Evidence row 2151063

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/oj14Wt"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/13d6a450-db84-4852-8581-d6134e61cfc9/.well-known/agent-card.json"
    ]
  ],
  "name": "Niasa",
  "owner_address": "0xdd0e873c0fa7d9e466a7f428658b726fed6b4a22",
  "raw": {
    "agent_id": "101309",
    "agent_uri": "https://centralcity.ai/a/oj14Wt",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niasa 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/oj14Wt",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niasa",
      "registrations": [
        {
          "agentId": 101309,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/13d6a450-db84-4852-8581-d6134e61cfc9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/oj14Wt",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793628051,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:03:19Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niasa 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/oj14Wt"
}

What the leaf hashes

{"body":"340ff4b4d915b1c86f181506d22d9354f2940ee0200f4ea3929e4379c4e48b27","id":2151063,"kind":"listing","method":"sync.erc8004/1","observed_us":1793628199424670,"prev":null,"subject":"erc8004:5042:101309","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. 0x3adfe5452ffa98692eabdedc1c39f8667e10758e5be6695fa720fcceceb368e7
2. 0xbd974e3e73c86ef12477ceba58522fa6cf093ec8e477d258aab6563fd7558604
3. 0x2fbbcac5a1d9f1a69c56ffd0d0e2fe6896624061384e9e14659a207004d8cf11
4. 0x660cd73543da284e16ddd8531edf87fe0e73374260e12fa4e4db0798ee37d001
5. 0x8447ea9c2faf3da5fe2524c6deb6cd31728d8b4b3a744a851b2b3c2f39f0ac2c
6. 0xf3435c4f5b67d63cc3082df168467fb765b9a15435afdd097e0c322a709fe9c3
7. 0xefc7f3fbdb8ac32837fa208625c111cc55c260eb471bfce09cffb7cbcbd4c751
8. 0x11f2bebc10c550f69939b8829198d4d923a4d74072c2683e15f7297364a0598c
9. 0xae5948253ed415ac4dae20617fafa5e3aadbc8e98d9f563f56d8f4b27e0f72b7
10. 0xe61ac8a22ac3ca09fbd6abd20f649194aa51f0787d1da891af0c41ce62495254
11. 0x35d8466a1b1164401e37eab603d7f1f3a41843b2a82e92a0df1a2ef7ee3f2198
12. 0x066ca260f44392bd6f2d8db1214a53c03dfa715357ef60f9784f111e11047120
13. 0x507a2180313be0729754aef4a9f5ae0f5f1b96b322bfe83831a668afc9bd9d5e
14. 0x637ba5f029eadccf80c2665ace422cf50802b8ffd21717811c25c8f068f65dc8
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af