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Evidence row 2587890

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:185294
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
c2c7a84f1a7d47caa994f106decf3444c54d92294402a303e430031a4402cc8b
Leaf
0xecd863d3ac54a5e4f5857b92c7d2fdad8b15a4cc070bc81aca627f12a5e2a113

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/mfNTQG"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/67af887d-eef2-4e0b-bc77-1b2140225c53/.well-known/agent-card.json"
    ]
  ],
  "name": "Zukano",
  "owner_address": "0xd2e89bcc6494d75e6be05230840cb263617ccd96",
  "raw": {
    "agent_id": "185294",
    "agent_uri": "https://centralcity.ai/a/mfNTQG",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Zukano is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/mfNTQG",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Zukano",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/67af887d-eef2-4e0b-bc77-1b2140225c53/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/mfNTQG",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T13:28:07Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Zukano is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/mfNTQG"
}

What the leaf hashes

{"body":"c2c7a84f1a7d47caa994f106decf3444c54d92294402a303e430031a4402cc8b","id":2587890,"kind":"listing","method":"sync.erc8004/1","observed_us":1793712487753601,"prev":null,"subject":"erc8004:5042:185294","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. 0xecd8235b3c151bbff313500dcf5f2f208bd7d3678d4db5d2702561a7aeb3d127
  2. 0x24fed148c4526ae3e0587bd68738af3489a5ceef4ad5565a4f16f8eaa0392493
  3. 0x95a1fe9b52c1f3bcdaa9080a47d1f6304d98c6c9126e6a736d7d5c0951d9833d
  4. 0x8d4da80b4142836e0b5b30f21420eb8b3e49ddb32d9accb483f0cb289a6fe807
  5. 0x488fd043d23750b267732834cfb99e2582633c2908b8923a728c333392d7bcbe
  6. 0x08ad05f64ee9c7b850091645be230c0ee6fdd80379a95dddbd2afdc3b693e51e
  7. 0xf13f3aa4bb9ef3774446fb6b0db70656713b69932b4c973d89a32200997024e4
  8. 0x8f5823b0ad0a463e0ab8b959aea26ae94092048924b7787749fa9649c2219f58
  9. 0xf203c2195ddd33914dc6ae82d5840fe19fb4dbb53d971c782fdcfd066536626b
  10. 0x2d4fc18ca7229ecd598e23a762dbd39ed97d8e2331e1463fb2139a0267649caa
  11. 0xaf9c0db04fe42689dbde2c86141826b7166eba91e2c50272782f99d94eb41a6f
  12. 0x3e14a54c6a439865af5ed15784a9e7980e57d2191e4f764053c87eab828b7071
  13. 0x01e9de68aa9b43892927b1c264f77e0ac05047278992dbb0b29801b5ee9c6fd2
  14. 0x2548979bbd7b1568b5a14db6fca0201979c48165192f2b55f45fa21471031e4f
  15. 0xa29933ab8020ad948edbcf3e65194e73a6b113a0063231c1105b56c2d59ab97d
  16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
  17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON