Evidence row 2201632

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://machining-calc.x402tookit.com/feed-rate"
    ]
  ],
  "name": "Machining & Fasteners 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": "Milling table feed from rpm, flutes and chip load, or the chip load a given feed produces.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "chipLoad": 0.002,
              "flutes": 4,
              "rpm": 3000
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-12T22:56:16.316Z",
              "chipLoad": 0.002,
              "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.",
              "feed": 24,
              "flutes": 4,
              "notChecked": [
                "whether the chip load suits the cutter, material and radial engagement",
                "chip thinning at light radial depths",
                "…1 more"
              ],
              "reasons": [
                "Table feed = rpm x flutes x chip load."
              ],
              "rpm": 3000,
              "source": "computed locally (feed = rpm x flutes x chip load)",
              "summary": "3000 rpm, 4 flutes at 0.002 in per tooth gives 24 in/min.",
              "units": "imperial",
              "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": {
                    "chipLoad": {
                      "description": "Chip load per tooth, inch (imperial) or mm (metric); send this or feed",
                      "type": "number"
                    },
                    "feed": {
                      "description": "Table feed, inch/min or mm/min, to get the chip load instead",
                      "type": "number"
                    },
                    "flutes": {
                      "description": "Number of cutting flutes or inserts, 1 to 40",
                      "type": "integer"
                    },
                    "rpm": {
                      "description": "Spindle rpm",
                      "type": "number"
                    },
                    "units": {
                      "description": "imperial (default) or metric",
                      "type": "string"
                    }
                  },
                  "required": [
                    "rpm",
                    "flutes"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "chipLoad": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "feed": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "flutes": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "rpm": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "units": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T23:35:23.008Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T23:35:22.823Z"
    },
    "resource": "https://machining-calc.x402tookit.com/feed-rate",
    "serviceName": "Machining & Fasteners Calc",
    "tags": [
      "machining",
      "milling",
      "feed",
      "chip-load"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Milling table feed from rpm, flutes and chip load, or the chip load a given feed produces."
}

What the leaf hashes

{"body":"80814eb501c9a2832997a6498641a461663a60d75124492bc4fef6dbafdebafb","id":2201632,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646806957238,"prev":null,"subject":"x402_bazaar:https://machining-calc.x402tookit.com/feed-rate","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. 0x38e6851e93256c9df5a6dc8d7ba9776f0ddf315386fd3518717765d2e4cf7bb3
2. 0x4cc8701ad7ee844c9c717abc5ea9cc27c4c7b5256cc76191d4aaa41d16fa4591
3. 0x87d2abd057f68cb7932cebd22f7853a83727861753d3e697b8458b17f4b31124
4. 0xa267aba189a1011e6a89616c378faccd435381a8cdc801f30b5eee0384f2df5c
5. 0x8b374d85b15989f95fb3acc7f80361b62efca8599e8d27cb5380759e3d9490aa
6. 0x072e4094461c26eb962183a1946fc9db7ed80fdc1048c45fd211587f6bac8af4
7. 0x849023b5d20ed904f62d49593df1af00b38973fe323ddc356f24232f2b51aebc
8. 0x2298d1b3f6eb9463c21bdd5316588942f0e0b1d0361edcde8c2d150d28efcf74
9. 0x946b656c9781d7fabfca751c5340dc4f1bf2f60e8c60650c6daf5cfd3a1deee2
10. 0x20998bce7cd251700f64b0fdfe4f9d6896db67284026df1a721416b1eaab4e2b
11. 0xb107f6cc667be020e4ece08fb1929e98c19e28e28188483bcafaf893cf12f8fc
12. 0x0fd72956710df968a8f58dacdfceb8698025772998960cf002c04225c3ba96b2
13. 0xaee6ec4fc06e2edf4e7718ad8b87a20e5863c6d259df1046ee61e5a22ea253b8
14. 0x637ba5f029eadccf80c2665ace422cf50802b8ffd21717811c25c8f068f65dc8
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af