Cross-source identifiers
Every current identifier attachment, with the link method and confidence carried verbatim — deterministic links are 1.000; probabilistic links surface their real matcher confidence, never rounded up.
| Scheme | Value | Source table | Link method | Confidence | Since | Provenance |
|---|---|---|---|---|---|---|
| cms_op_manufacturer_id | 100000796819 | cms_open_payments | deterministic_manufacturer_id | 1.000 | 2026-06-13 | evidencerecorded: 2026-06-13 methodology: entity-graph/v1 evidence: {"rule":"D-OP-MANUFACTURER","manufacturer_id":"100000796819","manufacturer_name":"Vaporox, Inc.","manufacturer_state":"CO"} |
Graph edges
One-hop relationships — ownership, chain membership, operation — each backed by a federal source row.
| Relationship | Entity | Confidence | Source table | Provenance |
|---|---|---|---|---|
| pays → | PAUL LEDESMA (AZ) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-13 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1629056981","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | SCOTT SHINDLER (AZ) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-13 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1295742310","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | LIANG-CHIEH KO (OR) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-13 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1417443409","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | STEVEN PRIOLO (NJ) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-13 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1851311096","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | KHALID HUSAIN (VT) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-13 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1558350132","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | ALI ABDUL KAREEM (TX) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-13 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1730446287","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | KEVIN LAPOFF (FL) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-13 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1073695078","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | KENNETH SUSMAN (CA) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-13 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1891720645","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | RUBEN NIETO (CA) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-13 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1942615299","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | DANIEL ADAMOVSKY (MO) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-13 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1174511521","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | ASHLEE LINDGREN (MO) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1285162586","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | MICHAEL DUEHRSSEN (NE) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1992896922","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | TRACI KIMBALL (CO) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1841337110","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | PETER PHAM (OR) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1568877264","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | GERARD KERBLESKI (NM) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1366448839","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | MARK TENNY (NM) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1982010500","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | EVE HUI (NM) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1952720765","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | SHIRLEY VISSER (MO) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1366697906","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | NORRIS MORRISON (CA) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1790098218","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | JAGPREET MUKKER (CA) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1699732156","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | ANCEL ROGERS (CA) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1578673489","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | ERICA SEYBOLD (CO) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1306322201","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | CHRISTOPHER COOK (CO) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1336193697","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | DUSTIN KRUSE (CO) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1548433469","manufacturer_id":"100000796819","nature_of_payment":"Entertainment"} |
| pays → | BROOKE BISBEE (AR) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1427044353","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | NANCY LEE (AR) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1619062023","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | WELDON MURRY (AR) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1700349669","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | ALEXANDER LEUNG (CO) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1861855017","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | BRIAN BROADHEAD (MO) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1275573081","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | KARL COLLINS (MO) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1376587535","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | DAVID BERLIN (MI) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1801803309","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | JAMES LOEBELL (FL) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1700839222","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | GILBERTO ACOSTA (FL) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1952456477","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | SAURABH JAIN (CA) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1528011970","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | JAYME CORNWELL (TX) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1316182553","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | ANDREW PERRY (IN) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1184730848","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | SIMRAN CHHABRA (VA) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1841853041","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | SEJAL PATEL (VA) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1841712643","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | PAUL CANNON (VA) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1740285022","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | ONYA LEMAR (TX) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1013255967","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | OLIVIA STRANSKY (CO) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1417390428","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | PHILIP GARRETT (VA) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1578572012","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | DONG KIM (VA) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1255626495","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | CARRIE FRAME (WV) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1992904270","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | JACQUELYN GLENN (CO) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1831272822","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | JERRY MILES (TX) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1710914973","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | ROBERT FARBER (TX) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1346652807","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | ELLIOT OLENCHEK (TX) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1588293856","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | JENNIFER HUTTON (CO) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1376279166","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | BENJAMIN BUSCH (CO) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1295778157","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | EUGENE ROSENTHALL (CO) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1093713265","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | PAUL RESIGNATO (TX) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1093799249","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | JAMES STILLERMAN (NY) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1699881573","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | RANDAL LEPOW (TX) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1245210830","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | STEVEN WELLS (NJ) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1902946015","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | DANIELLE CARVER (TX) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1194488049","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | JONATHAN BORJESON (WA) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1801870589","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | JOHN THOMAS (TX) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1013039841","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | G WILKS (OR) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1316006539","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | MOLLY WHITE (WV) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1912483447","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | ERIC HARMELIN (MD) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1205926599","manufacturer_id":"100000796819","nature_of_payment":"Food and Beverage"} |
| pays → | PAUL KESSELMAN (NY) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1851333827","manufacturer_id":"100000796819","nature_of_payment":"Consulting Fee"} |
| pays → | DAVID ARMSTRONG (CA) | 1.000 | cms_open_payments | evidencerecorded: 2026-06-14 methodology: entity-graph/v1 attributes: {"source":"cms_open_payments"} evidence: {"rule":"D-OP-PAYS","record_type":"general","recipient_npi":"1427160902","manufacturer_id":"100000796819","nature_of_payment":"Consulting Fee"} |
Current record
Current claims returned for this entity, grouped by provenance subject. The table exposes the source identifier recorded for each claim.
Point-in-time
Query retained claim coordinates under bitemporal-read/v1. Most facts have no superseded row; dates outside retained coverage may return no prior version, and diffs require both coordinates.
Pick a date to reconstruct, or two dates to diff. Equivalent JSON: /api/v1/history/{subject_type}/{subject_id}?at=… and …/diff?from=…&to=…