Evidence row 120475

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/page/health"
    ]
  ],
  "name": "Saylor Innovations HTTP Health C",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:pagemeta:health",
          "name": "USD Coin",
          "note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
          "memo": "saylor:pagemeta:health",
          "reference": "2fkxhw3srTzWR17DvadqLL2LSordC5LQe7yePbNPv3Rc",
          "session": "eyJhcnRpY2xlSWQiOiJwYWdlbWV0YTpoZWFsdGgiLCJyZWZlcmVuY2UiOiIyZmt4aHczc3JUeldSMTdEdmFkcUxMMkxTb3JkQzVMUWU3eWVQYk5QdjNSYyIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyMjQ2MTAzNzQ3fQ.ZVNGAIrYo6GSIarHcFbm_tU6frQjy9dosKhwKSHefxY"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "HTTP health check for any URL - up or down, status code, latency, redirects and server header",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "url": "https://example.com"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "checked_at": "2026-09-30T04:00:00.000Z",
              "final_url": "https://example.com/",
              "found": true,
              "http_status": 200,
              "latency_ms": 142,
              "redirect_chain": [],
              "redirect_count": 0,
              "server": "ECAcc (dcd/7D5A)",
              "up": true,
              "url": "https://example.com"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "POST",
                    "PUT",
                    "PATCH",
                    "DELETE",
                    "HEAD"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "url": {
                      "description": "public http(s) URL (query)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "checked_at": {
                      "description": "Time the check was run (UTC)",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "content_type": {
                      "description": "HTTP content type of the response",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "final_url": {
                      "description": "Final URL",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "found": {
                      "description": "True when the lookup matched a record",
                      "type": "boolean"
                    },
                    "http_status": {
                      "description": "HTTP status code returned",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "latency_ms": {
                      "description": "Response time in milliseconds",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "redirect_chain": {
                      "description": "Redirect chain",
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "redirect_count": {
                      "description": "Number of redirect",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "server": {
                      "description": "Server software reported",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "up": {
                      "type": "boolean"
                    },
                    "url": {
                      "description": "Canonical URL",
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "found",
                    "up"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790235422/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-17T14:06:23.778Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-17T14:06:23.498Z"
    },
    "resource": "https://saylorinnovations.com/api/page/health",
    "serviceName": "Saylor Innovations HTTP Health C",
    "tags": [
      "web",
      "health",
      "monitoring",
      "metadata"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "HTTP health check for any URL - up or down, status code, latency, redirects and server header"
}

What the leaf hashes

{"body":"833f5c41b0f469f9c4f90b033df0f92cb8c2963f16f0bd83dc2f7dd09d3a27e3","id":120475,"kind":"listing","method":"baseline/1","observed_us":1793025618120102,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/page/health","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x554ac2163f1245c0a2eff0561108f16787be59bc3732c75d56eebdf2326ebd86
2. 0x324740fd7b56ec233aee717d10403eea424a8b9bb76d7969d7979814aa3e1c34
3. 0x95f0f54a701d8c99a5becfe92a3d51efb411bda6c7c868aead734298fb8b44fb
4. 0x012e74609fca17df6db9a790defda4cebddb9e9a50c432720c3e90464e0a0e43
5. 0x6116e36a75dd763c3cd1c7d7a37276e131444ecfb583f934a9cbf11d5a5776e5
6. 0xb09d2602e8bd79e5b76b71c88cf7f25d213dbf0b096dd4a7d368575536a300f0
7. 0x36fc534fbd9ad6ca31036fa1a0e39ff1440fdeeded774bd37cd234ecf33719fe
8. 0x8dd33bc45382252783e2db9c0d63124d4aa409a816df1e5b31b482de10c91632
9. 0xe8d6bef6b0548c7df2f3941c57880f49bceb85e42337a398e6bff90c1f57cd9f
10. 0x3cadb5d542cc300f6ebf63e414bcbe7c2b0a33fbf3c4f33cede757b58d44eba1
11. 0x8bfd0cb3fe1b89aff78054dc0373bbd54ebd61d68eb05854663a1667ccf265ff
12. 0x31b890f57b06aeb1ca9fb0cdc688bb75678ab9b2ff8ba49765e3d7bc0ae98597
13. 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae