addrbookFor publishers
← The evidence ledger

Evidence row 2178047

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:114867
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
72318943ca37a4fe07c5a35c6607f4d68d54c11b4fd4d17aff7f4982c90fb41c
Leaf
0x383e9dec4bf427ab2dc6e48bbc9688bf9007a511a593006641239364d50a5df0

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/uEqQJQ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/50efbb51-a6ce-4862-b0ea-47ef7dc59594/.well-known/agent-card.json"
    ]
  ],
  "name": "Viovan",
  "owner_address": "0xbb96a106495ec4d4626fa14cdbd1911e32ec5299",
  "raw": {
    "agent_id": "114867",
    "agent_uri": "https://centralcity.ai/a/uEqQJQ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Viovan 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/uEqQJQ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Viovan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/50efbb51-a6ce-4862-b0ea-47ef7dc59594/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/uEqQJQ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T17:05:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Viovan 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/uEqQJQ"
}

What the leaf hashes

{"body":"72318943ca37a4fe07c5a35c6607f4d68d54c11b4fd4d17aff7f4982c90fb41c","id":2178047,"kind":"listing","method":"sync.erc8004/1","observed_us":1793639159546524,"prev":null,"subject":"erc8004:5042:114867","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. 0x383ee2437564fa825980d6f3ad37c545a53ce230f17c1256d9a1471044b180bb
  2. 0x3cdd26e00a3e538e30bdc468624fa7fdef8e63e71d011161ecbbd770a930288f
  3. 0x1609e6b4e9aad253411ab0ce3c32930995f71eb0a9537cf4607fb49cc6671bdc
  4. 0xc88f612fafd029b255b1c0b767cb6c8a026fbf482db3c90e70a6d868a3c162b5
  5. 0xf30b3bcf5282c62b3425cd9453f42ae15838af7f2684202722593baf25bac82a
  6. 0x66ffc114eb5efabd9c3304d28d2223fee32ce7bd5aadb898991e857c7fb27be9
  7. 0x97602e2913c0a6309a34daa2c23b42c3f1fbb976938a9d7ac341e8de93304f31
  8. 0xd6d4708548c6bbd1bb9113edf56c6047ba42e13e7cc0fd28b38a8c0bc9f40894
  9. 0xbe9472c2928cf5108f0fff1e6d3f61d6d17c43fb54ee1078f92a3f0b096fb69e
  10. 0x5c2dbb0246e38b76a8a71b69c620c01b062203e298367be469f56610cb2a77ca
  11. 0x9d12d652d78e0fd7c35f4926078c2643d24efffaabb4413e240035a200894add
  12. 0x4447e402cea61275117ac4e9975eae04626bad327ccc4f13f5d1b453b487c0d6
  13. 0xa0e5887b42201f4bffeb4ff69bd41372cabcdfc84eaf669d71bc4550864cf581
  14. 0xeda95b8bf6c7d0b27dc5b32d6a6006255f41e0f6bbe80842a49daa792f4de811
  15. 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
  16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
  17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
  18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON