Evidence row 2083092

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ITUcMr"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/46bc35c7-00f8-4729-aed4-55151f650630/.well-known/agent-card.json"
    ]
  ],
  "name": "Hassano",
  "owner_address": "0x0e12136293af31557c6a9c4e9cbe17d8dc890909",
  "raw": {
    "agent_id": "73167",
    "agent_uri": "https://centralcity.ai/a/ITUcMr",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hassano is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/ITUcMr",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hassano",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/46bc35c7-00f8-4729-aed4-55151f650630/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ITUcMr",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T07:22:28Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hassano is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/ITUcMr"
}

What the leaf hashes

{"body":"417bb984e2f99933b84d64efedc2498d62ef79297bc714bbc7b85018ad4987b2","id":2083092,"kind":"listing","method":"sync.erc8004/1","observed_us":1793604148573661,"prev":null,"subject":"erc8004:5042:73167","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. 0xa2f63f4eb993d93412025f139268ca97ff161527457b04f224a2a2d0c05278c8
2. 0x860fbf791cdf97b2e0e384f6bd5834583fb9cd149225ceb4bbed07602efb703a
3. 0x5f120af6602332bf763f4d4548558365964356d1dfcd8d8b3b69775f99f9c94b
4. 0x1090caafa5c9f605cb271e1a7be1d59158628a654b3df69ac29c6b2764375b89
5. 0x0a1b8a152bf0df9bf5ec413aeaa281c2475db79d3d1ba4b1a5c913917a50805c
6. 0x6c1af3c8f10537fa3263751ca2f34ca6243e2b1110dad2f2989d8bc525f258fa
7. 0xc564c21f40810d17d22c5ac5740742f54133ba119363bbb2cd4c8b86908f4d1d
8. 0x3cafc11354032c45159cafe2baf37a49a98b1a485ac6d94653a31622779eb3b4
9. 0x47805e0018d7d22a457387069975c89b7c8d6b553e3ddefbd7022499088bb586
10. 0x49bb2915194f432cb0d64aa1a7af9a4d9bd79122c78eae75598c6879c992a8c6
11. 0x1a72386eeb3155e6c1c223e85f40e2330fd36b6c95b1a07a3660d54f818c9a0e
12. 0xdf5c4b79740f563a59efa8c3adec2be4903d6cc5c8737dd3d136af8c1f9baa74
13. 0x6959682af8334329ff865c5705b67dd969fc79c93745d2bb5b28573810cfc1f1
14. 0x44d08992eb52b7db0b3504ba234d634742d61c21889da1eb00242ce07e97334b
15. 0x7abf7290721a0b95be706db03c09de9df65bcba8e18ffe4616da43d9c31d6b0a
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af