addrbookFor publishers
← The evidence ledger

Evidence row 3148108

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:306858
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
16c53abc847a93dc58f9d86a0a6d163d65243d759a54b0814fe4b56803a6b219
Leaf
0x5570804e289bbd774f04e74b315b7ab9b9f1f62469be3ca02739d62a29940f35

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/kKGZ1i"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c6636899-c069-4b31-9860-e8910e44b141/.well-known/agent-card.json"
    ]
  ],
  "name": "Gerkabert",
  "owner_address": "0x901687aa35b730b627670a97c1db8726590335a8",
  "raw": {
    "agent_id": "306858",
    "agent_uri": "https://centralcity.ai/a/kKGZ1i",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gerkabert 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/kKGZ1i",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gerkabert",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c6636899-c069-4b31-9860-e8910e44b141/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/kKGZ1i",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T23:08:19Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gerkabert 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/kKGZ1i"
}

What the leaf hashes

{"body":"16c53abc847a93dc58f9d86a0a6d163d65243d759a54b0814fe4b56803a6b219","id":3148108,"kind":"listing","method":"sync.erc8004/1","observed_us":1793833699097609,"prev":null,"subject":"erc8004:5042:306858","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0x5570232b3472d64d7f4901c1acfc6450fd522d9ce6197a946c8b2a772f945eaa
  2. 0xc53779731fdc98042da1a73add337eacdcd7f04eda61126d1ec746c18e7c0c80
  3. 0x94abcd4110fe4bd2f4b13429ada30dab7c604714d950e4d97dd18b97d766f689
  4. 0xb55344ea1af2735a46df9be402c58cfd39091861a164ada9787b6d96fa019a8d
  5. 0x04542ea0c21d1716e20448daf87775fb656e235c59671e11ea039b091c93a713
  6. 0x9b444fbb33e4e045d3fc5ce17604f8b59c5fdb9cc5124f6988d1a80feaafdca6
  7. 0x0090b8aa1b4b9177e567402b9737bdaf095ec0814e9160e37243da1f96bbb29a
  8. 0x216cb12b515d080c71d6bd48c0edfbdfa11f5bdd1e801b50d0aaa354034e266f
  9. 0xa2ea37d95eb998800f8c345a0889855233d64f14e31c007c1085fc71990dbf9e
  10. 0x301c029fc2f30b6e3febb614a034458789ce3278fdf27797d0ea5ab8d26eb9fc
  11. 0xfc8e0377cb958f4b0d51e71466a75a761acb290ca5236b3141a47689c76113e6
  12. 0x651d9e02c5089a47037088451e24c75b31adaa66de71ee6ca2a6158dc349c954
  13. 0x25b96705a142850eff0972ae0f386c94b33cf1b07b197a6f4cae11e35e14d3a8
  14. 0xfcbe70e6806bc5e74c59372e42042f8b6a3a2290fd0287c7191d5427d1ed1efc
  15. 0x5d251e883c0069357a22831cebb319c52fe5f04a17c550ecf0dee07b97adf218
  16. 0x5c295f44fee7844fe001921189101c73d5ab26f05805bf5587a5f0e5ee351912
  17. 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
  18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON