Evidence row 71652

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bio.halowerk.com/v1/pathogen-r0"
    ]
  ],
  "name": "bio.halowerk.com/v1/pathogen-r0",
  "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": "Multiplies per-contact transmission probability, effective contacts per day and infectious duration to obtain a simple basic reproduction number, then applies a susceptible fraction for an effective number. It is a classroom homogeneous-mixing calculation, not an outbreak estimate, fitted epidemiological model or public-health forecast.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "effective_contacts_per_day": 9,
              "infectious_duration_days": 6,
              "susceptible_fraction": 0.72,
              "transmission_probability_per_contact": 0.035
            },
            "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": {
                    "effective_contacts_per_day": {
                      "maximum": 1000000,
                      "minimum": 0,
                      "type": "number"
                    },
                    "infectious_duration_days": {
                      "maximum": 100000,
                      "minimum": 0,
                      "type": "number"
                    },
                    "susceptible_fraction": {
                      "maximum": 1,
                      "minimum": 0,
                      "type": "number"
                    },
                    "transmission_probability_per_contact": {
                      "maximum": 1,
                      "minimum": 0,
                      "type": "number"
                    }
                  },
                  "required": [
                    "transmission_probability_per_contact",
                    "effective_contacts_per_day",
                    "infectious_duration_days",
                    "susceptible_fraction"
                  ],
                  "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": "2026-10-26T00:12:13.902Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-26T00:12:13.465Z"
    },
    "resource": "https://bio.halowerk.com/v1/pathogen-r0",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Multiplies per-contact transmission probability, effective contacts per day and infectious duration to obtain a simple basic reproduction number, then applies a susceptible fraction for an effective number. It is a classroom homogeneous-mixing calculation, not an outbreak estimate, fitted epidemiological model or public-health forecast."
}

What the leaf hashes

{"body":"482357a17b25d3a1f5495b0bc73714d23d6d184e238723454b21d329b19c79be","id":71652,"kind":"listing","method":"baseline/1","observed_us":1793025483053238,"prev":null,"subject":"x402_bazaar:https://bio.halowerk.com/v1/pathogen-r0","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. 0x20d82a694634ce5a8ab03876baa0d95559fe2df53e5d487922788da258c345f8
2. 0x79bb40a8b0d462e480b6cc712ef1662c15b4aa5f952776421d73588e9a6e203c
3. 0x8104019d0ed2db436826d2f2e6be315321fc04e9bb06c4bd45175e321a2c8fce
4. 0xc735c52969de83768c82e1daa01ff4d29f87842113b92aa291f69aa185d9a37d
5. 0xf9daea7ac18edd0e52df0744cb8ad2698d156307ba5b165cf1d10d8bc5247faf
6. 0x2e5af6149609f8fa551e0cdee037f9e543f3d11e6576599bcffe6f883e4a83db
7. 0xb361978338eaf31a49d6e9b4338363fff2a06d53bfd6f62947a684bd1723350c
8. 0x99b450fcc04f04d458ce5f9a02deafd8865db6f17fcb021fb33276dd770c2016
9. 0x1df53eea89402533b149ef41aa8545e434904d40b1ff2ef8f22ac3128edbaec2
10. 0x079e691201f8fe8ea3718cede784dde70b1316094e3ad526df647841955fcee3
11. 0x057e71ed555693238850b77237df28dd2661cf85c88138365b7e42941201ad01
12. 0xfde157310fc8513767b162378ca9ceefb2937c374b7381a8887f7ccba8ab5a80
13. 0x9d75d4d3ab6219edefa04be60b32fdd56be7a7672f370a5115f02f7b098ecd27
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae