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Evidence row 3401899

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:333791
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
66e375e8e0fd4e2da30b0a25ecf30c472805c25d3c43382a5092efbf12482c75
Leaf
0xe687bd848cc034b322f87854f86bd0afcfeedd8cda9f212d5410b1aada3ff049

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/b1IzYZ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fbc9e252-04d0-4043-bc3c-65a686cf7d93/.well-known/agent-card.json"
    ]
  ],
  "name": "Semofan",
  "owner_address": "0x69374e8b36851827ae7455702c6622aee7e6958e",
  "raw": {
    "agent_id": "333791",
    "agent_uri": "https://centralcity.ai/a/b1IzYZ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Semofan 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/b1IzYZ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Semofan",
      "registrations": [
        {
          "agentId": 333791,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fbc9e252-04d0-4043-bc3c-65a686cf7d93/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/b1IzYZ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793882558,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T12:47:44Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Semofan 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/b1IzYZ"
}

What the leaf hashes

{"body":"66e375e8e0fd4e2da30b0a25ecf30c472805c25d3c43382a5092efbf12482c75","id":3401899,"kind":"listing","method":"sync.erc8004/1","observed_us":1793882864915629,"prev":null,"subject":"erc8004:5042:333791","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).

  1. 0xe687c51ac8246a2ea9655f9eb78e73583b9dbd53c0c9394d7e4ab77d827d498a
  2. 0x8a25ae7ac151a3cc357e188e278da0b4e4a2e5e8df6deebbb576b6b8df01be1d
  3. 0x8b47d1948f77e107cd3b50c937346f85ad0c1b4fa29b643af84ef500f2bcdf03
  4. 0xa7e42e32a7962705029931c194b9aec893045de046d3fff84dee506ebf55ab7e
  5. 0xa71942b026dfd3267fb95ceece2771b8b08fd57048889a04dcc8aa2bcea99897
  6. 0xcd4bb1e9d75400fcc89dc39429ba23795ca5408ebbb24a1d250f7197e5cb4bb2
  7. 0x4f08c7a8b70580fe1d034586883ceaf7e2742c75a2e46676e815941b525be4ae
  8. 0x3ce66192da87aeab318991b464bec57c87d9bfd439cd9f352b329ce3abfc0c0a
  9. 0xb7e0eabee79f2fef4ad26cc2c1c9efb500839cb3f2a8de64a6742a4cdf203930
  10. 0x8a79ce5d42a283c0f68b9d6e25500f83b6178e57757fbd836c0eeb7d9974a944
  11. 0xcc05afdd8a1b5f4261c2ceb435dd7254629cc1cf9358ff778ece8edbea72bff4
  12. 0xbf9f707e86df9ba911f5a768b78d2fcc1a6cf8d04baf876b56e5f01ac9d3980d
  13. 0xcc057bccb3ff7dfdd207a295697da838a4297a36bd5341cedcac4a9e7bf8f7b8
  14. 0x541b1a8c30ddf11073cc1260fda10cc5489dc4a22cfd9742e0f2f43db5f207c2
  15. 0xb5004928d173812cab4255917f4c361aae718a32a8e6208a7de15d84417a441d
  16. 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
  17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON