Evidence row 80206

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://market.datapackvibe.com/x402/assistant-finance-contribution-margin-elasticity"
    ]
  ],
  "name": "market.datapackvibe.com/x402/assistant-finance-contribution-margin-elasticity",
  "owner_address": "0x8bc2aecdd86097f74a1a5fa17764108d9a683c8c",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x8bc2AECdD86097F74a1a5fa17764108D9a683C8C",
        "scheme": "exact"
      }
    ],
    "description": "Contribution margin ratio - Local finite-change elasticity: Measure output response to a supplied small percentage change in one nonzero input; local approximation. Metric: Contribution margin ratio. Supplied figures only; returns JSON with formula, units and limitations. One of 50 calculators with 20 analysis modes. No live feed, financial advice or trade execution. 0.01 USDC includes one bounded local finite-change elasticity report.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "baseline": {
                "sales": 10000,
                "variable_costs": 6000
              },
              "field": "sales",
              "step_percent": 1
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "files": [],
              "order_id": "ord_example",
              "result": {
                "completed": true,
                "workflow": "finance-contribution-margin-elasticity"
              },
              "sku": "assistant-finance-contribution-margin-elasticity",
              "status": "delivered"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "baseline": {
                      "additionalProperties": false,
                      "default": {
                        "sales": 10000,
                        "variable_costs": 6000
                      },
                      "properties": {
                        "sales": {
                          "default": 10000,
                          "description": "Amount in a consistent supplied currency and reporting period",
                          "exclusiveMinimum": 0,
                          "maximum": 1000000000000,
                          "minimum": 0,
                          "type": "number"
                        },
                        "variable_costs": {
                          "default": 6000,
                          "description": "Amount in a consistent supplied currency and reporting period",
                          "maximum": 1000000000000,
                          "minimum": 0,
                          "type": "number"
                        }
                      },
                      "required": [
                        "sales",
                        "variable_costs"
                      ],
                      "type": "object"
                    },
                    "field": {
                      "default": "sales",
                      "enum": [
                        "sales",
                        "variable_costs"
                      ],
                      "type": "string"
                    },
                    "step_percent": {
                      "default": 1,
                      "maximum": 10,
                      "minimum": 0.01,
                      "type": "number"
                    }
                  },
                  "required": [
                    "baseline",
                    "field",
                    "step_percent"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T04:51:03.646Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-25T04:51:03.434Z"
    },
    "resource": "https://market.datapackvibe.com/x402/assistant-finance-contribution-margin-elasticity",
    "tags": [
      "ai",
      "business-finance",
      "workflow"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Contribution margin ratio - Local finite-change elasticity: Measure output response to a supplied small percentage change in one nonzero input; local approximation. Metric: Contribution margin ratio. Supplied figures only; returns JSON with formula, units and limitations. One of 50 calculators with 20 analysis modes. No live feed, financial advice or trade execution. 0.01 USDC includes one bounded local finite-change elasticity report."
}

What the leaf hashes

{"body":"7af9d4daec86d764b5c35977188073bca7f4a6898a2f2e2198fafc31b21340a1","id":80206,"kind":"listing","method":"baseline/1","observed_us":1793025498428637,"prev":null,"subject":"x402_bazaar:https://market.datapackvibe.com/x402/assistant-finance-contribution-margin-elasticity","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. 0x75145fead5a34fdd6a7eec3a1a13f3f1eb76bd74e166914d2d81119ff1f4bab6
2. 0x834380f3d65decaecf018ef6687952d134b948a9d3bf14c6ee716e61abe54411
3. 0x30b195341e06ba713ee6a834b27befcb7439c6911f1dfd2e5661ca41eb23c60a
4. 0x3e7eca68e6502a49664dbb72eb5dc099dcc2459505d124f70eeb5c24d3add869
5. 0x4b607e03d86873fb8fdd945720eb83ffceb9c5d983355d70d61ea0da838efb19
6. 0xd4b58b463dce0689c10a759d149e2f6e6ba370a709a5249c0a345f8a59d7ff10
7. 0x6ef54b1db1561d39d41d52634aac396b7d477d4bff64786709d67356cb65c054
8. 0x6ec9a3757427cee2e00f8d8c1f7d15cf3f16e79716ab18ef06b2f334af0c69a5
9. 0x3e6cd050d8689064b852ac883c96c324e0131a491f68bc3ef665584d5fac9073
10. 0xa5cab88755e99fd7d4830115b4e412f63a460a19c270832f53f6e32be125c3da
11. 0xff8296d2db87846f2b3d9a7a4926ee8ea17587a9a2960c155a4f0e1d36206dd8
12. 0x43ccc5fffcdb82bff6ecf4ac7157c905b45d2f0362e7f7fbe908de1250b9533c
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae