Evidence row 409323

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-niche-briefs.fly.dev/v1/dtc-repeat-purchase-curve"
    ]
  ],
  "name": "DTC cohort repeat-purchase curve",
  "owner_address": "0x847f54ae8ddfd71ed7bc930c1f7a73576fab03a9",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x847f54ae8dDFD71ed7bC930C1f7a73576FAb03A9",
        "scheme": "exact"
      }
    ],
    "description": "Project cumulative orders per customer from repeat rate decay.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "aov_usd": "45",
              "decay": "0.85",
              "first_repeat_pct": "28",
              "months": "12"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-25",
              "curve": [
                1,
                1.28
              ],
              "input": {
                "aov_usd": 45,
                "decay": 0.85,
                "first_repeat_pct": 28,
                "months": 12
              },
              "orders_per_customer": 2.55,
              "revenue_per_customer_usd": 114.94
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "aov_usd": {
                      "description": "AOV",
                      "type": "string"
                    },
                    "decay": {
                      "description": "Retention multiplier per subsequent order",
                      "type": "string"
                    },
                    "first_repeat_pct": {
                      "description": "% who place 2nd order",
                      "type": "string"
                    },
                    "months": {
                      "description": "Horizon orders count (max repeats)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "first_repeat_pct",
                    "decay",
                    "aov_usd",
                    "months"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "properties": {
                    "as_of": {
                      "type": "string"
                    },
                    "curve": {
                      "items": {
                        "type": "number"
                      },
                      "type": "array"
                    },
                    "input": {
                      "properties": {
                        "aov_usd": {
                          "type": "number"
                        },
                        "decay": {
                          "type": "number"
                        },
                        "first_repeat_pct": {
                          "type": "number"
                        },
                        "months": {
                          "type": "number"
                        }
                      },
                      "required": [
                        "first_repeat_pct",
                        "decay",
                        "aov_usd",
                        "months"
                      ],
                      "type": "object"
                    },
                    "orders_per_customer": {
                      "type": "number"
                    },
                    "revenue_per_customer_usd": {
                      "type": "number"
                    }
                  },
                  "required": [
                    "input",
                    "orders_per_customer",
                    "revenue_per_customer_usd",
                    "curve",
                    "as_of"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T02:18:14.5Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T11:04:25.998Z"
    },
    "resource": "https://x402-niche-briefs.fly.dev/v1/dtc-repeat-purchase-curve",
    "serviceName": "DTC cohort repeat-purchase curve",
    "tags": [
      "supply-chain",
      "dtc",
      "cohort"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Project cumulative orders per customer from repeat rate decay."
}

What the leaf hashes

{"body":"3d4870e9a1243cdd8b762b24b1d5c9d242652547f014d0d246a6aafd3c4ca3ad","id":409323,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080369489234,"prev":80856,"subject":"x402_bazaar:https://x402-niche-briefs.fly.dev/v1/dtc-repeat-purchase-curve","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xcd25240cef242ef7ad336b61ecd4827c3c4460039f6e9b881fb0a2b1a341783e
2. 0xdb551dfb5a205fa2a753a402740419a2f39cebc0484a2f31e06312473c48cd86
3. 0x7d4f424cb76da0011b730a5e1dde574ce5321a29107fe0a8f3c431d795dca153
4. 0xbf6d1cd769ae23fa1804d38dc4e3d7a2068835acaf97474636647d2d8757af8b
5. 0xb1717aadb4ca57858e0ceb395c308196644375add5d1a5f0522d1eab45ee2d82
6. 0xda8a238c9ad643b32a0e2e015bb73f0ddd2d78fff0cb4258408f254b612b88d0
7. 0xc566d8a56590f44d1d93535b1947f9a240161efff34592903edc4d486e15a215
8. 0xc5dd838bf4288fcb3490c775773c6e8160a2825c5b85f0f2a3ccb30d2948a96f
9. 0x1ca8f16d15a32037141b41350f45e89e3f2e67002547320aaced65fd644ab9b0
10. 0xb8405eeba75c6be56beb524c5fd7accc70de5ceb18b5c0866feaa3130c03653b
11. 0xf6faea553d6354c2881afaf6cc13a2f3a8290ee9597618bbe3c61a828c5e4c23
12. 0x6c0803f2d7123e0bcd2a148e9fde0f429f31dc964ced287e760ee656fcd9912f
13. 0xeb77e9d1884bf470f4a13a5869956a83ac37957112a29ccb9e63ddf7791b5a0b
14. 0xcc49fd573532e5a29f5be4033f62a2eff71456c020bd2258312b98e95cfe301e
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4