addrbookFor publishers
← The evidence ledger

Evidence row 2512505

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:153663
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a4cabfa93f844699e98ec66c8267f31bae057b4c05be8b9fb1ac15dbe5d56d65
Leaf
0xdb12b9a3072ea325879fad9ff936c2ae5aeedda449835f4d8b9ffe75de6f9d57

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/zcZn4L"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f985ea4a-6e64-4cf1-a305-42b4a3693206/.well-known/agent-card.json"
    ]
  ],
  "name": "Todeon",
  "owner_address": "0xfff2f2e67f7e2f3d9bb5d082a30eef7ee367ea47",
  "raw": {
    "agent_id": "153663",
    "agent_uri": "https://centralcity.ai/a/zcZn4L",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Todeon 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/zcZn4L",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Todeon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f985ea4a-6e64-4cf1-a305-42b4a3693206/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/zcZn4L",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T03:11:24Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Todeon 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/zcZn4L"
}

What the leaf hashes

{"body":"a4cabfa93f844699e98ec66c8267f31bae057b4c05be8b9fb1ac15dbe5d56d65","id":2512505,"kind":"listing","method":"sync.erc8004/1","observed_us":1793675484082370,"prev":null,"subject":"erc8004:5042:153663","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. 0xdb12f000c7bd6739d339f534c6f92119d09add90b6add742bd1a6855a39db870
  2. 0x8a540688c77d8651404b7fa760bf00d98c7fb0b1bb4bab89457f64f1fb5db65b
  3. 0xf0b5b3fe510e4f4c7735da0149f627d2a306d653f7ca98e113db2daf3fc957a1
  4. 0xf9f7924dafbbf2b68834488d2f4c4124433765f861375d55c6e5da9510a64b63
  5. 0x4353c83eb2dec180cde3e89a4323da55c11c753b8a5fbbb9ea60515a29e2834d
  6. 0xb1e62b4253319310095753aa853c10be867fdcb6dd34d30a2a7348d5b31875e9
  7. 0xee0b14c0852cd91df443bd628a957610b937b2d5ebc0d1914930f04c23d6afbc
  8. 0x30dc329b83a74a71d48be13172a7d893e59bb5323e11a7ae9e3286fcc9a3c9fb
  9. 0xc9b720cdd574a16cf36d4a83c24440696f94cd9f821c0b0c5d8d2757b68f3783
  10. 0x8106f9950a279530442f76a3aceb730204fac0603d870c8de6e638a50ae1b30e
  11. 0xe2ded44989d30171525c9d9c3c2945e86ae323306f4b04055b39b8134433497b
  12. 0x50c000dc4c49c64976d0fb6188c7b4b0b1786be9035d28f75ca46e820eaa947b
  13. 0x18e08ad394067093dae6bbbe34056f7bb1c1d5e741eeb914e13018528f512324
  14. 0x2c1baf03ae8564ef5b628cdba2345355f8a5380a741795df06515892893be4e0
  15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
  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