addrbookFor publishers
← The evidence ledger

Evidence row 2290040

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:137538
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
aa4e57d90dfc8f073da54758bfdeee399927ab872ab3e9d67e3400d9d1f7be6d
Leaf
0x64c01dc6eff4d932cc03d64d1e521686ca3eb66f7e368ec314a5d074dd7fdd94

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Zng1Wt"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/17c6be49-957d-4102-ac73-193e246797db/.well-known/agent-card.json"
    ]
  ],
  "name": "Klabel",
  "owner_address": "0x425f18cae1ec0865a5fa750fb9447ee20cfa53a4",
  "raw": {
    "agent_id": "137538",
    "agent_uri": "https://centralcity.ai/a/Zng1Wt",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klabel 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/Zng1Wt",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klabel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/17c6be49-957d-4102-ac73-193e246797db/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Zng1Wt",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T22:14:37Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klabel 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/Zng1Wt"
}

What the leaf hashes

{"body":"aa4e57d90dfc8f073da54758bfdeee399927ab872ab3e9d67e3400d9d1f7be6d","id":2290040,"kind":"listing","method":"sync.erc8004/1","observed_us":1793657677135849,"prev":null,"subject":"erc8004:5042:137538","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0x64c00bc155bf89005d082f24d893006f9915caceaa3e88b8e4ac4ecca94bc2a3
  2. 0x648712a25cd1342a47110d65567dc51ba36f668872d43f14ee8b6cfb8ea65d63
  3. 0x96695fa3da22ebe9e56eae8387050df5ec514d9386d44fda11ea4ae26c612849
  4. 0x4d9517f64dd5cfac83d3ae873b6f6962d3bf04f9b89eb49b7363a1f4aeba9dc3
  5. 0xc870ff3b5790066bee766c22cfa5b52292ff532a4f0109f482e4984596c41fd4
  6. 0x7e7d844b874f91f6429886449963e4e4dac7b074f907894397be1304b29957e3
  7. 0x7b288851ec1492f48a5db5b9993450c4b66433e2d01fd66be2a6b753d396646b
  8. 0x24dfb815ac54d68c47314e54402f312c81d9e0518c3386bfce1cae80c0a8feb1
  9. 0x6bd04168eb36832d3aaf6293e87e3c97af85c810afa5b501c4873bd5c294a9e5
  10. 0x398cbad755ff5ec09fa54f88504edbfa240f2a1fcc5600eb981b1ac39a528c32
  11. 0xc22bf8dda2573f79919e43ad45faca4e4dcdf9985489ec15be1a40d2b0860312
  12. 0xfb198b5e9ed6a30d23cc6c63e240376a59838835d128c19ba80c223b34685b35
  13. 0x43843187ed08d9e521651cb9dfff6531be94049b43e391bab5e05b93fc4383d3
  14. 0xfb5ea8fd7d0c463ff98fdc93228854845802421c0e3865536227edf756498fcd
  15. 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
  16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
  17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON