{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:BWAO6QOEMU66A5EFRXPPGY3HZ4","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":"b93784795d6488dd89d7af1109be99f206eb1308505cd13bef86475da0522c2e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-08-09T16:34:25Z","title_canon_sha256":"9d51dba417b292cc6fd8a4187d00b3a387b157e0e71b1c9f8a870383690b1d6d"},"schema_version":"1.0","source":{"id":"1808.03222","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.03222","created_at":"2026-05-18T00:07:05Z"},{"alias_kind":"arxiv_version","alias_value":"1808.03222v2","created_at":"2026-05-18T00:07:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.03222","created_at":"2026-05-18T00:07:05Z"},{"alias_kind":"pith_short_12","alias_value":"BWAO6QOEMU66","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"BWAO6QOEMU66A5EF","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"BWAO6QOE","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:ae2ed80dbef19a08d8bc51b12a8e2f3bae7cd26c4ba1c794b440e243ab9f620c","target":"graph","created_at":"2026-05-18T00:07:05Z","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":"Observations of type Ia supernovae include information about the characteristic nucleosynthesis associated with these thermonuclear explosions. We consider observational constraints from iron-group elemental and isotopic ratios, to compare with various models obtained with the most-realistic recent treatment of electron captures. The nucleosynthesis is sensitive to the highest white-dwarf central densities. Hence, nucleosynthesis yields can distinguish high-density Chandrasekhar-mass models from lower-density burning models such as white-dwarf mergers. We discuss new results of post-processing","authors_text":"Grant J. Mathews, Kanji Mori, Ken'ichi Nomoto, Michael A. Famiano, Peter M. Garnavich, Roland Diehl, Shing-Chi Leung, Toshio Suzuki, Toshitaka Kajino","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-08-09T16:34:25Z","title":"Nucleosynthesis Constraints on the Explosion Mechanism for Type Ia Supernovae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.03222","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":"sha256:8dba2d35c72a108cf5e626393c1632f8ac0d6e9aa03124c0a4bc23900da1b147","target":"record","created_at":"2026-05-18T00:07:05Z","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":"b93784795d6488dd89d7af1109be99f206eb1308505cd13bef86475da0522c2e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-08-09T16:34:25Z","title_canon_sha256":"9d51dba417b292cc6fd8a4187d00b3a387b157e0e71b1c9f8a870383690b1d6d"},"schema_version":"1.0","source":{"id":"1808.03222","kind":"arxiv","version":2}},"canonical_sha256":"0d80ef41c4653de074858ddef36367cf1064ae6b4ff4e37c423895d624d0cee2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0d80ef41c4653de074858ddef36367cf1064ae6b4ff4e37c423895d624d0cee2","first_computed_at":"2026-05-18T00:07:05.593144Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:05.593144Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WBwxYoNYzP/+TnAtqXQMPUouWD2uKtk6fW7ROgu+2+tvyFwzHLHi6OXnALQAvNdoXyFF8qaaD+PLnyqvUiR4Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:05.593856Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.03222","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8dba2d35c72a108cf5e626393c1632f8ac0d6e9aa03124c0a4bc23900da1b147","sha256:ae2ed80dbef19a08d8bc51b12a8e2f3bae7cd26c4ba1c794b440e243ab9f620c"],"state_sha256":"5f126215a411fda60029248e1e55d78fbafb95dcc9e6413cee1ea9639d8eee7e"}