{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:HBK6NEN5GOZOJUDVBOXTWA6R7Y","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":"2b87daf5fa048beb16bfdc72cb2e732db331e64a2cbd6760de5d1186979c1a81","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-05-12T03:29:17Z","title_canon_sha256":"ef92797d239051a52195ad41c2afd072a3f284642124f4f4313d248500449e93"},"schema_version":"1.0","source":{"id":"1605.03668","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.03668","created_at":"2026-05-18T01:08:41Z"},{"alias_kind":"arxiv_version","alias_value":"1605.03668v1","created_at":"2026-05-18T01:08:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.03668","created_at":"2026-05-18T01:08:41Z"},{"alias_kind":"pith_short_12","alias_value":"HBK6NEN5GOZO","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"HBK6NEN5GOZOJUDV","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"HBK6NEN5","created_at":"2026-05-18T12:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:bac33a43233bfed0e38ab341d401f05c3702280337cd096ac8302c798364a2d1","target":"graph","created_at":"2026-05-18T01:08:41Z","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"},"paper":{"abstract_excerpt":"The binding energy parameter $\\lambda$ plays a vital role in common envelope evolution. Though it is well known that $\\lambda$ takes different values for stars with different masses and varies during stellar evolution, it has been erroneously adopted as a constant in most of the population synthesis calculations. We have systematically calculated the values of $\\lambda$ for stars of masses $1-60\\,M_{\\odot}$ by use of an updated stellar evolution code, taking into account contribution from both gravitational energy and internal energy to the binding energy of the envelope. We adopt the criterio","authors_text":"Cheng Wang, Kun Jia, Xiang-Dong Li (NJU)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-05-12T03:29:17Z","title":"The Binding Energy Parameter for Common Envelope Evolution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.03668","kind":"arxiv","version":1},"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":"sha256:57d34acf92ae317bbf7434ac1a8631d882362bb3b4367b07ec17be0d266b8848","target":"record","created_at":"2026-05-18T01:08:41Z","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":"2b87daf5fa048beb16bfdc72cb2e732db331e64a2cbd6760de5d1186979c1a81","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-05-12T03:29:17Z","title_canon_sha256":"ef92797d239051a52195ad41c2afd072a3f284642124f4f4313d248500449e93"},"schema_version":"1.0","source":{"id":"1605.03668","kind":"arxiv","version":1}},"canonical_sha256":"3855e691bd33b2e4d0750baf3b03d1fe3bb3349ab8ca248623b9e39cd5d9bb3b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3855e691bd33b2e4d0750baf3b03d1fe3bb3349ab8ca248623b9e39cd5d9bb3b","first_computed_at":"2026-05-18T01:08:41.381021Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:41.381021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1JvUhfugV6zre4z7CMRIXm6wY6In+pqbhpH+vzk+ZnHhqq7zaio7YszOTekVrxUz4dySplz/8Q7OM0vVZztCCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:41.381501Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.03668","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57d34acf92ae317bbf7434ac1a8631d882362bb3b4367b07ec17be0d266b8848","sha256:bac33a43233bfed0e38ab341d401f05c3702280337cd096ac8302c798364a2d1"],"state_sha256":"53547508a526eeb38e76d0e19148ee35396961c42c4e00fb6f8e8c91a0a546c5"}