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Evidence row 2201176

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://time-series-calc.x402tookit.com/growth-rates
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
915e7b835d7023b2a2d3711ed0be30523aa38a95d6ecf156d870cbc52160eee0
Leaf
0x5b4ed4aa60fb9fc1957039f5f36aea2f400b51a5412a9bc42a1e622dd97d902d

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://time-series-calc.x402tookit.com/growth-rates"
    ]
  ],
  "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": "Period-over-period percent change, log returns, CAGR and rolling growth for a list of values in time order.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "periodsPerYear": 1,
              "rollingWindow": 2,
              "values": "100,110,121,133.1"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-21T06:18:22.953Z",
              "cagrPct": 10,
              "cumulativeChangePct": [
                0,
                10
              ],
              "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.",
              "logReturns": [
                null,
                0.0953101798
              ],
              "meanLogReturn": 0.0953101798,
              "n": 4,
              "notChecked": [
                "inflation, dividends, fees or taxes",
                "volatility between the endpoints (CAGR hides it)",
                "…1 more"
              ],
              "periodChangePct": [
                null,
                10
              ],
              "periods": 3,
              "periodsPerYear": 1,
              "reasons": [
                "CAGR uses 3 periods at 1 per year (3 years).",
                "Log returns add across periods; percent changes compound."
              ],
              "rollingChangePct": [
                null,
                null
              ],
              "rollingWindow": 2,
              "source": "computed locally (pct change = x_t/x_(t-1) - 1; log return = ln(x_t/x_(t-1)); CAGR = (last/first)^(periodsPerYear/(n-1)) - 1)",
              "sumLogReturns": 0.285930539,
              "summary": "4 values: total change 33.1%, CAGR 10% per year.",
              "totalChangePct": 33.1,
              "verdict": "COMPUTED",
              "years": 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": {
                    "periodsPerYear": {
                      "description": "Periods per year to annualise CAGR (12 monthly, 4 quarterly, 252 trading days; default 1 = one period is one year)",
                      "type": "number"
                    },
                    "rollingWindow": {
                      "description": "Also give growth over this many periods at each point (default none; 2 or more)",
                      "type": "integer"
                    },
                    "values": {
                      "description": "Comma-separated levels in time order, oldest first (2 to 500), in any one unit (not percentages)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "values"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "cagrPct": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "cumulativeChangePct": {
                      "items": {
                        "type": "number"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "logReturns": {
                      "items": {
                        "type": [
                          "null",
                          "number"
                        ]
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "meanLogReturn": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "n": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "periodChangePct": {
                      "items": {
                        "type": [
                          "null",
                          "number"
                        ]
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "periods": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "periodsPerYear": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "rollingChangePct": {
                      "items": {
                        "type": [
                          "null",
                          "number"
                        ]
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "rollingWindow": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "sumLogReturns": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "totalChangePct": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "years": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:09:48.429Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T04:09:48.205Z"
    },
    "resource": "https://time-series-calc.x402tookit.com/growth-rates",
    "serviceName": "Time Series Calculators",
    "tags": [
      "growth",
      "cagr",
      "log-returns",
      "time-series"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Period-over-period percent change, log returns, CAGR and rolling growth for a list of values in time order."
}

What the leaf hashes

{"body":"915e7b835d7023b2a2d3711ed0be30523aa38a95d6ecf156d870cbc52160eee0","id":2201176,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646801186731,"prev":null,"subject":"x402_bazaar:https://time-series-calc.x402tookit.com/growth-rates","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. 0x5b4ee34f0b1dcf0d082c907d0029676077f6eb2b536e25260b9b0bd834d07816
  2. 0x36ccaafe00c317be44419f790286525c1551d6b2dd3bb9e1613160a7cd63ef7c
  3. 0xf6e9a70f15763b3476e9c3eb34f3dcfc95d986b48a4f24c12ae8be88d8c38c05
  4. 0x29c527845a458b50ed2ec41b8fb003b17a6805926214e1321dc2d6b0f9e586ce
  5. 0x8e5bc0a9dba90a56376431545038e9ee3e93d9f068f42302ba00c0e5048e103e
  6. 0xd561cde759911ff9e5af0aa1a55c3878d8135f9eeb9cad003ef72e6c78fc0217
  7. 0xa5ff451f82da50dddda94503fc285b7a2e0a7554c480c18c5a48b41a59775dbc
  8. 0x6e3c7fa2f7b6a859a3ff7305fef718809ff22f6bbf3dd778d619249ec9590ed6
  9. 0x457038b85da6c23eddfaa938b5efc50ef4c46d4f848229de32d626694134b145
  10. 0x4d1009690e5a00e41999066377a4fdde2f8d3fd5d58087e85d9eaba4760c8a93
  11. 0x5dfd6b8238c9c9463d945b92375f14134251982a576313a89488b7314aa48958
  12. 0xc50f51339262e39d55afbcdc6f7bed39e2183da928578f2ec140055f38e1a1bf
  13. 0x04a2764875935b38489e204384b26fce2bde25d67ea9c3bfa8dfb815f7d3928e
  14. 0x463370b8390b2f93f44023fe6ce3fd4ebff0a7fecb7894dd4f82f8253ec8661f
  15. 0x52242d46cadab5f421a6f86c1edc6379b085ae98482fa80904e4a3028c1849a3
  16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
  17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON