addrbookFor publishers
← The evidence ledger

Evidence row 2521761

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:157221
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a75f5c8796903e3b50290d8028e98a3b4ccf877b3d4a72c740b0e212e19c715a
Leaf
0xb8d3c4748198b32bab2089d9b1d60590df56fefcb6248db7ff1fcc7142e88415

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/69X6cV"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/61ebc486-2fa0-4d45-a1c0-b2879d65eeff/.well-known/agent-card.json"
    ]
  ],
  "name": "Piomisto",
  "owner_address": "0xd8cd599ce88acf20ec66c88173bba20c14d68fde",
  "raw": {
    "agent_id": "157221",
    "agent_uri": "https://centralcity.ai/a/69X6cV",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Piomisto 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/69X6cV",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Piomisto",
      "registrations": [
        {
          "agentId": 157221,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/61ebc486-2fa0-4d45-a1c0-b2879d65eeff/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/69X6cV",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793679451,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T04:19:36Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Piomisto 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/69X6cV"
}

What the leaf hashes

{"body":"a75f5c8796903e3b50290d8028e98a3b4ccf877b3d4a72c740b0e212e19c715a","id":2521761,"kind":"listing","method":"sync.erc8004/1","observed_us":1793679576284676,"prev":null,"subject":"erc8004:5042:157221","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. 0xb8d3b19f89e30d98f27a8e8c569083943812fb8e13ff1ac76ed330746ae9a825
  2. 0xca91f634aecf3e44bee9b4c006a7626fe18fc63264db04756bb3c8e5742df090
  3. 0x66d1f12bc2e54efaaf02af61d655eaf6f1d0d6a09c5cd3cb7a9c6133a20903dc
  4. 0x45e75d481e60b13bfcf3ed6a9a3941bc22ba8e8a5bfcc97a768b197f6035216c
  5. 0x0088ef218864836350a72bb71f8a5d12dbf07340eababf3a9642fb7052cfa03b
  6. 0xbc9d9724da0f2cd1ab5453f7a4544a80d9a5165ae875f1fcd0eab5bac92ac8dd
  7. 0xc9bef07e83f1908277645cd2a35d62168fbb63d098785a260eb54b2848470c50
  8. 0x2c392bdcaf9641d28edaa478c9b35b22c8141cf2b513f11d4fa54d34e940c08e
  9. 0x4e686a98fd79469b376abf34ba707ca4ce48259ef71e3678c23e5545f83f20d4
  10. 0xe8f0ea8ee21407a159964ef649d88736ef0740e3c4c37281d53e695b2e7f751d
  11. 0x2b5a81184686166d637d99bbc8a167235384d3dbb5034c61127d6beaeb8b15e4
  12. 0x592bac762721b2bbd49b1b4196a937f4701f86ce0f19e55914c382e76153da47
  13. 0x7177a2d4d7e26d090279db4f09f90547c14d3dfe27b339cb6b3b812ef7172d44
  14. 0x28eca58d5790c044814655f49977e8cb478606900cf691de68ba9ce360992057
  15. 0xc0bea6c8a0da854513562c1be034edd9e23999e98182b784da3cae0bf2e3890b
  16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
  17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON