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Evidence row 68104

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://api.polls.karbach.digital/v1/states/:state
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
e4e65678e5339489d1344f03df7c5c6ce6038c955686729f6fbae626b5a26f5d
Leaf
0x8032566a1d2e7e158199670f332f7bc9fb517e73807c8c8a7ac8f07cea229f85

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.polls.karbach.digital/v1/states/:state"
    ]
  ],
  "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 German state (Land): parliament seats by group with majority and governing groups, cabinet with portfolios, 13 official statistics with German value and rank, next state election with our forecast. Use when asked who governs a German state, how its parliament is composed, who is in its cabinet, how it compares statistically, or who leads before its next election. Source-attributed. Refused (503, not charged) if a dataset is older than its limit (13 hours to 365 days).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "state": "SL"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "government": {
                  "cabinet": "Kabinett Rehlinger",
                  "coalition": [
                    "SPD"
                  ],
                  "head_of_government": "Anke Rehlinger",
                  "members": [
                    {
                      "deputy_head": false,
                      "head": true,
                      "name": "Anke Rehlinger",
                      "party": "SPD",
                      "portfolio": "Ministerpräsidentin Staatskanzlei"
                    },
                    {
                      "deputy_head": true,
                      "head": false,
                      "name": "Jürgen Barke",
                      "party": "SPD",
                      "portfolio": "Minister für Wirtschaft, Innovation, Digitales und Energie"
                    }
                  ],
                  "since": "2022-04-25",
                  "status": "in office",
                  "status_note": "Alleinregierung"
                },
                "name": "Saarland",
                "next_election": {
                  "data_quality": "grob",
                  "date": "2027-04-18",
                  "date_status": "official",
                  "detail": "https://api.polls.karbach.digital/v1/elections/sl-2027",
                  "id": "sl-2027",
                  "strongest_party": "SPD",
                  "strongest_party_probability_pct": 54.2
                },
                "parliament": {
                  "as_of": "2026-10-21",
                  "government_has_majority": true,
                  "government_seats": 29,
                  "legislative_period": "Saarland 2022 - 2027",
                  "majority": 26,
                  "mandates_counted": 51,
                  "name": "Landtag des Saarlandes",
                  "note": null,
                  "seats_by_group": [
                    {
                      "government": true,
                      "group": "SPD",
                      "seats": 29
                    },
                    {
                      "government": false,
                      "group": "CDU",
                      "seats": 19
                    }
                  ],
                  "seats_total": 51
                },
                "state": "SL",
                "statistics": [
                  {
                    "germany": 83467117,
                    "key": "population",
                    "label": "Population",
                    "of": 16,
                    "period": "2025",
                    "rank": 15,
                    "rank_order": "1 = highest",
                    "unit": "persons",
                    "value": 1007342
                  },
                  {
                    "germany": 1.57,
                    "key": "population_change",
                    "label": "Population change 2015 to 2025",
                    "of": 16,
                    "period": "2015-2025",
                    "rank": 10,
                    "rank_order": "1 = highest",
                    "unit": "percent",
                    "value": 1.2
                  }
                ],
                "statistics_as_of": "2026-10-18 23:39",
                "website": "https://polls.karbach.digital/bundesland/sl/"
              },
              "docs": "https://api.polls.karbach.digital/v1/",
              "model": {
                "next_election": "share of 10,000 simulations in which the party comes first"
              },
              "notice": "Scenario analysis based on published opinion polls. Not a prediction and not a voting recommendation. Coalition figures count simulated seat majorities (see ...",
              "project": "Ein Projekt von Karbach.Digital (https://karbach.digital)",
              "source": {
                "cabinet": "de.wikipedia.org cabinet articles",
                "cabinet_license": "CC BY-SA 4.0",
                "forecast": "polls.karbach.digital model on dawum.de polls (ODbL 1.0)",
                "parliament": "abgeordnetenwatch.de API v2 (current mandates by parliamentary group)",
                "parliament_license": "CC0 1.0",
                "processing": "polls.karbach.digital (Max Karbach)",
                "statistics": "GENESIS-Online, Statistisches Bundesamt",
                "statistics_license": "Datenlizenz Deutschland, Namensnennung, Version 2.0 (dl-de/by-2-0)"
              },
              "uncertainty": "strongest_party_probability_pct is a simulation share, not a certainty; see data_quality and /v1/elections/:id for bands.",
              "updated_at": "2026-10-21T05:12:35"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/states/:state",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "state": {
                      "description": "German state code: BW, BY, BE, BB, HB, HH, HE, MV, NI, NW, RP, SL, SN, ST, SH, TH",
                      "pattern": "^[A-Za-z]{2}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "state"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
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                "method"
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              "type": "object"
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              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-21T22:08:55.616Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-21T22:08:55.436Z"
    },
    "resource": "https://api.polls.karbach.digital/v1/states/:state",
    "serviceName": "polls.karbach.digital",
    "tags": [
      "elections",
      "germany",
      "polls",
      "politics",
      "bundestag"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "One German state (Land): parliament seats by group with majority and governing groups, cabinet with portfolios, 13 official statistics with German value and rank, next state election with our forecast. Use when asked who governs a German state, how its parliament is composed, who is in its cabinet, how it compares statistically, or who leads before its next election. Source-attributed. Refused (503, not charged) if a dataset is older than its limit (13 hours to 365 days)."
}

What the leaf hashes

{"body":"e4e65678e5339489d1344f03df7c5c6ce6038c955686729f6fbae626b5a26f5d","id":68104,"kind":"listing","method":"baseline/1","observed_us":1793025466188225,"prev":null,"subject":"x402_bazaar:https://api.polls.karbach.digital/v1/states/:state","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x803261a459eb17603c66ee75251f38a9df8c40ea0c1bdefaef1e157b043da183
  2. 0x1922b6df94c453136a66929f2f50c8e1941d2d287522f9cb9fe6b0941b3e6417
  3. 0x182913877a3313fd87a894d0a9816861f313ba669c391f2ccb74378878dafb59
  4. 0xf89eff61f149230b74958b71b3d43ac945a99e7ef50d7dbc163a90c6980a095b
  5. 0xda965861f28448f2ef3e5c1db206459d3855070804f87b6e4a50c049eba531bd
  6. 0xf760ee6f8465cc3c658e2414bc9ca7a4b4ec12f40f0aae7e24dd6f3e7727a539
  7. 0x50a3549ce27026fecf7d34c2730e2f5cdeca68da6b51a7a2294912fe08502e8d
  8. 0x9aa9ecb203c4dcf6dd264d68088bdb6e998053338207b1696196a6e6c267287c
  9. 0x637827a28e0b85d18358866209464afde9e659fc04c11e1c200e7c852c578d17
  10. 0x15c5749acf6e438b0810eb58256d5489413257c72393a4d6db9114e07e5b4598
  11. 0x62490dd1c15d5301c6fb2c08f1d6ceb3a0d4c216f6e742424332881907db0fcd
  12. 0xb9c4107c5cbaf0844324e5ba287c90e0643bb7b9e48e7877adda9372132cf0ea
  13. 0x4d2ee986a690e903126f449b4e9e62d5572b350357ab4496a83488949b131c29
  14. 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
  15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
  16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON