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Evidence row 68086

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://api.polls.karbach.digital/v1/france/presidential-2027/polls
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
720cdef521cb529d73e61a9a918e00eaee0e635c663928707e6ac911bebb57f7
Leaf
0x0223d4a58bce303b075202a0d496a8dfd9f09268de8ea6e43b4a566a255a1de3

What was observed

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    ]
  ],
  "name": "polls.karbach.digital",
  "owner_address": "0x6d8444caed95d9155785da10ac00247948957d61",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6d8444CaEd95D9155785Da10aC00247948957D61",
        "scheme": "exact"
      }
    ],
    "description": "French presidential election 2027: all first-round polls with every scenario, runoff polls, sample, fieldwork and link to the official Commission des sondages notice. Unavailable during the legal blackout (17 to 18 Apr and 1 to 2 May 2027). Use when you need individual French presidential polls with scenarios and official notices. Source-attributed. Refused (503, not charged) if data is older than 30 hours.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
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            "queryParams": {
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            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "count_first_round": 0,
                "events": [
                  {
                    "date": "0000-00-00",
                    "text": "Bruno Retailleau est désigné candidat des Républicains (LR) par les adhérents du parti"
                  },
                  {
                    "date": "0000-00-00",
                    "text": "Bruno Retailleau est élu président des Républicains"
                  }
                ],
                "first_round": [
                  {
                    "end_date": "0000-00-00",
                    "fieldwork": "0-0 octobre",
                    "notice": "https://www.commission-des-sondages.fr/notices/files/notices/0000/octobre/00000-pres-iv-toluna-harris-interactive-00-octobre.pdf",
                    "pollster": "Harris",
                    "sample": 0,
                    "scenarios": [
                      {},
                      {}
                    ]
                  },
                  {
                    "end_date": "0000-00-00",
                    "fieldwork": "0-0 septembre",
                    "notice": "https://www.commission-des-sondages.fr/notices/files/notices/0000/septembre/00000-pres-enquete-electorale-ipsos-bva-le-monde-00-septembre.pdf",
                    "pollster": "Ipsos",
                    "sample": 0,
                    "scenarios": [
                      {},
                      {}
                    ]
                  }
                ],
                "second_round": [
                  {
                    "end_date": "0000-00-00",
                    "fieldwork": "0-0 octobre 0000",
                    "notice": "https://www.commission-des-sondages.fr/notices/files/notices/0000/octobre/00000-pres-iv-toluna-harris-interactive-00-octobre.pdf",
                    "pair": [
                      "Le Pen",
                      "Mélenchon"
                    ],
                    "parties": {
                      "Le Pen": "RN",
                      "Mélenchon": "LFI"
                    },
                    "pollster": "Harris",
                    "sample": 0,
                    "values": {
                      "Le Pen": 0,
                      "Mélenchon": 0
                    }
                  },
                  {
                    "end_date": "0000-00-00",
                    "fieldwork": "0-0 octobre 0000",
                    "notice": "https://www.commission-des-sondages.fr/notices/files/notices/0000/octobre/00000-pres-iv-toluna-harris-interactive-00-octobre.pdf",
                    "pair": [
                      "Le Pen",
                      "Philippe"
                    ],
                    "parties": {
                      "Le Pen": "RN",
                      "Philippe": "HOR"
                    },
                    "pollster": "Harris",
                    "sample": 0,
                    "values": {
                      "Le Pen": 0,
                      "Philippe": 0
                    }
                  }
                ]
              },
              "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. Coalition figures count simulated seat majorities (see ...",
              "project": "Ein Projekt von Karbach.Digital (https://karbach.digital)",
              "source": {
                "blackout": "French law (Loi 77-808, art. 11, as amended 2016) bans publishing polls from the Saturday before each round, 00:00, until polls close on election day, 20:00 ...",
                "calibration": "poll average vs official results 2017 and 2022 at the same distance to election day",
                "compilation": "fr.wikipedia.org, Liste de sondages sur l'élection présidentielle française de 2027 (CC BY-SA 4.0)",
                "license": "CC BY-SA 4.0 (share alike, because the poll compilation is CC BY-SA)",
                "polls": "French polling institutes; every poll is filed with the Commission des sondages (link per poll)",
                "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": "0000-00-00T00:00:00"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
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                  ],
                  "type": "string"
                },
                "queryParams": {
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                      "minimum": 1,
                      "type": "integer"
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                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
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          "required": [
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          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-21T22:08:52.63Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-21T22:08:52.449Z"
    },
    "resource": "https://api.polls.karbach.digital/v1/france/presidential-2027/polls",
    "serviceName": "polls.karbach.digital",
    "tags": [
      "elections",
      "france",
      "polls",
      "politics",
      "forecast"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "French presidential election 2027: all first-round polls with every scenario, runoff polls, sample, fieldwork and link to the official Commission des sondages notice. Unavailable during the legal blackout (17 to 18 Apr and 1 to 2 May 2027). Use when you need individual French presidential polls with scenarios and official notices. Source-attributed. Refused (503, not charged) if data is older than 30 hours."
}

What the leaf hashes

{"body":"720cdef521cb529d73e61a9a918e00eaee0e635c663928707e6ac911bebb57f7","id":68086,"kind":"listing","method":"baseline/1","observed_us":1793025466163477,"prev":null,"subject":"x402_bazaar:https://api.polls.karbach.digital/v1/france/presidential-2027/polls","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. 0x0223e771f841cac6a7490cf2d06b6c3f1aa5d22f72bf36ba454deb3237e954ee
  2. 0x83567acc6a3ee297ecbce59ff884b59733f58d8ce2f601b19f5fb1c56458b00e
  3. 0x0e943655148819c54780632ee67f65ecc7391f36843e4db91a0793d73f7a69dd
  4. 0x21fdd26fd8f1541b726d025985b2eabf4564b8c48ae1cf22ddad0da25c22cc6a
  5. 0xe690667ed0a841f356403f90d220d62e09a886ecc84e99e04d6c0b77a6a500cf
  6. 0x26f20c823ec300675608304c0ba83df766ef5875a1dee8868348573dc54321cd
  7. 0x7c4207a14edabe3eeb4aabc1011e40b0fc6ae59d70e5ac889e8bc46c70206947
  8. 0x0bc2e450088caaf379d67a058866fbaec20504df13b577306f560fd413935933
  9. 0xc1892e1f31516991ebd2b68b1883c63619880797be155d4c7f6ef90340e294aa
  10. 0xb59ab9723c94bb11211a69aab135061f373122c6fca8c5dbfd525237ac1ef164
  11. 0x588f372bbaaf730e538542f070b005c0dd23fdb8c7f43a940481de0c1681aae1
  12. 0xd75ede2689ed83bbc8980becaf4f32a77c7e05567790cd351e997bb28aa0844c
  13. 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
  14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
  15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
  16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON