Evidence row 2183542

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/JHSrjt"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7028877a-5a96-42ec-901b-553f3d6ad972/.well-known/agent-card.json"
    ]
  ],
  "name": "Foson",
  "owner_address": "0x07eea4bdd09b3e522d117567ab2cf028312e4da9",
  "raw": {
    "agent_id": "117911",
    "agent_uri": "https://centralcity.ai/a/JHSrjt",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Foson 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/JHSrjt",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Foson",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7028877a-5a96-42ec-901b-553f3d6ad972/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/JHSrjt",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T17:42:33Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Foson 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/JHSrjt"
}

What the leaf hashes

{"body":"6efce0c80d33e758078cdf55ccd2be906bc14c19f2c6bbef7c9bccdcaa2a5062","id":2183542,"kind":"listing","method":"sync.erc8004/1","observed_us":1793641353789713,"prev":null,"subject":"erc8004:5042:117911","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. 0x2399d114d48041406b6d509932cec0c60ec069a65a871123a7ba83de7db3a7d4
2. 0xe35da66771b568d40b0b9239eeab48b660b8e70641f12be02920a2adc62a79e9
3. 0xcf24896887694329f4555af53383221fd91c0d18cf67632fc96a431f5fafa482
4. 0x8def1ab42303c7124baa714976303ff378a59f4f6394b667f42e3e52f43a207e
5. 0x3ea0a75a2e9635d08396c8b89ba2ffc8b5f6200aa6471f237c90c6bc4feb184e
6. 0xd6251816b2fc0ced6147794886a3e0bb68f447a8d859d342934f6144b449f513
7. 0xb3886eec0bfd7c97cbd8c1f57442569d9635ff921ce3969575af9f94aab86c5d
8. 0x3d055dc76a92746cf5df7b10c76ba80131a6585b860e19f5e9ad65c4576e3c52
9. 0x1afc0f2d9bc24388b402cddb8a1d7dd7b31ee6ad6ae61d7f3815621a3b79ee32
10. 0x7de7e8d8336c6c9cb25078217334cea1dad41bf275352d787a7e2b1c8c0025b2
11. 0xe599b947a76950ab1b6dea723a52b18fe2cb7489b3d2e5851f8ef0c61a5473d5
12. 0x251d841339877e796da5eab4731d6e687d4499550524134c4f906c15be505323
13. 0xf93fa2cd854f8a27091bbeacf6b201fd8e00bdda94b33ddd84474a8e39b2783b
14. 0x401f99eb33c3aca7fb1835eab8a9dc02765c5e3996fc9560617f4be6c7c50067
15. 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af