{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:PIJ5NAFP54OQTTVEONIQG7C7JU","short_pith_number":"pith:PIJ5NAFP","canonical_record":{"source":{"id":"2101.12214","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-01-28T19:00:00Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"0815f432468af4ca8a4e5f4a858e78192dbc311b4d9d4162cc61e3fe42ae3b03","abstract_canon_sha256":"c3a188453264b58ac47028c331a06b8b8e2ab359eece47f1d3a80dc8bbf542bf"},"schema_version":"1.0"},"canonical_sha256":"7a13d680afef1d09cea47351037c5f4d2c500df92c4fbbefd50ecc6ade62929a","source":{"kind":"arxiv","id":"2101.12214","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.12214","created_at":"2026-07-05T02:37:09Z"},{"alias_kind":"arxiv_version","alias_value":"2101.12214v2","created_at":"2026-07-05T02:37:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.12214","created_at":"2026-07-05T02:37:09Z"},{"alias_kind":"pith_short_12","alias_value":"PIJ5NAFP54OQ","created_at":"2026-07-05T02:37:09Z"},{"alias_kind":"pith_short_16","alias_value":"PIJ5NAFP54OQTTVE","created_at":"2026-07-05T02:37:09Z"},{"alias_kind":"pith_short_8","alias_value":"PIJ5NAFP","created_at":"2026-07-05T02:37:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:PIJ5NAFP54OQTTVEONIQG7C7JU","target":"record","payload":{"canonical_record":{"source":{"id":"2101.12214","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-01-28T19:00:00Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"0815f432468af4ca8a4e5f4a858e78192dbc311b4d9d4162cc61e3fe42ae3b03","abstract_canon_sha256":"c3a188453264b58ac47028c331a06b8b8e2ab359eece47f1d3a80dc8bbf542bf"},"schema_version":"1.0"},"canonical_sha256":"7a13d680afef1d09cea47351037c5f4d2c500df92c4fbbefd50ecc6ade62929a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:37:09.598206Z","signature_b64":"x9GWJ8UltZUhtwADxopc5ntjoERhAR2ZcSJ8ppuYiG1e2OuPfVXPtGs9sQ3VYLvP4X6Dk3Fm8APQ88/kN3tdAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a13d680afef1d09cea47351037c5f4d2c500df92c4fbbefd50ecc6ade62929a","last_reissued_at":"2026-07-05T02:37:09.597681Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:37:09.597681Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2101.12214","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":"2026-07-05T02:37:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZOSph9VOK7kO72lJvF+tz+ATf2LkKR3lAM6l/Y1V+6pUKnL+/qKuTVIW3ip6myktRLyox2XwVoNRJZ5eC/aXDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T19:05:47.259773Z"},"content_sha256":"6b05235134aefb5c5d6499df41943d4397b5400bc890f5580acb4832c93592bf","schema_version":"1.0","event_id":"sha256:6b05235134aefb5c5d6499df41943d4397b5400bc890f5580acb4832c93592bf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:PIJ5NAFP54OQTTVEONIQG7C7JU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multimessenger signals from black hole-neutron star mergers without significant tidal disruption","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Carlos Palenzuela, Luis Lehner, Steven L. Liebling, William E. East","submitted_at":"2021-01-28T19:00:00Z","abstract_excerpt":"We study the multimessenger signals from the merger of a black hole with a magnetized neutron star using resistive magnetohydrodynamics simulations coupled to full general relativity. We focus on a case with a 5:1 mass ratio, where only a small amount of the neutron star matter remains post-merger, but we nevertheless find that significant electromagnetic radiation can be powered by the interaction of the neutron star's magnetosphere with the black hole. In the lead-up to merger, strong twisting of magnetic field lines from the inspiral leads to plasmoid emission and results in a luminosity in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.12214","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/2101.12214/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":"2026-07-05T02:37:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MuaoH8dzfJr9vBgam2BopVLXR8OTjH0NZdtVGHb8Cox9jGpVLV0LFdEFWLQOWlpmg4WQVJfkBoj+vU7U8c/qBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T19:05:47.260363Z"},"content_sha256":"fec7c52eaec93156981bea6cb025f012bfa534e8dec3f9ba7481fbcf3cd57de6","schema_version":"1.0","event_id":"sha256:fec7c52eaec93156981bea6cb025f012bfa534e8dec3f9ba7481fbcf3cd57de6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PIJ5NAFP54OQTTVEONIQG7C7JU/bundle.json","state_url":"https://pith.science/pith/PIJ5NAFP54OQTTVEONIQG7C7JU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PIJ5NAFP54OQTTVEONIQG7C7JU/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":"2026-08-04T19:05:47Z","links":{"resolver":"https://pith.science/pith/PIJ5NAFP54OQTTVEONIQG7C7JU","bundle":"https://pith.science/pith/PIJ5NAFP54OQTTVEONIQG7C7JU/bundle.json","state":"https://pith.science/pith/PIJ5NAFP54OQTTVEONIQG7C7JU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PIJ5NAFP54OQTTVEONIQG7C7JU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:PIJ5NAFP54OQTTVEONIQG7C7JU","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":"c3a188453264b58ac47028c331a06b8b8e2ab359eece47f1d3a80dc8bbf542bf","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-01-28T19:00:00Z","title_canon_sha256":"0815f432468af4ca8a4e5f4a858e78192dbc311b4d9d4162cc61e3fe42ae3b03"},"schema_version":"1.0","source":{"id":"2101.12214","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.12214","created_at":"2026-07-05T02:37:09Z"},{"alias_kind":"arxiv_version","alias_value":"2101.12214v2","created_at":"2026-07-05T02:37:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.12214","created_at":"2026-07-05T02:37:09Z"},{"alias_kind":"pith_short_12","alias_value":"PIJ5NAFP54OQ","created_at":"2026-07-05T02:37:09Z"},{"alias_kind":"pith_short_16","alias_value":"PIJ5NAFP54OQTTVE","created_at":"2026-07-05T02:37:09Z"},{"alias_kind":"pith_short_8","alias_value":"PIJ5NAFP","created_at":"2026-07-05T02:37:09Z"}],"graph_snapshots":[{"event_id":"sha256:fec7c52eaec93156981bea6cb025f012bfa534e8dec3f9ba7481fbcf3cd57de6","target":"graph","created_at":"2026-07-05T02:37:09Z","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/2101.12214/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the multimessenger signals from the merger of a black hole with a magnetized neutron star using resistive magnetohydrodynamics simulations coupled to full general relativity. We focus on a case with a 5:1 mass ratio, where only a small amount of the neutron star matter remains post-merger, but we nevertheless find that significant electromagnetic radiation can be powered by the interaction of the neutron star's magnetosphere with the black hole. In the lead-up to merger, strong twisting of magnetic field lines from the inspiral leads to plasmoid emission and results in a luminosity in","authors_text":"Carlos Palenzuela, Luis Lehner, Steven L. Liebling, William E. East","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-01-28T19:00:00Z","title":"Multimessenger signals from black hole-neutron star mergers without significant tidal disruption"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.12214","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":"sha256:6b05235134aefb5c5d6499df41943d4397b5400bc890f5580acb4832c93592bf","target":"record","created_at":"2026-07-05T02:37:09Z","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":"c3a188453264b58ac47028c331a06b8b8e2ab359eece47f1d3a80dc8bbf542bf","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-01-28T19:00:00Z","title_canon_sha256":"0815f432468af4ca8a4e5f4a858e78192dbc311b4d9d4162cc61e3fe42ae3b03"},"schema_version":"1.0","source":{"id":"2101.12214","kind":"arxiv","version":2}},"canonical_sha256":"7a13d680afef1d09cea47351037c5f4d2c500df92c4fbbefd50ecc6ade62929a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7a13d680afef1d09cea47351037c5f4d2c500df92c4fbbefd50ecc6ade62929a","first_computed_at":"2026-07-05T02:37:09.597681Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:37:09.597681Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x9GWJ8UltZUhtwADxopc5ntjoERhAR2ZcSJ8ppuYiG1e2OuPfVXPtGs9sQ3VYLvP4X6Dk3Fm8APQ88/kN3tdAg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:37:09.598206Z","signed_message":"canonical_sha256_bytes"},"source_id":"2101.12214","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6b05235134aefb5c5d6499df41943d4397b5400bc890f5580acb4832c93592bf","sha256:fec7c52eaec93156981bea6cb025f012bfa534e8dec3f9ba7481fbcf3cd57de6"],"state_sha256":"6b22daabf1b1faadba3eeb48daa8ab7a9aedb1df1c677a213b7e201f309a9b5d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d7KSUuAqGNOgivayZxKp5kr3XjV0YJgaEpGJH4vOlBEwOeEtsLoDAXCSYcF03Qri2SxxZo3Vm7dVVecakCInCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T19:05:47.265463Z","bundle_sha256":"99ec45f425216a7ca1726990603b6226510123f3fa49de3f71e47314d1af56c5"}}