Evidence row 2201175

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://time-series-calc.x402tookit.com/moving-average"
    ]
  ],
  "name": "Time Series Calculators",
  "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": "Simple, exponential or weighted moving average of a list of numbers, trailing or centered, with the alignment stated.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "type": "sma",
              "values": "10,12,11,13,15,14,16",
              "window": 3
            },
            "type": "http"
          },
          "output": {
            "example": {
              "alignment": "trailing",
              "alignmentNote": "Trailing 3-point average: each output sits at the END of its window (uses only past values); the first 2 positions are null.",
              "alpha": null,
              "asOf": "2026-10-21T06:18:23.204Z",
              "count": 7,
              "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.",
              "latest": 15,
              "notChecked": [
                "whether the series is stationary or has outliers (see /outliers)",
                "missing values or uneven time spacing (every value is treated as equally spaced)"
              ],
              "reasons": [
                "Trailing 3-point average: each output sits at the END of its window (uses only past values); the first 2 positions are null."
              ],
              "smoothed": [
                null,
                null
              ],
              "source": "computed locally (textbook moving averages)",
              "summary": "SMA of 7 values: latest smoothed value 15.",
              "type": "sma",
              "verdict": "COMPUTED",
              "weights": null,
              "window": 3
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "align": {
                      "description": "trailing (default) or centered, for sma",
                      "type": "string"
                    },
                    "alpha": {
                      "description": "ema smoothing factor above 0 up to 1 (default 0.3); send alpha or span, not both",
                      "type": "number"
                    },
                    "span": {
                      "description": "ema span in observations (alpha = 2 / (span + 1)); use instead of alpha",
                      "type": "integer"
                    },
                    "type": {
                      "description": "sma, ema or wma (default sma)",
                      "type": "string"
                    },
                    "values": {
                      "description": "Comma-separated numbers in time order, oldest first (2 to 500 values), in any one unit",
                      "type": "string"
                    },
                    "weights": {
                      "description": "wma weights, oldest first, comma-separated (default 1,2,...,window)",
                      "type": "string"
                    },
                    "window": {
                      "description": "Window length in observations for sma and wma (default 3; must not exceed the number of values)",
                      "type": "integer"
                    }
                  },
                  "required": [
                    "values"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "alignment": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "alignmentNote": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "alpha": {},
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "count": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "latest": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "smoothed": {
                      "items": {
                        "type": [
                          "null",
                          "number"
                        ]
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "type": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "weights": {},
                    "window": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:09:50.948Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T04:09:50.787Z"
    },
    "resource": "https://time-series-calc.x402tookit.com/moving-average",
    "serviceName": "Time Series Calculators",
    "tags": [
      "moving-average",
      "smoothing",
      "time-series",
      "ema"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Simple, exponential or weighted moving average of a list of numbers, trailing or centered, with the alignment stated."
}

What the leaf hashes

{"body":"c0359436bbf429d3833ad12a8fbf06af0cbaebfbc48245b322c6d5ed14a46962","id":2201175,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646801182942,"prev":null,"subject":"x402_bazaar:https://time-series-calc.x402tookit.com/moving-average","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. 0x31566ffde9f85d002d213bfbe67f4a0a7bf75744e05026139bf88b75980c0d41
2. 0x02a38f1ec1902b72107840b939cf6b5797359aa41dffd097382f8757b2c6ebf2
3. 0xbc15c494f8bb6fc73f7a38087aa6e90eb867255494586ddc25aed8bb900ac66a
4. 0x85a415ff084b00bd3918ea6013777e6aa701f00caead9c1f72fda08d6456e6f6
5. 0xd53e0f7b37b7415008ed1e80f482ff871307d6afd74c63e900219c11c533bd74
6. 0x319e7962b2672a025dcaecc61daafa08f9f5272c440d4e5fe65d54c398383582
7. 0xd60203538537621639e52c0dc4269a4ae25087325f22d9cd45d60abf00518530
8. 0x31736cfbf354caaa40b05fc3d692bbab70ecfc76d844c24cfe7d434e1528208d
9. 0x62c6cf9ab673e6d3ebf17d3705d4c3bfc2eaae505575c1106770933d5eb6ea82
10. 0xcadf711437668af0c0d3d34cbcc150727cc5d18f52d42d9fbf2d651a7b0a45b8
11. 0x0112e4e45eb51898ecd3ae0b872fa6de4b24a668cedd767cc9c2c13657d3f5e2
12. 0x0069da835f0bdf3fac9b4da76faf3526f6622cf9f1f1db78993c2c79276ac031
13. 0xe0a95aa0d153f7a034b0dbeb91c5460c64c47c22ac037e0e8cfa69f4ff734b69
14. 0x74cae95d275254a9c747b603bd40b5086c5725fd3e904782e6447e4647e8b049
15. 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af