Evidence row 2201173

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://time-series-calc.x402tookit.com/trend-seasonality"
    ]
  ],
  "name": "Time Series Calculators",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "30000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "30000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "30000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "30000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Classical additive decomposition of a series into trend, seasonal and remainder parts for a given period.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "period": 4,
              "values": "12,11,15,12,16,15,19,16,20,19,23,20"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-21T06:18:23.719Z",
              "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.",
              "n": 12,
              "notChecked": [
                "multiplicative seasonality (only the additive model is fitted)",
                "changing seasonal patterns over time",
                "…1 more"
              ],
              "period": 4,
              "reasons": [
                "Trend is a centered moving average of length 4 (2 x 4 convention); the first and last 2 trend values are null.",
                "Seasonal indices are the average detrended value for each position in the cycle, adjusted to sum to zero.",
                "…1 more"
              ],
              "remainder": [
                null,
                null
              ],
              "remainderRms": 0,
              "seasonal": [
                1,
                -1
              ],
              "seasonalIndices": [
                1,
                -1
              ],
              "seasonalSwing": 4,
              "source": "computed locally (classical decomposition, Hyndman and Athanasopoulos FPP chapter 3)",
              "summary": "Additive decomposition, period 4: seasonal swing 4, remainder RMS 0.",
              "trend": [
                null,
                null
              ],
              "verdict": "COMPUTED"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "period": {
                      "description": "Observations per seasonal cycle, 2 or more (for example 12 for monthly data); need at least 2 cycles",
                      "type": "integer"
                    },
                    "values": {
                      "description": "Comma-separated numbers in time order, oldest first (4 to 500), any one unit",
                      "type": "string"
                    }
                  },
                  "required": [
                    "values",
                    "period"
                  ],
                  "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"
                      ]
                    },
                    "n": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "period": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "remainder": {
                      "items": {
                        "type": [
                          "null",
                          "number"
                        ]
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "remainderRms": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "seasonal": {
                      "items": {
                        "type": "number"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "seasonalIndices": {
                      "items": {
                        "type": "number"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "seasonalSwing": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "trend": {
                      "items": {
                        "type": [
                          "null",
                          "number"
                        ]
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:09:56.337Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T04:09:56.17Z"
    },
    "resource": "https://time-series-calc.x402tookit.com/trend-seasonality",
    "serviceName": "Time Series Calculators",
    "tags": [
      "decomposition",
      "seasonality",
      "trend",
      "time-series"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Classical additive decomposition of a series into trend, seasonal and remainder parts for a given period."
}

What the leaf hashes

{"body":"4085d5fa452acb320568d48103a02eedcfd6cfc48394ec4afd1d18283f81a5df","id":2201173,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646801176336,"prev":null,"subject":"x402_bazaar:https://time-series-calc.x402tookit.com/trend-seasonality","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. 0xd976f16e1613fc85134d2b599c2a793616e248a6891f534da7aec1515c222468
2. 0x0a5fadd02b36419c68ddfcadc1d996230d0bd69666a4530b0455dafd84f8cf10
3. 0x910f1404a72ed7b088f31e45e86ad3fc9027c4bbd9659051632bfbca96e81b83
4. 0x0281d07458efc9f960f96f2b231cb4c1c46b3ebd29c3ab3964ce201cd7ac6bd0
5. 0x55e7821059eac05492970cb3db52eb383f8e001d8ef48431b2803cf2a85fef71
6. 0xfceb26aa8c9eb21f9c34c5bee565d6bf076028a3c4fb557d79a58f65fec6be42
7. 0xf766d0c55868da90d2cb232ff406d718836f78c2e1c45d2b3dcfae6c717af186
8. 0xd68c0c4c47d3513042c5a5182e38c62ce8f4eb82b43d18f94d8950a4b97c358e
9. 0x34d64e6752e400a50fa5da1f8cda90746cfe5669001172c93dc9808168f7f770
10. 0x1ce92e0e015c0556364446b9ccb8dd98a07ddbb3a1c52c5bcbb6d50d4da1dcc7
11. 0x0fcc11efce792eaf22ce652683b3f06fd2f070091bf599b085fc1e28ae0626f0
12. 0x435cc71c6d86200fe212d967213b085a0a83df982afce4acfdcbc7d5c99e493a
13. 0xf501fcee968477faaca9a060259336a60c82a32ca56ab2da724f950f415e8b62
14. 0xaed7c1080b4ff0b1fc4f851df0f2b8b4ef86b106015aa3aaf8da39a641c41a3d
15. 0xa370e8e015a32408a8112e54e5f40a8a65e871bd52bbc6f25fbd1139f2ba5b11
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af