kambabench/docs/PROVENANCE.md

Cross-corpus provenance and leakage audit

Status: not yet written — awaiting a real run of dedup_check.py and domain_audit.py against the candidate source corpora (needs an environment with real network access to huggingface.co; see those scripts' docstrings).

This document will hold, once that audit runs:

• the full cross-corpus collision report (text-hash, filename, and targeted audio-hash collisions between DDD-Kenya, Thiomi, FLEURS kam_ke, and Omnilingual),
• for every collision found, the resolution (confirmed duplicate / independently-recorded same sentence / false positive) and which clips were excluded as a result,
• the domain/theme/dialect/speaker distribution audit results for each source corpus, and
• per-clip provenance and provenance_verified values that downstream eval_unscripted.jsonl entries should carry, per SCHEMA.md.