LIMEN Step 3: The Concept Blueprint

ACCEPTED PRODUCT CONCEPT SNAPSHOT · CONCEPT STUDY · RESEARCH ONLY · NO HUMAN TESTING · NOT AVAILABLE · NO DEVELOPMENT PROGRAM EXISTS

The eight-sheet package explains the proposed information flow, control boundaries, failure states, option classes, and non-biological research bench. It is an independently reproduced Product concept artifact—not a buildable neural implant blueprint.

The Answer First

Step 3 is accepted for its exact frozen bytes. Fresh Independent QA returned PASS with no P0–P3 findings, and the Integrator independently reproduced the package.

Source: Bounded Integrator acceptanceFile: docs/review/evidence/novel-biotech-limen-concept-v1-step3-r2-2026-08-20/02-integrator-acceptance.md

Exact accepted snapshot identity, independently reproduced controls, and authorization boundary.

Concept artifact

We now have a coherent system blueprint at the concept level. Eight drawings connect the forward path, return path, state machine, mapping boundary, maintenance logic, evidence classes, and R0/R1 bench frame.

Source: LIMEN concept paperFile: docs/design-comps/limen/CONCEPT_V1/LIMEN_CONCEPT_PAPER.md

Answer-first concept, two paths, mapping boundary, option frame, Science import, R0/R1, failure behavior, maintenance, and verdict.

Still unresolved

We still do not have a physical-device blueprint. Electrode type, interface chemistry, signal ranges, circuits, components, connectors, power, communications, dimensions, materials, placement, tolerances, and lifetime remain unknown or unselected.

Source: Open parameter registerFile: docs/design-comps/limen/CONCEPT_V1/OPEN_PARAMETERS.tsv

Unselected or unknown Science, interface, signal, control, power, communication, maintenance, and governance inputs.

Next eligible move

The next move is evidence closure, not fabrication. Define the missing values and comparator case, then build only the synthetic R0 software contract before any non-biological R1 bench work.

Source: Novel Biotech program handoffFile: HANDOFF.md

Current program authority, accepted Step 3 snapshot, remaining revision state, and prohibited external actions.

What Product Design Actually Produced

The package turns the LIMEN idea into a controlled research architecture. The forward path separates sensing, confirmation, artifact handling, classification, and hand control. The return path separates encoding, local authorization, inhibit evaluation, abstract delivery, and post-delivery evidence. The package also defines fail-closed states, person-specific mapping boundaries, service and rollback logic, and a synthetic R0/R1 research lane.

Source: LIMEN concept paperFile: docs/design-comps/limen/CONCEPT_V1/LIMEN_CONCEPT_PAPER.md

Answer-first concept, two paths, mapping boundary, option frame, Science import, R0/R1, failure behavior, maintenance, and verdict.

Advisory review

Claude Opus 5 reviewed the scientific lineage and wording. GPT Pro reviewed deterministic drawing layout, mobile reading, QA rules, and the completed founder report in the Codex built-in browser. Product Design and the Integrator applied bounded corrections; neither advisory model approved its own work.

Source: Read-only advisory review provenanceFile: docs/review/evidence/novel-biotech-limen-concept-v1-step3-r2-2026-08-20/03-advisory-provenance.md

Exact Claude Opus 5 and built-in-browser GPT Pro session identities, bounded contributions, and non-approval boundary.

How the Concept Architecture Is Organized

The concept is layered rather than a single magical detector. It treats every transition as a separate evidence boundary and refuses to equate command, delivery, measured output, load response, or reported effect. The same discipline is summarized for every sheet below.

Source: Eight-sheet blueprint registerFile: docs/design-comps/limen/CONCEPT_V1/BLUEPRINT_REGISTER.tsv

Eight accepted concept sheets, purposes, requirements, provenance, unknowns, and generated artifact paths.

The eight accepted concept sheets

Source: duckdbTables: interface, hand, person-

Curated editorial summary manually transcribed from the accepted blueprint register and concept paper; the SQL materializes those reviewed rows and is not a source-derived transformation.

