Evidence row 68085

What was observed

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      "https://api.polls.karbach.digital/v1/france/presidential-2027"
    ]
  ],
  "name": "polls.karbach.digital",
  "owner_address": "0x6d8444caed95d9155785da10ac00247948957d61",
  "raw": {
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        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
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        "network": "eip155:8453",
        "payTo": "0x6d8444CaEd95D9155785Da10aC00247948957D61",
        "scheme": "exact"
      }
    ],
    "description": "French presidential election 2027, first round: poll average, 95 percent band and runoff chance per candidate, most likely runoff pairs, recent campaign events. Unavailable during the legal blackout (Saturday 00:00 until 20:00 on election day, Paris time: 17 to 18 Apr and 1 to 2 May 2027). Use when asked who leads the 2027 French presidential election or who reaches the runoff. Source-attributed. Refused (503, not charged) if data is older than 30 hours.",
    "extensions": {
      "bazaar": {
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          },
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                "election": "Présidentielle 2027",
                "events": [
                  {
                    "date": "0000-00-00",
                    "text": "Bruno Retailleau est désigné candidat des Républicains (LR) par les adhérents du parti"
                  },
                  {
                    "date": "0000-00-00",
                    "text": "Fabien Roussel, secrétaire général du Parti communiste français (PCF), officialise sa candidature"
                  }
                ],
                "first_round": "2027-04-18",
                "first_round_forecast": [
                  {
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                      0
                    ],
                    "median": 0,
                    "name": "Arthaud",
                    "p_first": 0,
                    "p_runoff": 0,
                    "party": "LO",
                    "party_name": "Lutte ouvrière",
                    "poll_average": 0
                  },
                  {
                    "ci95": [
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                      0
                    ],
                    "median": 0,
                    "name": "Attal",
                    "p_first": 0,
                    "p_runoff": 0,
                    "party": "RE",
                    "party_name": "Renaissance",
                    "poll_average": 0
                  }
                ],
                "reference_field": [
                  "Arthaud",
                  "Attal"
                ],
                "runoff_pairs_probability": {
                  "Candidate A vs Candidate B": 0
                },
                "second_round": "2027-05-02"
              },
              "docs": "https://api.polls.karbach.digital/v1/",
              "model": {
                "method": "weighted poll average of the last 45 days (half-life 10 days), scenario closest to the most polled field, Monte Carlo with errors measured in 2017 and 2022",
                "polls_used": 0
              },
              "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": "95 percent band per candidate; error sd = 1.787 x sqrt(share), taken from the 2017 and 2022 poll errors at this distance to election day",
              "updated_at": "0000-00-00T00:00:00"
            },
            "type": "json"
          }
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          "type": "object"
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      }
    },
    "lastUpdated": "2026-10-21T22:08:50.831Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-21T22:08:50.648Z"
    },
    "resource": "https://api.polls.karbach.digital/v1/france/presidential-2027",
    "serviceName": "polls.karbach.digital",
    "tags": [
      "elections",
      "france",
      "polls",
      "politics",
      "forecast"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "French presidential election 2027, first round: poll average, 95 percent band and runoff chance per candidate, most likely runoff pairs, recent campaign events. Unavailable during the legal blackout (Saturday 00:00 until 20:00 on election day, Paris time: 17 to 18 Apr and 1 to 2 May 2027). Use when asked who leads the 2027 French presidential election or who reaches the runoff. Source-attributed. Refused (503, not charged) if data is older than 30 hours."
}

What the leaf hashes

{"body":"c455c9a6732d8101a1d1e74ab21f868d50431b945d933422d9ae92f0d468ca41","id":68085,"kind":"listing","method":"baseline/1","observed_us":1793025466162011,"prev":null,"subject":"x402_bazaar:https://api.polls.karbach.digital/v1/france/presidential-2027","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).

1. 0x5dd9cf749bd82ee8fd2c8e1ed547ebab05c7e5fb82f814a0ec9b50e02de5a748
2. 0x3797cc808b2aec66424dba4200a39240e38b94d45c6205e1bef4659cf96d70d9
3. 0xac085a3a02932920f20ae51b7325599da51dd3a14db2dd5215179b6a3f743942
4. 0xd6d21100400654eb6c80eb713d7de924b01c26172b3a817229cdca97cc4aa771
5. 0x4aa464c11471152f6c6c9586c71060a161a3b91f21ec198fc12e2517a0d33aec
6. 0xd93290fdaf27099efc89b2f9b550bee841de103efe348a54fa0593164f52334f
7. 0xce0533f189766414979f9a99c7cd39a09b005a7d3eb35bf3b5245fc63b547034
8. 0x475a495a3cc8c873a72f8bb4392160fbfbcc532647c5221547f927f699bba5a3
9. 0x58cf3e668681453283a9ec044f89a8e224d42b88ac092d9414435eec41da281e
10. 0x116728891cb4c83d2e8172d6192a92a31125d01dcb46174186e930ee9a03ea1a
11. 0xb91bf0ba3ebff769d1b88f93fcb076477149787a7e31c3c28ce4fe8823b7c144
12. 0x2121cc2dbcb8663af57743dc445c8a59e5bbfffe89703f0606c9843f0d35aff8
13. 0x66883b42f4167ade51c4909f050c5478524e23786fb0b5c48bd1a53580960a68
14. 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae