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Evidence row 66422

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://api.grid-hub.app/v1/brief/:zone
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
239b0c91de8746a4d5300aa8bb22b9315bee2ce330e472b4be28d700b1d79264
Leaf
0xd917c3124049d4db1cf5026735c4f711c04dfe82a720af865dd70cd11ee160d7

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.grid-hub.app/v1/brief/:zone"
    ]
  ],
  "name": "GridHub Electricity Data",
  "owner_address": "0x7ca97ae70e38736a94eea00427d50846bab978dd",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "discoverable": true,
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x7ca97aE70E38736a94eEa00427D50846Bab978DD",
        "scheme": "exact"
      }
    ],
    "description": "Interpretation-ready snapshot of one electricity zone: current wholesale price and demand (plus carbon intensity for GB) each ranked against the zone's own trailing 30-day distribution, 24h trend, and a one-sentence summary. Use for 'is power cheap or expensive in {zone} right now'. Zone ids from /v1/zones.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "zone": "GB"
            },
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": 1790496611,
              "attribution": "Supported by National Energy SO Open Data",
              "context": {
                "price": {
                  "max": 246.58,
                  "median": 146.23,
                  "min": -23.28,
                  "percentile": 43,
                  "sample_count": 1424,
                  "unit": "GBP/MWh",
                  "vs_median_pct": -2.9,
                  "window_days_actual": 29.6
                }
              },
              "context_window_requested_days": 30,
              "coverage_note": "Context blocks are omitted for metrics this zone doesn't publish or where fewer than 20 samples exist. window_days_actual reflects the real data span, which varies by zone and metric. \"current\" is the most recent point at or before reque...",
              "current": {
                "demand": {
                  "ts": 1790494200,
                  "unit": "MW",
                  "value": 20878
                },
                "price": {
                  "ts": 1790467200,
                  "unit": "GBP/MWh",
                  "value": 141.97
                }
              },
              "license": "NESO-Open-Licence",
              "summary": "For Great Britain, price is typical (43rd percentile over the last 29.6 days); carbon intensity is typical (34th percentile); demand is typical; wind is the largest generation source at 54.3% of the mix.",
              "zone": "GB",
              "zone_name": "Great Britain"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/brief/:zone",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "zone": {
                      "description": "Zone id from /v1/zones",
                      "enum": [
                        "US-CAISO",
                        "US-ERCOT",
                        "US-PJM",
                        "US-MISO",
                        "US-NYISO",
                        "US-ISONE",
                        "US-SPP",
                        "GB",
                        "AU-NSW",
                        "AU-QLD",
                        "AU-VIC",
                        "AU-SA",
                        "AU-TAS",
                        "DE-LU",
                        "FR",
                        "ES",
                        "IT-NO",
                        "NL",
                        "BE",
                        "PL",
                        "SE-3",
                        "NO-2",
                        "DK-1",
                        "AT",
                        "CH"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "zone"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "properties": {
                    "sample": {
                      "description": "Free truncated sample, no payment or credentials",
                      "enum": [
                        "true"
                      ],
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "pathParams"
              ],
              "type": "object"
            },
            "output": {
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                  "properties": {
                    "as_of": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "attribution": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "context": {
                      "additionalProperties": {
                        "properties": {
                          "max": {
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "median": {
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "min": {
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "percentile": {
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "sample_count": {
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "unit": {
                            "type": [
                              "string",
                              "null"
                            ]
                          },
                          "vs_median_pct": {
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "window_days_actual": {
                            "type": [
                              "number",
                              "null"
                            ]
                          }
                        },
                        "type": [
                          "object",
                          "null"
                        ]
                      },
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "context_window_requested_days": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "coverage_note": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "current": {
                      "additionalProperties": {
                        "properties": {
                          "ts": {
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "unit": {
                            "type": [
                              "string",
                              "null"
                            ]
                          },
                          "value": {
                            "type": [
                              "number",
                              "null"
                            ]
                          }
                        },
                        "type": [
                          "object",
                          "null"
                        ]
                      },
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "license": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "summary": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "zone": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "zone_name": {
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-09-27T08:20:12.444Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-09-27T08:20:12.259Z"
    },
    "resource": "https://api.grid-hub.app/v1/brief/:zone",
    "serviceName": "GridHub Electricity Data",
    "tags": [
      "electricity",
      "energy",
      "prices",
      "grid",
      "brief"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Interpretation-ready snapshot of one electricity zone: current wholesale price and demand (plus carbon intensity for GB) each ranked against the zone's own trailing 30-day distribution, 24h trend, and a one-sentence summary. Use for 'is power cheap or expensive in {zone} right now'. Zone ids from /v1/zones."
}

What the leaf hashes

{"body":"239b0c91de8746a4d5300aa8bb22b9315bee2ce330e472b4be28d700b1d79264","id":66422,"kind":"listing","method":"baseline/1","observed_us":1793025460545107,"prev":null,"subject":"x402_bazaar:https://api.grid-hub.app/v1/brief/:zone","subject_kind":"source_record"}

Proof

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

How to check it · This row as JSON