Evidence row 2556882

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/QatfdW"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c8c35c07-8a80-4310-bfe5-789ca2db803f/.well-known/agent-card.json"
    ]
  ],
  "name": "Hubeon",
  "owner_address": "0x85a4151146e4e474a0fda99bf921ad61892ca3df",
  "raw": {
    "agent_id": "171727",
    "agent_uri": "https://centralcity.ai/a/QatfdW",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hubeon 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/QatfdW",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hubeon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c8c35c07-8a80-4310-bfe5-789ca2db803f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/QatfdW",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:57:36Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hubeon 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/QatfdW"
}

What the leaf hashes

{"body":"89021c07268d15afba6a474796f612eea60a683c5ff9348d57667186e079e86b","id":2556882,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696256642323,"prev":null,"subject":"erc8004:5042:171727","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xbc94ede21ac0590ebd1e7e6f30ca564b440823c67e9aaa2da77e3f19ac20e8cc
2. 0xd980f0a0413bf137f046b23502c67e0e12c73dad32b456a2bcfefea1fc5ffac7
3. 0x424c79cd85ab4bb7efd48df0dd2cbed4f4fd4ff4609a4b8effe16b7318d7d4ac
4. 0x24ab71cc3e5e502f8fee708b86feab9ad6d9c9b4dc72327d336f8e58b24cab4b
5. 0xf38e4027c3893469a0ead546aa8b2a3af55ee3bd90db47732558461b605eeac1
6. 0x525efb42e19fcd8ed74d3b6de0afb7eb74fffb128520bf549a38154f95eb0391
7. 0xaf3b42097a0089f6069d96bb3230dd303c6a9845906f28e428e8251a3ad99b9b
8. 0x65a34493da191c5f697d550bf05b33cb0ea6b8bf72ba67ffa5d060a6309452c7
9. 0xe991f70bd579057b7677969654456180e9a9577d892dea9c164ec451ba69ee91
10. 0x68007dd3f2e4c586b805f12ec32d1dbd210ab8219d5104a181f7d45b6f71be84
11. 0xa34ab53e0e0cf05e33df3af60414296935ccafd1f60b30e1686fed58ea0f8604
12. 0x63a5991c187a9530e2177a341da1cf5333e53e4df48dc340dc718a9a7d54a2d3
13. 0x4b0168dc3cf75706d02e85e816aabcf4a2cbb6cd44a0eea1377f703048a10500
14. 0xe48dd050d36f1a75a7d005677c3e962435e7b5ad246de637e9e1fc9be7665b0a
15. 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7