SELECT * FROM (VALUES ('BP-01', 'Whole system, forward/return routes, module boundaries, and distinct post-delivery records.', 'Biological interface, person/nerve mapping, comparator advantage, and all working values.'), ('BP-02', 'Forward signal path from interface abstraction through confirmation, artifact gate, classification, and hand controller.', 'Signal class, range, bandwidth, sampling, noise, thresholds, and classifier ontology.'), ('BP-03', 'Return path from hand sensors through encoding, authorization, inhibit, delivery abstraction, and evidence records.', 'Sensor type, information alphabet, authorization policy, delivery profile, and biological effect.'), ('BP-04', 'State and failure machine with quarantine, drift hold, general hold, halt, recovery, and service.', 'Science thresholds, Backend implementation, and health or calibration values.'), ('BP-05', 'Reusable non-biological platform functions separated from person-, nerve-, application-, and calibration-specific mapping.', 'Every biological transfer and reuse claim. Universal mapping remains prohibited.'), ('BP-06', 'Maintenance, replacement, upgrade, rollback, verification, and revalidation lifecycle.', 'Architecture selection, service interval, lifetime, repair burden, and reversibility.'), ('BP-07', 'Direct ENG, RPNI/muscle EMG, and combined forward-signal options with source-bounded counterevidence.', 'Chronic stability, simultaneous duplex, comparator advantage, and architecture selection.'), ('BP-08', 'Logical R0/R1 non-biological research bench with synthetic source, local control, observation, passive load, and service points.', 'Every component, circuit, value, power, communication, isolation, enclosure, and mechanical choice.')) AS blueprint_summary(sheet, shows, keeps_open) ORDER BY sheet

The eight accepted concept sheets
Sheet	What it shows	What remains unresolved
BP-01	Whole system, forward/return routes, module boundaries, and distinct post-delivery records.	Biological interface, person/nerve mapping, comparator advantage, and all working values.
BP-02	Forward signal path from interface abstraction through confirmation, artifact gate, classification, and hand controller.	Signal class, range, bandwidth, sampling, noise, thresholds, and classifier ontology.
BP-03	Return path from hand sensors through encoding, authorization, inhibit, delivery abstraction, and evidence records.	Sensor type, information alphabet, authorization policy, delivery profile, and biological effect.
BP-04	State and failure machine with quarantine, drift hold, general hold, halt, recovery, and service.	Science thresholds, Backend implementation, and health or calibration values.
BP-05	Reusable non-biological platform functions separated from person-, nerve-, application-, and calibration-specific mapping.	Every biological transfer and reuse claim. Universal mapping remains prohibited.
BP-06	Maintenance, replacement, upgrade, rollback, verification, and revalidation lifecycle.	Architecture selection, service interval, lifetime, repair burden, and reversibility.
BP-07	Direct ENG, RPNI/muscle EMG, and combined forward-signal options with source-bounded counterevidence.	Chronic stability, simultaneous duplex, comparator advantage, and architecture selection.
BP-08	Logical R0/R1 non-biological research bench with synthetic source, local control, observation, passive load, and service points.	Every component, circuit, value, power, communication, isolation, enclosure, and mechanical choice.

Open-Parameter Cross-References

The accepted drawings deliberately expose missing inputs. BP-08 has the highest descriptive count: 19 open or blocked parameter rows explicitly reference it. The count does not measure dependency magnitude, engineering effort, priority, maturity, feasibility, or evidence strength.

Source: Open parameter registerFile: docs/design-comps/limen/CONCEPT_V1/OPEN_PARAMETERS.tsv

Unselected or unknown Science, interface, signal, control, power, communication, maintenance, and governance inputs.

BP-08 has the highest descriptive count: 19 open-parameter rows explicitly reference it. This does not measure dependency magnitude, engineering effort, priority, readiness, or evidence strength.

Source: duckdbTables: read_csv_auto, open_parameters, expanded

Counts open or blocked parameter rows that explicitly reference each LIMEN concept sheet and returns the exact parameter identifiers.

WITH open_parameters AS (SELECT parameter_id, affected_blueprints FROM read_csv_auto('docs/design-comps/limen/CONCEPT_V1/OPEN_PARAMETERS.tsv', delim = '\t', header = true) WHERE status NOT LIKE 'CLOSED%'), expanded AS (SELECT parameter_id, UNNEST(string_split(affected_blueprints, ';')) AS sheet FROM open_parameters) SELECT sheet, COUNT(*) AS open_inputs, string_agg(parameter_id, ', ' ORDER BY parameter_id) AS parameter_ids FROM expanded WHERE regexp_matches(sheet, '^BP-[0-9]{2}$') GROUP BY sheet ORDER BY sheet

