Evidence row 68080

Observed 26 Oct 2026, 14:37 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://api.polls.karbach.digital/v1/europe/countries/:code
Recorded: 26 Oct 2026, 14:37 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: f3f581066a71c6df26aa534e6be4f80c9940d55b8b8cbcc4f3b3f6ae9a90a687
Leaf: 0xb0976353937b84d102822664555040c2c2fa46701f51f3dea92844d045c827de

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.polls.karbach.digital/v1/europe/countries/:code"
    ]
  ],
  "name": "polls.karbach.digital",
  "owner_address": "0x6d8444caed95d9155785da10ac00247948957d61",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6d8444CaEd95D9155785Da10aC00247948957D61",
        "scheme": "exact"
      }
    ],
    "description": "One EU country: European election 2024 results by party with groups and seats, unemployment, inflation, energy prices. Use for a political and economic profile of one EU country. Source-attributed, German data, updated every six hours.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "code": "FR"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "country": "FR",
                "european_parliament_2024": {
                  "parties": [
                    {
                      "acronym": "RN",
                      "coalition_members": null,
                      "ep_groups": {},
                      "id": "FR01",
                      "name": "Rassemblement national",
                      "seats": 30,
                      "type": "PARTY",
                      "votes_pct": 31.37
                    },
                    {
                      "acronym": "Besoin d'Europe",
                      "coalition_members": "FR17|FR19|FR18|FR20|FR21",
                      "ep_groups": {},
                      "id": "FR02",
                      "name": "Coalition Besoin d'Europe (Renaissance, Modem, Horizons, Parti Radical, Union des démocrates et indépendants)",
                      "seats": 13,
                      "type": "COALITION",
                      "votes_pct": 14.6
                    }
                  ],
                  "seats": 81
                },
                "indicators": {
                  "household_electricity_eur_per_kwh": {
                    "period": "2026-S1",
                    "value": 0.2485
                  },
                  "household_gas_eur_per_kwh": {
                    "period": "2026-S1",
                    "value": 0.1347
                  },
                  "inflation_hicp_pct": {
                    "period": "2026-09",
                    "value": 3.4
                  },
                  "unemployment_rate_pct": {
                    "period": "2026-08",
                    "value": 8.2
                  }
                },
                "name": "France"
              },
              "docs": "https://api.polls.karbach.digital/v1/",
              "model": null,
              "notice": "Scenario analysis based on published opinion polls. Not a prediction and not a voting recommendation. Coalitions are arithmetic majorities only, not statemen...",
              "project": "Ein Projekt von Karbach.Digital (https://karbach.digital)",
              "source": {
                "european_parliament": "European Parliament, results.elections.europa.eu (official data sheets 2024-2029)",
                "indicators": "Eurostat (une_rt_m, prc_hicp_minr, nrg_pc_204, nrg_pc_202)",
                "note": "National parliamentary elections are not included yet (no current open source for all EU countries).",
                "polls": "dawum.de",
                "polls_license": "ODbL 1.0",
                "polls_license_url": "https://opendatacommons.org/licenses/odbl/1-0/",
                "processing": "polls.karbach.digital (Max Karbach)"
              },
              "uncertainty": null,
              "updated_at": "2026-10-18T14:35:37+00:00"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/europe/countries/:code",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "code": {
                      "description": "EU country code as used by Eurostat (DE, FR, EL for Greece)",
                      "pattern": "^[A-Za-z]{2}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "code"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-18T14:58:43.99Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-18T14:58:43.771Z"
    },
    "resource": "https://api.polls.karbach.digital/v1/europe/countries/:code",
    "serviceName": "polls.karbach.digital",
    "tags": [
      "elections",
      "germany",
      "polls",
      "politics",
      "bundestag"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "One EU country: European election 2024 results by party with groups and seats, unemployment, inflation, energy prices. Use for a political and economic profile of one EU country. Source-attributed, German data, updated every six hours."
}

What the leaf hashes

{"body":"f3f581066a71c6df26aa534e6be4f80c9940d55b8b8cbcc4f3b3f6ae9a90a687","id":68080,"kind":"listing","method":"baseline/1","observed_us":1793025466155317,"prev":null,"subject":"x402_bazaar:https://api.polls.karbach.digital/v1/europe/countries/:code","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON