Evidence row 2201804

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://stats-tests.x402tookit.com/normality-check"
    ]
  ],
  "name": "Statistical Tests",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Normality screen for a sample: skewness, excess kurtosis, Jarque-Bera test with p-value, and the 68-95-99.7 rule check.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "values": "4.1,5.2,4.8,5.0,5.5,4.9,5.1,6.0,4.7,5.3,4.4,5.6"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T08:55:56.578Z",
              "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.",
              "excessKurtosis": -0.4330947946,
              "jarqueBera": 0.09689143904,
              "mean": 5.05,
              "n": 12,
              "notChecked": [
                "small samples (Jarque-Bera is unreliable under about 30 observations: look at a histogram or Q-Q plot)",
                "that approximate normality is what your method needs (many tests tolerate moderate departures)",
                "…1 more"
              ],
              "pValue": 0.95270905,
              "reasons": [
                "No significant departure detected.",
                "Fewer than 30 values: this test has little power, so 'consistent with normal' is weak evidence.",
                "…1 more"
              ],
              "sd": 0.5248376372,
              "significantAt5pct": false,
              "skewness": -0.03940741347,
              "source": "computed locally",
              "summary": "n=12: skewness -0.039, excess kurtosis -0.433, Jarque-Bera 0.097 (p = 0.9527); 66.7% within 1 SD (normal: 68.3%), 100% within 2 SD (95.4%).",
              "verdict": "NO_EVIDENCE_AGAINST_NORMAL_SMALL_SAMPLE",
              "within1SdPct": 66.667,
              "within2SdPct": 100,
              "within3SdPct": 100
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "values": {
                      "description": "Sample values (8 to 500)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "values"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "excessKurtosis": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "jarqueBera": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "mean": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "n": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "pValue": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "sd": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "significantAt5pct": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "skewness": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "within1SdPct": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "within2SdPct": {
                      "type": [
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                        "number"
                      ]
                    },
                    "within3SdPct": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T23:25:09.205Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-01T23:25:08.906Z"
    },
    "resource": "https://stats-tests.x402tookit.com/normality-check",
    "serviceName": "Statistical Tests",
    "tags": [
      "statistics",
      "normality",
      "jarque-bera",
      "skewness"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Normality screen for a sample: skewness, excess kurtosis, Jarque-Bera test with p-value, and the 68-95-99.7 rule check."
}

What the leaf hashes

{"body":"dd53a66fe4c783ae1d2ce94794f464039c904d0e8db5a3ccc6a1af9996f51372","id":2201804,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646808961092,"prev":null,"subject":"x402_bazaar:https://stats-tests.x402tookit.com/normality-check","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x6cbedef2d31cee3c87bc37d76b48c2b36e8850f1ec03ba1aefc0d36184ead592
2. 0x902744ab50d196c1daeff69a5efc3c298bdd2c9cbf97716caf14e2c244f8de84
3. 0x231b9c5de36a4e4cd3d8f5af663e3eafc05849b4d65fb21c30d7deef5d34e7fd
4. 0xf0ce463dc546aa17d9e1720813f25c57a0425088c78938cc46ca32a9c94b3b5b
5. 0xbf25bc75241f6de012fec2197d124e966d38391991c4581dd574bebc15b2c761
6. 0xf9f9deefb6b930798a5f32d53ee92ea83abd26ea14e6f3eb6935ea8e8e724fbd
7. 0x6f2bfbf10f16faa9d62ee8530e246455fcb795666369e8830c95f60e011624a1
8. 0xc552a19469c9e4fa4bc4eb42bdc540f9a798cedbe2bd93b369400738294761df
9. 0x3d91b5c4dfebe280b97aec614d4e7d2024d89b460008886f6c2689d66a195814
10. 0xe8ad0eeacd9555ed326217f2030f7b5eae5e0a513a932af688c4384ee16cae7d
11. 0x27164f3021a6e3e59e579750a4a17d8f056afbb23bc61fdc515520dedd12588c
12. 0x422f88961d8ed7b66081255345c1b55753a868cd54db340a891b83237f704da4
13. 0x9e9a25a642137f47c2c84b5e744fe2a673304740cc0eb165018b100bc5cbaf0c
14. 0xb903742c059190ddedc375958f73db84c3806732f1e54330407245d4734015f5
15. 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af