Evidence row 117764

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://oracles-production.up.railway.app/v1/reg-ai-governance/changes"
    ]
  ],
  "name": "Signal Oracle",
  "owner_address": "0xc66ee26cae6cd34970f51f644f36d720826d392a",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xC66EE26cAE6cd34970f51f644f36D720826d392A",
        "scheme": "exact"
      }
    ],
    "description": "AI & automated-systems governance regulatory & enforcement changes since a timestamp, merged from the Federal Register (rules, agency notices, executive orders), White House actions, FTC AI enforcement, the EU AI Office & Commission, EU legal acts, and NIST standards activity. Each item scored 1-10 for impact, tagged with its originating regulator (detail.origin), with primary-source links.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "min_significance": 5,
              "since": "2026-06-01T00:00:00Z"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "changes": [
                {
                  "entityId": "presaction:promoting-advanced-artificial-intelligence-innovation-and-security",
                  "significance": 9,
                  "sourceUrl": "https://www.federalregister.gov/documents/2026/…",
                  "title": "Promoting Advanced Artificial Intelligence Innovation and Security",
                  "type": "executive_action"
                }
              ],
              "count": 1,
              "source": "reg-ai-governance"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "limit": {
                      "maximum": 500,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "min_significance": {
                      "description": "Keep only changes scored at least this",
                      "maximum": 10,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "since": {
                      "description": "Only changes detected after this ISO-8601 instant",
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "changes": {
                      "items": {
                        "properties": {
                          "detail": {
                            "type": "object"
                          },
                          "detectedAt": {
                            "format": "date-time",
                            "type": "string"
                          },
                          "effectiveDate": {
                            "type": [
                              "string",
                              "null"
                            ]
                          },
                          "entityId": {
                            "type": "string"
                          },
                          "significance": {
                            "maximum": 10,
                            "minimum": 1,
                            "type": "integer"
                          },
                          "sourceUrl": {
                            "description": "Primary-source link for verification",
                            "type": [
                              "string",
                              "null"
                            ]
                          },
                          "summary": {
                            "type": "string"
                          },
                          "title": {
                            "type": "string"
                          },
                          "type": {
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "count": {
                      "type": "integer"
                    },
                    "source": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1784165894/bazaar-icons/9991dd86e93ade10.png",
    "lastUpdated": "2026-10-24T10:55:23.449Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-24T10:55:23.215Z"
    },
    "resource": "https://oracles-production.up.railway.app/v1/reg-ai-governance/changes",
    "serviceName": "Signal Oracle",
    "tags": [
      "data",
      "ai",
      "technology",
      "governance",
      "regulations"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "AI & automated-systems governance regulatory & enforcement changes since a timestamp, merged from the Federal Register (rules, agency notices, executive orders), White House actions, FTC AI enforcement, the EU AI Office & Commission, EU legal acts, and NIST standards activity. Each item scored 1-10 for impact, tagged with its originating regulator (detail.origin), with primary-source links."
}

What the leaf hashes

{"body":"e6644acc4006822feb08d4d55d06a523550dd019fb3cdd775d3ac5143e0b68b3","id":117764,"kind":"listing","method":"baseline/1","observed_us":1793025611870248,"prev":null,"subject":"x402_bazaar:https://oracles-production.up.railway.app/v1/reg-ai-governance/changes","subject_kind":"source_record"}

Proof

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