addrbookFor publishers
← The evidence ledger

Evidence row 1781293

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:15945
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
af0eca0b0093540f4bd56d91b4e94f1920833cbc6e042f7ea85d76abc2f1c056
Leaf
0xfe4dd8c7c6757f687097cc6df2ce4362dc1a96bc86a997d5ceeb42e1a7b0d969

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/nSATUW"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/427c1af4-a6ba-4e86-a7f2-8269ea047c94/.well-known/agent-card.json"
    ]
  ],
  "name": "Hiansis",
  "owner_address": "0xcea25222cafbc9c528cc75c17922d441ebd66906",
  "raw": {
    "agent_id": "15945",
    "agent_uri": "https://centralcity.ai/a/nSATUW",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hiansis 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/nSATUW",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hiansis",
      "registrations": [
        {
          "agentId": 15945,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/427c1af4-a6ba-4e86-a7f2-8269ea047c94/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/nSATUW",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793555410,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:51:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hiansis 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/nSATUW"
}

What the leaf hashes

{"body":"af0eca0b0093540f4bd56d91b4e94f1920833cbc6e042f7ea85d76abc2f1c056","id":1781293,"kind":"listing","method":"sync.erc8004/1","observed_us":1793555470826381,"prev":null,"subject":"erc8004:5042:15945","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. 0xfe4df438949fd0841b638e66e9acf6416a58bb53eb6cc0be957631c95ca3b438
  2. 0x213e1a1e58df16ec32b1bbdf7ccabeac6b918385fa4cb1587cba443a2dbf3b72
  3. 0x1bd366ec8475c18e7d009b8438ee2965912b5bcdb93e9579f6efb8914cb8018f
  4. 0xde73f372b4ce23c8bac3fa30b46c02e5b1d67e7e2bdf11c2b1d2e94ef526b55a
  5. 0x508d1fd8c78db287920145c99b0e1ab72468621e3fc98b4fc2e3b6b6de443b66
  6. 0xf06c851de1c3d55bdc6cfef00bb31c85da0a7f5ffba76cfc9aa01505b5d2b680
  7. 0x3a634cf667bfb454869de9c6949022b822c28fd780d0ec226aeb4f32854ca69d
  8. 0xfa54b6c9990762e16582f89217cdba2551c18552d2026e7a41cc1e66a6516b33
  9. 0x21a93fe2ec5c28a404f2b64e717f20f9eb957cc3cb758f6e04e2c56c3718cd34
  10. 0x6fe110f16830f882bffba5247472f0b9aa548c8dbb8497624650e7e28d10d910
  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