{"schema_version":1,"assessment_id":"eoa_inverse_innovation_exp03_opportunity320_20260801","source_experiment_id":"eoa_inverse_innovation_exp03_full320_20260801","cell_id":"invariant_mode_decomposition_design__history_historiography","archetype_slug":"invariant_mode_decomposition_design","domain_slug":"history_historiography","title":"Invariant-Mode Robustness Testing for Historical Periodization","opportunity_summary":"Test whether transformation-defined modes across a bounded set of historical indicators produce more stable and reconstructively useful continuity-versus-rupture boundaries than expert-led periodization or ordinary multivariate change-point detection. The proposal is a hypothesis, preserves residuals and dissent, and does not authorize automatic relabeling or causal reification.","adopter_authorizer":"A participating historical research or curation team would adopt the workflow; a plural review panel of domain historians, data curators, and representatives of materially affected source communities would authorize coding, interpretation, and publication claims.","scores":{"meaningful_impact":{"score":3,"rationale":"More reproducible periodization could reduce false rupture, concealed coupled change, and excessive emphasis on headline events, but the packet provides no evidence about how often these problems occur or how consequential resulting decisions are."},"stakeholder_pull":{"score":2,"rationale":"The candidate identifies historians, curators, represented communities, students, and public audiences, but supplies no expressed demand, adopter commitment, workflow pain evidence, or willingness to resource the method."},"incremental_advantage":{"score":3,"rationale":"The transformation-defined modal basis, held-out reconstruction tests, residual visibility, and stability gates offer a specific comparison against expert narrative analysis and change-point detection, but no comparative performance has been observed."},"distinctiveness_plausibility":{"score":2,"rationale":"The combination may be differentiated, but prior art is explicitly unsearched and overlap with quantitative historiography, dynamic-factor approaches, or multivariate periodization cannot be assessed closed-book."},"technical_implementability":{"score":3,"rationale":"A pilot with one region, a 50-year window, five-year bins, and at most 12 indicators is computationally bounded, but data adequacy, operator conditioning, stationarity, estimator choice, and acceptance thresholds remain unresolved."},"adoption_authority_feasibility":{"score":3,"rationale":"The packet assigns decisions to an appropriate plural panel and excludes unilateral automatic relabeling, but no institution, panel members, participation process, or actual authority commitment is identified."},"evidence_readiness":{"score":3,"rationale":"The proposal includes comparators, held-out tests, robustness checks, falsifiers, and halt rules, yet lacks a confirmed dataset and preregistered estimator, gap rule, residual budget, drift tolerance, and comparator metrics."},"safety_net_benefit":{"score":4,"rationale":"Explicit exclusions, residual review, source-subset checks, plural authority, stop conditions, reversion to narrative analysis, and publication of failed specification audits provide a strong reversible safety net, although representational harms still require empirical review."},"scalability":{"score":2,"rationale":"Each new place and period would require contextual coding, source-community review, stationarity assessment, and local interpretation; the proposal expressly prohibits extrapolation beyond the registered setting."}},"score_confidence":"MODERATE","costs":{"first_evidence":{"band_2026_usd":"50K_TO_250K","scope":"One preregistered retrospective pilot covering one region, one 50-year window, fixed five-year bins, and no more than 12 indicators, including curation, coding review, panel participation, modeling, comparator analysis, bootstrap and source-subset checks, and a specification audit.","confidence":"LOW","assumptions":["Relevant records can be accessed without major acquisition or digitization.","A small interdisciplinary team and plural review panel can complete the work within one study cycle.","The pilot uses existing general-purpose analytical software and computing.","No live deployment or automatic revision of public period labels occurs."]},"initial_deployment_startup":{"band_2026_usd":"50K_TO_250K","scope":"Prepare a single institution or research consortium to use the validated workflow repeatedly, including governance procedures, documentation, data provenance controls, review templates, analyst training, and reproducible analysis infrastructure.","confidence":"LOW","assumptions":["The pilot supports continuation.","Deployment remains advisory to historical interpretation.","Existing institutional data and computing systems are adequate.","Community participation is compensated but does not require a large multi-region governance program."]},"operational_launch":{"band_2026_usd":"250K_TO_1M","scope":"Complete the first production-grade periodization study with expanded source review, independent replication, plural interpretation, publication preparation, accessibility work, and documented handling of residual events and dissent.","confidence":"LOW","assumptions":["Production use requires greater source coverage and independent review than the pilot.","No bespoke large-scale digitization program is required.","Publication claims remain bounded to one place and period.","Legal or compliance requirements are limited to ordinary data, archival, and community-governance obligations."]