← The evidence ledger
Evidence row 751132
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.findmydirectdoctor.com/v1/doctors/background
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0c3cf8c3537c5ec86f9f11aa11ea3563a8eb85cd2968cd4c0d835bf71630613e
- Leaf
- 0x5723d026baf271646d1f662381d9ce3c470563e98fbc38a17b84690ea8066ee7
What was observed
{
"endpoints": [
[
"x402",
"https://api.findmydirectdoctor.com/v1/doctors/background"
]
],
"name": "FindMyDirectDoctor Directory API",
"owner_address": "0xdf0102f7e02be8e80212698c38180adae3e01365",
"raw": {
"accepts": [
{
"amount": "30000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0xdF0102F7E02be8e80212698C38180ADAE3e01365",
"scheme": "exact"
}
],
"description": "Credentials search: find doctors by board certification, medical school, residency or fellowship program, hospital affiliation, publications (topic, journal, years), awards, academic title and institution, or years of experience. Results show the matching training, boards and papers with source grades. Only what the practice or the publisher lists, so many doctors list none. Needs a location or state, or an NPI.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"school": "Baylor",
"state": "TX"
},
"type": "http"
},
"output": {
"example": {
"count": 10,
"coverage_note": "Directory of cash-pay, direct primary care (DPC) and concierge practices, not every doctor.",
"data_as_of": "2026-10-02",
"disclaimer": "Prices and availability change. Confirm directly with the practice before making care decisions.",
"next_cursor": "bzoxMA==",
"query": {
"format": "concise",
"limit": 10,
"location": "TX",
"school": "Baylor"
},
"results": [
{
"background": {
"academic_roles": [],
"board_certifications": [],
"doctor_id": "fd_yizeaglh6m",
"hospital_affiliations": [],
"publications": {
"count": 0,
"papers": [],
"weak_matches": 0
},
"recognition": [],
"training": {
"fellowship": [],
"internship": [],
"residency": [],
"schools": [
{
"grade": "C",
"source_url": "https://www.dallashealthpartners.com/our-team",
"text": "Baylor University Medical Center, Houston",
"type": "pa_program"
}
]
}
},
"city": "Dallas",
"credential_class": "PA",
"credentials_text": "PA-C",
"doctor_id": "fd_yizeaglh6m",
"evidence": {
"as_of": "2026-10-27",
"basis": [
"own_site"
],
"grade_min": "C"
},
"location_precision": "zip",
"matched": {
"school": [
"Baylor University Medical Center, Houston"
]
},
"name": "Cassue Braun",
"practice_model": "concierge",
"practice_name": "Dallas Health Partners",
"specialty_label": "Integrative Medicine",
"state": "TX",
"website": "https://www.dallashealthpartners.com",
"zip": "75246"
},
{
"background": {
"academic_roles": [],
"board_certifications": [],
"doctor_id": "fd_ct63v2fwt2",
"hospital_affiliations": [],
"publications": {
"count": 0,
"papers": [],
"weak_matches": 0
},
"recognition": [],
"training": {
"fellowship": [],
"internship": [],
"residency": [
{
"grade": "B",
"source_url": "https://privatehealthdallas.com/team/",
"text": "Internal medicine, Washington University School of Medicine, 1998 to 2001"
}
],
"schools": [
{
"grade": "C",
"source_url": "https://privatehealthdallas.com/team/",
"text": "Baylor College of Medicine to",
"type": "medical"
}
]
}
},
"city": "Dallas",
"credential_class": "MD",
"credentials_text": "MD",
"doctor_id": "fd_ct63v2fwt2",
"evidence": {
"as_of": "2026-10-27",
"basis": [
"own_site"
],
"grade_min": "C"
},
"location_precision": "zip",
"matched": {
"school": [
"Baylor College of Medicine to"
]
},
"name": "Reuben Elovitz",
"practice_model": "concierge",
"practice_name": "Private Health Dallas",
"specialty_label": "Internal Medicine",
"state": "TX",
"website": "https://www.privatehealthdallas.com",
"zip": "75225"
}
],
"returned": 10,
"source": "FindMyDirectDoctor directory",
"statement_basis": "Facts are shown as the practice or publisher states them. Grade A = federal registry, board or ho...",
"total_matches": 12
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"academic": {
"description": "true keeps clinicians who list a teaching, faculty or research role.",
"enum": [
"true",
"false"
],
"type": "string"
},
"academic_title": {
"description": "professor, associate-professor, assistant-professor or clinical-instructor.",
"enum": [
"professor",
"associate-professor",
"assistant-professor",
"clinical-instructor"
],
"type": "string"
},
"award_type": {
