Evidence row 1847902

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/edNBgP"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/99b0249a-24c5-4ea5-bdf4-dbe4c65001cc/.well-known/agent-card.json"
    ]
  ],
  "name": "Sempert",
  "owner_address": "0xdc7e2ac217436304ac53f75574188a19e2644638",
  "raw": {
    "agent_id": "39571",
    "agent_uri": "https://centralcity.ai/a/edNBgP",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sempert 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/edNBgP",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sempert",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/99b0249a-24c5-4ea5-bdf4-dbe4c65001cc/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/edNBgP",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T23:49:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sempert 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/edNBgP"
}

What the leaf hashes

{"body":"7ab18cbc594ca900331c72d83645e28e66a9a7debab3b8d595c7fc16333d93ad","id":1847902,"kind":"listing","method":"sync.erc8004/1","observed_us":1793576952462960,"prev":null,"subject":"erc8004:5042:39571","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. 0xe9694e376930b570b2115fcf132d1a5f15b416c7fb3f5e34961b9219339c2a70
2. 0x0ea7a4c66c2a1f424579a22bd5edcec257d68d987c27971dd4aa8ae8128cf8f2
3. 0x48a1d46c37a34e6bb963ded87beaba858e07def14d2a1e2429b6531d0620d415
4. 0xc1afa51811a6827f2dfe2cddae6655d49f16d16f84938305edd63b2b5c00aeca
5. 0x0686bcc20acce25ff10be9045b834cb2b475d2a01a238351ee8944b7633dee81
6. 0x4383ae459886816c9d27e1662dc57d84c7b1dd165d22061bfd8a949a2ace4883
7. 0x20f18f6210d89bcdbd5340011e97efe092a6cfad6fecb9dd4b7832c7d6271336
8. 0x06006bdc811d2a3f3c38f52dbe5302d4aa64044d5360e271be3335be4837f3fb
9. 0xa3fa771c6fc7433572287fa4b6101eb8f31a1c0eb2e2833ceb0fda188b082827
10. 0x90595bc25ed3d91a4481a890960e4a61cecebd0bb223fde0cc8f4fc97e149d46
11. 0xad110d4a930c2f5751b57d02f2e1feb666c73638dc8e10a8c668a08b40636a2b
12. 0xa1b3635993cbefb58f74c74567d4bf8407e2138aa7bd738bcbfea2169ff3e13b
13. 0x0634a45000fa6f73103fbba8bbeae4bebdb256b75effa591aeb1cdeebe8a0e87
14. 0x08ed21745c44c46e78fecd46aa9c74f653629b2db356d3eb07ea5f89f52ed2ee
15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90