Conformance
The framework through which software proves that it correctly implements the Foundational Survey Fabric Specification.
Foundational Survey Fabric Conformance defines how an implementation demonstrates compatibility with the governing Specification. It translates Requirements and formal mathematics into observable proof: canonical results, validation behavior, exactness, serialization compatibility, version compatibility, independent reproducibility, failure conditions, and formal declaration.
Conformance does not redefine the Requirements or the Specification. The Requirements establish what must be satisfied. The Specification defines the mathematics that satisfies it. Conformance defines how software proves that it follows that Specification correctly.
Conformance Sections 01–10 define the implementation-proof architecture subordinate to the canonically adopted FSF-SPEC-1.0. The adopted production profile is directly testable for exact coordinates, canonical frame behavior, Point / Segment / SCPE geometry, exact predicates, deterministic normalization, ECEM semantics, and FSF-CJSON-1.0.
Conformance distinguishes mathematical identity, representation identity, format identity, and Specification identity. It may prove lossless, deterministic correspondence among compatible governed representations or versions, but it may not treat representation, format, or Specification metadata as the spatial identity of the canonical object itself.
Conformance Question How does software prove that it correctly implements the Specification?
Conformance Structure
Conformance Classes
Defines capability classes and profiles through which an implementation may claim compatibility while preserving one common canonical truth. The adopted FSF-SPEC-1.0 production profile is testable; reserved capability outside that profile is not silently inferred.
Classes · Scope · Capability · Compatibility →Mandatory Core
Defines the minimum body of canonical behavior an implementation must satisfy before claiming compatibility with the adopted Mandatory Core production profile.
Mandatory Core · Required Behavior · Canonical Truth →Canonical Result Equivalence
Defines the requirement that independent implementations return identical authoritative results for identical canonical inputs wherever the governing Specification defines one exact result.
Equivalence · Reproducibility · Canonical Results →Validation Behavior
Defines deterministic classification of canonical-valid, valid-noncanonical, invalid, and explicitly unsupported behavior across the adopted production profile.
Validation · Normalization · Rejection · Classification →Exactness Requirements
Defines exact canonical equality, exact predicates, no silent snapping, deterministic normalization, precision integrity, ECEM exactness, and canonical-byte exactness for the adopted production profile.
Exactness · Precision · Determinism · No Snapping →Serialization Compatibility
Defines compatibility with the canonical machine-interchange profile, FSF-CJSON-1.0, including deterministic parsing, normalization, serialization, byte identity, and round-trip behavior.
FSF-CJSON-1.0 · Interchange · Parsing · Round-Trip →Version Compatibility
Defines how compatible Specification evolution preserves established CRPC, Point, geometry, predicate, normalization, ECEM, and serialization meaning without moving place, while distinguishing mathematical identity from representation, format, and Specification identity.
Versioning · Compatibility · Continuity · Evolution →Independent Implementation Requirement
Defines the requirement that the adopted FSF production profile be independently implementable, reproducible, and verifiable without proprietary dependency, hidden institutional knowledge, or privileged code.
Independence · Reproducibility · Open Verification →Failure Conditions
Defines executable failure conditions and preserves distinctions among failure, unsupported capability, indeterminate open-gate behavior, Specification ambiguity, and test or fixture defect.
Failure · Unsupported · Ambiguity · Test Defect →Conformance Report / Declaration
Defines the evidence model by which test results, Reference Vectors, exact outputs, failures, independent reproducibility, and claim limitations are preserved and summarized.
Report · Evidence · Declaration · Proof →Together, these ten sections define the proof architecture for Foundational Survey Fabric compatibility: what must be supported, what is mandatory, how authoritative results are compared, how inputs are validated, how exactness is preserved, how canonical interchange and compatible evolution are tested, how independence is demonstrated, what constitutes failure, and how resulting evidence is reported and declared.
The adopted production profile is directly testable for CRPC, the canonical frame, Point / Segment / SCPE geometry, exact predicates, deterministic normalization, ECEM precision semantics, and FSF-CJSON-1.0.
Conformance is subordinate to FSF-SPEC-1.0. It tests only behavior the Specification adopts. Reserved capabilities—such as unrestricted Boolean / composite-result closure—remain outside the current production profile unless later added through governed Specification evolution.
For version and representation compatibility, the governing continuity rule is: Representations may evolve. Canonical place may not drift. Compatible evolution under FSF-SPEC-MAJOR.MINOR must preserve the same normalized mathematical object and established canonical place. An incompatible transition requires a new major version and separate governance.
Architectural Sequence Requirements establishes what must be satisfied. Specification defines the mathematics that satisfies it. Conformance defines how an implementation proves it follows the Specification.
Adopted Proof Surface CRPC · canonical frame · Point · Segment · SCPE · exact predicates · deterministic validation · canonical normalization · ECEM · FSF-CJSON-1.0 · result equivalence · independent reproducibility · explicit failure conditions · evidence and declaration structure.
Production-Profile Boundary Conformance applies only to behavior whose canonical semantics are defined by FSF-SPEC-1.0. Unrestricted Boolean / composite-result closure and other capabilities outside the adopted production profile remain unsupported for canonical Conformance unless later specified through governed evolution.
Conformance Standing The Conformance framework is institutionally established beneath the canonically adopted FSF-SPEC-1.0. Its adopted production profile is executable and independently reproducible. Conformance remains evidence of correct implementation; it does not itself create Specification authority or canonical spatial truth.