo",
  "owner_address": "0x2d6827df8c5f188a53ce11154ec668e6d7d3fbd8",
  "raw": {
    "agent_id": "131192",
    "agent_uri": "https://centralcity.ai/a/RdGVQM",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nizo 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/RdGVQM",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nizo",
      "registrations": [
        {
          "agentId": 131192,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/13240615-b585-49f6-b581-13c1b2029340/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/RdGVQM",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793651931,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T20:42:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nizo 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/RdGVQM"
}

What the leaf hashes

{"body":"a220caee440ef19c27147afb293154434efe2be6fe7d527205bba1b39324518e","id":2275977,"kind":"listing","method":"sync.erc8004/1","observed_us":1793652154253965,"prev":2275446,"subject":"erc8004:5042:131192","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. 0xefb13053a36e43b2d5d07dc6c42e15595905b3641efef83766b1713ce88b69ae
2. 0xce193d4a984bfc4d1326fdeaef82be437d41176a4cd26fc4d62f888fb3ddb383
3. 0x1907fc126ff20e54afa35236e5154ff761c9a8c572d16336bdad785a53407f91
4. 0x9465ca46951f6d9c55fcaf855e2faf6587ed2c6a104845dd5e727e625fc61369
5. 0x50912dce5a30cc3337d36b0f8c8d2de2949fae25dcfb4de8face12677c291467
6. 0xe1f427f4c75d48b51184e1f3ac95d057176ea0b2c238dd0019a2de0a5ee34a7b
7. 0xde71444672231d507245e540fadf0dff8b47027c27e0c437a8e0a9049be0e718
8. 0xdaf82b037a622160b3e7fd41273f5fb7c2033288aadf8a7f0fde87add0e0a314
9. 0x8b742a91369d6cf46383d89449911da78687632079b19bf19469df2db59eb747
10. 0x3cbfd0614292dbb98c722dab0c23423c3e85d3c390da3a28fc71ec926dccfa35
11. 0xaa2e865008eca144975b207612c7c4850c0d2e9fd52e97b061a91248b43db0e4
12. 0xfe5fafbda84768aa127517412dad46b6d52750c98fd0471847d383ba9c0ebea4
13. 0x6a66db154e32d45aa1f1ce72719d9372fd5cdf4add16d249006bd3cdb0f7c074
14. 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af