addrbookFor publishers
← The evidence ledger

Evidence row 2250808

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://detect.halowerk.com/v1/F-TD2000-DOCUMENTS-02/python-pep508-environment-marker-typed-expression-evaluation
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
0c44d214dcbf6a730e6ab2f1f4b1f508a94fe7b5a6d86699058629200b144e30
Leaf
0x6e0ea121725acfe56a5b2e80d5dd3bb5d14689c4526e015730df674581f272d3

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://detect.halowerk.com/v1/F-TD2000-DOCUMENTS-02/python-pep508-environment-marker-typed-expression-evaluation"
    ]
  ],
  "name": "detect.halowerk.com/v1/F-TD2000-DOCUMENTS-02/python-pep508-environment-marker-typed-expression-evaluation",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Evaluate decoded dependency markers against an explicitly supplied environment with PEP440 comparisons.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "artifact": {
                "dependencyMarkers": {
                  "claim": {
                    "matches": false
                  },
                  "data": {
                    "environment": [
                      {
                        "name": "python_version",
                        "value": "3.11"
                      },
                      {
                        "name": "sys_platform",
                        "value": "linux"
                      }
                    ],
                    "nodes": [
                      {
                        "left": {
                          "kind": "variable",
                          "value": "python_version"
                        },
                        "op": "compare",
                        "operator": ">=",
                        "right": {
                          "kind": "literal",
                          "value": "3.10"
                        }
                      },
                      {
                        "left": {
                          "kind": "variable",
                          "value": "sys_platform"
                        },
                        "op": "compare",
                        "operator": "==",
                        "right": {
                          "kind": "literal",
                          "value": "linux"
                        }
                      },
                      {
                        "children": [
                          0,
                          1
                        ],
                        "op": "and"
                      }
                    ],
                    "root": 2
                  }
                }
              }
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "billable": true,
              "findings": [
                {
                  "confidence": 1,
                  "evidence": [
                    {
                      "page_indices": [],
                      "page_url": null,
                      "pattern": "python-pep508-environment-marker-typed-expression-evaluation_scoped_evidence",
                      "type": "artifact"
                    }
                  ],
                  "limits": [
                    "Caller-supplied decoded artifact only; stated bounded technical rules; no external lookup, legal judgment or trust certification."
                  ],
                  "module": "python-pep508-environment-marker-typed-expression-evaluation",
                  "state": "observed",
                  "value": {
                    "claim_matches": false,
                    "computed": {
                      "matches": true
                    }
                  },
                  "warnings": []
                }
              ],
              "known_count": 1,
              "scope": {
                "contact_values_returned": false,
                "network": false,
                "supplied_artifact_only": true
              },
              "warnings": []
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "artifact": {
                      "additionalProperties": false,
                      "properties": {
                        "dependencyMarkers": {
                          "additionalProperties": false,
                          "properties": {
                            "claim": {
                              "anyOf": [
                                {
                                  "type": "null"
                                },
                                {
                                  "additionalProperties": false,
                                  "properties": {
                                    "matches": {
                                      "type": "boolean"
                                    }
                                  },
                                  "required": [
                                    "matches"
                                  ],
                                  "type": "object"
                                }
                              ]
                            },
                            "data": {
                              "additionalProperties": false,
                              "properties": {
                                "environment": {
                                  "items": {
                                    "additionalProperties": false,
                                    "properties": {
                                      "name": {
                                        "maxLength": 64,
                                        "type": "string"
                                      },
                                      "value": {
                                        "maxLength": 128,
                                        "type": "string"
                                      }
                                    },
                                    "required": [
                                      "name",
                                      "value"
                                    ],
                                    "type": "object"
                                  },
                                  "maxItems": 32,
                                  "minItems": 0,
                                  "type": "array"
                                },
                                "nodes": {
                                  "items": {
                                    "anyOf": [
                                      {
                                        "additionalProperties": false,
                                        "properties": {
                                          "left": {
                                            "additionalProperties": false,
                                            "properties": {
                                              "kind": {
                                                "enum": [
                                                  "literal",
                                                  "variable"
                                                ]
                                              },
                                              "value": {
                                                "maxLength": 128,
                                                "type": "string"
                                              }
                                            },
                                            "required": [
                                              "kind",
                                              "value"
                                            ],
                                            "type": "object"
                                          },
                                          "op": {
                                            "const": "compare"
                                          },
                                          "operator": {
                                            "enum": [
                                              "==",
                                              "!=",
                                              "<",
                                              "<=",
                                              ">",
                                              ">=",
                                              "~=",
                                              "in",
                                              "not in"
                                            ]
                                          },
                                          "right": {
                                            "additionalProperties": false,
                                            "properties": {
                                              "kind": {
                                                "enum": [
                                                  "literal",
                                                  "variable"
                                                ]
                                              },
                                              "value": {
                                                "maxLength": 128,
                                                "type": "string"
                                              }
                                            },
                                            "required": [
                                              "kind",
                                              "value"
                                            ],
                                            "type": "object"
                                          }
                                        },
                                        "required": [
                                          "op",
                                          "operator",
                                          "left",
                                          "right"
                                        ],
                                        "type": "object"
                                      },
                                      {
                                        "additionalProperties": false,
                                        "properties": {
                                          "children": {
                                            "items": {
                                              "maximum": 63,
                                              "minimum": 0,
                                              "type": "integer"
                                            },
                                            "maxItems": 32,
                                            "minItems": 1,
                                            "type": "array"
                                          },
                                          "op": {
                                            "enum": [
                                              "and",
                                              "or"
                                            ]
                                          }
                                        },
                                        "required": [
                                          "op",
                                          "children"
                                        ],
                                        "type": "object"
                                      }
                                    ]
                                  },
                                  "maxItems": 64,
                                  "minItems": 1,
                                  "type": "array"
                                },
                                "root": {
                                  "maximum": 63,
                                  "minimum": 0,
                                  "type": "integer"
                                }
                              },
                              "required": [
                                "environment",
                                "nodes",
                                "root"
                              ],
                              "type": "object"
                            }
                          },
                          "required": [
                            "data",
                            "claim"
                          ],
                          "type": "object"
                        }
                      },
                      "required": [
                        "dependencyMarkers"
                      ],
                      "type": "object"
                    }
                  },
                  "required": [
                    "artifact"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "billable": {
                      "const": true
                    },
                    "findings": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "confidence": {
                            "maximum": 1,
                            "minimum": 0,
                            "type": "number"
                          },
                          "evidence": {
                            "items": {
                              "additionalProperties": false,
                              "properties": {
                                "page_indices": {
                                  "items": {
                                    "type": "integer"
                                  },
                                  "maxItems": 0,
                                  "type": "array"
                                },
                                "page_url": {
                                  "type": "null"
                                },
                                "pattern": {
                                  "const": "python-pep508-environment-marker-typed-expression-evaluation_scoped_evidence"
                                },
                                "type": {
                                  "const": "artifact"
                                }
                              },
                              "required": [
                                "type",
                                "page_url",
                                "pattern",
                                "page_indices"
                              ],
                              "type": "object"
                            },
                            "maxItems": 1,
                            "type": "array"
                          },
                          "limits": {
                            "items": {
                              "maxLength": 300,
                              "type": "string"
                            },
                            "maxItems": 1,
                            "type": "array"
                          },
                          "module": {
                            "const": "python-pep508-environment-marker-typed-expression-evaluation"
                          },
                          "state": {
                            "enum": [
                              "observed",
                              "not_observed",
                              "unknown"
                            ]
                          },
                          "value": {
                            "anyOf": [
                              {
                                "type": "null"
                              },
                              {
                                "additionalProperties": false,
                                "properties": {
                                  "claim_matches": {
                                    "type": "boolean"
                                  },
                                  "computed": {
                                    "additionalProperties": false,
                                    "properties": {
                                      "matches": {
                                        "type": "boolean"
                                      }
                                    },
                                    "required": [
                                      "matches"
                                    ],
                                    "type": "object"
                                  }
                                },
                                "required": [
                                  "computed",
                                  "claim_matches"
                                ],
                                "type": "object"
                              }
                            ]
                          },
                          "warnings": {
                            "items": {
                              "maxLength": 150,
                              "type": "string"
                            },
                            "maxItems": 1,
                            "type": "array"
                          }
                        },
                        "required": [
                          "module",
                          "state",
                          "value",
                          "confidence",
                          "evidence",
                          "warnings",
                          "limits"
                        ],
                        "type": "object"
                      },
                      "maxItems": 1,
                      "minItems": 1,
                      "type": "array"
                    },
                    "known_count": {
                      "const": 1
                    },
                    "scope": {
                      "type": "object"
                    },
                    "warnings": {
                      "type": "array"
                    }
                  },
                  "required": [
                    "findings",
                    "known_count",
                    "billable",
                    "warnings",
                    "scope"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T16:24:58.154Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T16:24:57.964Z"
    },
    "resource": "https://detect.halowerk.com/v1/F-TD2000-DOCUMENTS-02/python-pep508-environment-marker-typed-expression-evaluation",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Evaluate decoded dependency markers against an explicitly supplied environment with PEP440 comparisons."
}

