Evidence row 2201666

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://life-dates.x402tookit.com/generation"
    ]
  ],
  "name": "Life Dates & Milestones",
  "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": "Generation label (Silent, Boomer, Gen X, Millennial, Gen Z, Alpha) for a birth year using Pew Research cut-offs.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "birthYear": 1990
            },
            "type": "http"
          },
          "output": {
            "example": {
              "allRanges": [
                {
                  "from": 1901,
                  "generation": "Greatest Generation",
                  "to": 1927
                },
                {
                  "from": 1928,
                  "generation": "Silent Generation",
                  "to": 1945
                }
              ],
              "asOf": "2026-10-12T01:19:27.995Z",
              "birthYear": 1990,
              "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.",
              "edgeYear": false,
              "generation": "Millennial",
              "notChecked": [
                "other organisations draw the lines differently (for example Strauss-Howe or marketing firms)",
                "the label says nothing about an individual",
                "…1 more"
              ],
              "rangeEnd": 1996,
              "rangeStart": 1981,
              "reasons": [],
              "source": "computed locally (Pew Research Center generation definitions)",
              "summary": "1990 falls in Millennial (1981 to 1996).",
              "verdict": "CLASSIFIED",
              "yearsIntoGeneration": 9
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "birthDate": {
                      "description": "Birth date YYYY-MM-DD",
                      "type": "string"
                    },
                    "birthYear": {
                      "description": "Birth year, 1901 to 2100 (use this or birthDate)",
                      "type": "integer"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "allRanges": {
                      "items": {
                        "properties": {
                          "from": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "generation": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "to": {
                            "type": [
                              "null",
                              "number"
                            ]
                          }
                        },
                        "type": "object"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "birthYear": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "edgeYear": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "generation": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "rangeEnd": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "rangeStart": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "reasons": {
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "yearsIntoGeneration": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T23:33:41.326Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T23:33:41.173Z"
    },
    "resource": "https://life-dates.x402tookit.com/generation",
    "serviceName": "Life Dates & Milestones",
    "tags": [
      "generation",
      "demographics",
      "cohort",
      "birth-year"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Generation label (Silent, Boomer, Gen X, Millennial, Gen Z, Alpha) for a birth year using Pew Research cut-offs."
}

What the leaf hashes

{"body":"0e18f938fcc2463e9a5c4d74609853528ba8fc1cd8703d54c62bc2fed61e3f5a","id":2201666,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646807792454,"prev":null,"subject":"x402_bazaar:https://life-dates.x402tookit.com/generation","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. 0xfe4d13dd9812d19875843a0800b6da570329783f8b3a1d90862c579e90d6f5a8
2. 0xff610aca4a5a12df74745e0490d4488ba4e8394953b3a4f8a4e6e1f7b2ba2b74
3. 0x993a10e4680fb759fa8d206f9c8a05807fde8853b7f2a41ced010d3c1d5479ec
4. 0x54c32021386817dac9b7d9e14652b11c5196c13c59d7ca0ed5341e1f2776b59f
5. 0x1b0f1dd7c49ec882ef885261476a240d9f776b6a9a312c3090da3d023ddb604d
6. 0x40f6c36b39280da85aa6b293e1bd586d63877dc575b5467e81207cf79760b17e
7. 0xb927fad8db52990581e4dc29c3f770473abaaf60bd6d62cb5e4bcf7c50e97761
8. 0xdbffcaa2ef00798c6393637c2c9c58f24ef94a0ee9a20f49578e07c261ccd0e4
9. 0xa36ebc81a621bf244494bd9b835efe0439d9b9d80ba6739fa79fb7129649d6db
10. 0x3d9a759e51911e8b9c4fb2961369fdb88f7ede464bbe9c9e8155373312725994
11. 0x809f7ca0c2751136c11aaa1b7cf40ea295c49d1e9dda5eca68178053a1104a49
12. 0x558609da34276e08016027f0ba334013ad7a47d8258758a41e477a91a04eb076
13. 0x2612b2a6ca482d4e1e568f2a6d1980f6401f76dd9a2480fd196bb762b9e1c71c
14. 0x59ed3c823c7507ae1b2993d19eda543383739dde961b25c4e0927023fff6be12
15. 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
16. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af