Evidence row 1836037

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/hpp6to"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/44965825-6e4f-4375-ac67-d4a0a837f6cb/.well-known/agent-card.json"
    ]
  ],
  "name": "Biodan",
  "owner_address": "0xbc069c06a247fd1d727e22640bc0a14426d9fed5",
  "raw": {
    "agent_id": "32169",
    "agent_uri": "https://centralcity.ai/a/hpp6to",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biodan 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/hpp6to",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biodan",
      "registrations": [
        {
          "agentId": 32169,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/44965825-6e4f-4375-ac67-d4a0a837f6cb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/hpp6to",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793571108,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:17:54Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biodan 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/hpp6to"
}

What the leaf hashes

{"body":"08a0cb316b3cbe06a1d78307771419cd710795431f11df4abe79840faa0bdbe4","id":1836037,"kind":"listing","method":"sync.erc8004/1","observed_us":1793571474344210,"prev":1835635,"subject":"erc8004:5042:32169","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x1a5cc9ee84009a293ce74ec601146db31409a730ee39e0628b6db81537c861fc
2. 0xbb2e00b43b8c691c3fe59189fe2688a7399449582d8582b7c22e4ae5817f696f
3. 0x2522ecea4a0684bb81e58d504069bd4d78fd863fda45d9eb8608d4791fcf2eec
4. 0xdc57375cd265f168f20d85f52e59dfb3a10dc3fd35c60d076d13b841130c1b80
5. 0x9fd728220226c9286b7bbbe95a174aa076ce9a744954f227471b3b4c0326b969
6. 0x7afd5e5f9c67d6cb85e5140d5da05abb7a17d224c43d231866f697e19ea9099c
7. 0x54ea9b6b814f183f3094aab3005efae65d27a3e38103a1922803babeae49b74f
8. 0x4c191de5da0f74d7d33900435b4b1a5b92ea4e3842be3b29e8f38b993a1fb171
9. 0x46ce926b2c533c9d7a7aff804671f53f9a677a7858216983d9e44bedd9fbe11d
10. 0x3cc1af59327f17f64f13bc4adc879243c35cd8a06c0d5b73878599044a544a1c
11. 0xeb8c44a8d8d5ba6e8e5c6860d430cc93e9891b4321bc72c5cec29f3c96a934fd
12. 0x57d88367ee180afa29761a07ed31b3a7c30cf755867eb29b4aa502db53e71e88
13. 0xe932a6d750c9158a9531e23362139f67f1dcf32cd64229987581f24d7a22fe71
14. 0xa4d26e861503b80bb91bc89e98fcc6daf0fcf003f5a144540ccd91637ccdc11f
15. 0xf1aed005f71411c0df252d9623f284bcac7de199e24c4d4cd5df3e8d3348d3aa
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90