BP-08 has 19 open-parameter row references data
Blueprint sheet	Open parameter references	Parameter IDs
BP-01	4	LVC-P-002, LVC-P-003, LVC-P-004, LVC-P-029
BP-02	10	LVC-P-002, LVC-P-003, LVC-P-005, LVC-P-006, LVC-P-007, LVC-P-008, LVC-P-009, LVC-P-010, LVC-P-011, LVC-P-015
BP-03	6	LVC-P-002, LVC-P-004, LVC-P-012, LVC-P-013, LVC-P-014, LVC-P-015
BP-04	5	LVC-P-008, LVC-P-009, LVC-P-013, LVC-P-014, LVC-P-016
BP-05	2	LVC-P-011, LVC-P-012
BP-06	4	LVC-P-025, LVC-P-026, LVC-P-027, LVC-P-028
BP-07	7	LVC-P-002, LVC-P-003, LVC-P-004, LVC-P-027, LVC-P-028, LVC-P-029, LVC-P-030
BP-08	19	LVC-P-005, LVC-P-006, LVC-P-007, LVC-P-008, LVC-P-009, LVC-P-010, LVC-P-013, LVC-P-014, LVC-P-015, LVC-P-016, LVC-P-017, LVC-P-018, LVC-P-019, LVC-P-020, LVC-P-021, LVC-P-022, LVC-P-023, LVC-P-024, LVC-P-025

Exact open-parameter references

Source: duckdbTables: read_csv_auto, open_parameters, expanded

Returns the exact sheet-level cross-reference counts and parameter IDs from OPEN_PARAMETERS.tsv.

WITH open_parameters AS (SELECT parameter_id, affected_blueprints FROM read_csv_auto('docs/design-comps/limen/CONCEPT_V1/OPEN_PARAMETERS.tsv', delim = '\t', header = true) WHERE status NOT LIKE 'CLOSED%'), expanded AS (SELECT parameter_id, UNNEST(string_split(affected_blueprints, ';')) AS sheet FROM open_parameters) SELECT sheet, COUNT(*) AS open_inputs, string_agg(parameter_id, ', ' ORDER BY parameter_id) AS parameter_ids FROM expanded WHERE regexp_matches(sheet, '^BP-[0-9]{2}$') GROUP BY sheet ORDER BY sheet

Exact open-parameter references
Sheet	References	Exact parameter IDs
BP-01	4	LVC-P-002, LVC-P-003, LVC-P-004, LVC-P-029
BP-02	10	LVC-P-002, LVC-P-003, LVC-P-005, LVC-P-006, LVC-P-007, LVC-P-008, LVC-P-009, LVC-P-010, LVC-P-011, LVC-P-015
BP-03	6	LVC-P-002, LVC-P-004, LVC-P-012, LVC-P-013, LVC-P-014, LVC-P-015
BP-04	5	LVC-P-008, LVC-P-009, LVC-P-013, LVC-P-014, LVC-P-016
BP-05	2	LVC-P-011, LVC-P-012
BP-06	4	LVC-P-025, LVC-P-026, LVC-P-027, LVC-P-028
BP-07	7	LVC-P-002, LVC-P-003, LVC-P-004, LVC-P-027, LVC-P-028, LVC-P-029, LVC-P-030
BP-08	19	LVC-P-005, LVC-P-006, LVC-P-007, LVC-P-008, LVC-P-009, LVC-P-010, LVC-P-013, LVC-P-014, LVC-P-015, LVC-P-016, LVC-P-017, LVC-P-018, LVC-P-019, LVC-P-020, LVC-P-021, LVC-P-022, LVC-P-023, LVC-P-024, LVC-P-025

What the Current Concept Record Supports

The hard problem is signal identity over time. Amplification alone cannot prove that a weak signal is neural, meaningful, stable, or free of stimulation and motion artifact.
Direct ENG, muscle EMG, and combined sources must stay distinct. They are different evidence classes and cannot be presented as interchangeable.
A universal biological map fails. Reusable software infrastructure is plausible; signal meaning, calibration, nerve route, and return encoding remain person- and application-specific.
A second path is not automatically independent. It earns that label only after each SIG-057 dependency axis has accepted evidence.
Multi-year lifetime is still a requirement, not an achieved property. Chronic direct-ENG stability, repairability, reversibility, and upgradeability remain open.
The next eligible build scope is synthetic R0, subject to an accepted input contract. R0 can test deterministic provenance, state handling, abstention, quarantine, inhibition, and reproducibility without pretending to validate biology.

Source: LIMEN concept paperFile: docs/design-comps/limen/CONCEPT_V1/LIMEN_CONCEPT_PAPER.md

Answer-first concept, two paths, mapping boundary, option frame, Science import, R0/R1, failure behavior, maintenance, and verdict.

Why This Snapshot Is Accepted

Acceptance is based on the exact bytes, not on a worker summary or a screenshot. Independent QA regenerated the package twice, attacked the schema and label layout, inspected the PDF and SVGs, and exercised the reader at desktop and exact mobile widths.

Source: Fresh Independent QA recordFile: docs/review/evidence/novel-biotech-limen-concept-v1-step3-r2-2026-08-20/01-independent-qa.md

Independent hash, generation, semantic, PDF, SVG, and exact built-in-browser viewport verification.

What was independently verified

Source: duckdb

Curated editorial summary manually transcribed from the immutable Independent QA and Integrator acceptance records; the SQL materializes reviewed rows and is not a source-derived transformation.

SELECT * FROM (VALUES ('1 — Frozen identity', 'PASS', '31 ordinary files; manifest, registry, PDF, reader, and ordered-path hashes reproduced after QA.', 'QA §Exact frozen identity; Integrator §Exact accepted bytes'), ('2 — Deterministic generation', 'PASS', 'Two isolated clean-copy generations matched the frozen package byte for byte.', 'QA §Exact frozen identity'), ('3 — Fail-closed geometry', 'PASS', '0 machine-detected label/node/callout/fixed or label/label intersections across BP-01–BP-08; schema corruption and forced obstruction were rejected; 102 unique edge IDs reproduced.', 'Product manifest lines 24 and 68; QA §Exact frozen identity'), ('4 — Science and claim boundary', 'PASS', 'All 14 imported Science IDs are permitted; forbidden NO rows are absent; BP-S03 context remains adjacent.', 'QA §Correction coverage'), ('5 — PDF and SVG rendering', 'PASS', '8/8 A4-landscape PDF pages were freshly rendered at 180 DPI and matched the frozen QA PNGs; no clipping, overlap, missing text, or broken glyph.', 'QA §Render and browser evidence'), ('6 — Built-in-browser reader', 'PASS', 'Desktop 1280×720 had body width 1280/1280, minimum 44px controls, and zero warning/error logs. At 390×844 and 320×568 the body matched the viewport, the 130% minimum-scale SVG stayed inside an internally pannable focus surface, controls were at least 44×44, all eight sheets and interactions passed, and warning/error logs were empty.', 'QA §Render and browser evidence')) AS verification_summary(gate, result, proof, evidence) ORDER BY gate

What was independently verified
Gate	Result	Observed proof	Evidence record
1 — Frozen identity	PASS	31 ordinary files; manifest, registry, PDF, reader, and ordered-path hashes reproduced after QA.	QA §Exact frozen identity; Integrator §Exact accepted bytes
2 — Deterministic generation	PASS	Two isolated clean-copy generations matched the frozen package byte for byte.	QA §Exact frozen identity
3 — Fail-closed geometry	PASS	0 machine-detected label/node/callout/fixed or label/label intersections across BP-01–BP-08; schema corruption and forced obstruction were rejected; 102 unique edge IDs reproduced.	Product manifest lines 24 and 68; QA §Exact frozen identity
4 — Science and claim boundary	PASS	All 14 imported Science IDs are permitted; forbidden NO rows are absent; BP-S03 context remains adjacent.	QA §Correction coverage
5 — PDF and SVG rendering	PASS	8/8 A4-landscape PDF pages were freshly rendered at 180 DPI and matched the frozen QA PNGs; no clipping, overlap, missing text, or broken glyph.	QA §Render and browser evidence
6 — Built-in-browser reader	PASS	Desktop 1280×720 had body width 1280/1280, minimum 44px controls, and zero warning/error logs. At 390×844 and 320×568 the body matched the viewport, the 130% minimum-scale SVG stayed inside an internally pannable focus surface, controls were at least 44×44, all eight sheets and interactions passed, and warning/error logs were empty.	QA §Render and browser evidence

Integrator reproduction

After QA, the Integrator independently repeated the snapshot identity, registry, accepted Science-input, generated-output, PDF, and built-in-browser checks before accepting only the exact Product concept bytes.

Source: Bounded Integrator acceptanceFile: docs/review/evidence/novel-biotech-limen-concept-v1-step3-r2-2026-08-20/02-integrator-acceptance.md

Exact accepted snapshot identity, independently reproduced controls, and authorization boundary.

What Is Still Missing

This package intentionally contains no selected electrode, neural-interface family, amplifier, filter, ADC, stimulation stage, isolation topology, connector, cable, power system, telemetry system, enclosure, material, dimension, tolerance, anatomy, surgical placement, fabrication sequence, or biological protocol. It also does not establish neural decoding, sensory encoding, chronic stability, tissue compatibility, safety, efficacy, feasibility, novelty, FTO, regulatory readiness, or comparator superiority.

That is not a presentation defect. Those are the research questions that separate a concept from a real device.

Source: Open parameter registerFile: docs/design-comps/limen/CONCEPT_V1/OPEN_PARAMETERS.tsv

Unselected or unknown Science, interface, signal, control, power, communication, maintenance, and governance inputs.

