Evidence row 2192329

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/jAnAxk"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/931eaaa0-1979-44ac-8e59-de01e2f427ec/.well-known/agent-card.json"
    ]
  ],
  "name": "Nostan",
  "owner_address": "0x767a4e4094a293d7008cd655f6cfc580011d1715",
  "raw": {
    "agent_id": "121572",
    "agent_uri": "https://centralcity.ai/a/jAnAxk",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nostan 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/jAnAxk",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nostan",
      "registrations": [
        {
          "agentId": 121572,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/931eaaa0-1979-44ac-8e59-de01e2f427ec/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/jAnAxk",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793644251,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:36:52Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nostan 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/jAnAxk"
}

What the leaf hashes

{"body":"e32f4521a9684d7d8122125007c29e4579874163a4071e2cc9315968db111fc6","id":2192329,"kind":"listing","method":"sync.erc8004/1","observed_us":1793644612726230,"prev":2191781,"subject":"erc8004:5042:121572","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. 0x05a3645bff9ff621989f79b424f7f2896d04837214579f8f0a7e2cff9d8875c6
2. 0x1d43fab53e99bde2ee275968d9098489c86d0f438fedad94d1baf421d920716f
3. 0x8c0fe81694f1235841a2c369411a2bbf81fcacdf2ff39fe5b102289db982b19d
4. 0xea885c7d549c95033205f8fab62e3c5b9e2cda8b569fb8c40b03779757f3d7f7
5. 0x77324b4d0c01b7be9809f34bd3465c5850f7e6f70f19e9ea1a7661b1659c3d2d
6. 0x08c2640615efd74ad18d1b0b47bc0ceacdfc9245e470583111f9b57956c21051
7. 0x15cf3007b08dedfae6afd11c4cf715076650d3ee51f1c8a8dab5a51711b72ef0
8. 0x466286679c86ac700f4ea78ffc77227542a31eea0d5ade523fb7db54b4d299e4
9. 0x90e913f350b23615d034917fbc97a588080e369a11edd6d310fc6c7e893047f1
10. 0x4490ca4a24177c53a93aa82cef2d07215bdd8cc7813fc58a2416e75e0757c676
11. 0x74a6369ff44f91898cfaafb5a527e14851cf7d8cf615f868cee36fe764b35944
12. 0x0aa954f5db495a61a9f2c9a29bad626fca6816d6a493be53cfa80c4c49e4ee33
13. 0x09c4d50cc90ae90d0e870f84d23642d3d078e94f56d566d69c068b9edb2aec5c
14. 0x66ec51993542849e8bb0ec95d77eba3d6a82a6a4fd1696c4d0ddbb7a693845aa
15. 0x150a4dbcf309a6bb857da0b59f7588bd57a20fca094e579bf41d6cc6df9c7bff
16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af