{"data":{"slug":"external-gate","term":"External Gate","bucket":"buildability","definition":"A precondition that must clear before a Buildability Wave can complete. Common gates: founder signoff, public Brier receipt, divergence.","short_definition":"A precondition that must clear before a Buildability Wave can complete. Common gates: founder signoff, public Brier receipt, divergence.","long_definition":"External Gate is the fail-closed contract between Buildability and the outside world. Each gate names a precondition (founder signoff, signed Brier receipt, divergence outcome, real-judge evaluation) and asserts that an unsigned or placeholder satisfaction returns false. Wave 7 cannot complete with any gate unsatisfied; receipts that claim otherwise are rejected by the verifier.","related_terms":["buildability-wave","signed-receipt","verify-receipt"],"related_term_routes":[{"slug":"buildability-wave","term":"Buildability Wave","route":"/resources/glossary/buildability-wave"},{"slug":"signed-receipt","term":"Signed Receipt","route":"/resources/glossary/signed-receipt"},{"slug":"verify-receipt","term":"Verify Receipt","route":"/resources/glossary/verify-receipt"}],"canonical_route":"/resources/glossary/external-gate","api_route":"/api/v1/resources/glossary/external-gate","jsonld_id":"https://sciencetostartup.com/resources/glossary/external-gate","variants":[],"tldr":"A precondition that must clear before a Buildability Wave can complete. Common gates: founder signoff, public Brier receipt, divergence.","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":"External Gate is the fail-closed contract between Buildability and the outside world. Each gate names a precondition (founder signoff, signed Brier receipt, divergence outcome, real-judge evaluation) and asserts that an unsigned or placeholder satisfaction returns false. Wave 7 cannot complete with any gate unsatisfied; receipts that claim otherwise are rejected by the verifier.","sections":[{"title":"Definition","items":[{"subtitle":"External Gate","text":"External Gate is the fail-closed contract between Buildability and the outside world. Each gate names a precondition (founder signoff, signed Brier receipt, divergence outcome, real-judge evaluation) and asserts that an unsigned or placeholder satisfaction returns false. Wave 7 cannot complete with any gate unsatisfied; receipts that claim otherwise are rejected by the verifier."}]},{"title":"Related vocabulary","items":[{"subtitle":"Buildability Wave","text":"Progressive buildability assessment phases, wave_0 through wave_7. Each wave adds evidence requirements and external gates."},{"subtitle":"Signed Receipt","text":"Any platform receipt with an ed25519 signature and a key id. Verifiable via the public verify-receipt endpoint."},{"subtitle":"Verify Receipt","text":"Public endpoint at /api/buildability/verify-receipt. Performs fail-closed ed25519 verification of a receipt."}]}],"cited_arxiv_ids":[]}},"meta":{"canonical_route":"/resources/glossary/external-gate","api_route":"/api/v1/resources/glossary/external-gate","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"]}}}