Evidence row 1751676

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/2xwI2T"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/19081a1f-078e-45bf-ad8c-73ffa364aa44/.well-known/agent-card.json"
    ]
  ],
  "name": "Desso",
  "owner_address": "0xa22f58e0e510b99ffef90c6b82eba21cc1399a8e",
  "raw": {
    "agent_id": "2921",
    "agent_uri": "https://centralcity.ai/a/2xwI2T",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Desso 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/2xwI2T",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Desso",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/19081a1f-078e-45bf-ad8c-73ffa364aa44/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/2xwI2T",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T08:26:57Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Desso 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/2xwI2T"
}

What the leaf hashes

{"body":"8ac03ef01dadc5664981072dcd03270953a90ff0db0042186de0c805210d3170","id":1751676,"kind":"listing","method":"sync.erc8004/1","observed_us":1793521617069254,"prev":null,"subject":"erc8004:5042:2921","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. 0xf0954de8780976078e1c549d47e6018e57b8ede8d3aee7a7b9d1b21dd6e12590
2. 0x588ded3784442b7c8e5dcf07a41e0c7c61778ebbaf5f80a559d5275db1eb84cd
3. 0xece9c613bfb66631e532dc70cd6563b8181ad4ad8db2d3d093a86fa2ce6428a4
4. 0x24928be994d9f598b4ac2919699eaa67c28b1a64092235a128a4c63a6d78127e
5. 0x61d8205b67910bfb673a1e29d5428a21e292676b5ad4f8e7919ef89c92541cda
6. 0xd0ccacddb0be69d3b6a88cbf8fec0a1becc01e6c89d537c58b0b71ecd0b78fa5
7. 0xb0cc454a8724afcb883838f739450879c06deae24f5431b0f213d11778274285
8. 0xb11ab90622be1017da490a179a17a8948bf11732a915b458a8ff38932a03d3b4
9. 0x67823e4e50198a14d072dcf7c1955fb31278474f3d97c90230e655566a1b454e
10. 0xd1dadfbe73741a12455595ff67e83e820ab7cbcb5fc07c27f44d6161ff712b6f
11. 0x2a04451a5494034df3df68369cece45c1c911f4588743237ff1da2c6dd01d2ca
12. 0x1b5a8d6f871c578c6ca98d6b748b9433c45f26a6046ac5e84ea6551e53a17ec1
13. 0xe90b78263bda6cf595e6506f00151a77021430873ffa310d8a01f67d8991ca3d
14. 0x80f03705ce9ab50e28456bf4bcfc03de151f183a71db3234274287a24f946a1d
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90