{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:CGPF2MQRMAEYGNEIOP4CH4Z2UG","short_pith_number":"pith:CGPF2MQR","schema_version":"1.0","canonical_sha256":"119e5d3211600983348873f823f33aa194c3b97399a51bad4645550ab949a8d7","source":{"kind":"arxiv","id":"1805.11039","version":1},"attestation_state":"computed","paper":{"title":"Physics of Pair Producing Gaps in Black Hole Magnetospheres","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Alexander Y. Chen, Huan Yang, Yajie Yuan","submitted_at":"2018-05-28T16:46:37Z","abstract_excerpt":"In some low-luminosity accreting supermassive black hole systems, the supply of plasma in the funnel region can be a problem. It is believed that a local region with unscreened electric field can exist in the black hole magnetosphere, accelerating particles and producing high energy gamma-rays that can create $e^{\\pm}$ pairs. We carry out time-dependent self-consistent 1D PIC simulations of this process, including inverse Compton scattering and photon tracking. We find a highly time-dependent solution where a macroscopic gap opens quasi-periodically to create $e^{\\pm}$ pairs and high energy ra"},"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":"1805.11039","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-05-28T16:46:37Z","cross_cats_sorted":[],"title_canon_sha256":"0cbd816f27534fa143406372d89b32171da85cd99b95746a968fca65b65624e1","abstract_canon_sha256":"f8b0fc5ce7fab15d52d010b92b200246eb39b78f792f5e3b11dc56e7196dfd5c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:06.998720Z","signature_b64":"7YvA7mKbZH4S7YTdq+d/X6xBZcRAK208pJErGBDj2zseSMHWWU4kgvtttC2s9OJ2SsADktLiIiJ/F++7fEX9Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"119e5d3211600983348873f823f33aa194c3b97399a51bad4645550ab949a8d7","last_reissued_at":"2026-05-18T00:07:06.998013Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:06.998013Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Physics of Pair Producing Gaps in Black Hole Magnetospheres","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Alexander Y. Chen, Huan Yang, Yajie Yuan","submitted_at":"2018-05-28T16:46:37Z","abstract_excerpt":"In some low-luminosity accreting supermassive black hole systems, the supply of plasma in the funnel region can be a problem. It is believed that a local region with unscreened electric field can exist in the black hole magnetosphere, accelerating particles and producing high energy gamma-rays that can create $e^{\\pm}$ pairs. We carry out time-dependent self-consistent 1D PIC simulations of this process, including inverse Compton scattering and photon tracking. We find a highly time-dependent solution where a macroscopic gap opens quasi-periodically to create $e^{\\pm}$ pairs and high energy ra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.11039","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":"1805.11039","created_at":"2026-05-18T00:07:06.998118+00:00"},{"alias_kind":"arxiv_version","alias_value":"1805.11039v1","created_at":"2026-05-18T00:07:06.998118+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.11039","created_at":"2026-05-18T00:07:06.998118+00:00"},{"alias_kind":"pith_short_12","alias_value":"CGPF2MQRMAEY","created_at":"2026-05-18T12:32:16.446611+00:00"},{"alias_kind":"pith_short_16","alias_value":"CGPF2MQRMAEYGNEI","created_at":"2026-05-18T12:32:16.446611+00:00"},{"alias_kind":"pith_short_8","alias_value":"CGPF2MQR","created_at":"2026-05-18T12:32:16.446611+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/CGPF2MQRMAEYGNEIOP4CH4Z2UG","json":"https://pith.science/pith/CGPF2MQRMAEYGNEIOP4CH4Z2UG.json","graph_json":"https://pith.science/api/pith-number/CGPF2MQRMAEYGNEIOP4CH4Z2UG/graph.json","events_json":"https://pith.science/api/pith-number/CGPF2MQRMAEYGNEIOP4CH4Z2UG/events.json","paper":"https://pith.science/paper/CGPF2MQR"},"agent_actions":{"view_html":"https://pith.science/pith/CGPF2MQRMAEYGNEIOP4CH4Z2UG","download_json":"https://pith.science/pith/CGPF2MQRMAEYGNEIOP4CH4Z2UG.json","view_paper":"https://pith.science/paper/CGPF2MQR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1805.11039&json=true","fetch_graph":"https://pith.science/api/pith-number/CGPF2MQRMAEYGNEIOP4CH4Z2UG/graph.json","fetch_events":"https://pith.science/api/pith-number/CGPF2MQRMAEYGNEIOP4CH4Z2UG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CGPF2MQRMAEYGNEIOP4CH4Z2UG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CGPF2MQRMAEYGNEIOP4CH4Z2UG/action/storage_attestation","attest_author":"https://pith.science/pith/CGPF2MQRMAEYGNEIOP4CH4Z2UG/action/author_attestation","sign_citation":"https://pith.science/pith/CGPF2MQRMAEYGNEIOP4CH4Z2UG/action/citation_signature","submit_replication":"https://pith.science/pith/CGPF2MQRMAEYGNEIOP4CH4Z2UG/action/replication_record"}},"created_at":"2026-05-18T00:07:06.998118+00:00","updated_at":"2026-05-18T00:07:06.998118+00:00"}