{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:CSXH2UYP6CYHEPSVCHZM4R3TG2","short_pith_number":"pith:CSXH2UYP","canonical_record":{"source":{"id":"2001.10434","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-01-28T16:09:54Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"2b165f6cb73425c1803736ad2e4ca4fff180c58c3a5b011edbf8f134b45c4ec6","abstract_canon_sha256":"a94a4b0dab91bd4d08932f16f98608e054cac83a2d58837370da1661c9c4e7c8"},"schema_version":"1.0"},"canonical_sha256":"14ae7d530ff0b0723e5511f2ce47733682855059c586245a201997cfb2c3356a","source":{"kind":"arxiv","id":"2001.10434","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.10434","created_at":"2026-07-05T01:00:39Z"},{"alias_kind":"arxiv_version","alias_value":"2001.10434v1","created_at":"2026-07-05T01:00:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.10434","created_at":"2026-07-05T01:00:39Z"},{"alias_kind":"pith_short_12","alias_value":"CSXH2UYP6CYH","created_at":"2026-07-05T01:00:39Z"},{"alias_kind":"pith_short_16","alias_value":"CSXH2UYP6CYHEPSV","created_at":"2026-07-05T01:00:39Z"},{"alias_kind":"pith_short_8","alias_value":"CSXH2UYP","created_at":"2026-07-05T01:00:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:CSXH2UYP6CYHEPSVCHZM4R3TG2","target":"record","payload":{"canonical_record":{"source":{"id":"2001.10434","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-01-28T16:09:54Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"2b165f6cb73425c1803736ad2e4ca4fff180c58c3a5b011edbf8f134b45c4ec6","abstract_canon_sha256":"a94a4b0dab91bd4d08932f16f98608e054cac83a2d58837370da1661c9c4e7c8"},"schema_version":"1.0"},"canonical_sha256":"14ae7d530ff0b0723e5511f2ce47733682855059c586245a201997cfb2c3356a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:00:39.255132Z","signature_b64":"e5LgenUGxlYf1LL+jH/1iVTGybXyPZ5ni+vwF6C55FaNUCaU23fXC7Kt1KLmfxgbsMqdMxnEAHFFJ+sJFCltDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"14ae7d530ff0b0723e5511f2ce47733682855059c586245a201997cfb2c3356a","last_reissued_at":"2026-07-05T01:00:39.254793Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:00:39.254793Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2001.10434","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":"2026-07-05T01:00:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zqot6TU60NigZ62HxulqoPD8En5aiHfz2PKVF0jW+jTVTN/geUoxbRTdj7znv/xm8YbTIJ2WqvDsjJgF+OjKCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T02:33:45.085151Z"},"content_sha256":"5438eef00c687f81ac7912d75848751c86a7f110b87fee6bd3aa0872b8def174","schema_version":"1.0","event_id":"sha256:5438eef00c687f81ac7912d75848751c86a7f110b87fee6bd3aa0872b8def174"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:CSXH2UYP6CYHEPSVCHZM4R3TG2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Equation of State and Progenitor Dependence of Stellar-Mass Black-Hole Formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"astro-ph.HE","authors_text":"A. Betranhandy, A.S. Schneider, E. Granqvist, E. O'Connor, S.M. Couch","submitted_at":"2020-01-28T16:09:54Z","abstract_excerpt":"The core collapse of a massive star results in the formation of a proto-neutron star (PNS). If enough material is accreted onto a PNS it will become gravitationally unstable and further collapse into a black-hole (BH). We perform a systematic study of failing core-collapse supernovae in spherical symmetry for a wide range of presupernova progenitor stars and equations of state (EOSs) of nuclear matter. We analyze how variations in progenitor structure and the EOS of dense matter above nuclear saturation density affect the PNS evolution and subsequent BH formation. Comparisons of core-collapse "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.10434","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2001.10434/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:00:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e2DreQNHeqZoi8r0Fb4Lz5Dqgd/KDIOsznnThUYKBjNMfNcQ2hoSa2G0jxHEYfaciVwcH0W58fB1dZmopSNSDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T02:33:45.086068Z"},"content_sha256":"8a7265f926596934a2b89bee3ef8e704ade9bf48ea52ef1332e5f445a4f35fed","schema_version":"1.0","event_id":"sha256:8a7265f926596934a2b89bee3ef8e704ade9bf48ea52ef1332e5f445a4f35fed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CSXH2UYP6CYHEPSVCHZM4R3TG2/bundle.json","state_url":"https