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Evidence row 2545271

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:165813
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
3cb86663de7dbd92156ca9ed038ecf200f11fc197652eaa2d45a0e36ab2eb041
Leaf
0x5311a206cfa7cae1488031ec8e3ca77d6c39bf9b55ce48c0e767cd38ae2c7887

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BzCv2N"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/54e4ebe3-a297-4925-b193-df2fd7ec72d7/.well-known/agent-card.json"
    ]
  ],
  "name": "Brefis",
  "owner_address": "0x4c7a45ead845f81e64874940f18b26869398cfc4",
  "raw": {
    "agent_id": "165813",
    "agent_uri": "https://centralcity.ai/a/BzCv2N",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brefis 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/BzCv2N",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brefis",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/54e4ebe3-a297-4925-b193-df2fd7ec72d7/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BzCv2N",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:09:03Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brefis 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/BzCv2N"
}

What the leaf hashes

{"body":"3cb86663de7dbd92156ca9ed038ecf200f11fc197652eaa2d45a0e36ab2eb041","id":2545271,"kind":"listing","method":"sync.erc8004/1","observed_us":1793689743344079,"prev":null,"subject":"erc8004:5042:165813","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0x53117de76d506c443441d7e9963ee439ecbd3705b3ff3a10eafe25cf7d16d3e3
  2. 0xbc34ab94bf67ceaccf19b1c0efced21b0a71ad58041f76899cb7556e0cdbfd57
  3. 0x3d739eecb188f931e6121963ec51b448a44e164f3f23de955bc28c2091f2696c
  4. 0x76e0dc35bec1d54436369bb53cf14d98f76d57eaa2a5186b1914a2086e595ee1
  5. 0x019bf9d7158edbc3fee511729632fe10c58af96d56e35cbfec738dbeb113e6e5
  6. 0x49b29b059851954977ff856d75531ec8aafbd55197f06cc61ab30f98fc2bba6e
  7. 0x700c9fa278eac40639e90614c12fe0df66e1de1f6358116d37a7e1c8076c6d8f
  8. 0x78e4a5b961567b9b516f6ab60963ca48d2ef9aad4ed4949e3daac2b046b138b5
  9. 0x9210eeafb0f40e18130de414de17cb5e6dd07054a2511403562e700a8bc92437
  10. 0x3562c65f061207c9ec40ac8a3fb726eb54401fd661f194f2588d003e28637fdc
  11. 0x1d38193c7b196eb1561bc8ec597d719b38386c88790286875e94548eb095b3de
  12. 0x1626b574f4a54a8b5d86d9eb4a3d6bf5f30e8a03cc0eed3de317caf81bd2527d
  13. 0xda890c866fee416acf3ff2be58beb7a0c492529b5dfac161cafa4d4b110f5f9b
  14. 0x4b9907277e91efb1f7d9761806af6ae068cc26782473322e3d536248ba73fc2e
  15. 0xda5db54125314643afd2553cc06bcc66d4fe0ce60c8998f4ce0b19c465813b51
  16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
  17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON