{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:OIZF45PPXJEU4HPGW2OLZGBX4E","short_pith_number":"pith:OIZF45PP","canonical_record":{"source":{"id":"1812.06988","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-12-17T19:00:04Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"5ff2812a4d4961137306c8d33d2ab3d94b3db2a3a01128cd2a4366191b81bf84","abstract_canon_sha256":"f70e6ba18a7868c448a9203b26db2d847488b107bac7924894dbca3fb62ebd7e"},"schema_version":"1.0"},"canonical_sha256":"72325e75efba494e1de6b69cbc9837e133c4c4d1079f4e1fa3c91afefc771387","source":{"kind":"arxiv","id":"1812.06988","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.06988","created_at":"2026-05-17T23:53:23Z"},{"alias_kind":"arxiv_version","alias_value":"1812.06988v1","created_at":"2026-05-17T23:53:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.06988","created_at":"2026-05-17T23:53:23Z"},{"alias_kind":"pith_short_12","alias_value":"OIZF45PPXJEU","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"OIZF45PPXJEU4HPG","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"OIZF45PP","created_at":"2026-05-18T12:32:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:OIZF45PPXJEU4HPGW2OLZGBX4E","target":"record","payload":{"canonical_record":{"source":{"id":"1812.06988","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-12-17T19:00:04Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"5ff2812a4d4961137306c8d33d2ab3d94b3db2a3a01128cd2a4366191b81bf84","abstract_canon_sha256":"f70e6ba18a7868c448a9203b26db2d847488b107bac7924894dbca3fb62ebd7e"},"schema_version":"1.0"},"canonical_sha256":"72325e75efba494e1de6b69cbc9837e133c4c4d1079f4e1fa3c91afefc771387","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:23.479198Z","signature_b64":"0ulkTIpMZ9RFzIpX2IbNAfPuDvUx8WMLQ2XfHgbcgmOeUU0gZIzKZlukw4La395X22dbMWWXPJGZ/rgeDf60Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"72325e75efba494e1de6b69cbc9837e133c4c4d1079f4e1fa3c91afefc771387","last_reissued_at":"2026-05-17T23:53:23.478727Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:23.478727Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.06988","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":"2026-05-17T23:53:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MrIotrHf58ZtNaSZXH76SSit+SDLPiIozC07f9X1UenisXIu5jfZmsOZgvcUi5uN/cytqWyijBfHdKLQ/2x8DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:36:01.132759Z"},"content_sha256":"f29b9493feed6ad1fad1fc02835a7dcc6b56e4e5792e032e0ac945927eea676b","schema_version":"1.0","event_id":"sha256:f29b9493feed6ad1fad1fc02835a7dcc6b56e4e5792e032e0ac945927eea676b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:OIZF45PPXJEU4HPGW2OLZGBX4E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gravitational waveforms from SpEC simulations : neutron star-neutron star and low-mass black hole-neutron star binaries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Alessandra Buonanno, Andrew R. Williamson, Daniel A. Hemberger, Francois Foucart, Harald P. Pfeiffer, Jesus Caro, Lawrence E. Kidder, Mark A. Scheel, Matthew D. Duez, Michael Boyle, Roland Haas, Tanja Hinderer","submitted_at":"2018-12-17T19:00:04Z","abstract_excerpt":"Gravitational waveforms from numerical simulations are a critical tool to test and analytically calibrate the waveform models used to study the properties of merging compact objects. In this paper, we present a series of high-accuracy waveforms produced with the SpEC code for systems involving at least one neutron star. We provide for the first time waveforms with sub-radian accuracy over more than twenty cycles for low-mass black hole-neutron star binaries, including binaries with non-spinning objects, and binaries with rapidly spinning neutron stars that maximize the impact on the gravitatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.06988","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":"2026-05-17T23:53:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jNJBkHfxTFoyc0zE98WvFBIGXJMTWKFlDu+/dxfP7QWkYmIPUjARmVi3J0zjv3XgXsA+bDetPEjDFppqw9jADw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:36:01.133109Z"},"content_sha256":"2c48390711dfe42626f868d4d9a3dc1a1c8e4382d2eb16fef10786356ea0a39c","schema_version":"1.0","event_id":"sha256:2c48390711dfe42626f868d4d9a3dc1a1c8e4382d2eb16fef10786356ea0a39c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OIZF45PPXJEU4HPGW2OLZGBX4E/bundle.json","state_url":"https://pith.science/pith/OIZF45PPXJEU4HPGW2OLZGBX4E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OIZF45PPXJEU4HPGW2OLZGBX4E/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":"2026-06-03T06:36:01Z","links":{"resolver":"https://pith.science/pith/OIZF45PPXJEU4HPGW2OLZGBX4E","bundle":"https://pith.science/pith/OIZF45PPXJEU4HPGW2OLZGBX4E/bundle.json","state":"https://pith.science/pith/OIZF45PPXJEU4HPGW2OLZGBX4E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OIZF45PPXJEU4HPGW2OLZGBX4E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:OIZF45PPXJEU4HPGW2OLZGBX4E","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":"f70e6ba18a7868c448a9203b26db2d847488b107bac7924894dbca3fb62ebd7e","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-12-17T19:00:04Z","title_canon_sha256":"5ff2812a4d4961137306c8d33d2ab3d94b3db2a3a01128cd2a4366191b81bf84"},"schema_version":"1.0","source":{"id":"1812.06988","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.06988","created_at":"2026-05-17T23:53:23Z"},{"alias_kind":"arxiv_version","alias_value":"1812.06988v1","created_at":"2026-05-17T23:53:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.06988","created_at":"2026-05-17T23:53:23Z"},{"alias_kind":"pith_short_12","alias_value":"OIZF45PPXJEU","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"OIZF45PPXJEU4HPG","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"OIZF45PP","created_at":"2026-05-18T12:32:43Z"}],"graph_snapshots":[{"event_id":"sha256:2c48390711dfe42626f868d4d9a3dc1a1c8e4382d2eb16fef10786356ea0a39c","target":"graph","created_at":"2026-05-17T23:53:23Z","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":"Gravitational waveforms from numerical simulations are a critical tool to test and analytically calibrate the waveform models used to study the properties of merging compact objects. In this paper, we present a series of high-accuracy waveforms produced with the SpEC code for systems involving at least one neutron star. We provide for the first time waveforms with sub-radian accuracy over more than twenty cycles for low-mass black hole-neutron star binaries, including binaries with non-spinning objects, and binaries with rapidly spinning neutron stars that maximize the impact on the gravitatio","authors_text":"Alessandra Buonanno, Andrew R. Williamson, Daniel A. Hemberger, Francois Foucart, Harald P. Pfeiffer, Jesus Caro, Lawrence E. Kidder, Mark A. Scheel, Matthew D. Duez, Michael Boyle, Roland Haas, Tanja Hinderer","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-12-17T19:00:04Z","title":"Gravitational waveforms from SpEC simulations : neutron star-neutron star and low-mass black hole-neutron star binaries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.06988","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:f29b9493feed6ad1fad1fc02835a7dcc6b56e4e5792e032e0ac945927eea676b","target":"record","created_at":"2026-05-17T23:53:23Z","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":"f70e6ba18a7868c448a9203b26db2d847488b107bac7924894dbca3fb62ebd7e","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-12-17T19:00:04Z","title_canon_sha256":"5ff2812a4d4961137306c8d33d2ab3d94b3db2a3a01128cd2a4366191b81bf84"},"schema_version":"1.0","source":{"id":"1812.06988","kind":"arxiv","version":1}},"canonical_sha256":"72325e75efba494e1de6b69cbc9837e133c4c4d1079f4e1fa3c91afefc771387","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"72325e75efba494e1de6b69cbc9837e133c4c4d1079f4e1fa3c91afefc771387","first_computed_at":"2026-05-17T23:53:23.478727Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:23.478727Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0ulkTIpMZ9RFzIpX2IbNAfPuDvUx8WMLQ2XfHgbcgmOeUU0gZIzKZlukw4La395X22dbMWWXPJGZ/rgeDf60Ag==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:23.479198Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.06988","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f29b9493feed6ad1fad1fc02835a7dcc6b56e4e5792e032e0ac945927eea676b","sha256:2c48390711dfe42626f868d4d9a3dc1a1c8e4382d2eb16fef10786356ea0a39c"],"state_sha256":"438f270ccaa28030c5adbd0f788e72b21745c37c127259b99cf011f6b9d8b602"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ocElzhNn17N6XBjVVrcmI0Svuad60jjnW1CD5gUXFiCAkhRl2br6cpXQO54VhfMduQ+nKneoTJZYhhNyWiYZDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T06:36:01.135088Z","bundle_sha256":"710127e2eeeb4f1179685ce16829ee91eb84018662aeef86f2ea801eda563a00"}}