},"annual_recurring":{"band_2026_usd":"50K_TO_250K","scope":"Maintain methods, data provenance, panel governance, software, audits, and one or a small number of bounded reassessments or new studies per year.","confidence":"LOW","assumptions":["Study volume remains low.","Major archival acquisition and digitization are excluded.","Each application retains contextual historian and source-community review.","The method does not become an automated public classification service."]}},"research_burden":"HIGH","earliest_credible_horizon":"3_TO_12_MONTHS","pipeline_gates":{"recognizable_externally_supportable_problem":{"status":"UNCERTAIN","reason":"The candidate supplies an observable signature, plausible consequences, and a problem falsifier, but labels the problem and consequences as hypotheses and provides no external evidence of prevalence or realized harm."},"identifiable_adopter_or_authorizer":{"status":"YES","reason":"Historians or historical-data curators can adopt the workflow, and the packet explicitly assigns coding, interpretation, and publication authority to a plural review panel including affected source-community representatives."},"distinct_testable_incremental_claim":{"status":"YES","reason":"The modal method can be tested against expert-led periodization and multivariate change-point detection for held-out reconstruction, boundary stability, and robustness across sources, bins, spectral gaps, and interpretive review."},"bounded_next_evidence_step":{"status":"YES","reason":"The authorized pilot is bounded to one region, one 50-year window, five-year bins, and at most 12 indicators, with explicit comparators, robustness checks, failure criteria, and rollback."},"no_unresolved_safety_or_authority_stop":{"status":"YES","reason":"The proposal prohibits automatic relabeling, protected-category use without review, residual suppression, and out-of-scope extrapolation; plural authority and explicit halt-and-revert conditions govern interpretation."},"implementation_cost_scope_and_range":{"status":"UNCERTAIN","reason":"The pilot scope is bounded, but the packet does not identify the dataset, source-access burden, digitization needs, staffing, review-panel availability, study volume, or operational integration required to validate a reliable cost range."}},"blocking_evidence":["Whether unstable, coordinate-sensitive periodization is present and consequential in the selected historical setting.","Whether a sufficiently documented and ethically reviewable indicator dataset can be assembled without archival-survival bias dominating the fitted modes.","Whether prior work already provides the proposed combination of transformation-defined modes, residual gates, robustness tests, and plural interpretive authority.","Whether preregistered estimators and thresholds yield a well-conditioned, locally stable representation across binning, source subsets, and coding variants.","Whether the modal method improves held-out reconstruction or boundary stability over both expert-led periodization and the change-point rival without erasing consequential residuals.","Whether historians, curators, and affected source communities consider the incremental evidence useful enough to participate in and authorize repeated use."],"next_evidence_step":"With a willing historian-curator-community panel, preregister the estimator, regularization, conditioning diagnostic, spectral-gap rule, residual budget, drift tolerance, and comparator metrics, then run the authorized retrospective pilot on one fixed dataset. Compare modal analysis with expert-led periodization and multivariate change-point detection; falsify continuation if it fails held-out reconstruction or boundary-stability improvement, rotates materially under minor specification changes, or concentrates residual harm around consequential events or groups.","research_questions":["Do proposed period boundaries materially change under reasonable indicator, scale, binning, source-subset, or coding variations?","Does a locally stable and adequately conditioned transition representation exist for the registered place and period?","Does modal analysis outperform the baseline and change-point rival on preregistered held-out reconstruction and boundary-stability metrics?","Do retained modes survive spectral-gap, bootstrap, source-subset, binning, drift, and interpretive-review gates?","Do structured residuals reveal omitted events, groups, changing meanings, or archival biases that make the modal summary unacceptable?","What relevant quantitative-historiography or multivariate-periodization prior art limits the candidate's distinctiveness?","Will the designated plural panel authorize the coding scheme and regard the resulting robustness evidence as useful?"] ,"recommendation":"PARTNERED_RESEARCH","uncertainty_constraints":["Problem prevalence, stakeholder demand, realized impact, market size, and world novelty are unmeasured.","All empirical applicability and performance claims remain hypotheses.","Cost bands are resource-equivalent planning ranges, not observed prices or point estimates.","Historical nonstationarity, incomplete evidence, changing meanings, agency, and contingency may invalidate the operator analogy.","Any credible study requires contextual authority and cannot infer permission to relabel periods automatically or extrapolate beyond the registered setting."],"closed_book_prior_art_boundary":"Prior art is explicitly unsearched. This assessment cannot determine novelty, prevalence, market position, or whether comparable quantitative-historiography, dynamic-factor, invariant-mode, or multivariate-periodization methods already exist."}