Lab program registry · source date 2026-09-01

The dated lab program.

This page shows the model lines and decisions in the public registry snapshot.

Snapshot built 2026-09-24T23:04:50.140Z · freshness stale.

Read the source registry → · Read the public snapshot →

Promoted modelZERO.4 promoted quantity line

Active researchReasoner verified reasoning line

Registry as of2026-09-01

Model lines

Each line keeps its state.

promoted · promoted

ZERO.4 promoted quantity line

Q2.6 passed all three declared seeds. ZERO.4 remains the deployed promoted model and is not the parent checkpoint for the ZERO.5 C line.

frozen · not promoted

ZERO.5 frozen C training line

Dependency-free C11 training at a fixed 4,852,992-parameter base. Its completed and already-started evidence keeps its real chronology, but no new training experiment is active or authorized.

active research · not promoted

Reasoner verified reasoning line

Primary scientific line. External public evidence now includes Reasoner 5.0–5.4, the 5.5 generated-family and engineering comparisons, and 5.6 development failures. The shared research-step report binds current sources and the next fresh-family decision.

Experiment decisions

Scientific outcomes and work states stay separate.

Experiment	Decision	Execution	Disclosure	Lifecycle	Evidence	Local import
ZERO5-C0-CORPUS-TOKENIZER	selected	completed	public	completed	external public	pending import
ZERO5-C1-NATIVE-C-TRAINING	pass	completed	public	completed	external public	pending import
ZERO5-C2-ATLAS-CONTINUATION	pass	completed	public	completed	external public	pending import
ZERO5-C3-EVIDENCE-CURRICULUM	no go	completed	public	completed	external public	pending import
ZERO5-C3.1-RECORD-SAFE-BRAID	no go	completed	public	completed	external public	pending import
ZERO5-C3.2-PAIRED-INVARIANCE	no go	completed	public	completed	external public	pending import
ZERO5-C3.3-PAIR-ATOMIC	no go	completed	public	completed	external public	pending import
ZERO5-C4.2-GROUPED-TRAINING	no go	completed	public	completed	external public	pending import
ZERO5-C4.3-DATA-REPAIR	no go	completed	public	completed	external public	pending import
ZERO5-C5.1-STATEBRIDGE-TEXT	no go	completed	hash only	completed	external private hash	pending import
ZERO5-C5.2-TARGETBRIDGE-AUX	Decision withheld	completed	withheld	withheld	private withheld	withheld
ZERO5-C6.1-SHARED-STATE-BOTTLENECK	Built · execution blocked	blocked	public	blocked	native	not started

Checks and source

The public snapshot shows publisher, file, and ledger check states for each decision. Read each source record for its evidence and limits.

Source commit cd6edb7736d671d50c9bbdd2d3eea999b34aa294 · SHA-256 cf2d7d97362085a07f2d09fbfb66795e1a0f9c4f7e58fbb83d432083d20f6f4b.

Historical experiment pages remain available: EXP-006, EXP-007, and EXP-008.