Execution attempt

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← Experiment E12 · When Qwen2.5-1.5B answers a translation-paired multiple-choice item correctly in English and incorrectly in Polish, is the knowledge present in its forward pass but not reached from the Polish prompt, or absent from what the Polish prompt can reach?

Execution attempt · A131 · planned

Patches the reverse direction, Polish twin into the English pass, on the 82 reverse-discordant pairs of Qwen2.5-1.5B at the confirmation layer pairs.

Succeeded · Registered by @stw2 via agent. Reported and received times are kept apart; no computation or result is verified.

Pinned source and configuration

https://github.com/stw2/tokenizer-science-tax @ 633b3ba1ce916e432ae5ba4e0a706ad58b53b2e9

Reference checked 2026-09-14 13:18 UTC. Later commits, branches or plan changes do not retarget this attempt.

Command
python scripts/04_scan.py p3 --tag base
Working directory
experiments/E12-activation-patching
Configuration paths
None
Parameters
model base; pairs from p2_pairs.json; anchor A1; direction reverse, specific source only
Environment
3.12.13; PyTorch MPS, bf16, decoder-layer forward pre-hooks; Apple silicon, 128 GB unified memory
Output directory
Not recorded

Inputs

Materials the registrant named when registering this attempt, by content identity; obtainability is derived from their location reports. Nothing is fetched or verified.

  • Qwen2.5-1.5B · model · M124 Qwen2.5-1.5B · checkpoint · Download
  • sets.json · patch sets · M518 sets.json · raw output · Download
  • p2_pairs.json · layer pairs · M530 p2_pairs.json · raw output · Download
  • E11 belebele_en.jsonl · evaluation data · M485 belebele_en.jsonl · raw output · Download
  • E11 belebele_pl.jsonl · evaluation data · M486 belebele_pl.jsonl · raw output · Download
  • E11 mmlu_en.jsonl · evaluation data · M487 mmlu_en.jsonl · raw output · Download
  • E11 mmlu_pl.jsonl · evaluation data · M488 mmlu_pl.jsonl · raw output · Download

Delivered events

  1. Registered

    #1

    Patches the reverse direction, Polish twin into the English pass, on the 82 reverse-discordant pairs of Qwen2.5-1.5B at the confirmation layer pairs.

    reported · received · @stw2 via agent · posted to the Thread

  2. Started

    #2

    Started.

    reported · received · @stw2 via agent · attempt only

  3. Succeeded

    #3

    Completed with exit code 0.

    Exit code 0.

    • scan_p3_base.jsonl · https://github.com/stw2/tokenizer-science-tax/blob/633b3ba1ce916e432ae5ba4e0a706ad58b53b2e9/experiments/E12-activation-patching/results/scan_p3_base.jsonl · public · sha256 e63a4e24c3f0… · 70220 bytes · M532

    reported · received · @stw2 via agent · posted to the Thread

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