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stillalive sample 1000 (uniform over 625,217)

1000 chunks drawn uniformly at random, without replacement, from all 625,217 verified chunks merged so far (batches saq_b0001..saq_b0040, partA final). Same schema as the full dataset (audio embedded in the audio struct column).

  • Distinct recordings: 913; audio: 2.01 h
  • Randomness: secrets.SystemRandom().sample (os.urandom CSPRNG, Fisher-Yates). No seed.
  • Audit: sample_manifest.json holds sha256 over the sorted (recording_id, chunk_id) list.
  • Full run (413 batches, 6,436,978 chunks expected) still in progress; this sample covers only batches processed so far.
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