Evidence row 73440

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://detect.halowerk.com/v1/integration/api-media-representation-negotiation"
    ]
  ],
  "name": "detect.halowerk.com/v1/integration/api-media-representation-negotiation",
  "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": "Gelieferte Antwort-Medientypauswahl mit ausdruecklich deklarierter Accept-Auswahlpolitik vergleichen.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "artifact": {
                "accept": "application/json;q=0, */*;q=1",
                "representations": [
                  "application/json",
                  "text/plain"
                ],
                "selected_index": 0,
                "selection_policy": "highest_acceptable_quality"
              }
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "billable": true,
              "findings": [
                {
                  "confidence": 100,
                  "evidence": [
                    {
                      "page_indices": [],
                      "page_url": null,
                      "pattern": "api-media-representation-negotiation_scoped_evidence",
                      "type": "artifact"
                    }
                  ],
                  "limits": [
                    "Only supplied artifact values are measured; no network access or runtime behavior is verified.",
                    "Only complete caller-supplied bounded integration artifacts. Missing or unsupported prerequisites are unknown. No retrieval, actual tool execution, credential verification, personal/contact values or real-world guarantee. RFC9110 section12.5.1 Accept; explicit highest-quality selection contract"
                  ],
                  "module": "api-media-representation-negotiation",
                  "module_cpu_ms": 0,
                  "state": "observed",
                  "value": {
                    "acceptable_representations": 1,
                    "available_representations": 2,
                    "maximum_quality": 1,
                    "selected_quality": 0,
                    "selection_contract_mismatches": 1
                  },
                  "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": true,
                      "properties": {
                        "accept": {},
                        "representations": {},
                        "selected_index": {},
                        "selection_policy": {}
                      },
                      "required": [
                        "accept",
                        "representations",
                        "selected_index",
                        "selection_policy"
                      ],
                      "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": {
                  "additionalProperties": false,
                  "properties": {
                    "billable": {
                      "type": "boolean"
                    },
                    "findings": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "confidence": {
                            "maximum": 100,
                            "minimum": 0,
                            "type": "integer"
                          },
                          "evidence": {
                            "type": "array"
                          },
                          "id": {
                            "const": "api-media-representation-negotiation"
                          },
                          "limits": {
                            "items": {
                              "type": "string"
                            },
                            "type": "array"
                          },
                          "module": {
                            "const": "api-media-representation-negotiation"
                          },
                          "module_cpu_ms": {
                            "minimum": 0,
                            "type": "number"
                          },
                          "state": {
                            "enum": [
                              "observed",
                              "not_observed",
                              "unknown"
                            ]
                          },
                          "value": {
                            "anyOf": [
                              {
                                "type": "null"
                              },
                              {
                                "additionalProperties": false,
                                "properties": {
                                  "acceptable_representations": {
                                    "maximum": 9007199254740991,
                                    "minimum": -9007199254740991,
                                    "type": "integer"
                                  },
                                  "available_representations": {
                                    "maximum": 9007199254740991,
                                    "minimum": -9007199254740991,
                                    "type": "integer"
                                  },
                                  "maximum_quality": {
                                    "anyOf": [
                                      {
                                        "maximum": 9007199254740991,
                                        "minimum": -9007199254740991,
                                        "type": "integer"
                                      },
                                      {
                                        "maximum": 9007199254740991,
                                        "minimum": -9007199254740991,
                                        "type": "number"
                                      }
                                    ]
                                  },
                                  "selected_quality": {
                                    "anyOf": [
                                      {
                                        "maximum": 9007199254740991,
                                        "minimum": -9007199254740991,
                                        "type": "integer"
                                      },
                                      {
                                        "maximum": 9007199254740991,
                                        "minimum": -9007199254740991,
                                        "type": "number"
                                      }
                                    ]
                                  },
                                  "selection_contract_mismatches": {
                                    "maximum": 9007199254740991,
                                    "minimum": -9007199254740991,
                                    "type": "integer"
                                  }
                                },
                                "required": [
                                  "acceptable_representations",
                                  "available_representations",
                                  "maximum_quality",
                                  "selected_quality",
                                  "selection_contract_mismatches"
                                ],
                                "type": "object"
                              }
                            ]
                          },
                          "warnings": {
                            "items": {
                              "type": "string"
                            },
                            "type": "array"
                          }
                        },
                        "required": [
                          "module",
                          "state",
                          "value",
                          "confidence",
                          "evidence",
                          "limits",
                          "warnings",
                          "module_cpu_ms"
                        ],
                        "type": "object"
                      },
                      "maxItems": 1,
                      "minItems": 1,
                      "type": "array"
                    },
                    "known_count": {
                      "maximum": 1,
                      "minimum": 0,
                      "type": "integer"
                    },
                    "scope": {
                      "additionalProperties": false,
                      "properties": {
                        "contact_values_returned": {
                          "const": false
                        },
                        "network": {
                          "const": false
                        },
                        "supplied_artifact_only": {
                          "const": true
                        }
                      },
                      "required": [
                        "supplied_artifact_only",
                        "network",
                        "contact_values_returned"
                      ],
                      "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": "2026-10-20T01:05:41.107Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-20T01:05:40.683Z"
    },
    "resource": "https://detect.halowerk.com/v1/integration/api-media-representation-negotiation",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Gelieferte Antwort-Medientypauswahl mit ausdruecklich deklarierter Accept-Auswahlpolitik vergleichen."
}

What the leaf hashes

{"body":"b55de1e53baab13009d4dfbe6fb9accbcc8445ee21cfee7a9de6e7410cd07aca","id":73440,"kind":"listing","method":"baseline/1","observed_us":1793025487636432,"prev":null,"subject":"x402_bazaar:https://detect.halowerk.com/v1/integration/api-media-representation-negotiation","subject_kind":"source_record"}

Proof

Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.