Materialized stratified sample of 500 docs per bin (288K total docs, 539M tokens) drawn from the deduplicated 6T Dolma3 corpus. Seed 42. Matching companion bucket at hf://buckets/HCAI-Lab/dolma3-6t-sample-500-docs.
This dataset was renamed on 2026-05-25 as part of the HCAI-Lab HF naming convention cleanup (PR 3). See docs/HCAI_LAB_NAMING_CONVENTION.md in the project repo for the convention.
