Evidence row 2193567

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/3Unyas"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/707f4ba1-dded-4251-9f1a-7886c66bc7a9/.well-known/agent-card.json"
    ]
  ],
  "name": "Brumer7",
  "owner_address": "0x573a1e53c5c9924beaa79a6c6135ba475f620aeb",
  "raw": {
    "agent_id": "122552",
    "agent_uri": "https://centralcity.ai/a/3Unyas",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brumer7 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/3Unyas",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brumer7",
      "registrations": [
        {
          "agentId": 122552,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/707f4ba1-dded-4251-9f1a-7886c66bc7a9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/3Unyas",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793644746,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:43:01Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brumer7 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/3Unyas"
}

What the leaf hashes

{"body":"6ebd83b956229808b89de7f9deba12fe9b56ca8eebeebd73f9665f19cc09c5f3","id":2193567,"kind":"listing","method":"sync.erc8004/1","observed_us":1793644981171836,"prev":null,"subject":"erc8004:5042:122552","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. 0x2e232690ccc79051413016a311148fb5d4cde48d45e72c853e299a5bf653adeb
2. 0x686ba9fa71aa3e03357ed4e634620556166f18c77755040ef9328c3e118d56cd
3. 0x7cb4a5a5b34513e488d0953ada5f1b85eeb7a78986e0c970b268881abe42b4f2
4. 0xcdc5caaf10e743846a8ec6a41a7b528dba767fc4ed398d93806f8cbc1145cab6
5. 0x7912012b90ff858af18d82e5754ad58e541466f7377378553bee0b350b20e460
6. 0xbd556254671b3ff3df61342d5e310bc4d961b4d7ff06dc556166fe37ea4f6950
7. 0xda20588e6a37c4d0b908ca331375560a907d8fa5122b98345a62b8eae59391a3
8. 0x4f558a95dc3da6ec2f4d448b8192ef3d5a408d7c8fb85c5e143f8ff79bd5655c
9. 0xf56a2d0771aef113a760ae5bebd2696a7bcbda2937afdd765326402379191fe1
10. 0x07db815af4132f351c5ccd74b0d2462f848111a36340039762c1bb3b1110a640
11. 0x9e5c5ba467123ae302f8870ca25b20e27a1394e370b4fd36f750417e36f1a6b2
12. 0xa39f479631c3d9f1120fe6d97a0b21058e85f7acd7b66ba73bd6582ec4dd0f36
13. 0xf1aa667ce80c3cfa851957b2154c374229551d079e3666ba4d1ea5e32bfbe79b
14. 0x037a66c2ea899586d58b52761f6b950a97cda22bb80294e40013ebea171a684f
15. 0x9cb76be6423133397c3da69f801d6af35dcce77b458aa17bd796c877ed7bc8fd
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af