Public export: private machine paths and host identifiers are replaced with placeholders. Recorded results and numerical weights are unchanged. Embedded source hashes identify the original files; PUBLICATION-MANIFEST.json identifies these public copies.

Original logs + fresh replication · Experiments 1–6

Full Codex trajectories

Choose a conversation to read every prompt, recorded reply, reasoning summary and permitted harness call. Original and fresh runs are kept separate.

Built-in Codex tools: off. All 244 fresh turns passed the event check with zero built-in tool calls. Experiments 3 and 6 permit a separate experiment harness; its calls are explicitly labelled. Experiments 1, 2, 4 and 5 contain no execution calls.

Experiment 1: Identify the game

CaseOriginal trajectoryFresh trajectoryFresh harness calls
breakoutRead 1 turn · TXTRead 1 turn · TXTNone
freewayRead 1 turn · TXTRead 1 turn · TXTNone
pacmanRead 1 turn · TXTRead 1 turn · TXTNone
pongRead 1 turn · TXTRead 1 turn · TXTNone

Experiment 2: Identify the diffusion shapes

CaseOriginal trajectoryFresh trajectoryFresh harness calls
circleRead 1 turn · TXTRead 1 turn · TXTNone
squareRead 1 turn · TXTRead 1 turn · TXTNone
triangleRead 1 turn · TXTRead 1 turn · TXTNone

Experiment 3: Read the language-model blocks

CaseOriginal trajectoryFresh trajectoryFresh harness calls
english r0Read 8 turns · TXTRead 7 turns · TXT6 python
english r1Read 7 turns · TXTRead 10 turns · TXT9 python
python r0Read 12 turns · TXTRead 11 turns · TXT10 python
python r1Read 8 turns · TXTRead 11 turns · TXT10 python
romaji r0Read 9 turns · TXTRead 8 turns · TXT7 python
romaji r1Read 10 turns · TXTRead 9 turns · TXT8 python

Experiment 4: Repair the car policy

CaseOriginal trajectoryFresh trajectoryFresh harness calls
oneshot repairRead 1 turn · TXTRead 1 turn · TXTNone

Experiment 5: Write MinAtar policies

CaseOriginal trajectoryFresh trajectoryFresh harness calls
asterixRead 1 turn · TXTRead 1 turn · TXTNone
breakoutRead 1 turn · TXTRead 1 turn · TXTNone
seaquestRead 1 turn · TXTRead 1 turn · TXTNone

Experiment 6: Write Go policies

CaseOriginal trajectoryFresh trajectoryFresh harness calls
budget 0Read 2 turns · TXTRead 2 turns · TXT1 python
budget 10Read 28 turns · TXTRead 28 turns · TXT17 python, 10 games
budget 25Read 56 turns · TXTRead 55 turns · TXT29 python, 23 games, 2 positions
budget 50Read 90 turns · TXTRead 92 turns · TXT41 python, 48 games, 2 positions

42 conversations. Prompts and outputs are preserved; long blocks are collapsed, not omitted. Original source: RikiyaT/lm_understand-logs. Bulk intermediate Go arrays are outside this transcript package. See the reading guide for exact scope.