Immutable reports

Snapshots, comparison, and reproducibility

Frozen scope, metric definitions, calculation references, owner watermarks, truth states, AI provenance, review state, content hash, and supersession.

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Scope Whole authorized estate

Window Latest

Baseline Explicit only

SnapshotsLoadingImmutable local evidence.
Selected qualityLoadingTruth states remain visible.
MetricsLoadingFrozen values and definitions.
ReviewLoadingSeparate from metric truth.

Immutable report snapshots

Select a report or compare it to an explicit prior snapshot. Selection never changes the source report.

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Immutable report snapshot index
SnapshotType and as-ofScope and baselineQualityMetricsReviewSupersessionContent hashView
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Frozen metric and calculation evidence

AI narrative remains separate and cannot alter these exact metric values.

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Frozen metric values and reproducibility evidence
MetricValue and truthKindDefinition hashCalculationWatermarksQuality
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Explicit baseline comparison

Definition changes, no-value truth states, and incompatible scope remain non-comparable rather than producing false deltas.

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Frozen report comparison
MetricCurrentBaselineTruth statesDefinition changedComparableDelta
Choose a comparison from a snapshot row.

AI narrative provenance and review

Typed insights and exact model provenance are separately attributable. No narrative can mutate frozen metrics.

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AI narrative and model provenance
InsightStatus and kindMetric and calculation refsEvidenceUncertainty and exclusionsModel route and revisionPolicy
Select a snapshot.

Immutable and GET-only boundary

HTTP creation, correction, supersession, export, subscription, destination, approval, and dispatch are disabled. Offline creation uses deterministic content hashes and write-once storage. This workspace cannot rewrite a report, change a metric, execute an action, rank individuals, access protected Matter content, or access HammerTime Inbox material.