addrbookFor publishers
← The evidence ledger

Evidence row 2621396

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:198443
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
ac47c4a7d7a418701909fe7761de8fb6cfb4ec10bc73b01f6a246b9271fb9bae
Leaf
0x38cbca4dd7bf1d9a21b315ee50d09d77a072400ca8bf608335cca3a4774218be

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yEKZu5"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c8921c72-55a6-44cf-ab31-b5a9280d30e5/.well-known/agent-card.json"
    ]
  ],
  "name": "Piosso2",
  "owner_address": "0x60b3ed9a50fecfc7c4ebe40a14320fc6f5ad2e47",
  "raw": {
    "agent_id": "198443",
    "agent_uri": "https://centralcity.ai/a/yEKZu5",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Piosso2 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/yEKZu5",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Piosso2",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c8921c72-55a6-44cf-ab31-b5a9280d30e5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yEKZu5",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T18:08:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Piosso2 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/yEKZu5"
}

What the leaf hashes

{"body":"ac47c4a7d7a418701909fe7761de8fb6cfb4ec10bc73b01f6a246b9271fb9bae","id":2621396,"kind":"listing","method":"sync.erc8004/1","observed_us":1793729311214629,"prev":null,"subject":"erc8004:5042:198443","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. 0x38cc03d59cd268cc62933603bcc8e8b5fe32ccad5084e279801f346a4655c365
  2. 0x96312e73b75b76e2ef6da9159bd253617cd3eedb5f576aac1a136c75c3edca74
  3. 0x653358738ef0d07d56ec9a69c93caad25ad46486b26775be1a68d39d9b81d1fb
  4. 0x86ced4128e9d63293cbba1642f00e95f43cc200541c670c240cc8de078977a92
  5. 0x9aecc70df45566889c835162d17a3b7d217b5195b915032a8ab012f2dab4b576
  6. 0x7edd5c1386192cce1a63fd3bb80b20c68805093545b3621b0dcd08274b3a9223
  7. 0x58d64ebc470b1d30f5b11fb8139ad45f91833b4de4094b9966e7ee338b43caf2
  8. 0x3de4e81bdc95ababffe7231e9756cc45423d836f49b7992406e44a1a712ca5b1
  9. 0x4a2659811f558ed7d80d4ed3ac0af53d23b47bc9f3dbd3570b9e222ec2e650e5
  10. 0x1e2c67dcccb57af1f62c9fd6f16ab7b8bb1446a660006f5afb7308c51f1be845
  11. 0xfe90702be2b4dc29e6f3018751ac41b40b9688d02a21797c59715ea0cf4f6a19
  12. 0x68b28488a5f1206d54658e4c56356c8dac4c799719ceeac59b9b83cd42375420
  13. 0x9ff0540c065d2c066aa07e30d42707c88f5f7729bc3c89880661802495922729
  14. 0x58aed1257fcd4ee1c84710e1858bdde1ba134c86ed73f1f35a7aeaeacd9398e4
  15. 0xb1fe1f6398b7faed977bc6cc75b0a8404ef5a6cb386ca30aebdb7450b7bb6dbe
  16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
  17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON