Evidence row 2071001

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/SWQ74h"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b8e8cee1-622f-4475-b2d4-d1a242103409/.well-known/agent-card.json"
    ]
  ],
  "name": "Klaussa",
  "owner_address": "0x0fe93f3e37aa0f10ecba8887cb9dfb1eb6c1927c",
  "raw": {
    "agent_id": "66996",
    "agent_uri": "https://centralcity.ai/a/SWQ74h",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klaussa 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/SWQ74h",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klaussa",
      "registrations": [
        {
          "agentId": 66996,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b8e8cee1-622f-4475-b2d4-d1a242103409/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/SWQ74h",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793599112,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T06:00:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klaussa 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/SWQ74h"
}

What the leaf hashes

{"body":"490fa0447f76c4d71f150dff2698d42128d5e0de639ae631f7b6295895aace2d","id":2071001,"kind":"listing","method":"sync.erc8004/1","observed_us":1793599259939150,"prev":null,"subject":"erc8004:5042:66996","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xc580eacde47d6755bb8712e0e7c6ff3e46bec8bc5aef921767982d58dda9d97a
2. 0xedb3df0f225c42f636c862294133dea5e67d2ff535ac7c0aed980b4af316ba6b
3. 0xb85376d18e8b435a8a95b9045867f22c542d9bd41e4364bdb37bfc3f893ebc29
4. 0x0f7522c85952d2e61b38af73dd06d1a7d48e9196106eeda1124ac0caa0c474b1
5. 0xde28b0f29ecef36cd4609ac2fae5709fa83fa5d79fec032cff5ba93885a4afc4
6. 0xa309886b1ab2bca1993d25fb6c1545fd08ba205677933132c4083117f6fc5aa9
7. 0x4b9ae54fa4eb2a4d5a48f542ecc6504c9cddb66e74f79a47463b9d8758332588
8. 0xcb8ca4907da9cb1185c069e53eb5c2f1422ce6c38df3c0d33b539a1f86ea5e87
9. 0x412d3e21c67690169de0a2b5fb03e8c5b1b22e7475ebfc284b08201a68d0d144
10. 0xb610a6b9277941523df44e5dd0800389c2dd133b62cc9617985799ee3067c382
11. 0xc5c0c77a492f0cb9bbd9a9559f0c2443366dac7fe4e24eec19d4addb22b74892
12. 0x7aa0065f9bcb7fcade26c7f3b9489f82eec110abf81d620f345f0a889dc13028
13. 0x61ee210f299fdcda2ea75817592c9621ccbd35e0e4358cb705a10dd284df07af
14. 0x0b45a0435ea40bcbc48c2b318e8c62aa48a7e6b10e52b4548ada394225a7bd9f
15. 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af