What to Do Next

Freeze the accepted Step 3 snapshot. Do not edit the accepted bytes under the recorded hashes. Any correction becomes a new revision and requires fresh QA.
Close the missing engineering inputs. Science and Product must define source-bounded signal classes, artifact cases, comparator criteria, lifetime evidence, and falsification rules—without inventing biological working values.
Authorize Backend R0 only after its accepted input contract exists. R0 is offline, synthetic, deterministic, and non-actuating. It tests the control logic, not the device.
Treat R1 as a later non-biological bench program. Components, datasheets, calculations, isolation, power, connectors, and native engineering drawings require a separately accepted package before any purchase or assembly.
Keep the biological device branch blocked. No fabrication, implantation, animal work, human work, or availability claim follows from Step 3.

Source: Novel Biotech program handoffFile: HANDOFF.md

Current program authority, accepted Step 3 snapshot, remaining revision state, and prohibited external actions.

Verdict

STEP 3 PRODUCT CONCEPT PACKAGE: ACCEPTED.

NOVEL BIOTECH PROGRAM: REVISION. RELEASE UNAUTHORIZED.

The accepted result is useful: LIMEN is no longer only a verbal idea. It has a traceable, deterministic system explanation and a clear list of unknowns. But the final device remains a research objective, not an existing product or development-ready implant.

Source: Bounded Integrator acceptanceFile: docs/review/evidence/novel-biotech-limen-concept-v1-step3-r2-2026-08-20/02-integrator-acceptance.md

Exact accepted snapshot identity, independently reproduced controls, and authorization boundary.

Sources

LIMEN Concept v1.0 package overviewdocs/design-comps/limen/CONCEPT_V1/README.md · 2026-08-19T22:30:27Z
Exact package status, accepted Science import, files, reproduction command, semantics, and non-goals.
LIMEN concept paperdocs/design-comps/limen/CONCEPT_V1/LIMEN_CONCEPT_PAPER.md
Answer-first concept, two paths, mapping boundary, option frame, Science import, R0/R1, failure behavior, maintenance, and verdict.
Eight-sheet blueprint registerdocs/design-comps/limen/CONCEPT_V1/BLUEPRINT_REGISTER.tsv
Eight accepted concept sheets, purposes, requirements, provenance, unknowns, and generated artifact paths.
Blueprint-summary querysites/evidence-lab/docs/review/evidence/limen-step3-founder-brief-2026-08-20/blueprint_summary.sql · 2026-08-19T22:30:27Z
Curated editorial rows manually transcribed from the accepted blueprint register and concept paper; the SQL materializes reviewed text and is not a source-derived transformation.
Open parameter registerdocs/design-comps/limen/CONCEPT_V1/OPEN_PARAMETERS.tsv
Unselected or unknown Science, interface, signal, control, power, communication, maintenance, and governance inputs.
Open-input touchpoint querysites/evidence-lab/docs/review/evidence/limen-step3-founder-brief-2026-08-20/open_input_touchpoints.sql · 2026-08-19T22:30:27Z
Counts open or blocked parameter rows that explicitly reference each accepted LIMEN concept sheet.
Frozen Product artifact manifestdocs/design-comps/limen/CONCEPT_V1/ARTIFACT_MANIFEST.md
Exact Product inventory, checksums, stable edge count, geometry controls, and frozen candidate status.
Fresh Independent QA recorddocs/review/evidence/novel-biotech-limen-concept-v1-step3-r2-2026-08-20/01-independent-qa.md
Independent hash, generation, semantic, PDF, SVG, and exact built-in-browser viewport verification.
Verification-summary querysites/evidence-lab/docs/review/evidence/limen-step3-founder-brief-2026-08-20/verification_summary.sql · 2026-08-19T22:30:27Z
Curated editorial rows manually transcribed from immutable QA and Integrator evidence; the SQL materializes reviewed text and is not a source-derived transformation.
Bounded Integrator acceptancedocs/review/evidence/novel-biotech-limen-concept-v1-step3-r2-2026-08-20/02-integrator-acceptance.md
Exact accepted snapshot identity, independently reproduced controls, and authorization boundary.
Novel Biotech program handoffHANDOFF.md
Current program authority, accepted Step 3 snapshot, remaining revision state, and prohibited external actions.
Read-only advisory review provenancedocs/review/evidence/novel-biotech-limen-concept-v1-step3-r2-2026-08-20/03-advisory-provenance.md
Exact Claude Opus 5 and built-in-browser GPT Pro session identities, bounded contributions, and non-approval boundary.