addrbookFor publishers
← The evidence ledger

Evidence row 2580363

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:182612
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
dc9ad883c0395df3acdd8043909ce6f1a491005ebcde0f93b2db10481a23d8d9
Leaf
0x86de7329c78577c83a6956e8545cc4bf700c91b041d36b119c3af03d8a499c21

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/vRLABl"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/65adf2fd-cca5-4e1e-9f8b-8e094e4ab880/.well-known/agent-card.json"
    ]
  ],
  "name": "Nioset",
  "owner_address": "0xaa05b45cf25296011b9bb3a33bdaefab23de93a7",
  "raw": {
    "agent_id": "182612",
    "agent_uri": "https://centralcity.ai/a/vRLABl",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nioset 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/vRLABl",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nioset",
      "registrations": [
        {
          "agentId": 182612,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/65adf2fd-cca5-4e1e-9f8b-8e094e4ab880/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/vRLABl",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793709194,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T12:37:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nioset 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/vRLABl"
}

What the leaf hashes

{"body":"dc9ad883c0395df3acdd8043909ce6f1a491005ebcde0f93b2db10481a23d8d9","id":2580363,"kind":"listing","method":"sync.erc8004/1","observed_us":1793709422864935,"prev":null,"subject":"erc8004:5042:182612","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. 0x86deaabb2ee986740fe0fb0d40f8e367b18ffa8659adc56a1c12dd8fd620c050
  2. 0x9b996a2d106a16b6e4ec0dc1aec538ce39aa3ba632699b19f5a33cd396e9601d
  3. 0x24fd6ecfcd72813bb5a6bbbbb8908a37b5577367aaaa40c61b86228fefcd7b51
  4. 0xb19d83ae333ef23d97357051dc16df954f97c4743288e4280cf18d3d9b3acb0d
  5. 0x6668df9df3766fe6fa6b49fc7ae19ef1071613ce8da4f3ade56cbbfd718bfac4
  6. 0xd14f3d0fa883973db10e4b7b61fcc8f680df85ef0da41017baf06736f029355f
  7. 0xb0954ed8571ee04fcb57dd8cc6e7f0a04144a75be0583a28e22bfdabcc100f72
  8. 0x2743a5d61274c5216ab10dcffb743a8c31222935fd72de9d85e11e04459afaf5
  9. 0x7f8575971607f44de6d18e9f766ea0026e5c2f438e64e3a3b4736949d49e352a
  10. 0x783226e89024d61c3fc90302598e01ee0e15ea1f0c7dfd48ff819c76344fefc3
  11. 0xa3de91ccd12fd7923569230eea3df1b86131cd39f74701ba7c80f68ab03b938d
  12. 0xf5249807888ff0e7aaaa657e6a1e2d2a6df984a716b1ed7aa58dabeaae1aa32c
  13. 0x9fcad7b6a3a72383a675ff1c88984ed98f2e83727da75d3965a28fb3c0515c37
  14. 0x2c7b214378c568c43cd230b3af22d5b7530813ac1c6dd11bb8169f29d025bb3d
  15. 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
  16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
  17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON