Evidence row 3044927

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ToT0au"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2309ee1b-25a6-408e-a5aa-15134f378f35/.well-known/agent-card.json"
    ]
  ],
  "name": "Klarko",
  "owner_address": "0x0e4d6b1901546ddb3261769abce759345a0ddb0f",
  "raw": {
    "agent_id": "272392",
    "agent_uri": "https://centralcity.ai/a/ToT0au",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klarko 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/ToT0au",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klarko",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2309ee1b-25a6-408e-a5aa-15134f378f35/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ToT0au",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T18:09:25Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klarko 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/ToT0au"
}

What the leaf hashes

{"body":"ef4243c739441c92f1cb323c85a2e095cc9ae6a3dd9a601a0cf5aa475e01b695","id":3044927,"kind":"listing","method":"sync.erc8004/1","observed_us":1793815765699757,"prev":null,"subject":"erc8004:5042:272392","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x336443cbf33157c536512bb9fdf791e50dcbbc1b15d7d4636dcf8053e81e530a
2. 0xd543a40184d780e7fc24031c633295c25b479527a270928aef14ab8f2b10d540
3. 0x459f7a735036528ad4beb6d6856e37969fbba7a5db4519b3958c93eaec455b27
4. 0x012908b2f3ffd0caa62b87c0bb68fe8e1bcbd1360376889387cbf3786f2869a5
5. 0x2a74f3ce4d9826c6208132ffa99a67fa2f75eee9583595ad704bfdf935228e49
6. 0x66ee95a605b72a5342dd8a52a54584605c77c41d580749a6e8941380beb208a7
7. 0x1bddaa311f02de39ff407024f2343266ee453e4f46fd82a7b152f9ff37ecfc39
8. 0x0f01c82a531aed6f7ecd5f9100b11b4c7c3e0f9e3b96627428ba21d1f16e0744
9. 0x89d0365f23fd1ff906ea4110e9822b00b2e3362b80fdfbd24e8b55a307c083de
10. 0x0f43b26a892054bfe3da8dfa544b73331d9657287a418b7068f904148ec344e4
11. 0xf7cf67682365b1c7d836bad2a66ccd3d6a3f315bbb51b361d0972bb362d5d3d5
12. 0xfd490b824e1d575347294bdacd136440afef9e2fec23647ff70f33f60b7d725c
13. 0x076f99e16dfe61777cf7005ffdb5efd687adb1aad0b9cdd01306aea19abb6247
14. 0x4655903f447e8396651ab34c7de260d0aa4d05c74caa13b43dfdc4a860d9f1ce
15. 0xdf892b99e8b0dbbb4f87276019f2d0a4b1e54a284757cc30e642f46b46f51c25
16. 0x8632761f28bd1d3a8f35afb1fa5e24cfd1b78978317cf7ac09f0fd65df795c1c
17. 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345