Evidence row 3440606

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/HSNRBp"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3c23b6bd-c5fe-48ac-befd-67819c4b8ae4/.well-known/agent-card.json"
    ]
  ],
  "name": "Kantabel",
  "owner_address": "0x1644bf9ff4ddaaa8ee45ac3f0f2d9a2ca775c6cc",
  "raw": {
    "agent_id": "348544",
    "agent_uri": "https://centralcity.ai/a/HSNRBp",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kantabel 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/HSNRBp",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kantabel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3c23b6bd-c5fe-48ac-befd-67819c4b8ae4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/HSNRBp",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T18:37:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kantabel 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/HSNRBp"
}

What the leaf hashes

{"body":"58785b3237dc7d62ead9f8eabbf53f2c50e4d9535a68ce9ee457ceb26d9cfe30","id":3440606,"kind":"listing","method":"sync.erc8004/1","observed_us":1793903863079462,"prev":null,"subject":"erc8004:5042:348544","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0x8df2f2bb002cd4a862880459af24e70512d35ee7bba4cfa9a40e746989b39909
2. 0xd1ca2ed7122b32736ccf1bacde63dd5ce658383dbc56eed05ea9cb191d33b0a3
3. 0x5e214ebb923bb770dab61cdb557e467ec00a76421418231198bbb8a45ce48e2c
4. 0xd0ae12d6d39c866f4849ffd54bd4cfe00736f2a82151e88330e0d20eab70c2ec
5. 0x995bbb19f7fab851cc8d513452ffd6a6935fdc773b1c622c827201b5a41ae65a
6. 0x6a32a2e3d0b24cce168474b956e8966d3236a90406b2cdc95ea2196e9b9a70f4
7. 0xdda5a5d90e779dbfc0d572add5e478b720e6659d2946830a90736718748f7895
8. 0x53e7da239d7d85997f1611d802d8d4692df4509d6fa9e003e2fe52853184dc62
9. 0x74480e9a5c714c62bdb25b687362b665d1cdcd04e1ce2f7ba8e1e447847f0c60
10. 0xa1e7c071f69d7db79a85cab3783f6c9621fc85e18237bc4edd8eb3bcbd67147c
11. 0x4dcdcca85e4208d9e481751eb861d2842f0e6acf09ee3379d2bec8f0c15dc986
12. 0x53a0552e5763810f9ed6cdf5e9dac9bcb528aa748119fc349baf43e6901b9871
13. 0x2b6086aadbebc8556db9b7876925a9867c7e2dd8b74a64a7816bad481856c109
14. 0xb09333620e45bd22d68e7eda9b4f6597d61b21df0d3c512813281cef1366dbc5
15. 0x1a1af412020b11baae1f58b16dc455a4c19a3c7ab9a1aeceb07083214f5a8b8e
16. 0x5c64b7138585466e7e8be72af6f3dc72c511db2c0c1dc5b6e34ad4e9456c2308
17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94