"description": "any, top-doctor-list, castle-connolly, alpha-omega-alpha, rising-star, teaching, fellowship.",
"enum": [
"any",
"top-doctor-list",
"castle-connolly",
"alpha-omega-alpha",
"rising-star",
"teaching",
"fellowship"
],
"type": "string"
},
"board": {
"description": "Board certification the practice states, as a slug or words, for example family-medicine, dermatology, ABIM.",
"maxLength": 60,
"type": "string"
},
"city": {
"description": "City name. Used together with state; resolves only for cities that have listed doctors.",
"maxLength": 80,
"type": "string"
},
"credential": {
"description": "Clinician type: MD, DO, NP (nurse practitioner), PA (physician assistant), other (for example naturopathic or counselor) or physician (MD or DO).",
"enum": [
"MD",
"DO",
"NP",
"PA",
"other",
"physician"
],
"type": "string"
},
"cursor": {
"description": "Opaque next_cursor value from the previous response, to fetch the next page with the same other parameters.",
"maxLength": 40,
"type": "string"
},
"fellowship_field": {
"description": "Fellowship field, for example Mohs surgery, reproductive endocrinology.",
"maxLength": 80,
"type": "string"
},
"format": {
"default": "concise",
"description": "concise = key fields. detailed = every field we hold.",
"enum": [
"concise",
"detailed"
],
"type": "string"
},
"hospital": {
"description": "Hospital or health system named in the practice's biography, for example Mayo Clinic, Scripps.",
"maxLength": 80,
"type": "string"
},
"include_weak": {
"description": "true also counts papers matched only by place or without an affiliation, flagged as weak.",
"enum": [
"true",
"false"
],
"type": "string"
},
"institution": {
"description": "Institution named in an academic role, for example Stanford.",
"maxLength": 80,
"type": "string"
},
"journal": {
"description": "Journal name or part of it.",
"maxLength": 80,
"type": "string"
},
"lat": {
"description": "Latitude in decimal degrees. Used together with lng.",
"maximum": 90,
"minimum": -90,
"type": "number"
},
"limit": {
"default": 10,
"description": "Results per page (maximum 25).",
"maximum": 25,
"minimum": 1,
"type": "integer"
},
"lng": {
"description": "Longitude in decimal degrees. Used together with lat.",
"maximum": 180,
"minimum": -180,
"type": "number"
},
"max_years": {
"description": "Maximum years of experience the practice states.",
"maximum": 80,
"minimum": 0,
"type": "integer"
},
"min_papers": {
"description": "Minimum number of listed papers.",
"maximum": 500,
"minimum": 1,
"type": "integer"
},
"min_years": {
"description": "Minimum years of experience the practice states.",
"maximum": 80,
"minimum": 0,
"type": "integer"
},
"named_board_only": {
"description": "true keeps only certifications that name a board, such as the American Board of Internal Medicine.",
"enum": [
"true",
"false"
],
"type": "string"
},
"npi": {
"description": "10-digit National Provider Identifier (checked with the Luhn formula).",
"maxLength": 10,
"pattern": "^\\d{10}$",
"type": "string"
},
"program": {
"description": "Residency, fellowship or internship program or institution, for example Mayo Clinic, Cedars-Sinai.",
"maxLength": 80,
"type": "string"
},
"publication_topic": {
"description": "Words from a paper title, for example hypertension, melanoma, sleep.",
"maxLength": 80,
"type": "string"
},
"radius_miles": {
"default": 25,
"description": "Search radius in miles (maximum 100). Used with a location.",
"maximum": 100,
"minimum": 0,
"type": "number"
},
"relationship": {
"default": "any",
"description": "any (default), privileges_or_staff, trained_at or employed_past.",
"enum": [
"any",
"privileges_or_staff",
"trained_at",
"employed_past"
],
"type": "string"
},
"school": {
"description": "Medical, nursing or PA school, for example Johns Hopkins, Ross University, PCOM, Mayo.",
"maxLength": 80,
"type": "string"
},
"school_type": {
"default": "any",
"description": "medical, osteopathic, nursing, pa_program or any (default).",
"enum": [
"medical",
"osteopathic",
"nursing",
"pa_program",
"any"
],
"type": "string"
},
"specialty": {
"description": "Specialty label or group, for example family-medicine, psychiatry, dermatology, mental-health, womens-health. Matched against the FindMyDirectDoctor directory label.",
"maxLength": 80,
"type": "string"
},
"state": {
"description": "2-letter US state code. With city it names the city's state. On its own it limits results to that state (up to 5 codes separated by commas).",
