{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:YNADSSDNB7SG3XUQST3KAK7DJL","short_pith_number":"pith:YNADSSDN","schema_version":"1.0","canonical_sha256":"c34039486d0fe46dde9094f6a02be34aeb24b22fb38a08f799e46046ec4e0315","source":{"kind":"arxiv","id":"1809.09397","version":1},"attestation_state":"computed","paper":{"title":"High-energy and very-high-energy emission from stellar-mass black holes moving in gaseous clouds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Albert K. H Kong, Dawoon Kim, Hsinhao Huang, Hung-Yi Pu, Kouichi Hirotani, Sabrina Outmani, Satoki Matsushita, Yoogeun Song","submitted_at":"2018-09-25T10:22:14Z","abstract_excerpt":"We investigate the electron-positron pair cascade taking place in the magnetosphere of a rapidly rotating black hole. Because of the spacetime frame dragging, the Goldreich-Julian charge density changes sign in the vicinity of the event horizon, which leads to an occurrence of a magnetic-field aligned electric field, in the same way as the pulsar outer-magnetospheric accelerator. In this lepton accelerator, electrons and positrons are accelerated in the opposite directions, to emit copious gamma-rays via the curvature and inverse-Compton processes. We examine a stationary pair cascade, and sho"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1809.09397","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-09-25T10:22:14Z","cross_cats_sorted":[],"title_canon_sha256":"6e5c6a54282d92a477303365d5ee723383499358f4499837b969ba3393984263","abstract_canon_sha256":"ff6aa7683fb3df3450d58ad778c560e51e923f12e58d9b1cbde04aa5e726de9c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:49.708809Z","signature_b64":"gQbVuQ3/d4G4MNy0VHlUC7Pl5M2DKaaf0uakcS1ffHcSMUfmQ+Ha9U1SjsXoiE+7j/kLVAYiFTppTqURW99NBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c34039486d0fe46dde9094f6a02be34aeb24b22fb38a08f799e46046ec4e0315","last_reissued_at":"2026-05-18T00:00:49.708114Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:49.708114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"High-energy and very-high-energy emission from stellar-mass black holes moving in gaseous clouds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Albert K. H Kong, Dawoon Kim, Hsinhao Huang, Hung-Yi Pu, Kouichi Hirotani, Sabrina Outmani, Satoki Matsushita, Yoogeun Song","submitted_at":"2018-09-25T10:22:14Z","abstract_excerpt":"We investigate the electron-positron pair cascade taking place in the magnetosphere of a rapidly rotating black hole. Because of the spacetime frame dragging, the Goldreich-Julian charge density changes sign in the vicinity of the event horizon, which leads to an occurrence of a magnetic-field aligned electric field, in the same way as the pulsar outer-magnetospheric accelerator. In this lepton accelerator, electrons and positrons are accelerated in the opposite directions, to emit copious gamma-rays via the curvature and inverse-Compton processes. We examine a stationary pair cascade, and sho"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.09397","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1809.09397","created_at":"2026-05-18T00:00:49.708213+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.09397v1","created_at":"2026-05-18T00:00:49.708213+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.09397","created_at":"2026-05-18T00:00:49.708213+00:00"},{"alias_kind":"pith_short_12","alias_value":"YNADSSDNB7SG","created_at":"2026-05-18T12:33:04.347982+00:00"},{"alias_kind":"pith_short_16","alias_value":"YNADSSDNB7SG3XUQ","created_at":"2026-05-18T12:33:04.347982+00:00"},{"alias_kind":"pith_short_8","alias_value":"YNADSSDN","created_at":"2026-05-18T12:33:04.347982+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YNADSSDNB7SG3XUQST3KAK7DJL","json":"https://pith.science/pith/YNADSSDNB7SG3XUQST3KAK7DJL.json","graph_json":"https://pith.science/api/pith-number/YNADSSDNB7SG3XUQST3KAK7DJL/graph.json","events_json":"https://pith.science/api/pith-number/YNADSSDNB7SG3XUQST3KAK7DJL/events.json","paper":"https://pith.science/paper/YNADSSDN"},"agent_actions":{"view_html":"https://pith.science/pith/YNADSSDNB7SG3XUQST3KAK7DJL","download_json":"https://pith.science/pith/YNADSSDNB7SG3XUQST3KAK7DJL.json","view_paper":"https://pith.science/paper/YNADSSDN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.09397&json=true","fetch_graph":"https://pith.science/api/pith-number/YNADSSDNB7SG3XUQST3KAK7DJL/graph.json","fetch_events":"https://pith.science/api/pith-number/YNADSSDNB7SG3XUQST3KAK7DJL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YNADSSDNB7SG3XUQST3KAK7DJL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YNADSSDNB7SG3XUQST3KAK7DJL/action/storage_attestation","attest_author":"https://pith.science/pith/YNADSSDNB7SG3XUQST3KAK7DJL/action/author_attestation","sign_citation":"https://pith.science/pith/YNADSSDNB7SG3XUQST3KAK7DJL/action/citation_signature","submit_replication":"https://pith.science/pith/YNADSSDNB7SG3XUQST3KAK7DJL/action/replication_record"}},"created_at":"2026-05-18T00:00:49.708213+00:00","updated_at":"2026-05-18T00:00:49.708213+00:00"}