# Source provenance

Retrieval date: 2026-08-10 (initial workflow launch; per-file timestamps are in chunk state).

## OpenBMI MI

- Source: NEMAR published BIDS distribution
- Dataset ID/version: `nm000338` / `v1.0.1`
- Upstream manifest: `https://data.nemar.org/nm000338/v1.0.1/manifest.json`
- NEMAR DOI: `10.82901/nemar.nm000338`
- Original DOI: `10.5524/100542`
- Derivative status: published NEMAR BIDS distribution derived from the GigaDB OpenBMI release; not represented as untouched GigaDB raw.
- Known format/processing: NEMAR-published BIDS organisation/format conversion. Any additional upstream processing is retained in the mirrored NEMAR sidecars and README files; this mirror performs none.

## OpenBMI ERP/P300

- Source: NEMAR published BIDS distribution
- Dataset ID/version: `nm000323` / `v1.0.1`
- Upstream manifest: `https://data.nemar.org/nm000323/v1.0.1/manifest.json`
- NEMAR DOI: `10.82901/nemar.nm000323`
- Original DOI: `10.5524/100542`
- Derivative status: published NEMAR BIDS distribution derived from the GigaDB OpenBMI release; not represented as untouched GigaDB raw.
- Known format/processing: NEMAR-published BIDS organisation/format conversion. Any additional upstream processing is retained in the mirrored NEMAR sidecars and README files; this mirror performs none.

## OpenBMI SSVEP

- Source: NEMAR published BIDS distribution
- Dataset ID/version: `nm000273` / `v1.0.2`
- Upstream manifest: `https://data.nemar.org/nm000273/v1.0.2/manifest.json`
- NEMAR DOI: `10.82901/nemar.nm000273.v1.0.2`
- Original DOI: `10.5524/100542`
- Derivative status: published NEMAR BIDS distribution derived from the GigaDB OpenBMI release; not represented as untouched GigaDB raw.
- Known format/processing: NEMAR-published BIDS organisation/format conversion. Any additional upstream processing is retained in the mirrored NEMAR sidecars and README files; this mirror performs none.

## EEGMMIDB

- Source: PhysioNet public distribution
- Dataset ID/version: `eegmmidb` / `1.0.0`
- Upstream checksums: `https://physionet.org/files/eegmmidb/1.0.0/SHA256SUMS.txt`
- DOI: `10.13026/C28G6P`

No signal data are modified. NEMAR OpenBMI files are a BIDS-formatted published distribution derived from GigaDB 100542 and are not represented as the untouched GigaDB archive.