{"data":{"slug":"signed-receipt","term":"Signed Receipt","bucket":"buildability","definition":"Any platform receipt with an ed25519 signature and a key id. Verifiable via the public verify-receipt endpoint.","short_definition":"Any platform receipt with an ed25519 signature and a key id. Verifiable via the public verify-receipt endpoint.","long_definition":"Signed Receipt is the trust primitive. It packages a claim with the platform's ed25519 signature, the key id, and the algorithm field. POST it to /api/buildability/verify-receipt and the verifier returns whether the signature is valid and whether the receipt counts as Wave 7 completion. Unsigned and placeholder receipts fail closed at every external gate.","related_terms":["buildability-receipt","verify-receipt","external-gate"],"related_term_routes":[{"slug":"buildability-receipt","term":"Buildability Receipt","route":"/resources/glossary/buildability-receipt"},{"slug":"verify-receipt","term":"Verify Receipt","route":"/resources/glossary/verify-receipt"},{"slug":"external-gate","term":"External Gate","route":"/resources/glossary/external-gate"}],"canonical_route":"/resources/glossary/signed-receipt","api_route":"/api/v1/resources/glossary/signed-receipt","jsonld_id":"https://sciencetostartup.com/resources/glossary/signed-receipt","variants":[],"tldr":"Any platform receipt with an ed25519 signature and a key id. Verifiable via the public verify-receipt endpoint.","key_points":[],"quality_tier":null,"citation_count":null,"source_state":"curated_static","source_module":"apps/web/data/glossary/terms.ts","definition_sections":{"schema_version":1,"intro":"Signed Receipt is the trust primitive. It packages a claim with the platform's ed25519 signature, the key id, and the algorithm field. POST it to /api/buildability/verify-receipt and the verifier returns whether the signature is valid and whether the receipt counts as Wave 7 completion. Unsigned and placeholder receipts fail closed at every external gate.","sections":[{"title":"Definition","items":[{"subtitle":"Signed Receipt","text":"Signed Receipt is the trust primitive. It packages a claim with the platform's ed25519 signature, the key id, and the algorithm field. POST it to /api/buildability/verify-receipt and the verifier returns whether the signature is valid and whether the receipt counts as Wave 7 completion. Unsigned and placeholder receipts fail closed at every external gate."}]},{"title":"Related vocabulary","items":[{"subtitle":"Buildability Receipt","text":"The receipt for a paper's buildability. Carries status, checks, evidence set, holdout summary, scaffold contract, external gates."},{"subtitle":"Verify Receipt","text":"Public endpoint at /api/buildability/verify-receipt. Performs fail-closed ed25519 verification of a receipt."},{"subtitle":"External Gate","text":"A precondition that must clear before a Buildability Wave can complete. Common gates: founder signoff, public Brier receipt, divergence."}]}],"cited_arxiv_ids":[]}},"meta":{"canonical_route":"/resources/glossary/signed-receipt","api_route":"/api/v1/resources/glossary/signed-receipt","source":{"label":"curated glossary catalog","source_state":"curated_static","source_module":"apps/web/data/glossary/terms.ts","method_version":"public_glossary_curated_terms_v2","freshness":{"status":"versioned","observed_at":null,"fresh_until":null,"reason":"Git-versioned curated catalog; daily ingestion freshness windows do not apply.","reason_code":"git_versioned_curated_catalog"},"source_count":111,"bucket_count":7,"buckets":["scoring","surfaces","agents","distribution","data","foresight","buildability"]}}}