Evidence row 2164188

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Nn8DVw"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/11823653-8cd0-4e26-8983-251c06af10fd/.well-known/agent-card.json"
    ]
  ],
  "name": "Piassero",
  "owner_address": "0xdc625b6d76416e26602f3d8b93f6c53fdd10214f",
  "raw": {
    "agent_id": "107698",
    "agent_uri": "https://centralcity.ai/a/Nn8DVw",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Piassero 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/Nn8DVw",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Piassero",
      "registrations": [
        {
          "agentId": 107698,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/11823653-8cd0-4e26-8983-251c06af10fd/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Nn8DVw",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793632889,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T15:26:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Piassero 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/Nn8DVw"
}

What the leaf hashes

{"body":"8acb17307d0f9af0b57d208094979663bd95c60cb80319de7bd92c63dc42a470","id":2164188,"kind":"listing","method":"sync.erc8004/1","observed_us":1793633191201279,"prev":null,"subject":"erc8004:5042:107698","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. 0x696a9c65d3491845f9c8a1c2ba4b2bcd5c7c1a06b223638d9f4a0e29ef12ec9e
2. 0xf494f6924c0d5f78edb01c123c2b697096ecae5d80d6958d86399ff062484b35
3. 0x8444fd14a47c92572a647f08b7908b3e05316ffa651f4f4da50270ff1cebea62
4. 0x4d6f22a09767213fac437c113639b40acaa4be9221632c4365230b971dde6aff
5. 0x519df251ea58cdc1d6c9819b0f3d8ba1ff209d4d979751933a368f5364b71349
6. 0xb2513e75dadd3dbd45db190dda76f50d5deba6a3cbc5fb6581b39756af4d4e3b
7. 0x9138d26413f2f7e59463041373d3c697fc6d9aa0a14ed962dcf2b4abcace3d52
8. 0x97156a6ab373fa085e356d7e8dcd49efdc40b38a676d2fcb3163486f0d31aaad
9. 0x3025a080d8e7cd42235e938ef315b142df7127dcd489c16b661387c0cd58bd46
10. 0xdc3596e3b32226546a697dd2a95c41cebe23ecf22a32ea04acd1e2e172a504c1
11. 0xf5db67c8d15270edfebc5e50c7948b9fa1b62e8882f03c3a6e7ca8b7c07c87c0
12. 0x4c6bfda049005dc169b297132e952f3d0d63a895211bdcf40f0eb667e2aabcdf
13. 0xefbd3ce8cc9536c9dc7555a61f73905cdeb76d020d347be26b68924fa6aacbfa
14. 0x197bc18a6b8126dd9b52133f001dca55646ad9292aafa98222498ec1746809a4
15. 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af