addrbookFor publishers
← The evidence ledger

Evidence row 2537677

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:162672
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
9e6427c52b99fba6da753e902e2053fcbf03cc2a8dfaf91b531ea2c97b6fcdcc
Leaf
0xe320683295c46400c115d446afd22692b6b01b8491ca9d64bd14f9841ea29b9a

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/DuHfJD"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/61e5fa8b-45d0-4d89-9dea-1b8ff3d5bd18/.well-known/agent-card.json"
    ]
  ],
  "name": "Koset",
  "owner_address": "0x7c9ba419f78eebed6902dc81bd9b28f370b354cc",
  "raw": {
    "agent_id": "162672",
    "agent_uri": "https://centralcity.ai/a/DuHfJD",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Koset 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/DuHfJD",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Koset",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/61e5fa8b-45d0-4d89-9dea-1b8ff3d5bd18/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/DuHfJD",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T06:06:57Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Koset 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/DuHfJD"
}

What the leaf hashes

{"body":"9e6427c52b99fba6da753e902e2053fcbf03cc2a8dfaf91b531ea2c97b6fcdcc","id":2537677,"kind":"listing","method":"sync.erc8004/1","observed_us":1793686017575189,"prev":null,"subject":"erc8004:5042:162672","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. 0xe3207b37996df643943f18e504659baa88130ef404118bfd6f56c1ccbbcb9563
  2. 0xc940636f2240f01324cff5951bf878332a40471250618b8e2aae1a55fe979c65
  3. 0xdaba820bf4751fdaa12ebcb1c68271ece86ba1dcbd249300f76384c5f5f60dd1
  4. 0x61225793488ba9e03c04967d443496e05e04b16d6d86079c98caa557d9a0d98f
  5. 0x7e845074bbc6ac9455ae735edd0f942de9cd31da6b65c520aa6723d9e3077cbe
  6. 0xca53d39b13be1d752580bac25dfd236a9291928856099f7f62fd94c73761bc9c
  7. 0xba0c47bdd62e0cf678f747314c4569bd9f434fa28223e248e2904deb8d8d98b4
  8. 0xc59e43db5e5df3986722b677efeee4a3d6f1e5dfd9f76e1968247e846921ea33
  9. 0x0c94d43aa5c3f87011e1aaff615432c8dc26f2b3053bc4c9763d461dba3d1f4c
  10. 0xb9798937a66b07de5d4f35ce30add401413218b5f26417c981bede26822251bd
  11. 0x83b2c43da2d813d7d92e14e03a7fffc0bd80de4241eb5dfbe655cb406848ac49
  12. 0x1e85eeff0090594fef36f580ea962087ff11dab20e05da2522c264c55fc70b6f
  13. 0x45ba4607b58bd503d8501bd96a0477f9bb52f44b7e9c7927ec982f240f262131
  14. 0x88002651b75eed5296ce4ff2e29616d59737fbfdbd4eb1747342b2df0368963a
  15. 0x006ca23845a42a2d7f3ffca485568321f0deef0a65ff45709711a78f8e68aa0f
  16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
  17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON