# Attribution and distribution

Self-authored orchestration/audit code: AI Research Lab contributors, 2026, Apache-2.0 (LICENSE).
BEIR authors Nandan Thakur, Nils Reimers, Andreas Rücklé, Abhishek Srivastava, Iryna Gurevych; Apache-2.0. Complete source obtained by pinned downloader, not distributed here.
Sentence Transformers / MiniLM official model: Apache-2.0; installed pinned runtime and hash-locked downloaded model files, no weights distributed.
Pyserini, Castorini contributors: two complete byte-identical files in vendor plus their Apache-2.0 licence. Their original headers retained. This is Castorini's official RRF implementation, not claimed to be the 2009 paper authors' own source.
Elasticsearch7.17.9 distribution: Elastic License2.0; source headers dual ELv2/SSPL. Download only; do not relabel Apache. Licence in licenses.
NFCorpus: Vera Boteva, Demian Gholipour, Artem Sokolov, Stefan Riezler, ECIR2016. Terms: https://www.cl.uni-heidelberg.de/statnlpgroup/nfcorpus/ academic use, consult authors for other use. Dataset raw queries/documents/qrels omitted from package. Generated rankings, IDs and metrics are experiment outputs, not new relevance annotations.
SciFact source-domain metrics: Wadden et al. EMNLP2020; prior public084 run, provenance file included; original licence retained. No original corpus redistributed.