Evidence row 3376960

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/uZHuYO"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e4b8037d-a944-446e-890e-af1d33097eac/.well-known/agent-card.json"
    ]
  ],
  "name": "Gradero",
  "owner_address": "0x19a4850ceb8ec1010cca285a0e43d75db59b9c17",
  "raw": {
    "agent_id": "324254",
    "agent_uri": "https://centralcity.ai/a/uZHuYO",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gradero 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/uZHuYO",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gradero",
      "registrations": [
        {
          "agentId": 324254,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e4b8037d-a944-446e-890e-af1d33097eac/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/uZHuYO",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793866850,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T08:26:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gradero 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/uZHuYO"
}

What the leaf hashes

{"body":"06c833ce51f4f65a87c330865275c773e1ab19b69b81af8e8a1b061b24166175","id":3376960,"kind":"listing","method":"sync.erc8004/1","observed_us":1793867171091267,"prev":3376390,"subject":"erc8004:5042:324254","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. 0x89858f76d2d9e9ff9ccd1ee0d9766dcff9a188f17058f1f174862197f9cfd45f
2. 0x8cd3af5f794cb3d3739fa092560d9271d021e1e9660af102b184b531add6e095
3. 0x9488b780e7607d015c7d800be1899075dac4fae2aa5c8464b8ba25251e326f6d
4. 0x9f06d047e8e2bcf938d696c29fbed40d70a76f3b40ec2507c237b9b4d5e3e883
5. 0x030231ce7e26716fc05ed12df25d38812dc130c89522230b7e1a8a4dfb1b4679
6. 0xe1928a949c795d0ebe040c8325c3b27e79cf69d0a7cc8aacda951d85418f22a9
7. 0xf4ea412f55fea8377f640a8ea0acb992af185296603300127d64798d86f4dd56
8. 0x6f701a93e81f1f664e49ce07db394e121f660ff0dc06f4610fe3f65a35f1fc6c
9. 0x95cee6cbb8c00d17394faf851dc58f0ca443f98e32fb4ebfb3cec4b89eddbca7
10. 0x164e0755ab44b5a0798c28de8e3f6e01bc56f0aa06fbf2071cc86ac1bfb93dd7
11. 0xf48cfb224c725783bef8ce4285402a04ebe49ac77429520e9edcdc878bb0bae4
12. 0x7e8581639563b98aaa7081bcefbfd3cd60a397669f211d921b728e659e41dbf3
13. 0x3e9755642a246c284551c3b1f3b1218a5ae17ef8f2e97cf15758fe25ef2cfac6
14. 0xb09333620e45bd22d68e7eda9b4f6597d61b21df0d3c512813281cef1366dbc5
15. 0x1a1af412020b11baae1f58b16dc455a4c19a3c7ab9a1aeceb07083214f5a8b8e
16. 0x5c64b7138585466e7e8be72af6f3dc72c511db2c0c1dc5b6e34ad4e9456c2308
17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94