Evidence row 2121322

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/S7nqBu"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b3aa3663-7c03-4435-a768-dcf6b3a24c96/.well-known/agent-card.json"
    ]
  ],
  "name": "Brobisto",
  "owner_address": "0x0188a1c2a7cf960a46525182299b35d877452492",
  "raw": {
    "agent_id": "89088",
    "agent_uri": "https://centralcity.ai/a/S7nqBu",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brobisto 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/S7nqBu",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brobisto",
      "registrations": [
        {
          "agentId": 89088,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b3aa3663-7c03-4435-a768-dcf6b3a24c96/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/S7nqBu",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793619004,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:32:49Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brobisto 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/S7nqBu"
}

What the leaf hashes

{"body":"8bddede864233f0a451664cba855825648eff71defc2dc686b9f39bcf722e6d0","id":2121322,"kind":"listing","method":"sync.erc8004/1","observed_us":1793619169069735,"prev":null,"subject":"erc8004:5042:89088","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. 0xd2accac237019ad576706a455cf87afc73d90d06199beff9013c42c7fda1f50f
2. 0x5e82386ef1f4e2b847cbc1b8e339b88a7e344517fdabfe8c183d7a07a36bd35e
3. 0xd564a289ecd9590a2b373dff7e5df1001cdf090efbfb498ea34ea53cb5aa0b82
4. 0xe45a2868c2a5ec5e6c1ceb7385d1dc373dc0ac9a808fb1d1c94c47a6c8be6bb8
5. 0xf3d3c38373738b6c812f63f206d23e4b57a1b07213d2663bed45ed3c3b451296
6. 0x892dcfdc4f8c8ae2f12f674f56fd550bcae89406254056b9bd763922861a14b1
7. 0x49ebdaea80735d3f0a6f70943957f0e7a45d964c97a3fe8143d9dc851a57250d
8. 0xd424e4b6e895ace60b2794e28613d5f6ac8b95d4eb747b365e8c68d19cc76854
9. 0x91cde8b969b5a03e5d95034342a1f0ebc4244b3156995e6abdb6e2a9394f1f8c
10. 0x783809c3d68c39f999ed33e27f2e756b577eecc499be3cd0e743035ca1386f8f
11. 0xe2dbc974d9b12796dffe1a22ce6c9cf9b5f24a00a6f898b1bd707086afabbf8d
12. 0x8f7ec337f2782ee71c5fcf875ded67ab29b3a792b4ec497a9bd69388793bc4bb
13. 0x0ee251e21135d18ee3004d16c3618e1f970e8952654b422f2554f8aa0ae09b4f
14. 0x0a363925e7ecbf308dcd4c5e94385984a43aafeb977e419f632e8dc2019e0553
15. 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af