addrbookFor publishers
← The evidence ledger

Evidence row 2707261

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:201949
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
5be471c22733b89c0f56d3e8189fa9ebd71505f55176a59e3c0dfb7cd6bd87e9
Leaf
0x97f6e83ce2dd4a2a31ad3e0f61b4a8c7b7be59463a87ec2f05124f4ffc65865d

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/VYhfIF"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/71c66a7a-9be5-447f-98cd-9883a7040e0e/.well-known/agent-card.json"
    ]
  ],
  "name": "Femik",
  "owner_address": "0x163d43ba604279af8d7673b48f57aa24d59bc4f6",
  "raw": {
    "agent_id": "201949",
    "agent_uri": "https://centralcity.ai/a/VYhfIF",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Femik 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/VYhfIF",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Femik",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/71c66a7a-9be5-447f-98cd-9883a7040e0e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/VYhfIF",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T19:57:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Femik 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/VYhfIF"
}

What the leaf hashes

{"body":"5be471c22733b89c0f56d3e8189fa9ebd71505f55176a59e3c0dfb7cd6bd87e9","id":2707261,"kind":"listing","method":"sync.erc8004/1","observed_us":1793735863620966,"prev":null,"subject":"erc8004:5042:201949","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. 0x97f6d33c254339aee0d34bc8df65ece1618059188322abe59d693e0f730d8a2e
  2. 0x2e9ca8b194e4f7ed1481ac776f0bbdfdd26a5488a6e375cff70133387b322155
  3. 0x70b5f4fc47564e24fb6bfda2b3613c63e9cbab8ef831f9cf6bbef666fe5dad5c
  4. 0x8c31bcdca59800e457112d65b08ba9f555e94fd67639054c997d58ebf07fb5fb
  5. 0x5f7845d28a6d238a8721a8c45fe4e09d4840bc8b2b047f5595834e290a596316
  6. 0x720dd4fb46627dc106ca002ca5083e544013a7189c71ca976cde2aa2a0ab7c84
  7. 0x0df86f677fc1a6496f120c8dc9edcd0349d44afdfea6028fac5e1f5c64511c48
  8. 0x9708b2b61a959de36ef4dd2b2cdbff464246b895d4e58c0df93e2848a1839a0c
  9. 0x477ca6036b39023b0b3a0e5648332e8850f30766a3505ae1b7ca26f12e38ef55
  10. 0x275afcf4435c3dc2c52dd6d672cb6ee4c1521535af65a26973c3c4c58c55ca03
  11. 0x4072f38b8206c6ffbd71373f09aa720fcb9ac8bac68840b494927c992ee186a8
  12. 0x38e30133f1f1bb0f8f512518218685d75c10b05442f62b96bba47f2441bde04c
  13. 0x5eb4d2842bc51d57ca080aa4dc7186ed88f6167e2072cde9ff9c592fc09f16cb
  14. 0x5c9ae28a0518d4809ee022d01782eecea78011098dc22bdff483a2aa8a023b62
  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