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Evidence row 77232

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://loonie-toll.onrender.com/streamflow
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
720ed96a8ac429afa35a9d792c3f62357e6d1f55e02f31d1b46c442c6e712886
Leaf
0xe419b44d5183099ba634be03c9238376ef0042302119b3d474ddcc6bdb7f2ff7

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://loonie-toll.onrender.com/streamflow"
    ]
  ],
  "name": "ClearCheck",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Live streamflow for a USGS gauge with a HIGH / NORMAL / LOW verdict vs the site's own median for this day of year.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "site": "03431500"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "discharge": {
                "observedAt": "2026-09-17T10:30:00.000-05:00",
                "siteName": "CUMBERLAND RIVER AT NASHVILLE, TN",
                "unit": "ft3/s",
                "value": 9530
              },
              "disclaimer": "Advisory only, provided as is without warranty of accuracy or completeness. Gauge data is provisional and subject to revision by USGS. Never rely on this for flood safety decisions — consult official …",
              "gageHeight": {
                "observedAt": "2026-09-17T10:30:00.000-05:00",
                "siteName": "CUMBERLAND RIVER AT NASHVILLE, TN",
                "unit": "ft",
                "value": 17.29
              },
              "historicalMedianForToday": 7850,
              "query": {
                "site": "03431500"
              },
              "reasons": [
                "CUMBERLAND RIVER AT NASHVILLE, TN: 9,530 ft3/s discharge, gauge height 17.29 ft.",
                "121% of the historical median for this calendar day (7,850 cfs over 16 years of record)."
              ],
              "retrievedAt": "2026-09-17T16:24:44.671Z",
              "siteName": "CUMBERLAND RIVER AT NASHVILLE, TN",
              "source": "USGS Water Services (waterservices.usgs.gov)",
              "verdict": "NORMAL",
              "yearsOfRecord": 16
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "site": {
                      "description": "USGS site number, e.g. 03431500",
                      "type": "string"
                    }
                  },
                  "required": [
                    "site"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "discharge": {
                      "properties": {
                        "observedAt": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "siteName": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "unit": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "value": {
                          "type": [
                            "null",
                            "number"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "gageHeight": {
                      "properties": {
                        "observedAt": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "siteName": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "unit": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "value": {
                          "type": [
                            "null",
                            "number"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "historicalMedianForToday": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "query": {
                      "properties": {
                        "site": {
                          "type": [
                            "null",
                            "string"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "retrievedAt": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "siteName": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "statisticsChecked": {
                      "type": "boolean"
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "yearsOfRecord": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-20T13:36:55.675Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-20T13:36:55.335Z"
    },
    "resource": "https://loonie-toll.onrender.com/streamflow",
    "serviceName": "ClearCheck",
    "tags": [
      "government-data",
      "compliance",
      "verification",
      "public-records",
      "risk-screening"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Live streamflow for a USGS gauge with a HIGH / NORMAL / LOW verdict vs the site's own median for this day of year."
}

What the leaf hashes

{"body":"720ed96a8ac429afa35a9d792c3f62357e6d1f55e02f31d1b46c442c6e712886","id":77232,"kind":"listing","method":"baseline/1","observed_us":1793025493493308,"prev":null,"subject":"x402_bazaar:https://loonie-toll.onrender.com/streamflow","subject_kind":"source_record"}

Proof

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

  1. 0xe4195f78ec2612a15615858569d4308b199b0900e1d6cfb202810ff5a22c61ae
  2. 0x7e278ba19b66f64268f239968d3f55dbd626af53f2e2ea4c2e0b77d896a4f3b1
  3. 0x425c98b50ea209458da098e3d9142e5eea5bc9d75a76dedd3bb2f79c8e9fb1a3
  4. 0xaba30e8cf66a7d8503a426ead0c38dcb65d34e607ae61243ffdfb50bd09c0295
  5. 0x65643ce81a8a437c018ee492d0ea1ca8ce4b93f37001fba03084832218b46074
  6. 0xc2a49c457c9afeab78520511c4aef0b55498b1ce6b1bd065a4706cee649b422c
  7. 0xfbc73f09f448cd51bc9b1b63c006cdb6d8cf665e0d4fb9a190191db266e69baa
  8. 0xef83bea5e8b70f345bff72e370234bbbe5a17ab662cbc06ac11ca3543f4eeb03
  9. 0x444a7376940e2830bf72adff90bc8741426d1d746343c45469f2b29d6ccebab3
  10. 0x15726dc36d12291b4937cc1d22f325d4939ad46dd10d4e44468a88a8cc8329ed
  11. 0x162e0da99198c9cdc9c43bf4626e85f4a7092fdb31ea15c7126e1f98b20eaa56
  12. 0x2fc38b57208d692aab1ee89b6e26917df292126314027c27360c5644a63fd0bc
  13. 0xc0924a0807e534382f518663123231c317124338831a2b310de2c17b09677086
  14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
  15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
  16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
  17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON