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Evidence row 68090

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://api.polls.karbach.digital/v1/live/:id
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
f86bac9bf41dad17a365fd4e56b3cbf67e3c26cc731a52bef538a1187955308e
Leaf
0xe374f61a271a4b455c2365c61483b69960962ee76b3506b071e2f2df779f9547

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.polls.karbach.digital/v1/live/:id"
    ]
  ],
  "name": "polls.karbach.digital",
  "owner_address": "0x6d8444caed95d9155785da10ac00247948957d61",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6d8444CaEd95D9155785Da10aC00247948957D61",
        "scheme": "exact"
      }
    ],
    "description": "Election night: counted share, turnout, results so far and deviation from the forecast. Use on German election nights for the current count. Source-attributed, German data, updated every six hours.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "id": "mv-2026"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "actual": {
                  "AfD": 38.2,
                  "BSW": 4.8,
                  "Bündnis C": 0.1,
                  "CDU": 4.9,
                  "Die PARTEI": 0.3,
                  "FDP": 1,
                  "FW": 0.4,
                  "Grüne": 5.7,
                  "Handwerker Partei Deutschland": 0.5,
                  "Linke": 6.5,
                  "PIRATEN": 0.2,
                  "SPD": 35.5,
                  "Tierschutzpartei": 1.1,
                  "ÖDP": 0.1
                },
                "counted_pct": 100,
                "deviation_pp": {
                  "AfD": 1.4,
                  "BSW": 0.8,
                  "CDU": -1.7,
                  "FDP": -1,
                  "Grüne": 0.6,
                  "Linke": -3.3,
                  "SPD": 1.3
                },
                "election_id": "mv-2026",
                "is_final": true,
                "mae": 1.44,
                "predicted": {
                  "AfD": 36.8,
                  "BSW": 4,
                  "CDU": 6.6,
                  "FDP": 2,
                  "Grüne": 5.1,
                  "Linke": 9.8,
                  "SPD": 34.2
                },
                "turnout": 78.1,
                "wahl_datum": "2026-09-20",
                "wahl_name": "Landtagswahl Mecklenburg-Vorpommern"
              },
              "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": {
                "count": "Landeswahlleitung Mecklenburg-Vorpommern",
                "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": "During the count actual shares move; is_final marks the official preliminary result.",
              "updated_at": "2026-09-21T02:57:01.985630"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/live/:id",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "id": {
                      "description": "election id like sl-2027 (see /v1/elections) or member slug/id",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id"
                  ],
                  "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": "2026-10-18T14:02:45.439Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-18T14:02:45.245Z"
    },
    "resource": "https://api.polls.karbach.digital/v1/live/:id",
    "serviceName": "polls.karbach.digital",
    "tags": [
      "elections",
      "germany",
      "polls",
      "politics",
      "bundestag"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Election night: counted share, turnout, results so far and deviation from the forecast. Use on German election nights for the current count. Source-attributed, German data, updated every six hours."
}

What the leaf hashes

{"body":"f86bac9bf41dad17a365fd4e56b3cbf67e3c26cc731a52bef538a1187955308e","id":68090,"kind":"listing","method":"baseline/1","observed_us":1793025466168752,"prev":null,"subject":"x402_bazaar:https://api.polls.karbach.digital/v1/live/:id","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. 0xe37508303766ed0e32ed50067c19a7d9b14b246acab74227ff5b349a8f6dc06e
  2. 0xc3e80651e33aacf811389a98f45fdd846f3081a69acacbca5d1c77c8b3eeea29
  3. 0xa6d01f35400a7216b68dd2ee4b7398a29e5c64bdf47fc4e69926df0e1694f86a
  4. 0x5151ff1ba769b9cb62c8c917ae165e775976718d15808b190a8187e3b2a5e0b1
  5. 0x4187e430e2c63bc7df8b5c77e99db52029a5704720b816aa2e9cdd002b3efb6a
  6. 0xa357da8a360f5e01cb6fe9eb4e239c20bdfe45cfb5942b741080d0b0db800239
  7. 0x0f0d0a09d7546e0d7ccc71441e49e045775b25a3df54a37f13254f3892b02fda
  8. 0xc957037285f79fa76a0ceab737b26f150d9925ab7396b494ce813b48a755a35f
  9. 0xf64d68c7513850f261db3fb5e203dff7235733de2dda42d2f91ab2886967fe21
  10. 0x524cdad3ff21631a037fd9cf4afb42f4fe79c72ee7a2da0b514327762fb35ecc
  11. 0xb545b804be0d2933a674be6ac915c6c6235897d0274e66143aa7cf879b9d86a3
  12. 0x8e135936797442c4eea61915f2c9f8f6df06e1322204cd0e6986ada3e54c77cc
  13. 0xc0924a0807e534382f518663123231c317124338831a2b310de2c17b09677086
  14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
  15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
  16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
  17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON