addrbookFor publishers
← The evidence ledger

Evidence row 2950602

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:226310
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
7b47d515216f7e6e77a7423353474f0cc31297914095ddc79742a7c697dc70f3
Leaf
0x56f34011a22edafe0bf5d1c684874ea8fa451177c7ab741f3b715e3c6c906180

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/pv0d1F"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1e58a7eb-f03e-43f7-91e6-dc39e561ca5e/.well-known/agent-card.json"
    ]
  ],
  "name": "Hossan",
  "owner_address": "0x7b76d1245ad2e27136ec62708e6c5f17896419b4",
  "raw": {
    "agent_id": "226310",
    "agent_uri": "https://centralcity.ai/a/pv0d1F",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hossan 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/pv0d1F",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hossan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1e58a7eb-f03e-43f7-91e6-dc39e561ca5e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/pv0d1F",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T04:49:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hossan 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/pv0d1F"
}

What the leaf hashes

{"body":"7b47d515216f7e6e77a7423353474f0cc31297914095ddc79742a7c697dc70f3","id":2950602,"kind":"listing","method":"sync.erc8004/1","observed_us":1793767771007140,"prev":null,"subject":"erc8004:5042:226310","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0x56f2ff9fef756e8ce77c85b974550cdc943138a99ca5cbc0058b3463bd8d57ae
  2. 0x3b09cb53ad7613761771c906ab829b8b797c089e2414fbb0e632ba0fbf9fbc71
  3. 0x7b321389dce59453eaad0bd4f62bcfa2f7ea8b72b32af6a644d446388f112f39
  4. 0x0c5a54d2ccefc307df2d6e917cb9c56e652afec4cd532b6971f0d7720c232a31
  5. 0x873e81648ff845a0cc1cd560ff1f0c8bcdbd6c9519dde75b51316a1f58c3e461
  6. 0x644a8e4671439d7fa8ffd372b3bb281d7fdbc9cc467c68e4cbc0011ff1c8ecd7
  7. 0x8cfaa3899a79a168ace882f6ae916c391aeaa1dc5a62d8126810afa07d0174aa
  8. 0x589fc5d1417b915efca6d18b8043206a552fbc6956130b5fee9b8fa2545ca392
  9. 0xf21ad7f8f62bbb4208e88bb28e2a88590d7454764c6b1efb494adc06922a9d5c
  10. 0xe9ac9cb77b54b4bf5571dcbd7d44ef914f7e2d7a8271fe06c5fb23b4aa8f8d31
  11. 0x95223b995384a5c2b655536ef1fe7c2c2aa5e4b8854b3281f457b488ba2e70a8
  12. 0x945fe9487995ba90c82134d19e760f56c5b24bc01d33b378e0e0c5fb0f54498d
  13. 0xa2e5674fcc10c964861fbb98d1f682c2e24346c9f9f7f8e545244f42f75207a7
  14. 0xfcbe70e6806bc5e74c59372e42042f8b6a3a2290fd0287c7191d5427d1ed1efc
  15. 0x5d251e883c0069357a22831cebb319c52fe5f04a17c550ecf0dee07b97adf218
  16. 0x5c295f44fee7844fe001921189101c73d5ab26f05805bf5587a5f0e5ee351912
  17. 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
  18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON