addrbookFor publishers
← The evidence ledger

Evidence row 2551157

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:168747
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
52ee41e7ab0b01e78537d0e4afeabd84a924cd11bce7cd3b4a59a49833a5b517
Leaf
0x051e7e2a2155a8f5b8161bd1ec81a1254fc34ae143b876c739cdf9610f4f57bb

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/hfFfYx"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9a75f938-e2ae-4c25-acaf-be2f45fec2fa/.well-known/agent-card.json"
    ]
  ],
  "name": "Greisseon",
  "owner_address": "0x9186a664af80e2946f42c503f3eeffdc13e0ea10",
  "raw": {
    "agent_id": "168747",
    "agent_uri": "https://centralcity.ai/a/hfFfYx",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Greisseon 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/hfFfYx",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Greisseon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9a75f938-e2ae-4c25-acaf-be2f45fec2fa/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/hfFfYx",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:01:13Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Greisseon 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/hfFfYx"
}

What the leaf hashes

{"body":"52ee41e7ab0b01e78537d0e4afeabd84a924cd11bce7cd3b4a59a49833a5b517","id":2551157,"kind":"listing","method":"sync.erc8004/1","observed_us":1793692873551146,"prev":null,"subject":"erc8004:5042:168747","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. 0x051ed71e06df3fe790e9991a7773d096499bedac11ac155ac003ce9af1f8ee18
  2. 0x8fcc3d18152766d5e3ddf14467edc50e7082087461fa830602b58d0bf79b2577
  3. 0x66c9c2460e1be48e75a5ee00577b8d12292c35474ee071b10f30db3eeeeb267a
  4. 0x54dde9fe1cdc6b9a1d5f08b2285b5d0ed0acae0bd614255bd00d29e2c98446f6
  5. 0xf0f61f506b6eb92a82f7a12673e742d8c95ed4bf21fb999ff795dbd4b4922b57
  6. 0x035144a785b9fef829771ba5a77c602d831487e646bfbcdc6f8e085625970735
  7. 0x05142c2ec557addf937ee66f90007b350a5ad8adc02304000d0e3784f4bf77a8
  8. 0x467fab6b767a6584cfe2c70a1d92c74e73c50341a493cb4e5a15b4615f5d4b0d
  9. 0xcfd9229bc8d81ead349c23fc58db031a8ee410506f4762f73787cb7f4ac5b977
  10. 0x76e416511aa537704f8f9c8a23838821a68d0e1c446da3df37b3ff340f6ba29b
  11. 0x3f7a0198e1edd23b9295e59c4d7dd0440c45db1eda73308bfb51ae5d0394ccdb
  12. 0x6d9a0af62b00211dd87ca8c637ebeef6b09b59ec113f79cc830ba6834160683a
  13. 0x4e70d4f3d8061ba1880699efd21e122cab4e2a786faff4a0cdc4700d17a75055
  14. 0x93ab7dcb2777a66a8864a3266602159fa29a49683bf095a1ec2a005ab2d78703
  15. 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
  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