Evidence row 1817676

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yUSCOG"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a7f58668-2f69-45e8-86c8-79b3c2ea61ba/.well-known/agent-card.json"
    ]
  ],
  "name": "Brobo",
  "owner_address": "0xe74a8ee009baf66748dc88a97a2ca801cc371091",
  "raw": {
    "agent_id": "21172",
    "agent_uri": "https://centralcity.ai/a/yUSCOG",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brobo 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/yUSCOG",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brobo",
      "registrations": [
        {
          "agentId": 21172,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a7f58668-2f69-45e8-86c8-79b3c2ea61ba/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yUSCOG",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793562073,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:44:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brobo 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/yUSCOG"
}

What the leaf hashes

{"body":"6860bb9e36ed960562df9c2f96661566412508a6aaf75ac1566b4ea90b73bb66","id":1817676,"kind":"listing","method":"sync.erc8004/1","observed_us":1793562251054104,"prev":null,"subject":"erc8004:5042:21172","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. 0xeb84a027d31bed7f334fa214407963c48493461bd0655fae26c42e0601e0d79b
2. 0x83c244e1a882132e3e1d717d1dfa8bde11a746a975f33049d8767df934db72c7
3. 0xef4fdb312d6b88d47488d6b3df271cfdc8d8953956d688837c89c225f5c52021
4. 0xfd2820517fc830e4732888bb438d376d425ae8ef484f44638824330204c1cc4c
5. 0x7c07242e0d7ee6877a051536a2d7aba72db8638fa15b5866b9bc4821c00255aa
6. 0xa60030d1a5716965ac6c8c64e2641b7260934fb16f3e823cbecc47f57d4586d7
7. 0x8fb28acd5bb9a5f30aa270793e43bed530266556358723fad6d4efd5c7748768
8. 0x94b3f8dd8e12c0f777f7ca4de6aced27d7472bae6affc802fb7e4d373a6d9c75
9. 0xc8e4b395c55dda4504aa67230695cde364aa6165d2535bc7d36afc137d70e9e8
10. 0xef8389973185552015293df3eae517aa1c4dc6632f6b890b6ae1f1c425b6a2cd
11. 0xcf85d319d01592149a1b3a3ee05df9c98298acdc548209c6db06bb2ea16719f5
12. 0x1f312e74c87da8ecee6d936c3b2b94559c2f69204ba5da79c6aa8c768064c908
13. 0x0634a45000fa6f73103fbba8bbeae4bebdb256b75effa591aeb1cdeebe8a0e87
14. 0x08ed21745c44c46e78fecd46aa9c74f653629b2db356d3eb07ea5f89f52ed2ee
15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90