{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:USBDFE72MQZTDSO7FNRVEZCVXJ","short_pith_number":"pith:USBDFE72","canonical_record":{"source":{"id":"2103.02268","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-03T09:09:21Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"a9a44fb3cfa8667e6277583d9b408b5e47ed4fdac4f9873f6aa86f07ef44c0d0","abstract_canon_sha256":"516eb64a9cf5dd23d5453f3b3ad6c1b5ad4fbc1ed9627b4d3a256fe63570ce12"},"schema_version":"1.0"},"canonical_sha256":"a4823293fa643331c9df2b63526455ba5ccebcd16b74a360a331e8d050ea7c8c","source":{"kind":"arxiv","id":"2103.02268","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.02268","created_at":"2026-07-05T02:35:39Z"},{"alias_kind":"arxiv_version","alias_value":"2103.02268v1","created_at":"2026-07-05T02:35:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.02268","created_at":"2026-07-05T02:35:39Z"},{"alias_kind":"pith_short_12","alias_value":"USBDFE72MQZT","created_at":"2026-07-05T02:35:39Z"},{"alias_kind":"pith_short_16","alias_value":"USBDFE72MQZTDSO7","created_at":"2026-07-05T02:35:39Z"},{"alias_kind":"pith_short_8","alias_value":"USBDFE72","created_at":"2026-07-05T02:35:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:USBDFE72MQZTDSO7FNRVEZCVXJ","target":"record","payload":{"canonical_record":{"source":{"id":"2103.02268","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-03T09:09:21Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"a9a44fb3cfa8667e6277583d9b408b5e47ed4fdac4f9873f6aa86f07ef44c0d0","abstract_canon_sha256":"516eb64a9cf5dd23d5453f3b3ad6c1b5ad4fbc1ed9627b4d3a256fe63570ce12"},"schema_version":"1.0"},"canonical_sha256":"a4823293fa643331c9df2b63526455ba5ccebcd16b74a360a331e8d050ea7c8c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:35:39.650636Z","signature_b64":"6nCmRBeZ/LvHhb5MKkK4YLj+QM91EKu65ZC0pfvA28aCiFrGN+TPfsXUN5VtrAfzwW38LvSSK1RgX9cDcaN6CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a4823293fa643331c9df2b63526455ba5ccebcd16b74a360a331e8d050ea7c8c","last_reissued_at":"2026-07-05T02:35:39.650152Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:35:39.650152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2103.02268","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":"2026-07-05T02:35:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yto/o4DQs8TS1GortZPtZ3ugHtsxBfNlQWPZ8HIwiMaOAatwixf8SkIlX+kKwM3Q7G3GWQlTZWL0ZyjY/X8fCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T21:34:51.676361Z"},"content_sha256":"676113b65e3b72c431efed6837a968c7bef39d3bedb932cc85cf2e31c0eafdb7","schema_version":"1.0","event_id":"sha256:676113b65e3b72c431efed6837a968c7bef39d3bedb932cc85cf2e31c0eafdb7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:USBDFE72MQZTDSO7FNRVEZCVXJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Progenitor Dependence of Hadron-quark Phase Transition in Failing Core-collapse Supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"astro-ph.HE","authors_text":"Andr\\'e da Silva Schneider, Evan P. O'Connor, Shuai Zha","submitted_at":"2021-03-03T09:09:21Z","abstract_excerpt":"We study the consequences of a hadron-quark phase transition (PT) in failing core-collapse supernovae (CCSNe) which give birth to stellar-mass black holes (BH). We perform a suite of neutrino-transport general-relativistic hydrodynamic simulations in spherical symmetry with 21 progenitor models and a hybrid equation of state (EoS) including hadrons and quarks. We find that the effect of the PT on the CCSN postbounce dynamics is a function of the bounce compactness parameter $\\xi_{2.2}$. For $\\xi_{2.2}\\gtrsim0.24$, the PT leads to a second dynamical collapse of the protocompact star (PCS). Whil"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.02268","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/2103.02268/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":"2026-07-05T02:35:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J1v9HzTmTCMjC0fFplROR4HO3taE/L1eAU/ljqvpC6th2u3iIesi4SKEHHggfBZS7s7tXWMrHS4E/Bc0NH09CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T21:34:51.676869Z"},"content_sha256":"b9746832bcd71b7b367df029a6081ec4e55fcb9a11a6c105daa7e63b57e56f12","schema_version":"1.0","event_id":"sha256:b9746832bcd71b7b367df029a6081ec4e55fcb9a11a6c105daa7e63b57e56f12"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/USBDFE72MQZTDSO7FNRVEZCVXJ/bundle.json","state_url":"https://pith.science/pith/USBDFE72MQZTDSO7FNRVEZCVXJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/USBDFE72MQZTDSO7FNRVEZCVXJ/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":"2026-08-13T21:34:51Z","links":{"resolver":"https://pith.science/pith/USBDFE72MQZTDSO7FNRVEZCVXJ","bundle":"https://pith.science/pith/USBDFE72MQZTDSO7FNRVEZCVXJ/bundle.json","state":"https://pith.science/pith/USBDFE72MQZTDSO7FNRVEZCVXJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/USBDFE72MQZTDSO7FNRVEZCVXJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:USBDFE72MQZTDSO7FNRVEZCVXJ","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":"516eb64a9cf5dd23d5453f3b3ad6c1b5ad4fbc1ed9627b4d3a256fe63570ce12","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-03T09:09:21Z","title_canon_sha256":"a9a44fb3cfa8667e6277583d9b408b5e47ed4fdac4f9873f6aa86f07ef44c0d0"},"schema_version":"1.0","source":{"id":"2103.02268","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.02268","created_at":"2026-07-05T02:35:39Z"},{"alias_kind":"arxiv_version","alias_value":"2103.02268v1","created_at":"2026-07-05T02:35:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.02268","created_at":"2026-07-05T02:35:39Z"},{"alias_kind":"pith_short_12","alias_value":"USBDFE72MQZT","created_at":"2026-07-05T02:35:39Z"},{"alias_kind":"pith_short_16","alias_value":"USBDFE72MQZTDSO7","created_at":"2026-07-05T02:35:39Z"},{"alias_kind":"pith_short_8","alias_value":"USBDFE72","created_at":"2026-07-05T02:35:39Z"}],"graph_snapshots":[{"event_id":"sha256:b9746832bcd71b7b367df029a6081ec4e55fcb9a11a6c105daa7e63b57e56f12","target":"graph","created_at":"2026-07-05T02:35:39Z","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/2103.02268/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the consequences of a hadron-quark phase transition (PT) in failing core-collapse supernovae (CCSNe) which give birth to stellar-mass black holes (BH). We perform a suite of neutrino-transport general-relativistic hydrodynamic simulations in spherical symmetry with 21 progenitor models and a hybrid equation of state (EoS) including hadrons and quarks. We find that the effect of the PT on the CCSN postbounce dynamics is a function of the bounce compactness parameter $\\xi_{2.2}$. For $\\xi_{2.2}\\gtrsim0.24$, the PT leads to a second dynamical collapse of the protocompact star (PCS). Whil","authors_text":"Andr\\'e da Silva Schneider, Evan P. O'Connor, Shuai Zha","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-03T09:09:21Z","title":"Progenitor Dependence of Hadron-quark Phase Transition in Failing Core-collapse Supernovae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.02268","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":"sha256:676113b65e3b72c431efed6837a968c7bef39d3bedb932cc85cf2e31c0eafdb7","target":"record","created_at":"2026-07-05T02:35:39Z","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":"516eb64a9cf5dd23d5453f3b3ad6c1b5ad4fbc1ed9627b4d3a256fe63570ce12","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-03T09:09:21Z","title_canon_sha256":"a9a44fb3cfa8667e6277583d9b408b5e47ed4fdac4f9873f6aa86f07ef44c0d0"},"schema_version":"1.0","source":{"id":"2103.02268","kind":"arxiv","version":1}},"canonical_sha256":"a4823293fa643331c9df2b63526455ba5ccebcd16b74a360a331e8d050ea7c8c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a4823293fa643331c9df2b63526455ba5ccebcd16b74a360a331e8d050ea7c8c","first_computed_at":"2026-07-05T02:35:39.650152Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:35:39.650152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6nCmRBeZ/LvHhb5MKkK4YLj+QM91EKu65ZC0pfvA28aCiFrGN+TPfsXUN5VtrAfzwW38LvSSK1RgX9cDcaN6CA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:35:39.650636Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.02268","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:676113b65e3b72c431efed6837a968c7bef39d3bedb932cc85cf2e31c0eafdb7","sha256:b9746832bcd71b7b367df029a6081ec4e55fcb9a11a6c105daa7e63b57e56f12"],"state_sha256":"575fa39599ce35d71e7d540a9e928a1a5bdf0d0948c10608e2223b92a926dc71"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gTe3+pep0OpmPSCkRINpqEKFQZth8lb//9IKrZ5MZpO2OxsiOC59vrwawn9cmAu+jMnjPpVJR6Zj8yRX+7jsCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T21:34:51.709088Z","bundle_sha256":"027bbf333490ff031a494da46732bdb18b9d93898e3c1818a0f00dd8cda6b8d2"}}