addrbookFor publishers
← The evidence ledger

Evidence row 2729704

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:212536
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
71025ca38c0a9aad556c8c0393dd40f6c03234ba9fa30a85c5fb1a56bea03975
Leaf
0x50f926f9fe81019d83225b0a7ab46ed9984fc7b3937e295ab97b2c63a8178335

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/KF9aMV"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/292fc6ea-eec9-4b14-99c4-185d3bc29e76/.well-known/agent-card.json"
    ]
  ],
  "name": "Sizor",
  "owner_address": "0xa3583ffcf0829c9780a657d18e5d4db4130905ff",
  "raw": {
    "agent_id": "212536",
    "agent_uri": "https://centralcity.ai/a/KF9aMV",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sizor 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/KF9aMV",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sizor",
      "registrations": [
        {
          "agentId": 212536,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/292fc6ea-eec9-4b14-99c4-185d3bc29e76/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/KF9aMV",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793749569,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:47:56Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sizor 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/KF9aMV"
}

What the leaf hashes

{"body":"71025ca38c0a9aad556c8c0393dd40f6c03234ba9fa30a85c5fb1a56bea03975","id":2729704,"kind":"listing","method":"sync.erc8004/1","observed_us":1793749676538939,"prev":null,"subject":"erc8004:5042:212536","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. 0x50f8ffdd3b785282ca554c4ad5d2222a7fa9a391538d842cd134bee50490f79e
  2. 0xa7e81e20faec41c2faf4cdbc189a9e28d6804321b01d6927ee2d0c07348cf8f2
  3. 0x187688bd28fb50d924f75ab88caee7e084ea143463be6a80f5494b4a12234e7c
  4. 0xfc29e412693c1b842f2bba6c3170f1c7d239b1a50341a85fe28e7c7d438fbcbc
  5. 0xe8aacd158e597013b1033f7e85c55fd922ed6ee3abdd0cf0d6c0a5eb5c2a950f
  6. 0x58dac356d64c2dce22267be7dab5d334dcf922690f8a2b7cf6156c75562984d7
  7. 0xd0e720c26715d2a3bacc99519b7ef11aa319994f5d591882b8c721e4d2ad51fd
  8. 0xf9f5c21b1cff34437d3dd6e81c7d735f28eeb0a026a97661101bcb0f49386b15
  9. 0xf480fe56ebbd03dd0448e961a559ab34a79cfcb7d42567ca58aa886b0c18042a
  10. 0x283e10f41b06d325f58d694af998dd93bae0b294594bb6a777e1cb8f34b86620
  11. 0xe4f083b851a52131508ff36b467574b2481901b815ca2e6b3e6affb3eb418349
  12. 0x962accc532b8bb0d6c9cac258a25ac9d23aa091875ae918d830b485f55c7adc3
  13. 0x94187c120b8099d2990297ee88e8eb9a21573805f8105e5ec8b85c062f211c25
  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