spb/modelmap Public License
Internal cartography of local LLMs on Apple Silicon — registered, gated, negative-first. Public atlas at modelmap.io.
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expA run #2: first positive maps (agreement, arith_valid) + real noise floor
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- v2 promptsets: structure-borne, token-balanced (overlap certificates); capture_pooled returns mean+last-token reps in one pass - Strict twin gate falsified again (word_order twin acc 0.96 — subword statistics); gate retired, differential (real-twin) is the map - agreement: 25/28 signal layers (max dSel +0.379); arith_valid: real 0.86/0.90 vs twin 0.56, strongest last-token; word_order null-dominated - First real noise floor: top-5 replication ~0.54 off ceiling; dataset shift > seed SD on only 3-8/28 layers (registered 1/3 not met) - atlas probes/v2 published (Level 1, per-property verdicts); site charts generalized to any probes entry; home leads with agreement map Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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expA run #1: validity gate FAILED — first atlas entry is a negative result
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- src/modelmap/capture: MLX Tap layer + random-init architecture twin - promptsets v1 (6x240, sha256 manifest) — now the positive-control corpus - Result: ceiling everywhere (acc 1.000); twin ALSO at 1.00 on all 28 layers (max sel 0.56-0.88 vs registered 0.05 gate) — probe map reads tokenizer+architecture prior, zero trained-model signal. Shuffled-label control would not have caught it; only the twin null did. - Published atlas/qwen3-0.6b-4bit/probes/v1 (negative_result=true, Level 1, replication 1.00) via publish.py gate - Doctrine: probe maps only as REAL-TWIN differentials from now on Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>