What the leaf hashes

{"body":"0c44d214dcbf6a730e6ab2f1f4b1f508a94fe7b5a6d86699058629200b144e30","id":2250808,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647809846056,"prev":null,"subject":"x402_bazaar:https://detect.halowerk.com/v1/F-TD2000-DOCUMENTS-02/python-pep508-environment-marker-typed-expression-evaluation","subject_kind":"source_record"}

Proof

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

  1. 0x6e0e73c0497def1d073d0da51e35773e2309623f011012ce35628ffbb7e4921f
  2. 0x788a44201ed5d0c3417a9420038db04fcc9553dc2ff13250f172924ffac83c29
  3. 0x937cf2bda465bb551b1fa8294a662419fc2d58234a31a5dc9578c8f62a2512fd
  4. 0x468f50a8d84655687de63f686e75bf1e797daba92460facc2c6d03c8e1fb492c
  5. 0xe4acd58b663fa3abd169e1b314a3583bc176efa31df8dc317c3608cbf3914977
  6. 0x598842055487489a11db22f5e2ac8cef50419686c1b444b3dcc3b9e07f66e687
  7. 0xa496283b0be908c4b59a3b542150e2504964805302053c59bfe5cda67cf7c48e
  8. 0x7a9ac96c15110b5d553fa8786b1ad2674104150d51d160354beb70afd696a695
  9. 0xa1e817146504c398d8232d54d4e728e919289f6a914b695cd0324ccbb7a94721
  10. 0xdcb568c0098ed1890b562dce9b98962ef8fa8bfe51d11d51d99267999c1756cc
  11. 0xb0d18cb0ad87720ba47a149f09051a03a9ed3f4ce71bc9a9d9c1b8fcfadee909
  12. 0xa95c0aa60c534c116ea78dfa73cda3218c070929dd80984b74bd130bc0058f60
  13. 0x9e9a25a642137f47c2c84b5e744fe2a673304740cc0eb165018b100bc5cbaf0c
  14. 0xb903742c059190ddedc375958f73db84c3806732f1e54330407245d4734015f5
  15. 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
  16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
  17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON