{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:LXOK74CQ2BRHI5FP6YMZ2SQTT3","short_pith_number":"pith:LXOK74CQ","canonical_record":{"source":{"id":"2302.12055","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-02-23T14:28:00Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"a2486941a7e53541764638bf43a729af319f3ca99b51a4be707cf453f904bae7","abstract_canon_sha256":"bab6b20cae03e856312999ae334ccb5a51aff5688b2a3b177f919c9b8fd15d1a"},"schema_version":"1.0"},"canonical_sha256":"5ddcaff050d0627474aff6199d4a139eca6b8aaed0f2c65ab47bab39f5bc1026","source":{"kind":"arxiv","id":"2302.12055","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.12055","created_at":"2026-07-05T06:34:47Z"},{"alias_kind":"arxiv_version","alias_value":"2302.12055v2","created_at":"2026-07-05T06:34:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.12055","created_at":"2026-07-05T06:34:47Z"},{"alias_kind":"pith_short_12","alias_value":"LXOK74CQ2BRH","created_at":"2026-07-05T06:34:47Z"},{"alias_kind":"pith_short_16","alias_value":"LXOK74CQ2BRHI5FP","created_at":"2026-07-05T06:34:47Z"},{"alias_kind":"pith_short_8","alias_value":"LXOK74CQ","created_at":"2026-07-05T06:34:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:LXOK74CQ2BRHI5FP6YMZ2SQTT3","target":"record","payload":{"canonical_record":{"source":{"id":"2302.12055","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-02-23T14:28:00Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"a2486941a7e53541764638bf43a729af319f3ca99b51a4be707cf453f904bae7","abstract_canon_sha256":"bab6b20cae03e856312999ae334ccb5a51aff5688b2a3b177f919c9b8fd15d1a"},"schema_version":"1.0"},"canonical_sha256":"5ddcaff050d0627474aff6199d4a139eca6b8aaed0f2c65ab47bab39f5bc1026","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:34:47.447469Z","signature_b64":"A73LUUyJuB/SiXVpRAZGG8iWL+ZLprsmUvuTrzmlOfzXUQg4hS9vafCd2egp9rYQ1G5XjrPHnMuJPC/mIMACDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ddcaff050d0627474aff6199d4a139eca6b8aaed0f2c65ab47bab39f5bc1026","last_reissued_at":"2026-07-05T06:34:47.446847Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:34:47.446847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.12055","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:34:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gPMiUMgwdgS9Ou7mbnI8aVgApQnFrLIXOBT92TpC9u+eQdBbofDIx1X0qmbwwlABM0LwEEFWgA8N2QzAYVyrCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T05:57:02.767130Z"},"content_sha256":"a314cceb69521754a6e59f00ed4471bbe230273310573e01fca1279048e9f981","schema_version":"1.0","event_id":"sha256:a314cceb69521754a6e59f00ed4471bbe230273310573e01fca1279048e9f981"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:LXOK74CQ2BRHI5FP6YMZ2SQTT3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Impact of pions on binary neutron star mergers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"astro-ph.HE","authors_text":"Andreas Bauswein, Gabriel Mart\\'inez-Pinedo, Ignacio L. Arbina, Ninoy Rahman, Vimal Vijayan","submitted_at":"2023-02-23T14:28:00Z","abstract_excerpt":"We study the impact of pions in simulations of neutron star mergers and explore the impact on gravitational-wave observables. We model charged and neutral pions as a non-interacting Boson gas with a chosen, constant effective mass. We add the contributions of pions, which can occur as a condensate or as a thermal population, to existing temperature and composition dependent equations of state. Compared to the models without pions, the presence of a pion condensate decreases the characteristic properties of cold, non-rotating neutron stars such as the maximum mass, the radius and the tidal defo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.12055","kind":"arxiv","version":2},"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/2302.12055/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":"2026-07-05T06:34:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NLiEYQEhuEG4L71Dg8wBeFw9E3FQEYEAiTQfT1IRRhK2vop+gQyUdoUqTLhRZqAoAZehptlNeE8sPqS4uP4iCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T05:57:02.767679Z"},"content_sha256":"6a5e18b79bd8c75d8d58eb0c096b9e9f113e9672a61c0a92d4c666a98299a1f6","schema_version":"1.0","event_id":"sha256:6a5e18b79bd8c75d8d58eb0c096b9e9f113e9672a61c0a92d4c666a98299a1f6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LXOK74CQ2BRHI5FP6YMZ2SQTT3/bundle.json","state_url":"https://pith.science/pith/LXOK74CQ2BRHI5FP6YMZ2SQTT3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LXOK74CQ2BRHI5FP6YMZ2SQTT3/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":"2026-08-17T05:57:02Z","links":{"resolver":"https://pith.science/pith/LXOK74CQ2BRHI5FP6YMZ2SQTT3","bundle":"https://pith.science/pith/LXOK74CQ2BRHI5FP6YMZ2SQTT3/bundle.json","state":"https://pith.science/pith/LXOK74CQ2BRHI5FP6YMZ2SQTT3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LXOK74CQ2BRHI5FP6YMZ2SQTT3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:LXOK74CQ2BRHI5FP6YMZ2SQTT3","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":"bab6b20cae03e856312999ae334ccb5a51aff5688b2a3b177f919c9b8fd15d1a","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-02-23T14:28:00Z","title_canon_sha256":"a2486941a7e53541764638bf43a729af319f3ca99b51a4be707cf453f904bae7"},"schema_version":"1.0","source":{"id":"2302.12055","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.12055","created_at":"2026-07-05T06:34:47Z"},{"alias_kind":"arxiv_version","alias_value":"2302.12055v2","created_at":"2026-07-05T06:34:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.12055","created_at":"2026-07-05T06:34:47Z"},{"alias_kind":"pith_short_12","alias_value":"LXOK74CQ2BRH","created_at":"2026-07-05T06:34:47Z"},{"alias_kind":"pith_short_16","alias_value":"LXOK74CQ2BRHI5FP","created_at":"2026-07-05T06:34:47Z"},{"alias_kind":"pith_short_8","alias_value":"LXOK74CQ","created_at":"2026-07-05T06:34:47Z"}],"graph_snapshots":[{"event_id":"sha256:6a5e18b79bd8c75d8d58eb0c096b9e9f113e9672a61c0a92d4c666a98299a1f6","target":"graph","created_at":"2026-07-05T06:34:47Z","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/2302.12055/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the impact of pions in simulations of neutron star mergers and explore the impact on gravitational-wave observables. We model charged and neutral pions as a non-interacting Boson gas with a chosen, constant effective mass. We add the contributions of pions, which can occur as a condensate or as a thermal population, to existing temperature and composition dependent equations of state. Compared to the models without pions, the presence of a pion condensate decreases the characteristic properties of cold, non-rotating neutron stars such as the maximum mass, the radius and the tidal defo","authors_text":"Andreas Bauswein, Gabriel Mart\\'inez-Pinedo, Ignacio L. Arbina, Ninoy Rahman, Vimal Vijayan","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-02-23T14:28:00Z","title":"Impact of pions on binary neutron star mergers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.12055","kind":"arxiv","version":2},"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:a314cceb69521754a6e59f00ed4471bbe230273310573e01fca1279048e9f981","target":"record","created_at":"2026-07-05T06:34:47Z","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":"bab6b20cae03e856312999ae334ccb5a51aff5688b2a3b177f919c9b8fd15d1a","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-02-23T14:28:00Z","title_canon_sha256":"a2486941a7e53541764638bf43a729af319f3ca99b51a4be707cf453f904bae7"},"schema_version":"1.0","source":{"id":"2302.12055","kind":"arxiv","version":2}},"canonical_sha256":"5ddcaff050d0627474aff6199d4a139eca6b8aaed0f2c65ab47bab39f5bc1026","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ddcaff050d0627474aff6199d4a139eca6b8aaed0f2c65ab47bab39f5bc1026","first_computed_at":"2026-07-05T06:34:47.446847Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:34:47.446847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A73LUUyJuB/SiXVpRAZGG8iWL+ZLprsmUvuTrzmlOfzXUQg4hS9vafCd2egp9rYQ1G5XjrPHnMuJPC/mIMACDA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:34:47.447469Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.12055","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a314cceb69521754a6e59f00ed4471bbe230273310573e01fca1279048e9f981","sha256:6a5e18b79bd8c75d8d58eb0c096b9e9f113e9672a61c0a92d4c666a98299a1f6"],"state_sha256":"e1c0b5ead6d13c7f0d0d9cc693ca9cb054b9e4dad1f49acdc58a801862352b70"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iyWMK97nPJTtS0UCh0tK6UZdvhHEVbD9Bn30bIAFlRLFyVggbpIxiEb9oBJBChaOdaAycUKnlhjH4OzSozAMBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T05:57:02.771594Z","bundle_sha256":"6271dbf12b9b0f79d267e0fc30026a695d77b97c0e0138be9f1f94d4832b5b29"}}