addrbookFor publishers
← The evidence ledger

Evidence row 1831893

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:29789
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
1cdf33bf5d5177dbd4a734a268f22ec5ecc891cfa7a6f3e65d541d10e22d5f5b
Leaf
0xfe82b6facd0ee8987f92c38c3273018e2b7b7a737814bb71dca3dbe9f147181f

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/vlehvG"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7d5c3865-1325-4d66-9123-fe27abf0911e/.well-known/agent-card.json"
    ]
  ],
  "name": "Hassik",
  "owner_address": "0x4fe7a99e7c03a9367ad072e2ad3672e3e1d39d18",
  "raw": {
    "agent_id": "29789",
    "agent_uri": "https://centralcity.ai/a/vlehvG",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hassik is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/vlehvG",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hassik",
      "registrations": [
        {
          "agentId": 29789,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7d5c3865-1325-4d66-9123-fe27abf0911e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/vlehvG",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793569197,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:43:51Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hassik is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/vlehvG"
}

What the leaf hashes

{"body":"1cdf33bf5d5177dbd4a734a268f22ec5ecc891cfa7a6f3e65d541d10e22d5f5b","id":1831893,"kind":"listing","method":"sync.erc8004/1","observed_us":1793569431201935,"prev":null,"subject":"erc8004:5042:29789","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0xfe82269f5d3d61f13c39b9b8d6337f7daee0a3c31965f2df584554ed3e48bee0
  2. 0x89eb09a8c5e8be5a12b5ec163375271eaaccb28118fbda4c3e6b5b234b237f08
  3. 0x521dce911d42786a4d458c9dca0adeab09e23bd5734067148bfd720095aeeb5b
  4. 0x047c25d3f3406696984573e7ce06100bf2893ab9b741e87314b52018e8d4f79e
  5. 0x63fed69782f9cc42e8e14dced46c80aad6ef4847dc334b38247db9c16eadfd71
  6. 0xc7d0f1aff503a77fa0958ce465cca5da32a2aaed3b7ef7e9323aad934dab06c0
  7. 0x7a6925a3e7d8a7046c56ecc9b8c7a139b2168b47cd2bff030c587dac46e40d2f
  8. 0x2b4b57fc5b91462bb89e7707f1c4d72621e7e838d4dcd2d312f54b496a4b9171
  9. 0xd79f525532699cfc6b415031c25936a8738c2806c02317202c13310077eb557a
  10. 0x564bca6f173e82154fde42703fb10c739c2073924fb48e5d7b4f3a4b784b03b6
  11. 0x427f55fa61b79f8cd2e998cd7af23451515617d28a7e55fbee0bf8cbe2607585
  12. 0xf7591c985d9cb23ce20ca955bee97f41fd017c55aeecc11989372ad7a6b425a1
  13. 0x904a0ef836cb4b2dd139024d3379cfab31fd3b5798d155735069733eb5c3551b
  14. 0x7cd72adb87b8751bf15c5933b0cfda4c062b8aa62aa82c7e8571c6aa0cc82204
  15. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON