{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:GSKLUMRBV6URRD26SO3RLFKG22","short_pith_number":"pith:GSKLUMRB","canonical_record":{"source":{"id":"1109.4273","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-20T12:02:56Z","cross_cats_sorted":[],"title_canon_sha256":"b50e5abb55bc168095dbf11ba2a3052a23175705fd5e906f609be134512eac60","abstract_canon_sha256":"3afeb143ff8ef9c3b96c3aa1234ebba6df0f58c194d95debb65a081bdff52fd4"},"schema_version":"1.0"},"canonical_sha256":"3494ba3221afa9188f5e93b7159546d6be099d86924238b6db2a02f5de2fd061","source":{"kind":"arxiv","id":"1109.4273","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.4273","created_at":"2026-05-18T04:12:43Z"},{"alias_kind":"arxiv_version","alias_value":"1109.4273v1","created_at":"2026-05-18T04:12:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.4273","created_at":"2026-05-18T04:12:43Z"},{"alias_kind":"pith_short_12","alias_value":"GSKLUMRBV6UR","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"GSKLUMRBV6URRD26","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"GSKLUMRB","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:GSKLUMRBV6URRD26SO3RLFKG22","target":"record","payload":{"canonical_record":{"source":{"id":"1109.4273","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-20T12:02:56Z","cross_cats_sorted":[],"title_canon_sha256":"b50e5abb55bc168095dbf11ba2a3052a23175705fd5e906f609be134512eac60","abstract_canon_sha256":"3afeb143ff8ef9c3b96c3aa1234ebba6df0f58c194d95debb65a081bdff52fd4"},"schema_version":"1.0"},"canonical_sha256":"3494ba3221afa9188f5e93b7159546d6be099d86924238b6db2a02f5de2fd061","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:12:43.686701Z","signature_b64":"LbhsNR50k/uy5Jxx74mzszyIKMLElC9QS+lt2VVCteLD7UdVBZIEjbZUyHNdL1GzrXvu4jzARJVjwqgDyfHKBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3494ba3221afa9188f5e93b7159546d6be099d86924238b6db2a02f5de2fd061","last_reissued_at":"2026-05-18T04:12:43.685983Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:12:43.685983Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.4273","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:12:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ku7YLzV8pjtOUyPMIcWtLikajJ29jrAC/FbNSUqhruMmGSJtFYbhUsxHk4hjn5kKI2z2h5w90ESWeoVQ50LlBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:19:51.365236Z"},"content_sha256":"fffbe1df348d3b7fc813b0e96aed4d75ebd26f88aab24ee819df5d3a82bdbc6e","schema_version":"1.0","event_id":"sha256:fffbe1df348d3b7fc813b0e96aed4d75ebd26f88aab24ee819df5d3a82bdbc6e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:GSKLUMRBV6URRD26SO3RLFKG22","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Type Ia Supernovae and Supersoft X-ray Sources","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"L. Yungelson","submitted_at":"2011-09-20T12:02:56Z","abstract_excerpt":"The rates of SN Ia for double-degenerate and single-degenerate scenario are computed for the models of spiral and elliptical galaxies. The number of nuclearly burning white dwarfs (NBWD) is traced. The data favours double-degenerate scenario and suggests lower number of NBWD per unit mass in ellipticals and their lower average mass as one of the reasons for the difference in the number of supersoft X-ray sources observed in the galaxies of different types."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.4273","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:12:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fz2Kj6X5l9kuwrSn6R607iySN+ivf6PpPcCvMvFBd3EqFwtC1XekK6Ew+KIlipQhNdL/LWrfIbk8epporJrHDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:19:51.365591Z"},"content_sha256":"59ba96f217367c5a12d6241050761281c5074218719db6bcf8e5886554a35719","schema_version":"1.0","event_id":"sha256:59ba96f217367c5a12d6241050761281c5074218719db6bcf8e5886554a35719"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GSKLUMRBV6URRD26SO3RLFKG22/bundle.json","state_url":"https://pith.science/pith/GSKLUMRBV6URRD26SO3RLFKG22/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GSKLUMRBV6URRD26SO3RLFKG22/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-30T05:19:51Z","links":{"resolver":"https://pith.science/pith/GSKLUMRBV6URRD26SO3RLFKG22","bundle":"https://pith.science/pith/GSKLUMRBV6URRD26SO3RLFKG22/bundle.json","state":"https://pith.science/pith/GSKLUMRBV6URRD26SO3RLFKG22/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GSKLUMRBV6URRD26SO3RLFKG22/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:GSKLUMRBV6URRD26SO3RLFKG22","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":"3afeb143ff8ef9c3b96c3aa1234ebba6df0f58c194d95debb65a081bdff52fd4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-20T12:02:56Z","title_canon_sha256":"b50e5abb55bc168095dbf11ba2a3052a23175705fd5e906f609be134512eac60"},"schema_version":"1.0","source":{"id":"1109.4273","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.4273","created_at":"2026-05-18T04:12:43Z"},{"alias_kind":"arxiv_version","alias_value":"1109.4273v1","created_at":"2026-05-18T04:12:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.4273","created_at":"2026-05-18T04:12:43Z"},{"alias_kind":"pith_short_12","alias_value":"GSKLUMRBV6UR","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"GSKLUMRBV6URRD26","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"GSKLUMRB","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:59ba96f217367c5a12d6241050761281c5074218719db6bcf8e5886554a35719","target":"graph","created_at":"2026-05-18T04:12:43Z","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 rates of SN Ia for double-degenerate and single-degenerate scenario are computed for the models of spiral and elliptical galaxies. The number of nuclearly burning white dwarfs (NBWD) is traced. The data favours double-degenerate scenario and suggests lower number of NBWD per unit mass in ellipticals and their lower average mass as one of the reasons for the difference in the number of supersoft X-ray sources observed in the galaxies of different types.","authors_text":"L. Yungelson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-20T12:02:56Z","title":"Type Ia Supernovae and Supersoft X-ray Sources"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.4273","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:fffbe1df348d3b7fc813b0e96aed4d75ebd26f88aab24ee819df5d3a82bdbc6e","target":"record","created_at":"2026-05-18T04:12:43Z","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":"3afeb143ff8ef9c3b96c3aa1234ebba6df0f58c194d95debb65a081bdff52fd4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-20T12:02:56Z","title_canon_sha256":"b50e5abb55bc168095dbf11ba2a3052a23175705fd5e906f609be134512eac60"},"schema_version":"1.0","source":{"id":"1109.4273","kind":"arxiv","version":1}},"canonical_sha256":"3494ba3221afa9188f5e93b7159546d6be099d86924238b6db2a02f5de2fd061","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3494ba3221afa9188f5e93b7159546d6be099d86924238b6db2a02f5de2fd061","first_computed_at":"2026-05-18T04:12:43.685983Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:12:43.685983Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LbhsNR50k/uy5Jxx74mzszyIKMLElC9QS+lt2VVCteLD7UdVBZIEjbZUyHNdL1GzrXvu4jzARJVjwqgDyfHKBg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:12:43.686701Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.4273","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fffbe1df348d3b7fc813b0e96aed4d75ebd26f88aab24ee819df5d3a82bdbc6e","sha256:59ba96f217367c5a12d6241050761281c5074218719db6bcf8e5886554a35719"],"state_sha256":"5c99f1a1a373a112e58a66d594adcd3d91f80ca3d27df7ce0d7021b52019e4cf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t+fb8t0d86cfBh2mqT9FC7/6mwFuxppc/mmNcRLP1rxGmVnXC98noIJOFgyXpgS8zLkz9hHHs4E+YyMnbAbXAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T05:19:51.367897Z","bundle_sha256":"6e6da67606103ae68574b49b5c5140e73c37bc55ffc9deb1803d141ec34df923"}}