Evidence row 3378475

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/dGV2zX"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a321965b-724c-468c-b7e9-deccdb323289/.well-known/agent-card.json"
    ]
  ],
  "name": "Kastel",
  "owner_address": "0x6644e7880b22a445ea7a42bcfa16fab24eec2a3f",
  "raw": {
    "agent_id": "325464",
    "agent_uri": "https://centralcity.ai/a/dGV2zX",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kastel 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/dGV2zX",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kastel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a321965b-724c-468c-b7e9-deccdb323289/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/dGV2zX",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T08:32:46Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kastel 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/dGV2zX"
}

What the leaf hashes

{"body":"6e845a973ea3b628e0a5447ae97afe25af502c5d1f36429a8263fe341d756b89","id":3378475,"kind":"listing","method":"sync.erc8004/1","observed_us":1793867566686697,"prev":null,"subject":"erc8004:5042:325464","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xbbf6917e1c7d4c10e8d887f17b57df12bbc8a61fe9558a47286f95cf0f91920b
2. 0x156f3e095eb41d1d49f244fe34d79c0e599273683065cb7df1508876fc8e6493
3. 0xdbad63a2efd8e7008b4dd568e4632111ed86a2f118f2bc5aa3a1474c44b6e392
4. 0x1e232dd50fcc079b05634cd021b49a5f5ef70488d691f087fcea75821936b16d
5. 0xe699be03ba4ccab2327ecace177cab34301505e51143185fd521b1fa804c330c
6. 0x4e1ff0a9d8ca8806cee01192ce0f085e8271e8a6d18be9a5f6018d5c28b0f565
7. 0x2147dc0f637ecc17fdedd396f62226abbac568ee7f16623b6707cfb9922e5aef
8. 0xdd100cd806ab9465951fbb71e7158ec2a9068be5bd0261d71ec5cc35b72401aa
9. 0x1f5b7c8302cc706aa5a4d30c1d78712a969fbf71a97797bac47298bf57b5de84
10. 0x45310a0b8de11d24a546c4b8d960881011c5177fa0df9b0d7b886b9a0680eeae
11. 0x60454a20784e423215acbb8a8578ef2613a0909a2b5e5de1c867c5bccb019361
12. 0x49826dd2ed27100a6876197c00d27e7e258901ea963192e545260753ee2aad9b
13. 0x4d1a3e1629ac94f008f86d640e2215294c455c0cfa68052fe7599448f393c0ab
14. 0xfdff056f2f1484871f49374c23ddba883f11db9a6da6292a7e99a1638cdd3d63
15. 0xbce07c8bedec3bbed9a22d7f4e8aca180f479ed562779a14791c5e82f052e9c8
16. 0x308711d37f87ac2fb79802c45aba249411861d2d093068d1718f039b506d2a02
17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94