Evidence row 2620918

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/YmvDfy"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3c7353b0-a9da-4aad-b6ed-625d1592dc14/.well-known/agent-card.json"
    ]
  ],
  "name": "Hiovenose",
  "owner_address": "0x086c7ff2d5ca222396c0c1eb8d882a01f98bc02e",
  "raw": {
    "agent_id": "198203",
    "agent_uri": "https://centralcity.ai/a/YmvDfy",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hiovenose 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/YmvDfy",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hiovenose",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3c7353b0-a9da-4aad-b6ed-625d1592dc14/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/YmvDfy",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T18:02:55Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hiovenose 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/YmvDfy"
}

What the leaf hashes

{"body":"da84b1884503eead6ce0342d5f1027d638a1913dbd94ee4cc6c52ce823248554","id":2620918,"kind":"listing","method":"sync.erc8004/1","observed_us":1793728975099290,"prev":null,"subject":"erc8004:5042:198203","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. 0x832fa90a26c12ecdefe78e0119efe17bebe07ace98c5ada523b783964509aa5c
2. 0x6b8f028b908008c0b86c74c207947a4af5e747e0ff67d70b85388277394b51c6
3. 0xbf09bce566062d261fa9ae0ca13353109de1164413fa41dbd97dea716ca5f441
4. 0x3c984d3ba139d2863f562e21b3f707d858a54aeeaf7219492505acce394dc2ce
5. 0x032a486b2bf3fe9bc66ec959f0f3c4b2266b6d26c7055bd3b6518ae8142e8358
6. 0x613623f17fa55e86ffa9de4b66b2930f01ac2e05fae017800918d3ff1584ad6c
7. 0x0134f6eb7185b8e57b520eada402f09e38a29480303d432e12111784f0c9219d
8. 0xb18dd6d7a4bbfa75af430927eea810688d7af6ead2b000a5ac7f4086dabd5be5
9. 0x3d467fed559b8e09e9305e451f5a86179421741a7c78eaa73e94f78758fb6c23
10. 0x46bcf664a62f467e7abad52e449f5e7f065acedaadb873cf10b803312e361347
11. 0x1f220fece15b15879a7e1ad5e8cb51abf7e8d63ba0106281b0cf3e240e1be460
12. 0x309576acb6947379790a6ba6d95e16f9963844fa5ad432e6da539debb5405a03
13. 0x4c1bb7805c28c99914212233f31f3f9b3d39ed6d0209166fbe8eb2e894fc9168
14. 0xbee84d3e599fe34053b7031286879fa3c8cfb9cc2a5d0992b542033701205b5a
15. 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7