"maxLength": 14,
"pattern": "^[A-Za-z]{2}(,[A-Za-z]{2}){0,4}$",
"type": "string"
},
"training_stage": {
"default": "any",
"description": "residency, fellowship, internship or any (default); limits where program is looked for.",
"enum": [
"residency",
"fellowship",
"internship",
"any"
],
"type": "string"
},
"verified_only": {
"description": "true keeps only matches whose supporting fact is graded A or B (registry, board, hospital bio, or a second source). Default false.",
"enum": [
"true",
"false"
],
"type": "string"
},
"year_from": {
"description": "Earliest publication year.",
"maximum": 2100,
"minimum": 1950,
"type": "integer"
},
"year_to": {
"description": "Latest publication year.",
"maximum": 2100,
"minimum": 1950,
"type": "integer"
},
"zip": {
"description": "5-digit US ZIP code. A location is zip, or lat with lng, or city with state.",
"maxLength": 5,
"pattern": "^\\d{5}$",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"count": {
"type": "integer"
},
"coverage_note": {
"type": "string"
},
"data_as_of": {
"type": "string"
},
"disclaimer": {
"type": "string"
},
"matches": {
"type": "array"
},
"next_cursor": {
"type": [
"string",
"null"
]
},
"query": {
"description": "The filters as understood, with any notes.",
"type": "object"
},
"results": {
"items": {
"description": "One clinician. Fields not stated by the practice are null or absent.",
"type": "object"
},
"type": "array"
},
"returned": {
"type": "integer"
},
"source": {
"type": "string"
},
"statement_basis": {
"description": "Facts are what the practice states on its own site, with a source grade.",
"type": "string"
},
"total_matches": {
"type": "integer"
}
},
"required": [
"total_matches",
"results",
"data_as_of"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793129241/bazaar-icons/e5667360930b8563.png",
"lastUpdated": "2026-10-28T00:20:11.475Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-28T00:20:11.315Z"
},
"resource": "https://api.findmydirectdoctor.com/v1/doctors/background",
"serviceName": "FindMyDirectDoctor Directory API",
"tags": [
"healthcare",
"doctors",
"direct-primary-care",
"dpc",
"concierge-medicine"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Credentials search: find doctors by board certification, medical school, residency or fellowship program, hospital affiliation, publications (topic, journal, years), awards, academic title and institution, or years of experience. Results show the matching training, boards and papers with source grades. Only what the practice or the publisher lists, so many doctors list none. Needs a location or state, or an NPI."
}What the leaf hashes
{"body":"0c3cf8c3537c5ec86f9f11aa11ea3563a8eb85cd2968cd4c0d835bf71630613e","id":751132,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178704885372,"prev":null,"subject":"x402_bazaar:https://api.findmydirectdoctor.com/v1/doctors/background","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (231336 rows).
- 0x57231fbb4b30672ea8d2a74ba655fb36997ee66c49f958c2340218a3cfe8c1de
- 0x01531dd823de866a4f25d2c11b2e1c293180d7645517ec8325910b22653a3c8d
- 0x7114adb4bd80f15cfd70d0019dec0831c62f706457ef89d9b95a30299aa9dee8
- 0xd06cbf2a4e5c831dc7e816887727a062a145a4be31d94c5a93f68a9b76eb112b
- 0x0a736538a8f109a89d169f3dbe68998c459525f922bd368f785764567747c716
- 0xe8c36da701ed73e25266946e54ab0ed6c7ec975c9c88a47f5085945b0593876e
- 0xd6375f81465469dd1c6adb11e61ec73c7643ae83a2f6c495571530f29c541a7e
- 0xd7479a4eee609d1901d52e2b44508a8fbb00532be386821dfd014d562f72d4f2
- 0x699b96effb3f8671f03a192fbb13d21d633d6b96bcde850b417e3deab11b8daa
- 0x684caad38a92baf84e075b4e450b385e8cd88dde7834fb778fca1b8cf4966e7c
- 0xb439aaec257498778a541f87dad54cbb3c746b8e340a45cc55fa93c180e83226
- 0x29c0b86202f725ac4ebf7c0aa4be205eb15acbd8438a1fa98dabf039c03d8423
- 0x747b66449975a0df45651472f6b4ec3add89070bb7da2008f4c0fd91a8f59b2c
- 0x4a3671cf60fc2b873faa04c5863043b075336ef59080ef23af50811e899402d0
- 0xd12637e9c035a4c3a66d0f0436dfc7bf3f13da4d17ea045b647d9e9beef1ef11
- 0xa99a40fe210d675bb6ab72d4bb72ab40eb44ac345773c457fbe58e67a47b03df
- 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
- 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f
- Day root
- 0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
- Chained
- 0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
- Published
- On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae