{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:T4NLMWEOUKB3TLU5R7QIUFQZZ6","short_pith_number":"pith:T4NLMWEO","canonical_record":{"source":{"id":"1504.07605","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-04-28T19:19:38Z","cross_cats_sorted":["gr-qc","nucl-th"],"title_canon_sha256":"3291b9136318be7ec08e6b8286db2a64c00bd89e1e0c95ba1f8fbbc323582bbe","abstract_canon_sha256":"296ec94c2d25070f578d6b3e726ab2c851baba9daa813bc078af0ce5b0bf7538"},"schema_version":"1.0"},"canonical_sha256":"9f1ab6588ea283b9ae9d8fe08a1619cf9102cc22d609e7c9d32403210e6e8586","source":{"kind":"arxiv","id":"1504.07605","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.07605","created_at":"2026-05-18T01:30:24Z"},{"alias_kind":"arxiv_version","alias_value":"1504.07605v1","created_at":"2026-05-18T01:30:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.07605","created_at":"2026-05-18T01:30:24Z"},{"alias_kind":"pith_short_12","alias_value":"T4NLMWEOUKB3","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"T4NLMWEOUKB3TLU5","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"T4NLMWEO","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:T4NLMWEOUKB3TLU5R7QIUFQZZ6","target":"record","payload":{"canonical_record":{"source":{"id":"1504.07605","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-04-28T19:19:38Z","cross_cats_sorted":["gr-qc","nucl-th"],"title_canon_sha256":"3291b9136318be7ec08e6b8286db2a64c00bd89e1e0c95ba1f8fbbc323582bbe","abstract_canon_sha256":"296ec94c2d25070f578d6b3e726ab2c851baba9daa813bc078af0ce5b0bf7538"},"schema_version":"1.0"},"canonical_sha256":"9f1ab6588ea283b9ae9d8fe08a1619cf9102cc22d609e7c9d32403210e6e8586","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:24.601483Z","signature_b64":"o9vrqvihl8lTxewR8z0o33V5wpYitPMG0WBIpCEAZpmHu70Ka7izhCsgt7BXwq+VtefP9fQXoH1bE3NbPvQIBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f1ab6588ea283b9ae9d8fe08a1619cf9102cc22d609e7c9d32403210e6e8586","last_reissued_at":"2026-05-18T01:30:24.600703Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:24.600703Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.07605","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":"2026-05-18T01:30:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TTQyOzUqwI4fMjgdXqdgZuCYQoAZ2SrDzxQ7fBL+DXM32mw8tHhJ5VeS454PapbW01Rj/GNRH1fKQiHujXnnBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T07:06:01.602991Z"},"content_sha256":"057640078ad48b290fee497e14f78da246134bf45cb82e2c5b40c1eff9a817ad","schema_version":"1.0","event_id":"sha256:057640078ad48b290fee497e14f78da246134bf45cb82e2c5b40c1eff9a817ad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:T4NLMWEOUKB3TLU5R7QIUFQZZ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Fate of the Compact Remnant in Neutron Star Mergers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","nucl-th"],"primary_cat":"astro-ph.HE","authors_text":"Andrew W. Steiner, Chris L. Fryer, Enrico Ramirez-Ruiz, Gang Shen, Krzysztoff Belczynski, Stephan Rosswog","submitted_at":"2015-04-28T19:19:38Z","abstract_excerpt":"Neutron star (binary neutron star and neutron star - black hole) mergers are believed to produce short-duration gamma-ray bursts. They are also believed to be the dominant source of gravitational waves to be detected by the advanced LIGO and the dominant source of the heavy r-process elements in the universe. Whether or not these mergers produce short-duration GRBs depends sensitively on the fate of the core of the remnant (whether, and how quickly, it forms a black hole). In this paper, we combine the results of merger calculations and equation of state studies to determine the fate of the co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.07605","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":"2026-05-18T01:30:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QRSB1Rj6Qb0obVQql3S+9oAJnCRiNz0thWOX2bJh9xVOBTXqBCtQtySGKplLTptbn8sMUSjJxrS2BKqVmwnUCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T07:06:01.603468Z"},"content_sha256":"603984fa6bd0c1e56ede5c613d14fa4980781f0b0f9ff3f92d3e6a7ca98fc993","schema_version":"1.0","event_id":"sha256:603984fa6bd0c1e56ede5c613d14fa4980781f0b0f9ff3f92d3e6a7ca98fc993"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T4NLMWEOUKB3TLU5R7QIUFQZZ6/bundle.json","state_url":"https://pith.science/