Evidence row 218742

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-niche-briefs.fly.dev/v1/amazon-subscribe-save-margin"
    ]
  ],
  "name": "x402-niche-briefs.fly.dev/v1/amazon-subscribe-save-margin",
  "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": "Margin after S&S discount tiers.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "price_usd": "24.99",
              "seller_discount_pct": "5",
              "unit_cost_all_in_usd": "14"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-25",
              "input": {
                "price_usd": 24.99,
                "seller_discount_pct": "5",
                "unit_cost_all_in_usd": 14
              },
              "margin_pct": 41.03,
              "margin_usd": 9.74,
              "net_price_usd": 23.74,
              "note": "Amazon funds additional 5-10% tier discounts above seller-funded discount"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "price_usd": {
                      "description": "Price",
                      "type": "string"
                    },
                    "seller_discount_pct": {
                      "description": "Seller-funded base discount %",
                      "enum": [
                        "0",
                        "5",
                        "10",
                        "15",
                        "20"
                      ],
                      "type": "string"
                    },
                    "unit_cost_all_in_usd": {
                      "description": "All-in unit cost incl. fees",
                      "type": "string"
                    }
                  },
                  "required": [
                    "price_usd",
                    "seller_discount_pct",
                    "unit_cost_all_in_usd"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "properties": {
                    "as_of": {
                      "type": "string"
                    },
                    "input": {
                      "properties": {
                        "price_usd": {
                          "type": "number"
                        },
                        "seller_discount_pct": {
                          "type": "string"
                        },
                        "unit_cost_all_in_usd": {
                          "type": "number"
                        }
                      },
                      "required": [
                        "price_usd",
                        "seller_discount_pct",
                        "unit_cost_all_in_usd"
                      ],
                      "type": "object"
                    },
                    "margin_pct": {
                      "type": "number"
                    },
                    "margin_usd": {
                      "type": "number"
                    },
                    "net_price_usd": {
                      "type": "number"
                    },
                    "note": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "input",
                    "net_price_usd",
                    "margin_usd",
                    "margin_pct",
                    "note",
                    "as_of"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T11:01:58.365Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T11:01:58.191Z"
    },
    "resource": "https://x402-niche-briefs.fly.dev/v1/amazon-subscribe-save-margin",
    "tags": [
      "marketplace",
      "amazon",
      "subscription"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Margin after S&S discount tiers."
}

What the leaf hashes

{"body":"cf0fcce1dd159f577dcb9a4962072f1cb80bb3224540c14bd92c098ade5f4d20","id":218742,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026648301231,"prev":null,"subject":"x402_bazaar:https://x402-niche-briefs.fly.dev/v1/amazon-subscribe-save-margin","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x3bcc4ebdf8046ae54d429a5c4a1483b1da3dd583cd2fe994df7fee24b4280575
2. 0x8cad2f6c245c245def1218872e0247dd115fd51cf5dbedaee0a938cf646fd43b
3. 0xa7a79b483b71e17fdfea4de0e4095b983460ffb3923df9f670673164b3dbde6c
4. 0x84e4c2fae2c3fdfabf2cac04ea70b4b66d3683dba1ad9a4e0cf4b20bc07bc224
5. 0x057206676e9ad6a4aa379d12730ab3f12813a2e7dc3798a8706021e40bfba6e1
6. 0x38be7c12b27c08b1979d2c91b776908364249d7b2a29abb8026147ae3f4d0b84
7. 0xc5e50e0d955a897444401d6255f1221e8754f8bfa81819741cb34f9ee8c8659d
8. 0xbc0baebe592cff50963033861f302a3744d6b67194dfd9724245f157fac365cf
9. 0xf2faf4093728c777232702b119748ec430da4271007ae8518a236a38e4851f96
10. 0x2e8a687ff66d8afe58fa1b3504a221aae25ce629dbb3718301a0d0479898a139
11. 0x876d91ae08f3c341c1d9ba4ed92a9c937c054b5c7d6cd935bb21dda6fb029cac
12. 0xdb4b9388e3fe1df4b04e149e559f925fb354066ae1d2537fd6f918162716fadf
13. 0xe2214b3d6a48396930d1739b02ea366de2aac5337c9b9ff2aff28cecf6518139
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae