{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:LPUAF2E5OAVO4MWYWOWSRLQCKR","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"c735a1241108dbdddb92d4ce2a1e662a3bf9fe0d3944986653f9d2637fdd9027","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2006-12-18T14:03:03Z","title_canon_sha256":"cc234b2e5882d134fedfff51eebbf6d48551a01f9fe952774b428a35d2180da6"},"schema_version":"1.0","source":{"id":"hep-th/0612184","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0612184","created_at":"2026-07-04T15:25:19Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0612184v2","created_at":"2026-07-04T15:25:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0612184","created_at":"2026-07-04T15:25:19Z"},{"alias_kind":"pith_short_12","alias_value":"LPUAF2E5OAVO","created_at":"2026-07-04T15:25:19Z"},{"alias_kind":"pith_short_16","alias_value":"LPUAF2E5OAVO4MWY","created_at":"2026-07-04T15:25:19Z"},{"alias_kind":"pith_short_8","alias_value":"LPUAF2E5","created_at":"2026-07-04T15:25:19Z"}],"graph_snapshots":[{"event_id":"sha256:f1e240a47acd0c1e2a12ea7bffebaedc38d76ad7e34efad11c52ec530fbfa1bb","target":"graph","created_at":"2026-07-04T15:25:19Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/hep-th/0612184/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study particle decay in de Sitter space-time as given by first order perturbation theory in an interacting quantum field theory. We show that for fields with masses above a critical mass $m_c$ there is no such thing as particle stability, so that decays forbidden in flat space-time do occur there. The lifetime of such a particle also turns out to be independent of its velocity when that lifetime is comparable with de Sitter radius. Particles with lower mass are even stranger: The masses of their decay products must obey quantification rules, and their lifetime is zero.","authors_text":"Henri Epstein, Jacques Bros, Ugo Moschella","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"2006-12-18T14:03:03Z","title":"Lifetime of a massive particle in a de Sitter universe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0612184","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:c60b5c078bb0d4077811a405eadd4224d1c6c1c48bd1ac472d3f4199ba40b0db","target":"record","created_at":"2026-07-04T15:25:19Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"c735a1241108dbdddb92d4ce2a1e662a3bf9fe0d3944986653f9d2637fdd9027","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2006-12-18T14:03:03Z","title_canon_sha256":"cc234b2e5882d134fedfff51eebbf6d48551a01f9fe952774b428a35d2180da6"},"schema_version":"1.0","source":{"id":"hep-th/0612184","kind":"arxiv","version":2}},"canonical_sha256":"5be802e89d702aee32d8b3ad28ae02545fe00a98948a04cb93d4158b7050a59d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5be802e89d702aee32d8b3ad28ae02545fe00a98948a04cb93d4158b7050a59d","first_computed_at":"2026-07-04T15:25:19.890408Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:25:19.890408Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IqgkgD6FxuKpkLi182Z/aYF/WyyBevd/6aapPLXJ2DSSiCIvgutZAlEmXfrYsx7oy4cTq4wSo2jZ18ccGI42Cw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:25:19.890902Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/0612184","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c60b5c078bb0d4077811a405eadd4224d1c6c1c48bd1ac472d3f4199ba40b0db","sha256:f1e240a47acd0c1e2a12ea7bffebaedc38d76ad7e34efad11c52ec530fbfa1bb"],"state_sha256":"b625e17f269ce4ee8905aba1944f2ac2c2ab10704723c86b0146da59618f786c"}