pith/T4NLMWEOUKB3TLU5R7QIUFQZZ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T4NLMWEOUKB3TLU5R7QIUFQZZ6/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":"2026-05-23T07:06:01Z","links":{"resolver":"https://pith.science/pith/T4NLMWEOUKB3TLU5R7QIUFQZZ6","bundle":"https://pith.science/pith/T4NLMWEOUKB3TLU5R7QIUFQZZ6/bundle.json","state":"https://pith.science/pith/T4NLMWEOUKB3TLU5R7QIUFQZZ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T4NLMWEOUKB3TLU5R7QIUFQZZ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:T4NLMWEOUKB3TLU5R7QIUFQZZ6","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":"296ec94c2d25070f578d6b3e726ab2c851baba9daa813bc078af0ce5b0bf7538","cross_cats_sorted":["gr-qc","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-04-28T19:19:38Z","title_canon_sha256":"3291b9136318be7ec08e6b8286db2a64c00bd89e1e0c95ba1f8fbbc323582bbe"},"schema_version":"1.0","source":{"id":"1504.07605","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.07605","created_at":"2026-05-18T01:30:24Z"},{"alias_kind":"arxiv_version","alias_value":"1504.07605v1","created_at":"2026-05-18T01:30:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.07605","created_at":"2026-05-18T01:30:24Z"},{"alias_kind":"pith_short_12","alias_value":"T4NLMWEOUKB3","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"T4NLMWEOUKB3TLU5","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"T4NLMWEO","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:603984fa6bd0c1e56ede5c613d14fa4980781f0b0f9ff3f92d3e6a7ca98fc993","target":"graph","created_at":"2026-05-18T01:30:24Z","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":"Neutron star (binary neutron star and neutron star - black hole) mergers are believed to produce short-duration gamma-ray bursts. They are also believed to be the dominant source of gravitational waves to be detected by the advanced LIGO and the dominant source of the heavy r-process elements in the universe. Whether or not these mergers produce short-duration GRBs depends sensitively on the fate of the core of the remnant (whether, and how quickly, it forms a black hole). In this paper, we combine the results of merger calculations and equation of state studies to determine the fate of the co","authors_text":"Andrew W. Steiner, Chris L. Fryer, Enrico Ramirez-Ruiz, Gang Shen, Krzysztoff Belczynski, Stephan Rosswog","cross_cats":["gr-qc","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-04-28T19:19:38Z","title":"The Fate of the Compact Remnant in Neutron Star Mergers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.07605","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":"sha256:057640078ad48b290fee497e14f78da246134bf45cb82e2c5b40c1eff9a817ad","target":"record","created_at":"2026-05-18T01:30:24Z","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":"296ec94c2d25070f578d6b3e726ab2c851baba9daa813bc078af0ce5b0bf7538","cross_cats_sorted":["gr-qc","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-04-28T19:19:38Z","title_canon_sha256":"3291b9136318be7ec08e6b8286db2a64c00bd89e1e0c95ba1f8fbbc323582bbe"},"schema_version":"1.0","source":{"id":"1504.07605","kind":"arxiv","version":1}},"canonical_sha256":"9f1ab6588ea283b9ae9d8fe08a1619cf9102cc22d609e7c9d32403210e6e8586","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f1ab6588ea283b9ae9d8fe08a1619cf9102cc22d609e7c9d32403210e6e8586","first_computed_at":"2026-05-18T01:30:24.600703Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:30:24.600703Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o9vrqvihl8lTxewR8z0o33V5wpYitPMG0WBIpCEAZpmHu70Ka7izhCsgt7BXwq+VtefP9fQXoH1bE3NbPvQIBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:30:24.601483Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.07605","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:057640078ad48b290fee497e14f78da246134bf45cb82e2c5b40c1eff9a817ad","sha256:603984fa6bd0c1e56ede5c613d14fa4980781f0b0f9ff3f92d3e6a7ca98fc993"],"state_sha256":"d6b6d5c2aba18a8e7c8087e0314762bb72e2eaa09b771ecd9ae409293c56a9db"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XV+HDMW2a92guTDgXW7D0WFAlM+QVUcOHfbbi4Gpb3MWHPxMVNKE52aADZ7hXx/6kGu6Il4YH5Ga8OLFGYo+DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T07:06:01.606269Z","bundle_sha256":"d384f60550d16e445da5671543b13210306a813f88c6fc7679075b4cd01b9bed"}}