Evidence row 3452509

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/MsjJmh"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/038dd2ef-9abc-44e8-9187-a085d4e07e31/.well-known/agent-card.json"
    ]
  ],
  "name": "Horlabel",
  "owner_address": "0xabe398d25a7a002476ac1753816550c7fa0db087",
  "raw": {
    "agent_id": "352250",
    "agent_uri": "https://centralcity.ai/a/MsjJmh",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Horlabel 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/MsjJmh",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Horlabel",
      "registrations": [
        {
          "agentId": 352250,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/038dd2ef-9abc-44e8-9187-a085d4e07e31/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/MsjJmh",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793909992,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T20:21:44Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Horlabel 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/MsjJmh"
}

What the leaf hashes

{"body":"ffb7a55cbe74306e8033dca2c50b93590539f439f4ce57dddd36298d47eee6c7","id":3452509,"kind":"listing","method":"sync.erc8004/1","observed_us":1793910104344572,"prev":null,"subject":"erc8004:5042:352250","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xf391e0eb29dcda6ddbb7540536455ca1921293fd83dbae388ab4559a43d92a95
2. 0x9c4de0dead6ae3af15151cb9e4122986865b3c110ec5d5e1bb6aa1156b4c4fe1
3. 0x9eee95bee7c9d365776e50da29a856cc69803a1d18f0141e6eab2268dfa5f98f
4. 0xb13f7b2c68ba15ab3b48ec374b92f4f562146bb93ba3a37cd89ff7df52aa8feb
5. 0xb383a6d3eb2f63096468b0652e6b8aaa90864daf4f710a5b3f344889094df41a
6. 0x206ebfc7fb2580c2557ad22c0dd3d33f9a776780e7fcd8c4f29f934a8c95fb1e
7. 0xd098ec19e655f73181f000be21f1458606ba4762e971c8c4982f53dda8bd5d3f
8. 0x6351e09c2ba4629c1f568b14d14593944faaca22b21a0ac83ddd6af8f2243778
9. 0x31dc59c67feeae45dbb1b713716d09e602c475b82ee17c96aae53454108584e3
10. 0x193c69f29aedc8dc151ba6a994085f6ef1e756537764516a53bb3008e190a8c5
11. 0xdbf12a4f8231d22050e75c4340075f2fc16838a5ae8af964bbf51c663e873ebf
12. 0x504ae57a285fa6ddf612fc35132a6355342f76f16b27b775c018952bce14b0dd
13. 0x4713b10a0590acf2c2bc01df682f7e1cc4a36ca3862adf6e57ca3459d4320809
14. 0x1639b247a5d5a7c1c147128de55c8214f740b3c69e239097a9214d771bef36fa
15. 0x0f89b13f204fe566641bee24955c02233efcbd2fce2017340ed06cf3c4c4503b
16. 0x46e57eb471bdfedc5371f9f8dd93e03a0ef82a84f79b917a40533d34f61e890c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94