Evidence row 1826980

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/g6N2AT"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/eda44080-e2c3-4917-8b50-4c5e04051109/.well-known/agent-card.json"
    ]
  ],
  "name": "Piostino",
  "owner_address": "0x2ffefefe633dc5f6f4ac0d806c0dc04332004ab8",
  "raw": {
    "agent_id": "26991",
    "agent_uri": "https://centralcity.ai/a/g6N2AT",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Piostino 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/g6N2AT",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Piostino",
      "registrations": [
        {
          "agentId": 26991,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/eda44080-e2c3-4917-8b50-4c5e04051109/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/g6N2AT",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793566946,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:04:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Piostino 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/g6N2AT"
}

What the leaf hashes

{"body":"e76442e4b5b9536564c8febe2ed845e7a1e25cbf6f8667d517db50c77e71f569","id":1826980,"kind":"listing","method":"sync.erc8004/1","observed_us":1793567062313112,"prev":null,"subject":"erc8004:5042:26991","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xf6f6db7b659af26c3dccd280c26bcb066878e8b28bf3737bd2599727e29f0d2d
2. 0xfbb3c8b4df9bb128876e289435d36a8dcb30ea094e9f8576c6f037de9cce0238
3. 0xfeaa0f450b175a6dec4d89380b9f7577d3b98c56560dde125db323640dcf2419
4. 0x29b76b770eeb07d5bfebc079edc63b44153547d88b07100afdf4b6b55244cf27
5. 0xffa5b98f7a1176bab96720487c90a07609c94c32b5bdb11c48aad204f6d102ba
6. 0x4a406e6e397f2810667c553386c76e6fb884ba9c3942dcb3f8148efa2c0db56b
7. 0x0ab0c64b6c7d64a2d110d047339990514fd894b72428ae6e35c9da8eb9569c27
8. 0x1938e3a9e4d1004b086d519b6970ab4f95a9367819b45cfad8df7d5ecf3f6240
9. 0x32d4f9d369b62ec82a5911cbf180eb371a0a192c78209c3e0d6e4dadd401407e
10. 0xc593e99c2dfc892a3d3699d4b79d6de9072f08222e0041d7f2ef81c778c604a9
11. 0xab569470f180e4f9980adbd339a0d63b0f20ab53bd2eed2898c06598127a5434
12. 0xf8b312afb71abc1ae9fcd8b8858e0a4351bca64770e3521c0f4b8ea86a8933e4
13. 0x4ec6a6783b0fbf13d364df34dd919edbce7190c4f5424e6bc50d2f35967469a4
14. 0x9b4eda8f413d128915df51c98c771c8ee622b35a4252b9c2a803dd51ad66d4c8
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90