addrbookFor publishers
← The evidence ledger

Evidence row 2550949

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:168540
Recorded
Previous row
#2550664
Body SHA-256
d6c09616d5f6ea5e54901d6887c93e76d120a61ecd04a4855fcf48fc859399f3
Leaf
0x91abc2a9a6411b7ce4a917002fd9f858b664315e004413c9e62969a853cdbfeb

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Sc31rw"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4ee97c3f-1fe2-4608-a200-84b1e40ada5a/.well-known/agent-card.json"
    ]
  ],
  "name": "Tantor",
  "owner_address": "0xe44ababe13d6e5b8072f834724b79b7a05800487",
  "raw": {
    "agent_id": "168540",
    "agent_uri": "https://centralcity.ai/a/Sc31rw",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tantor 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/Sc31rw",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tantor",
      "registrations": [
        {
          "agentId": 168540,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4ee97c3f-1fe2-4608-a200-84b1e40ada5a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Sc31rw",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793692543,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:01:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tantor 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/Sc31rw"
}

What the leaf hashes

{"body":"d6c09616d5f6ea5e54901d6887c93e76d120a61ecd04a4855fcf48fc859399f3","id":2550949,"kind":"listing","method":"sync.erc8004/1","observed_us":1793692871478965,"prev":2550664,"subject":"erc8004:5042:168540","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. 0x91abbb47f202f84c3421ce742c58ab9db22a342775c215a971a35c9148d7e746
  2. 0xc4018379da8fc0fcf60f31d22486dfbd0c41d03d3e5172b63c6c9ea031984c24
  3. 0x8af89b4400aa6e116406c47aa569ca0c53d6143274f921e666db81526cd4c8fa
  4. 0x6ff45c662df718b2c58599a7af89f5668d224b2d91dae90052fc1804f94a3177
  5. 0xa4b74ad8bebf0de8a584796d633e49c2c1d45ccb5af597570f35e8ca8e8ae507
  6. 0xc92c5e5909ee6d7093d02d69425f5da64843e6191193ca5ec55cf5edc022197d
  7. 0x0e08deaa97a88aa940779125176edbbc631258b0f6a10c2c28e50fa1add70f63
  8. 0xf75bd9f324fdfd508b95a51585b56c7d20251d51de7cbeed167fe86ecfd8730c
  9. 0x9ff3337f05ed07fe7226ed582d38900cf562f2621a15c45810d7dc2e25701861
  10. 0x5b8a4e4cb990d5d5b8ec0a0695a2d36755671d9ccbcdcb1d3f5ddfb14aa4b239
  11. 0xab9b7ee56c3760600969113a07a7bc6263188c8d3d6242ccb5aae7cdc1c2d6d3
  12. 0x37229505f48a196c864df3bbd6c112d6a10010c2a6661e89a630ad4f188e1462
  13. 0xeadabd164a90c836de96a615298d69f4b3f10399389106b0c27b6382229154af
  14. 0x7f1a60c8109f6f6bf295c743742bf48233a7f558ad73afd2115ffc0eb4e5400f
  15. 0xb5ab3a67e92dbd6d8eb3ea95dd8fba5b750735344b87d689cb50ea92ccaeea56
  16. 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
  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