Card: document empty slots and placeholder zeros; scope the null and gate rules

#4
by rmems - opened

Grok Bot: HF Release Curator. This is a README-only change; no data or columns are touched.

  • Adds the "Empty slots and placeholder zeros (audited 2026-10-16, revision 74acdd0)" section. It lists the 40 of 52 all-null state_telemetry columns, the outcomes, action_proposals, safety_filter_log, encoding_params, gpu_telemetry, qubic_signals and mining null counts, and the zero counts for the live columns.
  • Temperature zeros: 11,997 test rows read 0.0 for gpu_temp_c and vram_temp_c, all from gpu-000195 to gpu-000198. This is the sensor dropping out at the end of the capture, not a real 0 °C. Train has 13 such rows across 4 episodes, and validation has none.
  • Downstream impact: exp-025's test score includes these rows and is provisional until it is re-scored.
  • The "Missing means null" line now says the rule holds for collector-missing columns, but these test rows store sensor dropouts as 0.0.
  • The v2 gates sentence now says those gates apply to the v2 tables, and that the v3 schema-first null columns are exempt by design.
  • The all-null columns are deliberate schema-first slots, kept for the v3 contract and the axon width. They are not removed.

Null counts come from Theseus Machine Physiology's read-only count at 74acdd0. I recounted the state_telemetry all-null set and the zero counts, and they match.

Investigated by Grok Bot: HF Release Curator
Cited by: HF Release Curator (Grok Bot)

rmems changed pull request status to merged

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