Evidence row 751600

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-gateway.ai/api/v1/ping"
    ]
  ],
  "name": "x402-gateway",
  "owner_address": "0x9d305938253c491f7259d437eff064418b3fdfa0",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x9d305938253c491F7259d437efF064418B3FDFa0",
        "scheme": "exact"
      }
    ],
    "description": "Paid ping — test the x402 payment flow end-to-end. Returns pong. Costs $0.001, exists so agents can verify their x402 wallet setup against this gateway cheaply.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-28T04:49:59.878Z",
    "quality": {
      "l30DaysTotalCalls": 10,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-28T04:49:59.477Z"
    },
    "resource": "https://x402-gateway.ai/api/v1/ping",
    "serviceName": "x402-gateway",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Paid ping — test the x402 payment flow end-to-end. Returns pong. Costs $0.001, exists so agents can verify their x402 wallet setup against this gateway cheaply."
}

What the leaf hashes

{"body":"655de4bd61ef129a16e3e6e3fb26f82644b52bbf761cc45a52150466f7599835","id":751600,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178764541084,"prev":125296,"subject":"x402_bazaar:https://x402-gateway.ai/api/v1/ping","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x858ba53d24d76388f9b5c464a7eb2b8015e5cc0aa11a98fcb4d01f554dbd140d
2. 0xfc27f2dfc34a98e4d8a957f264d83d6f56caf5a82917ea2874f9de2a48041d8f
3. 0x402a94584a9d2f4fc1ad4ca33022777afe2e4b47429df4296a43fc1f82bf8b21
4. 0x91078d83cf80356383947e030a6ca55ed9860b9c1ad0f853395d1fbcd99106dd
5. 0x532063f187408c6d23032457583bc51846d6a4f9c3e484b13fb7205f9ca939c8
6. 0x379536b05494d857636ab18d161f4d66ad417e6f56e3521c0c583e8898d81fd7
7. 0x081a7e838cc01573b8f8daa64ef724c75ccd90a995829335cc68055cd875566a
8. 0x5bf2f2ea563e936d4879403b6a8def16ed3eb766d11a51b3ac44fc560fc81b44
9. 0x64204973508f96a9c857fc77a3f5251aa75725f2e46dbbf0d274a25917ef731f
10. 0x59b7de2ea11c7b4f31ab3da7dfb808a1fefb8690fee4dce245f4876ab053806a
11. 0x5c3b34a1e73a08252a701c038bc07ab0d580c84bc225281a90bdd492bc4c6dfd
12. 0xa6ea84f68284915680a0a6f73b497fdc8df5e36d5b7ad061d5bc459081876b9c
13. 0xb072324629a406cd3cdd7c16d50237ad36e849cb87524d54ccd21e2d2c94de51
14. 0x91b395e5953edc1b4bb2db979b59b2d9a20f0df47d841196dccdb5128537aaaa
15. 0xe2f9c120d14f36fdddf9b4e605c5d0b8a13b835e2380472255dc22e14b93e84e
16. 0x74cf00e07b52415c2184cf20be69d195ed2725497a6892c2f3e449497c17d0ec
17. 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae