Evidence row 2600547

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4k6Iq5"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9a44077e-df3f-47c0-a84d-76718268581a/.well-known/agent-card.json"
    ]
  ],
  "name": "Piamoston",
  "owner_address": "0x0af0199b7d2cd7f36858b3c25393d6a0f9526013",
  "raw": {
    "agent_id": "189725",
    "agent_uri": "https://centralcity.ai/a/4k6Iq5",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Piamoston is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/4k6Iq5",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Piamoston",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9a44077e-df3f-47c0-a84d-76718268581a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4k6Iq5",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T14:58:14Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Piamoston is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/4k6Iq5"
}

What the leaf hashes

{"body":"e0deb8910b597c3abc808026ddf028c4781b29c289b98815c0341fe71844132f","id":2600547,"kind":"listing","method":"sync.erc8004/1","observed_us":1793717894773381,"prev":null,"subject":"erc8004:5042:189725","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x7bfbbf7a8244c731b5aaedfc9468009b23f514d4c18a1f0bbe417b9601044d16
2. 0x69f313879efe8340261cb0b656802d1257226df9831fa7ff9360ce34887a267c
3. 0x3ca1cdb12744ef42f61f010d03e65554e09b5c90b16ca140c71c2c4558274907
4. 0xa351cf8402acd14ce54c2d6ffd81510bd25933902b71a36c9a002bca0fe543c8
5. 0xc7b6c5176ce645186cdec9460dc3e4da6f100b41b83c84f8ef6ab766f7c02e97
6. 0x93c3610933812c7a259afbbd16763527479af1ef53d24e29febc6ffe3039f68b
7. 0x26c7f9991a1788f85cb0d81646db78562902e73af47e92dd05fc9b4b77c3f6bb
8. 0xdbdd321d0edfa98caa430a09ecac103cb31d9eb5192158c952c51f1aa3ae6e89
9. 0x9c71a6e98ca28d56509d20c850d51f9075beb870967b3a5db3715d72c5c2b67e
10. 0x869cfc19acb046c681569e632d717ff85eccef895a5afb2ef75a1ff92f60e092
11. 0x3f7489e162e8013df5c545a201cd57226d2496191723eaa7409fd789df4fdbed
12. 0x06b79813a668927e85c33c3972f33b2fda07e8d0624efdc913d480e83e0f3be3
13. 0xb64de2d145ac698ef5d991de5140767a8317e68a92d3cf1c5d78e4f7977a0d21
14. 0xcd70da55bc68640bf37c238eb2dcd35a729f3a58d333a753be62a2aef7873850
15. 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7