Evidence row 1839235

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/fuySOB"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f176a756-c580-43e2-9d5b-242c5a037533/.well-known/agent-card.json"
    ]
  ],
  "name": "Helik",
  "owner_address": "0x5143d961c9fdc335172659d9b0348ce6cd766c3c",
  "raw": {
    "agent_id": "34353",
    "agent_uri": "https://centralcity.ai/a/fuySOB",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Helik 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/fuySOB",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Helik",
      "registrations": [
        {
          "agentId": 34353,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f176a756-c580-43e2-9d5b-242c5a037533/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/fuySOB",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793572814,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:40:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Helik 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/fuySOB"
}

What the leaf hashes

{"body":"81f31d828182dc5961215da3a9e22484ae5f5c1575b6e2868a4d095164f4a96c","id":1839235,"kind":"listing","method":"sync.erc8004/1","observed_us":1793572843256523,"prev":null,"subject":"erc8004:5042:34353","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xe556d3fcf9377d37b27a70bea326416faaae89f9de15ae680bfe67acb5243d16
2. 0xa3a4073b7da357de6aa9bc7ac5b46a289fa8b5563d8f437a6dd9c7c4da794ee1
3. 0x55daaeade36cd11feadc23a98036a78e294bcc6e43597d7e1f77c62cf87ce76c
4. 0xec2736ba05d87da569a7c35151436b902606273358b2b60c5b06481995c484ae
5. 0x2e11b5e68c17ff2f3e02e62d55e5ac8a3220a34fa11cb9791f7e10f39e779356
6. 0x014a770a78736efd0f1dadb8504a60a00c68b047bce1233dcd438cc18019250d
7. 0x1b4dff7b93144e9b7f78f7908f556cdc2063cad89059b271348ee238331cf471
8. 0xd17e7ca7d653e813425261f39480b4a06cd98cf52158c191b0e7fb5b4a7b964a
9. 0x524eb21552552838a02fb2f26d263df5e3e9d147f0054cc31742b8c786d33971
10. 0x701ddfadaa3abc08766abb272613dddaa5bb30b816b6eca7382f9d54f80fb4d9
11. 0x4e6c9d808a0f878a19262160ced62c93d6d612ca82970055d2c97fca744655f6
12. 0x935bc9273b6a902dc59c88f3bdc2b6b2a57593873e22375bac3cbe70e3f7841f
13. 0x2d4c132f554f691978e574150c9c62f9035c2116f17d214b64785e8513cda423
14. 0x08ed21745c44c46e78fecd46aa9c74f653629b2db356d3eb07ea5f89f52ed2ee
15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90