← The evidence ledger
Evidence row 118526
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://physician-payment-screen.iykykblog.workers.dev/screen
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 88789775b01bb2e4826b562fa4c6dbd9fa8e648b7366be6fb925e8fc9a5acb45
- Leaf
- 0x68ee46783c2a973b60ac6c36ca710bab177703f0cbb87f7235640fa9d58753ed
What was observed
{
"endpoints": [
[
"x402",
"https://physician-payment-screen.iykykblog.workers.dev/screen"
]
],
"name": "physician-payment-screen.iykykblog.workers.dev/screen",
"owner_address": "0x329b4b66afbc407bb3a22daeb465487c6faa08c1",
"raw": {
"accepts": [
{
"amount": "80000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x329b4b66AFBC407bb3a22DAEb465487c6FAa08C1",
"scheme": "exact"
}
],
"description": "Screen a US physician by NPI against CMS Open Payments (Sunshine Act) general-payment records. Returns total reported payments, payment count, top paying companies, natures of payment, and a factual volume verdict. Public-domain CMS data.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"npi": "1336340082"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"found": true,
"natures_of_payment": [
"Compensation for services other than consulting",
"Travel and Lodging",
"Consulting Fee",
"Food and Beverage"
],
"npi": "1336340082",
"percentile_note": "Reported total is between the 90th and 99th percentiles ($1854.19-$43333.04) nationally.",
"physician": {
"city": "Chicago",
"name": "Michael Chen",
"specialty": "Neurology",
"state": "IL"
},
"reported_payment_count": 42,
"top_companies": [
{
"amount_usd": 16454.07,
"company": "Medtronic, Inc."
},
{
"amount_usd": 7796.55,
"company": "Medical Device Business Services, Inc."
},
{
"amount_usd": 5412.08,
"company": "Penumbra, Inc."
}
],
"total_reported_amount_usd": 29988.08,
"verdict": "high",
"year": 2024
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"npi": {
"description": "10-digit National Provider Identifier (NPI) of the physician",
"type": "string"
}
},
"required": [
"npi"
],
"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": "2026-10-12T19:09:42.218Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-12T19:09:30.564Z"
},
"resource": "https://physician-payment-screen.iykykblog.workers.dev/screen",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Screen a US physician by NPI against CMS Open Payments (Sunshine Act) general-payment records. Returns total reported payments, payment count, top paying companies, natures of payment, and a factual volume verdict. Public-domain CMS data."
}What the leaf hashes
{"body":"88789775b01bb2e4826b562fa4c6dbd9fa8e648b7366be6fb925e8fc9a5acb45","id":118526,"kind":"listing","method":"baseline/1","observed_us":1793025613169632,"prev":null,"subject":"x402_bazaar:https://physician-payment-screen.iykykblog.workers.dev/screen","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x68ee41480747565ab03999094066ed52d6b75c242e981da1da7cdcef022897f2
- 0xf187fae66d2ab8c88c48923073f3eb10301b1cbddc83d43e75f98ed24c37fc37
- 0xc2bdb989c1ca624c65ce962e5282237698448b96d0cd3e1ac7aa65c10f37c8fc
- 0xecc31ecb12b05e5845957b23b46facdaab93bd9410cb79e7f6dbbc7ba3400d1c
- 0x3c9593ca2247dae6bc4ae276906c0b02eede7e2deabdc21b0e563bafc4eced76
- 0x4d5004ef3d08417a036498ab3eab51068f1ed4321d809f814be5bcc22ea93f97
- 0x84a33dbee904edb84d4f010e4ff717e3f5ddc71729461e4bc6ddcb3b8c7d78e9
- 0xcaf05bd4e0300d6be9595a961a79b3a2f7379ac1cb5922f8cf82ed0a1d7f7bb9
- 0x55352ff8c6728f75ebb817ac65f83111adf3fe63ec2798dab4c6405fd37709cf
- 0x3cc8ef99c9ff419f3bdcee24dfeea2d5e745c9771690d119229e8c3245f7137e
- 0x413b0c9464d3b38d47c32aba246ca98fb26aca16664bc872d8c725efdcf42145
- 0x9483a0a7a066ffc2fb890c8f34dbc91bf373e546e4a3800b76064288b3cc4875
- 0x5f350d70c252ff1169c0210fd45fce1b0ab8d7316f048741a9e90a6c8cb65dcf
- 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
- 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae