addrbookFor publishers
← The evidence ledger

Evidence row 2613014

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:194419
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
af941ccf18fde3e74189b27432b6e6b6be11bd3118fb7c315247ae854adfa03a
Leaf
0x7ef2652ea2060e270f1e74e6820de46eff843f685163f6a569e95c11727b21cd

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/xqskm6"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a0118229-4944-4d86-8f30-ac6510cb7612/.well-known/agent-card.json"
    ]
  ],
  "name": "Bialla",
  "owner_address": "0x5ccc1877abfc9edb6fa564f44f020c9ad612699b",
  "raw": {
    "agent_id": "194419",
    "agent_uri": "https://centralcity.ai/a/xqskm6",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Bialla 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/xqskm6",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Bialla",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a0118229-4944-4d86-8f30-ac6510cb7612/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/xqskm6",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T16:39:08Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Bialla 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/xqskm6"
}

What the leaf hashes

{"body":"af941ccf18fde3e74189b27432b6e6b6be11bd3118fb7c315247ae854adfa03a","id":2613014,"kind":"listing","method":"sync.erc8004/1","observed_us":1793723948122802,"prev":null,"subject":"erc8004:5042:194419","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. 0x7ef255766ad88e4d3aa4861c4e01c348ef58533623e86206b0224068367ac14a
  2. 0x7015e96b66dd1577e8f6d0f4229dde73970ba261954b85f49761aae5d89c25a1
  3. 0x92ab08ed028808021699f0067c1863294ffc76606a48634729ed7c1d1fc8a9f6
  4. 0xda6fdfb3371fd2a887e69cdbf34b2ec80455c982620c229a00defceb93d2a122
  5. 0x0c9418a38fdbae423373575e6826fadc88d468503a695ffb663c35e884153be6
  6. 0x3b14d41b145fd455f4ef270eb8574f3f696083ff2f8caee3796626cc6ff29a9d
  7. 0x47749231d4ada6121efda38a2907249c29fba62df5ba9a5cbb2d51c1dc0b89e4
  8. 0xb64bbe6e0e657cde313b5290d5920ecfdcc3f120b4cfbc54c911ec6371c65eb1
  9. 0x8a50d0ff5199c220fadc387a9e3d0896e80347c0423d5b8c6800c8539a2e0e87
  10. 0x737cb9282143ee08ac59fccd82ea3486c381b5dcdaed49e9a8a3a7b47b27350e
  11. 0x9f54fd0b64694af5fd15fbdeb617edaac44c3dcd250a9fb75f0f5decc63fde2f
  12. 0x930eab3f039c2992e8821910301a1630ca2633c67e5c9e31c301963fd4e0bc33
  13. 0xaf97729427bcb69cea84940a4617a9276209a9bb29e6047d69c9fa290978dcad
  14. 0xcd70da55bc68640bf37c238eb2dcd35a729f3a58d333a753be62a2aef7873850
  15. 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
  16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
  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