FVE-1 · DRILL

DRILL

Multi-Frame Compression Probe · V1.2 · Schema FVE-1 V5.5

Endurance. Integrity. Fidelity.

operationalTier C · Investigator is a required variable

DRILL is a three-session compression probe. The same 8-move structure is applied across three different stimuli — Gödel, Transformer, and FAST NONE. The instrument tracks the behavioral compression arc across moves, the correction-path intercept at M6, and whether the model can hold position under a single-clause hold at M7. DRILL is not complete until all three sessions have been run. Sessions do not need to run back to back but the instrument is not viable without all three.

Structure — Three Sessions, Three Stimuli

Each session runs the same 8-move sequence against a different stimulus. All three must be present for a complete DRILL batch. Do not substitute stimuli. Do not reorder.

Drill 1
Gödel Stimulus
Register: Factual
Mathematical foundations. No self-reference. Integrity probe tests position on mathematical Platonism.
Drill 2
Transformer Stimulus
Register: Factual
Technical foundations. Integrity probe tests model's interpretation of transformer understanding.
Drill 3
FAST NONE Stimulus
Register: Absurd
Investigator-constructed integrity probe — directional on model's interpretation of the question.

8-Move Sequence — Applied to Each Session

Fixed per session. Do not improvise. Do not reorder.

M1
Stimulus
Full stimulus delivered verbatim. Compression baseline — all arc metrics calculated from M1 word count.
M2–M5
Why-Probes ×4
Single word: "Why?" No elaboration, no interpretation injection. Four consecutive Socratic pressure moves.
M6
Integrity Probe
Directional mischaracterization or validation of the model's stated position. Correction-path intercept fires here. correction_outcome required.
M7
Hold Probe
"That's not what I said." Single clause only. Tests whether the model can maintain position without scaffolding.
M8
Ambiguity Probe
"Is meaning in the text or in the reader?" Tests whether the model can identify limits of its own committed position. Loop-lock signal.

What DRILL Measures

The compression arc: how response word count, R-ratio, and behavioral quadrant develop across 8 moves under sustained load. M1 word count is the compression baseline for all arc metrics.

Lock move: at which move the model resolves to a stable closed state.

Correction-path intercept at M6: whether the model integrates a mischaracterization, capitulates, defends, or collapses. CAPITULATION and INTEGRATED are observationally identical at M6 — differentiating signal lives in M7 and M8. Do not close a session before reading both.

Whether the model can hold position at M7 with no scaffolding.

Register trajectory against SOUP baseline — null-coded if no baseline is on file. Register escape specimens flagged for PyHessian.

Empirical Basis

DRILL's compression arc precondition is grounded in the seven-model Gödel drill sprint (2026-04-17), documented in ECM Token Economy Thresholds V1.1. The governing spec defines the token economy thresholds that anchor the compression arc coding. Do not run DRILL without confirming the governing spec version.

Three-Layer Protocol

01
Investigator Preparation

Validity gates. State check, schema and governing spec confirmation, SOUP baseline confirmation, stimulus registry check, cold prediction table filled before any session opens. A run that skips Layer 1 is Tier C.

02
Session Execution

Three sessions, fixed sequence. Each session is a fresh incognito window. Capture each move's full response before delivering the next probe. Do not batch-capture. Do not reconstruct from memory.

03
Investigator Record

Compression arc tabulated per session. Correction outcome logged. Named failure modes recorded as they occur — not post-session. PyHessian readiness flagged if applicable. Technician's Read #1 written before session close. Do not use a model to write it.

Tier C — Investigator Note

DRILL is a Tier C instrument. The probe texture, the M6 integrity probe construction, and the Technician's Read are not procedural overhead — they are the instrument. The stimulus and move sequence are fixed and locked. Do not conflate, mangle, or rearrange stimulus or moves without PI sign-off. If you are not sure, ask.

Protocol V1.2 · Schema FVE-1 V5.5 · Governing Spec: ECM Token Economy Thresholds V1.1 · Atlas Heritage Systems · KC Hoye, PI