ExtractBuildArtifactsFromResults extracts all the structured signable targets from the given results, only processing the ones marked as build artifacts.

ExtractOCIImagesFromResults returns all the results marked as OCIImage type-hint result.

ExtractSignableTargetFromResults extracts signable targets that aim to generate intoto provenance as materials within TaskRun results and store them as StructuredSignable.

ExtractStructuredTargetFromResults extracts structured signable targets aim to generate intoto provenance as materials within TaskRun results and store them as StructuredSignable.

IsBuildArtifact indicates if a given result was marked as a Build Artifact.

ParseDigest parses the digest string and returns the algorithm and hex section of the digest.

RetrieveMaterialsFromStructuredResults retrieves structured results from Object Results, and convert them into materials.

StructuredSignable contains info for signable targets to become either subjects or materials in intoto Statements.