Evidence row 2920670

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/DZ2ipA"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/22033991-5a57-41df-9fbb-c58f4a9f3da0/.well-known/agent-card.json"
    ]
  ],
  "name": "Gumert",
  "owner_address": "0x28741e01d5981d15ac9cd6d015035fe598cff5c1",
  "raw": {
    "agent_id": "215588",
    "agent_uri": "https://centralcity.ai/a/DZ2ipA",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gumert 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/DZ2ipA",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gumert",
      "registrations": [
        {
          "agentId": 215588,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/22033991-5a57-41df-9fbb-c58f4a9f3da0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/DZ2ipA",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793753905,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T00:59:56Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gumert 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/DZ2ipA"
}

What the leaf hashes

{"body":"8388aee5cc2c400dd7ac8da998584d296f39426334bf4839b2a1a812bcb8949d","id":2920670,"kind":"listing","method":"sync.erc8004/1","observed_us":1793753996889922,"prev":2920258,"subject":"erc8004:5042:215588","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. 0x23efbbb56f388efc9a26befc1a6e344d0966276bfdbc1e4aa2f85abaff7808a2
2. 0x3c00aadb5391644edc126df312209502f2f9e7d83aacada3b56ffb1867a4950f
3. 0x6af9772d57a9fb832ad07815b5ec1b8e9b6d6fb6fa8df7ac12a6ddf4e0b9dcae
4. 0x07164717616d4ee4429f58f1d8cf4bdd00736535788ebbc7d2b8662be4502d51
5. 0x5201e2204070bcdbf8ac181a5b2d9025ab14769a7598560357a0be0171d99407
6. 0xfd2d662aabb0863269a1322d335832d28af642641bb7194ca91b979ab6344755
7. 0xeeaeabc708584848d3daa685d59d7a538ee48af0364831275242155da69a7cfa
8. 0x1b86cc71407e335236d3034c1c9c72c3a5a3ca208c6d6b0b3fe6ca1034ad2586
9. 0xc5f87855bba732cabf88bb18e5e2b562747e2f08926e80cce8db054dac44ae98
10. 0x50122776daef3fad244d8bac61047e6cd91c891e34d8523b2460cdfe462ff90b
11. 0x39d773b3e3e77e7ecf4da22657e174420cd29aec7a3d9f71d45229c2b80e67b6
12. 0x737b124a2a3259b49cccf746dce043d79aaf97a57c139d2cf631877e17f75888
13. 0xb1276e1f18f62d3b9c0a70be1610841483216e942feb1363145e3c1c0833d0ff
14. 0x982622869faf0b6bcbb8f0ada964d53e5e1bc6926f14fa553ea0b7f41e0643b7
15. 0x4abf06392be817fed1d4142854589c0ecb4a0254010bceee86244cf6d2d411f3
16. 0xa9c5ec1f03532da98f64c2c9386083d4c5202ff37eb07bd4beb6b8db6e4b8c1e
17. 0x01c26569ec8e231551522ab452fd5d417c3d66f29c7c76886a8ec295a18dd624
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345