Evidence row 2556274

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/3WeYI5"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/40c219e1-3d7b-48ad-848c-deb512d855a3/.well-known/agent-card.json"
    ]
  ],
  "name": "Kausis",
  "owner_address": "0x1583f36318a64cf5074b6c3b9cd9cba99c5d99cf",
  "raw": {
    "agent_id": "171345",
    "agent_uri": "https://centralcity.ai/a/3WeYI5",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kausis 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/3WeYI5",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kausis",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/40c219e1-3d7b-48ad-848c-deb512d855a3/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/3WeYI5",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:51:46Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kausis 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/3WeYI5"
}

What the leaf hashes

{"body":"6ded312b098cb4f996255d298486a8e6926b9193aff8d6437e41b36806584c12","id":2556274,"kind":"listing","method":"sync.erc8004/1","observed_us":1793695906358489,"prev":null,"subject":"erc8004:5042:171345","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. 0x899113529e14014f0e59e0c5a435ac3a4a3337a6d29051064b022f2754ed3ab4
2. 0xa0186cc26680cb786afb2a9207a6b364e1a5c6fa38e29b18fe42bd1f1fec159f
3. 0x9fd166efbda968c54c01ed03d396bf9a28c83c89c8ae934bd61160dae6ca5754
4. 0xadf29bb3682672edad16c553ceb410d47cda3c52e0dfb52fb43d2374fa7d0efa
5. 0x3b165274aaabe199a14391ae001db15c2e6da3686670a042e9bbc9dfe63c3f87
6. 0xc319461e0572a45620f3b7caa89ae6f8edadb3359022cb8c4341d65c77026234
7. 0x797d8fdce9f83d879515ec56164db3292c880826157437f181a23487bfc9e5ee
8. 0xbdc73b280b90abf7b128990ab40e1a15880d23a5b04e217ff9b9af2cf689942b
9. 0x1b8e7623636c5fce64949c49d71075c88832efa59ed561d9fa17c4b3b545e125
10. 0x1a0b4939e0df455933e32a30ded521639b791536dd50aaa77603a80e12e1802d
11. 0x8ef0574986e6a7668eaf661d6c84e2b2580f4675aa4ed3d6e8e8db0f0ffe676e
12. 0x344740b8b895d018533c0dac6293c6a30ea11da13c6fe385357667909d6308cb
13. 0xf7c67c96024b4a69e763701d06d6e4b51458c1259af3b5d0a9d5873b55301b3a
14. 0x2c7b214378c568c43cd230b3af22d5b7530813ac1c6dd11bb8169f29d025bb3d
15. 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7