addrbookFor publishers
← The evidence ledger

Evidence row 2729307

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:212372
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
22509a2b69748f3b76da69d8b86e30d7bf0864cd6861f03a6f5af7a736b16c7f
Leaf
0x9b5b9c3d83ca79acfd1c1561d9fb92dc06518ec4ddcaacf515d9983683609a1e

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/syiKeZ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f94c2763-f153-4639-95b4-98685e44d291/.well-known/agent-card.json"
    ]
  ],
  "name": "Zassino",
  "owner_address": "0xa7e4b41ac6a11fe9656df76a31c40d392a068740",
  "raw": {
    "agent_id": "212372",
    "agent_uri": "https://centralcity.ai/a/syiKeZ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Zassino 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/syiKeZ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Zassino",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f94c2763-f153-4639-95b4-98685e44d291/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/syiKeZ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:42:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Zassino 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/syiKeZ"
}

What the leaf hashes

{"body":"22509a2b69748f3b76da69d8b86e30d7bf0864cd6861f03a6f5af7a736b16c7f","id":2729307,"kind":"listing","method":"sync.erc8004/1","observed_us":1793749340346753,"prev":null,"subject":"erc8004:5042:212372","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. 0x9b5b773e352a6be0eb986eef7fd8a1ca799cb78384623a3ae8b41ad0f6dde3d0
  2. 0x5ed87523329634c2b21bdd5eb30a5120e1955452d18396e45d1d57854b052f0b
  3. 0xa4b03319b22ba354b84641ef0db5cb0051d2ddab366a763ef7728eee2fac62e4
  4. 0x94c1305978cb62dad9a512853b3ec24401a642cbe7dc2467cb61085f94c5c33d
  5. 0xac59bc2a8901cdc21613d1095ac9a726cea4b493e563d838103061dbb6a504e5
  6. 0xa3c1daf4afa444db0b3f4ebe353d3ba860754009963ea9663d2c75032ee2eeed
  7. 0xa3e27698d57f0d9f571eab42ad4dca55964463272b319b9d74585d40215130af
  8. 0x5d4ede5abd73df0d83b6750fb70752eb30e73ab681ec6a88bc8c6521c37d8394
  9. 0x7211beb376b25d46389b9d44922a6e1c09fe970cc0f3255c473c310f60b3c3d0
  10. 0x901abaf7bb88b5e5b574d1a5c10e7911fa3b735b9f32872b241e58d13f6b4029
  11. 0x49353df77fd936722b60a60f46dc78af185d071612f24745961173107c3a412c
  12. 0x01a39cb28b808d85971fcc74d2372f11a8f09a2d041f514d0f30ae5795e97342
  13. 0x047541275fbded65ddbf146d04bc8eb09e9b534f8e8c3e57ae4e8bfffd8bcb21
  14. 0x7657cb1e96189305f3276517cf3716f7cacdef06e4b876b60d2c0bd8b60fda96
  15. 0xbdd3407977f70b26d0af6e874d984fe982a78bf95057b70049009db10e525ebc
  16. 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
  17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON