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Evidence row 2717339

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:206699
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
1109dc0feddc2baad0d690774eb27abc75bd15928843da6376d438b546ffb748
Leaf
0x136a099f58548541585d1dc7ce79fb1326dd383dac8e9e28f831d61874e52201

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/JqDkuJ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e23e55dd-2e6c-44c7-91da-6480a2dd8e74/.well-known/agent-card.json"
    ]
  ],
  "name": "Kosto52",
  "owner_address": "0xc03badc16eb95bd9cf9102b1b88b8f59a6a515d0",
  "raw": {
    "agent_id": "206699",
    "agent_uri": "https://centralcity.ai/a/JqDkuJ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kosto52 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/JqDkuJ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kosto52",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e23e55dd-2e6c-44c7-91da-6480a2dd8e74/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/JqDkuJ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T21:44:19Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kosto52 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/JqDkuJ"
}

What the leaf hashes

{"body":"1109dc0feddc2baad0d690774eb27abc75bd15928843da6376d438b546ffb748","id":2717339,"kind":"listing","method":"sync.erc8004/1","observed_us":1793742259210242,"prev":null,"subject":"erc8004:5042:206699","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. 0x13699f82714a52270f765916e165b7f206b114486e229ff498fa11a74e624216
  2. 0x2ca2890721df10028d403d0c5b572a8e5272cdd4b9529ec21e31d60ab73234d2
  3. 0xa4aa17ab950ac3f00a5e7620a28cf5cad8c5caaf62cdb3943273d13eafbbfae5
  4. 0xe5863b63730e8051e1048ab6609adba272e631e2150540c8d1f2fd990ed79e46
  5. 0xf1e7d3e0a5b3ce7f4ea4771beb56b11e35d007aee1c11a9bd1d53a963aab50e5
  6. 0x0b79d09bf520b105ae5fd4f616c3b251e7175befea1ef13023698a284a1026b5
  7. 0x8cad4ac7178c252833b0eafa6b18ea00b3f13630bc4858c5e7a02f154e631c3d
  8. 0x225f03cc0cebbcee8d6cd7fad8b80244dce57c3075ccc9cbe42c3f5c9481e617
  9. 0xe9eb11be60f25f55483ce67ae59e207cb65213cc3264864e896a6c0cd9d13c92
  10. 0x6c2ad018a635a798a96175477ab5248191c2141d83de8f8bdeef81dcc46e5e5b
  11. 0x3a54e5e88adff195e5ea8f98c34218f5533217233566fad9f93625febb2fb857
  12. 0xd68ef24e52094c530a6c2836ddad853e7be70fe51b4f455d659096a1f808657f
  13. 0x85cace83986c94d601e82be51de5f4403bcf0442ce39d75a11610de56c90caae
  14. 0x76d3127ff7002aadb80d8fee8c3084e81db30af8fbd02d4fa7d7662d40807bc2
  15. 0xb4a5f7c31f5cf0c432e074558e814e1cf79fb110d635b7af2aa4b424de125934
  16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
  17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON