Evidence row 2711885

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yVbuyk"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b94dbbde-2b7b-4c01-8530-da1abb47c8c0/.well-known/agent-card.json"
    ]
  ],
  "name": "Hufino",
  "owner_address": "0x7340df1a2bfbe66af0f60dd07266198c797f4506",
  "raw": {
    "agent_id": "204206",
    "agent_uri": "https://centralcity.ai/a/yVbuyk",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hufino 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/yVbuyk",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hufino",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b94dbbde-2b7b-4c01-8530-da1abb47c8c0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yVbuyk",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T20:47:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hufino 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/yVbuyk"
}

What the leaf hashes

{"body":"ed2b245e5e1f8370e069a56e877d39ef0399f7f1e9c02ec1dfe58a12db0945ee","id":2711885,"kind":"listing","method":"sync.erc8004/1","observed_us":1793738880000398,"prev":null,"subject":"erc8004:5042:204206","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. 0xabfb5e1f82125552ff9bbbcd1be207804872862a416895667e9b14e9732518df
2. 0xe5297e5f6707c544978bfbd1a3db7968cb682b938450f2110aa89fb5115deb79
3. 0x850b2854fdbb7a9a2f832dc96253c34a6958639a4f86226703383372005d6cd2
4. 0x058a074c23595a1549070e85adc2f9319702cee8f0f9fd2cb13f9f6e1bfa7804
5. 0x92d98154172b5f95d19de43b4304d22745cf1d24cadfb877b13a607667b7308e
6. 0xfef63e7513dd80351740c0ed124113501e9ecfd31d1365b8288f8db68c0f7d0f
7. 0x36c83fa99768e8208e55f57e07ef680cf3a1677150536e8d8c4a538f74351198
8. 0xd1d14e0a4b0dce3331082dfc964af37633f9cf7378e078c57a6851d9578dde28
9. 0x7c438706122b393df5238f425c821600dd01adcc3f3cc214ede5f46573d0a5d5
10. 0x6e558e843ee1bf95614850035f6ca199fa90fa433e3f59ac52be7230a68682cf
11. 0x4230524a0901938290688dea5ff853117ad60b5276e9b09adaef52c187c72884
12. 0x138248d1e7bf0233ba8d41e0b3cd3b7128955bb5ba10a8f2901dd2675ef71d04
13. 0xa18f5d0a554eb5516046cf11a05b66ca3d94bc092e8cf210be6246477c4f0d08
14. 0x0ca6f7cbe9f26e47db97b53988aa24d0ac07d16b5a4d91abf869814d4d297de9
15. 0xa538822e863ef8366c4eb66bf75faf8a639aa1f066f65f7444fa54d54d48ec53
16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7