addrbookFor publishers
← The evidence ledger

Evidence row 3741377

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:401037
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
c2d97a02063eabe642bc48fd7dcb6c8671f00b646125b62b3a9f77666d920366
Leaf
0xa3e25b693c6ab72fc840b2c2a2a2678e5bd6f581a1187bee249fb6d8030649a8

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ymmkWx"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b2593f97-9228-4887-b3ab-080e314aaa3a/.well-known/agent-card.json"
    ]
  ],
  "name": "Haudias",
  "owner_address": "0x144246fc81443589abbf1a62b6e001e85b12c446",
  "raw": {
    "agent_id": "401037",
    "agent_uri": "https://centralcity.ai/a/ymmkWx",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Haudias 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/ymmkWx",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Haudias",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b2593f97-9228-4887-b3ab-080e314aaa3a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ymmkWx",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-06T14:59:48Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Haudias 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/ymmkWx"
}

What the leaf hashes

{"body":"c2d97a02063eabe642bc48fd7dcb6c8671f00b646125b62b3a9f77666d920366","id":3741377,"kind":"listing","method":"sync.erc8004/1","observed_us":1793977188494284,"prev":null,"subject":"erc8004:5042:401037","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (303443 rows).

  1. 0xa3e23a86160e0915e610ffcf10a233b5294dc77470dd95eae7fe0346f4680340
  2. 0x89b31ae430500150df65842d491a7bf746a50018eaca642faac05eef7f566205
  3. 0xddfd9c5bf0abefb0d6cf15dfdc7c6ef37bf9ebb020f76e5a0b68de227c6d59a1
  4. 0x1c7714b356d09782f3aa9d2af888c082ba81c2d657e1bf26707fc12664feafe9
  5. 0xa8fba4622b4209d7a8de32cbd3d4f5940b8ad5ce47f707822882c49d9219b05d
  6. 0xdea06292450e898a7ae8f262b15ca46c500f5aee6ebcb86a4121e592ed69cef2
  7. 0x2bc750249a1fd2321ed18a3af315d97efb1b65265d774570ab3f61dc955ccaaa
  8. 0x09d0b10e7b2f537351b2ffd9c9f2e7fab648014c6ef715ed2426bc88955c5bb4
  9. 0xfdc61987e24445baf68b1bf33f2a6504705c0fa588855928fb57762154502315
  10. 0x5a071409c3064a0e54962df31870d7d8709d00b2680c522b68ed7528c131dc29
  11. 0x33e2b510b2630240db97cc85a73c4c64173092edf59bac4f7ed5f671273d0b1c
  12. 0xed81aa2616cfc68db082b1c36a42ebdb20876fe56875be398cbceb92ca986c63
  13. 0xcc1061f6d520cd55b8d045e1a7887ab64f034c3fb35b41e6bebd5e7e6692e623
  14. 0xcd45cd6804cf7e7d1e6909626f817ebe91b3e48cfef9aaae97c8bc90ff284ab8
  15. 0xd0ea1c67876a6aaf3607745d3124ddfa46a7db70cb95b8b0331a1db5672bf932
  16. 0x15b694ad919111e31e8112077ed1645b2f3c0d6f1433eaac3aaf1fff1c7c8aa5
  17. 0xe98c6c6b56a21a2fc4c1edfe2563812e690a6a4336d11aef772ac1799d1ee7ca
  18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
  19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948
Day root
0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f
Chained
0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3
Published
On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1

How to check it · This row as JSON