{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:YL42IEGNRPWTCSGFQ4QGNFTZYC","short_pith_number":"pith:YL42IEGN","schema_version":"1.0","canonical_sha256":"c2f9a410cd8bed3148c58720669679c095058a3e9cf0c434b87796b85d849f0c","source":{"kind":"arxiv","id":"1310.2170","version":1},"attestation_state":"computed","paper":{"title":"On double-degenerate type Ia supernova progenitors as supersoft X-ray sources - A population synthesis analysis using SeBa","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Gijs Nelemans, Mikkel T.B. Nielsen, Rasmus Voss, Silvia Toonen","submitted_at":"2013-10-08T15:12:09Z","abstract_excerpt":"Context: The nature of the progenitors of type Ia supernova (SN) progenitors remains unclear. While it is usually agreed that single-degenerate progenitor systems would be luminous supersoft X-ray sources (SSSs), it was recently suggested that double-degenerate progenitors might also go through a SSS phase. Aims: We aim to examine the possibility of double-degenerate progenitor systems being SSSs, and place stringent upper limits on the maximally possible durations of any SSS phases and expected number of these systems in a galactic population. Method: We employ the binary population synthesis"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1310.2170","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-10-08T15:12:09Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"717fa95d352a8ae72166519ed15ae818b950f2a6a274a4a428dd08f8bec02559","abstract_canon_sha256":"31bced7a5d0f6ab82db37e2f9b2bbe85fcb63df6eb6f9b68ff6998f6d1d25fb6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:57:08.420561Z","signature_b64":"XOwSFlHvpN/CcqPwBdwhv10fPAokNsEuCzmLanGdxXxDCMv3ibCzaemeguXApG02NDvOY2zn5tFHygpN1B89Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c2f9a410cd8bed3148c58720669679c095058a3e9cf0c434b87796b85d849f0c","last_reissued_at":"2026-05-18T02:57:08.420017Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:57:08.420017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On double-degenerate type Ia supernova progenitors as supersoft X-ray sources - A population synthesis analysis using SeBa","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Gijs Nelemans, Mikkel T.B. Nielsen, Rasmus Voss, Silvia Toonen","submitted_at":"2013-10-08T15:12:09Z","abstract_excerpt":"Context: The nature of the progenitors of type Ia supernova (SN) progenitors remains unclear. While it is usually agreed that single-degenerate progenitor systems would be luminous supersoft X-ray sources (SSSs), it was recently suggested that double-degenerate progenitors might also go through a SSS phase. Aims: We aim to examine the possibility of double-degenerate progenitor systems being SSSs, and place stringent upper limits on the maximally possible durations of any SSS phases and expected number of these systems in a galactic population. Method: We employ the binary population synthesis"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.2170","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1310.2170","created_at":"2026-05-18T02:57:08.420107+00:00"},{"alias_kind":"arxiv_version","alias_value":"1310.2170v1","created_at":"2026-05-18T02:57:08.420107+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.2170","created_at":"2026-05-18T02:57:08.420107+00:00"},{"alias_kind":"pith_short_12","alias_value":"YL42IEGNRPWT","created_at":"2026-05-18T12:28:06.772260+00:00"},{"alias_kind":"pith_short_16","alias_value":"YL42IEGNRPWTCSGF","created_at":"2026-05-18T12:28:06.772260+00:00"},{"alias_kind":"pith_short_8","alias_value":"YL42IEGN","created_at":"2026-05-18T12:28:06.772260+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YL42IEGNRPWTCSGFQ4QGNFTZYC","json":"https://pith.science/pith/YL42IEGNRPWTCSGFQ4QGNFTZYC.json","graph_json":"https://pith.science/api/pith-number/YL42IEGNRPWTCSGFQ4QGNFTZYC/graph.json","events_json":"https://pith.science/api/pith-number/YL42IEGNRPWTCSGFQ4QGNFTZYC/events.json","paper":"https://pith.science/paper/YL42IEGN"},"agent_actions":{"view_html":"https://pith.science/pith/YL42IEGNRPWTCSGFQ4QGNFTZYC","download_json":"https://pith.science/pith/YL42IEGNRPWTCSGFQ4QGNFTZYC.json","view_paper":"https://pith.science/paper/YL42IEGN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1310.2170&json=true","fetch_graph":"https://pith.science/api/pith-number/YL42IEGNRPWTCSGFQ4QGNFTZYC/graph.json","fetch_events":"https://pith.science/api/pith-number/YL42IEGNRPWTCSGFQ4QGNFTZYC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YL42IEGNRPWTCSGFQ4QGNFTZYC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YL42IEGNRPWTCSGFQ4QGNFTZYC/action/storage_attestation","attest_author":"https://pith.science/pith/YL42IEGNRPWTCSGFQ4QGNFTZYC/action/author_attestation","sign_citation":"https://pith.science/pith/YL42IEGNRPWTCSGFQ4QGNFTZYC/action/citation_signature","submit_replication":"https://pith.science/pith/YL42IEGNRPWTCSGFQ4QGNFTZYC/action/replication_record"}},"created_at":"2026-05-18T02:57:08.420107+00:00","updated_at":"2026-05-18T02:57:08.420107+00:00"}