://pith.science/pith/CSXH2UYP6CYHEPSVCHZM4R3TG2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CSXH2UYP6CYHEPSVCHZM4R3TG2/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":"2026-08-03T02:33:45Z","links":{"resolver":"https://pith.science/pith/CSXH2UYP6CYHEPSVCHZM4R3TG2","bundle":"https://pith.science/pith/CSXH2UYP6CYHEPSVCHZM4R3TG2/bundle.json","state":"https://pith.science/pith/CSXH2UYP6CYHEPSVCHZM4R3TG2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CSXH2UYP6CYHEPSVCHZM4R3TG2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:CSXH2UYP6CYHEPSVCHZM4R3TG2","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":"a94a4b0dab91bd4d08932f16f98608e054cac83a2d58837370da1661c9c4e7c8","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-01-28T16:09:54Z","title_canon_sha256":"2b165f6cb73425c1803736ad2e4ca4fff180c58c3a5b011edbf8f134b45c4ec6"},"schema_version":"1.0","source":{"id":"2001.10434","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.10434","created_at":"2026-07-05T01:00:39Z"},{"alias_kind":"arxiv_version","alias_value":"2001.10434v1","created_at":"2026-07-05T01:00:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.10434","created_at":"2026-07-05T01:00:39Z"},{"alias_kind":"pith_short_12","alias_value":"CSXH2UYP6CYH","created_at":"2026-07-05T01:00:39Z"},{"alias_kind":"pith_short_16","alias_value":"CSXH2UYP6CYHEPSV","created_at":"2026-07-05T01:00:39Z"},{"alias_kind":"pith_short_8","alias_value":"CSXH2UYP","created_at":"2026-07-05T01:00:39Z"}],"graph_snapshots":[{"event_id":"sha256:8a7265f926596934a2b89bee3ef8e704ade9bf48ea52ef1332e5f445a4f35fed","target":"graph","created_at":"2026-07-05T01:00:39Z","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/2001.10434/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The core collapse of a massive star results in the formation of a proto-neutron star (PNS). If enough material is accreted onto a PNS it will become gravitationally unstable and further collapse into a black-hole (BH). We perform a systematic study of failing core-collapse supernovae in spherical symmetry for a wide range of presupernova progenitor stars and equations of state (EOSs) of nuclear matter. We analyze how variations in progenitor structure and the EOS of dense matter above nuclear saturation density affect the PNS evolution and subsequent BH formation. Comparisons of core-collapse ","authors_text":"A. Betranhandy, A.S. Schneider, E. Granqvist, E. O'Connor, S.M. Couch","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-01-28T16:09:54Z","title":"Equation of State and Progenitor Dependence of Stellar-Mass Black-Hole Formation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.10434","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":"sha256:5438eef00c687f81ac7912d75848751c86a7f110b87fee6bd3aa0872b8def174","target":"record","created_at":"2026-07-05T01:00:39Z","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":"a94a4b0dab91bd4d08932f16f98608e054cac83a2d58837370da1661c9c4e7c8","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-01-28T16:09:54Z","title_canon_sha256":"2b165f6cb73425c1803736ad2e4ca4fff180c58c3a5b011edbf8f134b45c4ec6"},"schema_version":"1.0","source":{"id":"2001.10434","kind":"arxiv","version":1}},"canonical_sha256":"14ae7d530ff0b0723e5511f2ce47733682855059c586245a201997cfb2c3356a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"14ae7d530ff0b0723e5511f2ce47733682855059c586245a201997cfb2c3356a","first_computed_at":"2026-07-05T01:00:39.254793Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:00:39.254793Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e5LgenUGxlYf1LL+jH/1iVTGybXyPZ5ni+vwF6C55FaNUCaU23fXC7Kt1KLmfxgbsMqdMxnEAHFFJ+sJFCltDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:00:39.255132Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.10434","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5438eef00c687f81ac7912d75848751c86a7f110b87fee6bd3aa0872b8def174","sha256:8a7265f926596934a2b89bee3ef8e704ade9bf48ea52ef1332e5f445a4f35fed"],"state_sha256":"cba8f8599e1c7338818de65104a14db4963231dc6dd2b1114f262192d47362f0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EmKh2QMTH1ib3+NWVpWvTE6ioySecz13VC9RQ8XXiJ7LKobRwwmQ1R4WIMqpZvyWiKpE2fjrCop/G9bbTtt6Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T02:33:45.105455Z","bundle_sha256":"3dc5a4abbaab87ccd1b74051dbfc12ec2e477a3186e5ff1cb18978052f0d0546"}}