Evidence row 3969659

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": "2026-11-04T04:56:46.773Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-11-04T04:56:46.499Z"
    },
    "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":"4782cfc61802a324663544292b7468e32ba52c9ce1574298b3fd2e4fefa9e006","id":3969659,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794083581486223,"prev":3766425,"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 2026-11-07 (195826 rows).

1. 0x75fef60b4f9cd52afe0d9af6e95d2678f6bdda9910ac077b46405f7c8d3c8c81
2. 0x6bd7fdd585fb2766672fbdd0e7643d3cf8e8a08ec9311bc78457d0a19cb92745
3. 0x63660d838200e876881ace28b92dc28b039971a2ef1ec154a68c7c5602c60e9a
4. 0x0f8a741d177d836dd61cdd00927b0d319e75a0840fe915fccd70670e32209bc7
5. 0x33eb28b0cbcffd1fe82465f00448fe42d144a4360eb6d34b4c787892381e11b4
6. 0x9164653c82bf9c1787ea1c74d4bef2a34794ce7f5a003bf6ff11ae6f6a2aa11e
7. 0x62c6dc4690ab8ca154effe9e79948027afe65a34238ef9269376e339c6ab179f
8. 0x233c251da1771f757b945b186b69dd84cd8a8dfabc7658f08c134dfe1f4ebef3
9. 0x6c30f5be636cfbec8fb1143da5025ec59f7852e67c1b167e364be980d6ea745b
10. 0x307b5cf811a84d28273aa972baf1d398e1ed1ce8f4625ad86437bd76fd98c25b
11. 0xcef2977ca53fe2e55c6cb688cd963f00350f79614dd0f54f091079b2fac2a70e
12. 0x0b31d2a7f3e29cc3bf3fe77e26ad8862a5d9689c0cf78f625ff1f1a148592bfc
13. 0xd445f2917713e4a9cf58e8d6c62200bce02b187115510c936159d350d5797da6
14. 0xc9930015910e15b4a3ee7fa6677b93ccee48576a50ff5a3514be8ce187946e8f
15. 0xdda41bf8f8b807884588170276b0203d24918e4a5c47ba7f4d5d0217f85e0cf7
16. 0x9108c80d13a11b7549b554924410a7c5d215a2cd03aee9659ca627cb099f1a2e
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa