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Evidence row 2201582

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://math-stats.x402tookit.com/confidence-interval
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
988a3677c4700d554a1e6e725c28d04ac9ecceaf22e2066c3d57761696bf97b5
Leaf
0xffa4b02afe866602403ea12e4223d8f5f09a911986dafbb4c139b9c92db1bd19

What was observed

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  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
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        "network": "eip155:8453",
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      },
      {
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        },
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        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Confidence interval for a mean (t interval from a list) or a proportion (Wilson and Wald from successes and trials).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "confidence": 0.95,
              "kind": "proportion",
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              "trials": 100
            },
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          },
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            "example": {
              "asOf": "2026-10-11T06:26:06.064Z",
              "confidence": 0.95,
              "degraded": false,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "marginOfErrorWald": 0.09799819923,
              "notChecked": [
                "whether the sample is random or representative",
                "normality for small samples when estimating a mean",
                "…2 more"
              ],
              "proportion": 0.5,
              "reasons": [
                "Wilson score interval: reliable for small samples and proportions near 0 or 1.",
                "The Wald interval is shown for comparison and misbehaves near 0 or 1.",
                "…1 more"
              ],
              "source": "computed locally",
              "successes": 50,
              "summary": "50 of 100 = 50%: 95% Wilson CI 40.383% to 59.617%.",
              "trials": 100,
              "verdict": "PROPORTION_INTERVAL",
              "wald": {
                "lower": 0.402001800773,
                "upper": 0.597998199227
              },
              "wilson": {
                "lower": 0.403831530366,
                "upper": 0.596168469634
              },
              "zCritical": 1.959963985
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                      "type": "number"
                    },
                    "kind": {
                      "description": "mean or proportion",
                      "type": "string"
                    },
                    "successes": {
                      "description": "For proportion: number of successes",
                      "type": "number"
                    },
                    "trials": {
                      "description": "For proportion: number of trials",
                      "type": "number"
                    },
                    "values": {
                      "description": "For mean: the sample values",
                      "type": "string"
                    }
                  },
                  "required": [
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                  "type": "object"
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                "type": {
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                    "confidence": {
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                      ]
                    },
                    "degraded": {
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                        "null"
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                    },
                    "disclaimer": {
                      "type": [
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                        "string"
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                    },
                    "marginOfErrorWald": {
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                        "number"
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                    },
                    "notChecked": {
                      "items": {
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                      "type": [
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                    },
                    "proportion": {
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                        "number"
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                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
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                        "string"
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                    },
                    "successes": {
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                    "trials": {
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                    },
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                    },
                    "wald": {
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                            "number"
                          ]
                        },
                        "upper": {
                          "type": [
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                            "number"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "wilson": {
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                            "number"
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                        },
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                            "number"
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                      },
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                    },
                    "zCritical": {
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                  "type": "string"
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              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T23:37:53.324Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T23:37:53.165Z"
    },
    "resource": "https://math-stats.x402tookit.com/confidence-interval",
    "serviceName": "Math and Statistics",
    "tags": [
      "statistics",
      "confidence-interval",
      "proportion",
      "mean"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Confidence interval for a mean (t interval from a list) or a proportion (Wilson and Wald from successes and trials)."
}

What the leaf hashes

{"body":"988a3677c4700d554a1e6e725c28d04ac9ecceaf22e2066c3d57761696bf97b5","id":2201582,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646806771236,"prev":null,"subject":"x402_bazaar:https://math-stats.x402tookit.com/confidence-interval","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0xffa48417e48b548aafacd8536bff101da55b2d2a276ab4aabf91af608077b7a2
  2. 0xf814e9f01c061cde7933e518c264bc02e171e1616f4aa7005eb8f4dd820f2144
  3. 0xe81e7dfa23b075175149edd2ee3a7b3c2fcc28769ce4608bbc79a6c795cb52f3
  4. 0x6a35a72fc78945c8a374c03599b315432c60faf313592d1b4c313548e6b236bc
  5. 0x2ffefc7448d24389dbc75329dd181c5c697c8de82265039e37b78a873f4ec50a
  6. 0x19d7233b8aa4bdb259b7717725e6206cb63a1705ad6c692920c4c57b1143b28a
  7. 0x8cde6767d1675c12a234df45469e0be2cfc955500da62af067510f33597874ee
  8. 0x888f39565567a7df80cd372e936b5b2482d33e3975ae57c82f524dba5bcca68a
  9. 0xcd9c1808ffc536a8738a3d65f86d822d46b89630e00afa24056e258134c9e689
  10. 0x3e426b116ee551043c7fa8011592fb48208455066b4051086dab03b7214b3987
  11. 0xf12f94b228ed72115bd658551ffcd676f11fbfe7bf397799563416a57be91255
  12. 0x45415c76d2ab204a9729a2a944991420a243f07964146403ea6d43181ac1ca44
  13. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
  14. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
  15. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON