Evidence row 2201742

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://hvac-calc.x402tookit.com/mixed-air"
    ]
  ],
  "name": "HVAC Airflow & Load Calc",
  "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": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "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": "Mixed-air temperature of two airstreams (return plus outside air) and the outside-air fraction.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "cfmA": 3000,
              "cfmB": 1000,
              "tempA": 75,
              "tempB": 95
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-12T23:00:21.249Z",
              "degraded": false,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "mixedTemperature": 80,
              "notChecked": [
                "moisture (wet-bulb and humidity of the mixture)",
                "stratification in the mixing box",
                "…1 more"
              ],
              "reasons": [
                "Dry-bulb temperature blends in proportion to airflow."
              ],
              "source": "computed locally (flow-weighted average: T = (Q1 T1 + Q2 T2) / (Q1 + Q2))",
              "streamBFractionPercent": 25,
              "summary": "4000 CFM mixes to 80 (stream B is 25 percent of the flow).",
              "totalCfm": 4000,
              "verdict": "COMPUTED"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "cfmA": {
                      "description": "Airflow of stream A in CFM (for example return air)",
                      "type": "number"
                    },
                    "cfmB": {
                      "description": "Airflow of stream B in CFM (for example outside air)",
                      "type": "number"
                    },
                    "tempA": {
                      "description": "Dry-bulb temperature of stream A (any unit, same as tempB)",
                      "type": "number"
                    },
                    "tempB": {
                      "description": "Dry-bulb temperature of stream B",
                      "type": "number"
                    }
                  },
                  "required": [
                    "cfmA",
                    "tempA",
                    "cfmB",
                    "tempB"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "mixedTemperature": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "streamBFractionPercent": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "totalCfm": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T23:28:14.801Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T23:28:14.623Z"
    },
    "resource": "https://hvac-calc.x402tookit.com/mixed-air",
    "serviceName": "HVAC Airflow & Load Calc",
    "tags": [
      "hvac",
      "mixing",
      "outside-air",
      "economizer"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Mixed-air temperature of two airstreams (return plus outside air) and the outside-air fraction."
}

What the leaf hashes

{"body":"ce4afe72539284ed8d943c92e6899dd374c6b3ed40005cc1f0a9377e7cd04565","id":2201742,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646808729249,"prev":null,"subject":"x402_bazaar:https://hvac-calc.x402tookit.com/mixed-air","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x92d594f40a3fe25a2e0f18235d9e935af66957fdbd17cc41cc96f6411d774830
2. 0x5a7c6002a5b412024344fc538afa34cbd68af9d53b3c9058575b80b417398fa6
3. 0xaf126966e2253c4e5ba79867bcac1a844ea5410cb91b4afba752e574a78ede47
4. 0x858462f98145ee66e7a4b3921b539995a1e4ffa4167b546662a7ed20e54ccb58
5. 0xa7cb2b2cb9deb721c15c79d338de505d97100e8a12f3e311e8bd33b6eefdcd8c
6. 0xa501983d828545b4600acf96c0ff9e354104e3905a8cf3d173f83c68c2df18bd
7. 0x646fd37bd4c192edad5171746b990d830c64b8c7692e90d68a605cbebcd38ac6
8. 0x2d959172251bb526e560684a18e25e4697b97dd28963ea8318714ef616559a55
9. 0x12efcc302e71397efb4903da01edd13e0f962753126345ec6539cd2163422ecc
10. 0x86eb66381b499f04c219b4c572ee7d18f58df5d6c2e3b1c3daec564b33386806
11. 0xa139defc534a4f37fca6b25f0e9099854a709fc1a1f9c16c1db48e18213ea388
12. 0x132b7eb9839b9a3992040318f9144c58f82ba495d3a19d95d05ee1b6917c441b
13. 0xa17f6a1bac5d26cc57d2e02b81d6f7d4d897fa15d99d32d506b3ff7cbcfd9c03
14. 0xece99d4dfafa93913edbe131eb22b3d7ab2648b58b5bd9dcd361be4f8953b107
15. 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af