Evidence row 71656

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bio.halowerk.com/v1/tissue-scaffold"
    ]
  ],
  "name": "bio.halowerk.com/v1/tissue-scaffold",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Uses the Kozeny-Carman relation with supplied porosity and pore diameter, then applies Darcy’s law with supplied thickness, viscosity and pressure drop. It is an idealized homogeneous porous-medium calculation, not scaffold design validation, cell-transport modeling, biocompatibility assessment or medical guidance.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "fluid_dynamic_viscosity_pa_s": 0.001,
              "kozeny_constant": 180,
              "mean_pore_diameter_um": 180,
              "porosity_fraction": 0.72,
              "pressure_drop_pa": 1200,
              "scaffold_thickness_mm": 4
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "fluid_dynamic_viscosity_pa_s": {
                      "maximum": 1000000,
                      "minimum": 1e-9,
                      "type": "number"
                    },
                    "kozeny_constant": {
                      "maximum": 10000,
                      "minimum": 1,
                      "type": "number"
                    },
                    "mean_pore_diameter_um": {
                      "maximum": 1000000,
                      "minimum": 0.001,
                      "type": "number"
                    },
                    "porosity_fraction": {
                      "maximum": 0.99,
                      "minimum": 0.01,
                      "type": "number"
                    },
                    "pressure_drop_pa": {
                      "maximum": 1000000000000,
                      "minimum": -1000000000000,
                      "type": "number"
                    },
                    "scaffold_thickness_mm": {
                      "maximum": 1000000,
                      "minimum": 0.001,
                      "type": "number"
                    }
                  },
                  "required": [
                    "porosity_fraction",
                    "mean_pore_diameter_um",
                    "scaffold_thickness_mm",
                    "fluid_dynamic_viscosity_pa_s",
                    "pressure_drop_pa"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T00:15:13.472Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-26T00:15:13.267Z"
    },
    "resource": "https://bio.halowerk.com/v1/tissue-scaffold",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Uses the Kozeny-Carman relation with supplied porosity and pore diameter, then applies Darcy’s law with supplied thickness, viscosity and pressure drop. It is an idealized homogeneous porous-medium calculation, not scaffold design validation, cell-transport modeling, biocompatibility assessment or medical guidance."
}

What the leaf hashes

{"body":"4e560a333c9c88a4e926aafb8594f197d193ff6b788034050a3c6f25892aa40b","id":71656,"kind":"listing","method":"baseline/1","observed_us":1793025483057114,"prev":null,"subject":"x402_bazaar:https://bio.halowerk.com/v1/tissue-scaffold","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. 0x458c15ee01066652d19056c5bbb5456a674f25d1c91c6599660fbc9f0a8a5102
2. 0x0107140cf2b27fa52af2e72d68b492f9b0701faa4d2d115a8724ab68ee88017c
3. 0xf64bb9b6da4c800860226d24ab1fde3610f3f89cdafc4e3d42fe17fc2a8a0ec4
4. 0xacc8cb5547d7873c6326c095ed3b69392f0003947b04d3e52a6f921cbbe95479
5. 0xca56799439920d6979c831b6d7ea742d4a6d8c83e96d5ccb99f30941cd45c448
6. 0x2f1d8a42d865c50d2bcf7a41845e0ce90eadb0f55de9a5d8bf5bd25036f4e695
7. 0x97fac4236d6c020704cf770246d43dc05886fa50f6637c359dbc77d34ebd849d
8. 0x14c69bc717852ed2327a8207b6577764a345a59c5a67a7fb88df9aae541c91ad
9. 0x8ccae0c72bedadd26237e0b23bd7aec5a02bcf13f1046e422eaa0e21c60ce58b
10. 0x75efd3c597556136979ad9d48e37e655b7474b696bfc717fdfd33c62119b363e
11. 0x415bf66d9c632a887484603836ad3f90715af6f56ae73f0a5711497372ba0265
12. 0x804dd9d5afe0f1a780e24099fb6b21f5f20545893ea0eeddf5fb9114e2f3edd5
13. 0x54b29089c0a3cbbd6ddbe58944696110984dd5f418275cb1b77f957c56da8eab
14. 0x8b27a4c21bf4ba962fd008c8f4300bc6953764a5032b9ab0cfe696b318c45326
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae