Evidence row 2201886

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://finance-calculators.x402tookit.com/roi-cagr"
    ]
  ],
  "name": "Finance 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": "Return on investment and compound annual growth rate (CAGR) from a start value, end value and years held.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "end": 200,
              "start": 100,
              "years": 10
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T03:59:15.782Z",
              "cagrPct": 7.1773,
              "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.",
              "gain": 100,
              "multiple": 2,
              "notChecked": [
                "dividends, fees, taxes, cash flows in between (use /npv-irr)",
                "risk"
              ],
              "reasons": [
                "CAGR is the constant yearly rate that turns the start value into the end value."
              ],
              "source": "computed locally",
              "summary": "Total return 100%; annualized (CAGR) 7.177% over 10 years.",
              "totalReturnPct": 100,
              "verdict": "GAIN"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "end": {
                      "description": "Ending value",
                      "type": "number"
                    },
                    "start": {
                      "description": "Starting value",
                      "type": "number"
                    },
                    "years": {
                      "description": "Years between them",
                      "type": "number"
                    }
                  },
                  "required": [
                    "start",
                    "end",
                    "years"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "cagrPct": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "gain": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "multiple": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "totalReturnPct": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:54:44.653Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:54:44.406Z"
    },
    "resource": "https://finance-calculators.x402tookit.com/roi-cagr",
    "serviceName": "Finance Calculators",
    "tags": [
      "roi",
      "cagr",
      "returns"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Return on investment and compound annual growth rate (CAGR) from a start value, end value and years held."
}

What the leaf hashes

{"body":"e6d877491c24f8d41b8708e86cb9286d77df0e450343b861ae6846eb3dd5065d","id":2201886,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646810045931,"prev":null,"subject":"x402_bazaar:https://finance-calculators.x402tookit.com/roi-cagr","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. 0x60d903d07d5f263d01b2d2388df78aea32c65df7d89411fbbd4302e82bf94aa1
2. 0x37b0006f697bd9d8468b3cbc883ceae6bf13ef31c602d3b68ebe8207c6952b13
3. 0xe892f8e94c79e17293e9b0c29ef058b2159b0a3291e8dacc8fc484ed0d75126f
4. 0xe917e05e05f5a30e6e5544375bef0845e479c4679811ccf2a90b41dff659f75d
5. 0xa133867678edc419f5f9f126b2ac825b2fcfc831aadaa830f56de8e73490fd9a
6. 0x888d37151e7726491b8965a85b1121877cf57d0dd639eeea0c91d759432bd3fe
7. 0xbf3472c96a602b2732cb2b1c9f9d22bfa80500b67e8ca8863bcd883203dab5fd
8. 0xe3b2f0beaefb1c2aa4559989952dd2e3b5e7eab462b623e6bc69c314bcde4bec
9. 0x8205e96175302f72de6adf63635e25418b006656ef9669f33881d6a3728ba2f0
10. 0x16911326dcd16e8ddd241cea6150682180cb4434320a0811e0e18dd5a226a974
11. 0xabd9ea0ed6034fe9ec9a545a2cc7ead795c4ef93ad26f3922ec6093f62aaf439
12. 0x6b4875590ee8954f5315611ea1c32c35ce609ce69cc5cd56dab438a799f4f825
13. 0xfcf5d9c790c40588489c41a23736feba4efc9e83eda3317c30f53a98ce8d1d89
14. 0x6ae97c2bdc679e3326a739627f6c3a307d7e25e547b9bf23dbf2622fb26d858e
15. 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af