Inventory observations JSON
Complete retained 2019–2024 weekly observations with series identity, source and retrieval time.
Downloads / Edition 01
Reproduce the study. Retain the context.
Open data extracts, exact calculations and practical research records. No registration or API key is needed.
The complete reproduction kit.
One archive contains data, provenance, code, a replay script, frozen outputs and a dossier template.
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Inventory observations CSV
The same observations in a flat table, retaining units and provenance.
Corn forecast vintages
Transcribed USDA May and August 2024 values for the same 2024/25 U.S. corn marketing year.
Source provenance record
Original source identities, retrieval receipts, file hashes and usage conditions.
Frozen calculation results
Crude 2020, gas 2024 and the synthetic carry example, generated by the released engine.
Calculation module
Dependency-free JavaScript functions used in the browser and the reproduction example.
Node reproduction script
Save beside the module and inventory JSON, then run node reproduce.mjs. Historical calculations only; no network call.
Research dossier template
A blank evidence record for units, rights, revisions, denominators and implementation constraints.
Source inventory
A dated list of the edition’s supporting references.
Three files, one replay.
Save inventories.json, commodity.mjs and reproduce.mjs in one folder. With Node.js 18 or later, run node reproduce.mjs. The output reproduces the three matching entries in reference-calculations.json. No API access, credentials or live market data are involved.
The publication’s original code and templates may be reused with attribution. Government-source extracts retain their stated provenance and reuse basis. Third-party data, logos and linked publications do not acquire a new licence through this download page.
Read the source and rights record