| { |
| "schema_version": "2.3.1", |
| "export_timestamp": "2026-04-11T22:47:02.644641Z", |
| "record_count": 76907, |
| "unique_chemicals": 24746, |
| "unique_species": 2313, |
| "sha256_parquet": "f2655a99c10a5d2f6c5be4e15cb1a5c0c6060f32384bb647ba5767352112ea6a", |
| "sha256_json": "516c567772295178a9f0d23edf408fc8b7ad48b92f8e031df2e6a47488158347", |
| "filenames": { |
| "json": "ethno_dataset_2026_v2.3.1.json", |
| "parquet": "ethno_dataset_2026_v2.3.1.parquet" |
| }, |
| "file_sizes_mb": { |
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| "json": 34.957 |
| }, |
| "columns": [ |
| "chemical", |
| "plant_species", |
| "application", |
| "dosage", |
| "pubmed_mentions_2026", |
| "clinical_trials_count_2026", |
| "chembl_bioactivity_count", |
| "patent_count_since_2020", |
| "pubchem_cid", |
| "canonical_smiles", |
| "compound_type", |
| "patent_count_method" |
| ], |
| "column_count": 12, |
| "changelog": [ |
| { |
| "version": "2.3.1", |
| "date": "2026-04-11", |
| "changes": [ |
| "Added compound_type column: discrete_phytochemical | substance_class | complex_mixture | inorganic_element | generic_ambiguous", |
| "Added patent_count_method column: transparency for query methodology", |
| "patent_count_since_2020 set to NULL for RESIN, RESINS, INCLUDES, and >5000 patent entries without CID anchor (name-based collision confirmed)", |
| "pubchem_cid set to NULL for RESIN/RESINS: previous CID 133110026 was α-Copaene (incorrect mapping)", |
| "canonical_smiles set to NULL for RESIN/RESINS (inherited from incorrect CID)", |
| "Patent-Literature-Gap report revised: 30 → 9 compounds after removing non-discrete entries" |
| ] |
| }, |
| { |
| "version": "2.3.1-patch", |
| "date": "2026-04-11", |
| "changes": [ |
| "N3 forensic validation: 8 gap-compounds reclassified after PubChem CID verification", |
| "SD, ASK, LF, RAA → generic_ambiguous (abbreviations w/ wrong CID mappings, CID/SMILES NULLed)", |
| "OPC → substance_class (Oligomeric Proanthocyanidins, wrong CID NULLed)", |
| "NH3 → inorganic_element (ammonia, CID 222 kept)", |
| "HCN, N-BUTYRALDEHYDE → generic_ambiguous (CID correct, kept)", |
| "Gap-Report: 9 → 1 (only SORBOSE remains as valid gap-compound)" |
| ] |
| } |
| ], |
| "known_limitations": [ |
| "patent_count_since_2020 uses name-based text search (patent_title + patent_abstract), not CID-anchored queries", |
| "Generic compound names (resin, gum, acid) produced inflated patent counts — these are NULL in v2.3.1", |
| "PatentsView API migrated to USPTO ODP (data.uspto.gov) on 2026-03-20; re-enrichment pending API stabilization", |
| "RESIN entries: CID 133110026 (α-Copaene) was incorrect mapping — CID and SMILES set to NULL in v2.3.1", |
| "Inorganic elements (Fe, Zn, Si, etc.) included in source database (Duke); flagged as inorganic_element in compound_type", |
| "Primary metabolites (methanol, ethanol, etc.) included in source database; flagged as generic_ambiguous", |
| "PPM/dosage concentration values not validated in this audit — future scope" |
| ], |
| "field_methodology": { |
| "patent_count_since_2020": { |
| "api": "PatentsView PatentSearch API (Elasticsearch)", |
| "api_status": "Migrated to data.uspto.gov on 2026-03-20", |
| "query_type": "_text_any on patent_title AND patent_abstract", |
| "search_term": "raw compound name (NOT CID-based)", |
| "date_range": "2020-01-01 to enrichment date", |
| "rate_limit": "45 req/min", |
| "known_issue": "Generic names aggregate unrelated patents; affected entries set to NULL in v2.3.1" |
| }, |
| "pubmed_mentions_2026": { |
| "api": "NCBI E-utilities ESearch", |
| "query_type": "exact phrase in Title/Abstract [tiab]", |
| "search_term": "compound name (quoted phrase)", |
| "level": "compound-level (same value for all plant rows of same compound)", |
| "protection": "compounds < 4 characters or in blocklist → 0 (not NULL)" |
| }, |
| "compound_type": { |
| "values": { |
| "discrete_phytochemical": "Not in any exclusion list — individual compound from Duke database", |
| "substance_class": "Broad chemical category (flavonoids, alkaloids, tannins, etc.)", |
| "complex_mixture": "Multi-component mixtures (resin, EO, gum, mucilage, pectin, etc.)", |
| "inorganic_element": "Elemental or inorganic (Fe, Zn, Si, etc.)", |
| "generic_ambiguous": "Generic terms with no specific chemical identity (includes, acids, kilocalories, etc.)" |
| }, |
| "added_version": "v2.3.1" |
| } |
| }, |
| "last_modified": "2026-04-11T23:10:48Z", |
| "size_json": 34957429, |
| "size_parquet": 1269220 |
| } |
