{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:DHY2SXB7O67KDYRSJGP4LABLEN","short_pith_number":"pith:DHY2SXB7","schema_version":"1.0","canonical_sha256":"19f1a95c3f77bea1e232499fc5802b23432baaf2a4bb3177b13735777745339c","source":{"kind":"arxiv","id":"1109.4149","version":2},"attestation_state":"computed","paper":{"title":"On the efficiency of the Blandford-Znajek mechanism for low angular momentum relativistic accretion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA","gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Bozena Czerny, Tapas K. Das","submitted_at":"2011-09-19T20:00:15Z","abstract_excerpt":"Blandford-Znajek (BZ) mechanism has usually been studied in the literature for accretion with considerably high angular momentum leading either to the formation of a cold Keplerian disc, or a hot and geometrically thick sub-Keplerian flow as described within the framework of ADAF/RIAF. However, in nearby elliptical galaxies, as well as for our own Galactic centre, accretion with very low angular momentum is prevalent. Such quasi-spherical strongly sub-Keplerian accretion has complex dynamical features and can accommodate stationary shocks. In this letter, we present our calculation for the max"},"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":"1109.4149","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-09-19T20:00:15Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","gr-qc"],"title_canon_sha256":"f6bc47c6e94792197db7585ded08d556e435d3b20fe4f15e36ec8b6c790962ca","abstract_canon_sha256":"3e5eaaba30889061f435e515b861b72ad53b6c2e583b9ca7ca71aafad6557fde"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:29.087405Z","signature_b64":"p41OU/0ch+h6SVR4yU+opg1dQAxTlSnkN+oVaIKZp2MLr9Eb+clvRhkG6qdEsKE/nN9SyN9KlZ1II6epOppAAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"19f1a95c3f77bea1e232499fc5802b23432baaf2a4bb3177b13735777745339c","last_reissued_at":"2026-05-18T02:00:29.086908Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:29.086908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the efficiency of the Blandford-Znajek mechanism for low angular momentum relativistic accretion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA","gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Bozena Czerny, Tapas K. Das","submitted_at":"2011-09-19T20:00:15Z","abstract_excerpt":"Blandford-Znajek (BZ) mechanism has usually been studied in the literature for accretion with considerably high angular momentum leading either to the formation of a cold Keplerian disc, or a hot and geometrically thick sub-Keplerian flow as described within the framework of ADAF/RIAF. However, in nearby elliptical galaxies, as well as for our own Galactic centre, accretion with very low angular momentum is prevalent. Such quasi-spherical strongly sub-Keplerian accretion has complex dynamical features and can accommodate stationary shocks. In this letter, we present our calculation for the max"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.4149","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":""},"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":"1109.4149","created_at":"2026-05-18T02:00:29.086982+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.4149v2","created_at":"2026-05-18T02:00:29.086982+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.4149","created_at":"2026-05-18T02:00:29.086982+00:00"},{"alias_kind":"pith_short_12","alias_value":"DHY2SXB7O67K","created_at":"2026-05-18T12:26:26.731475+00:00"},{"alias_kind":"pith_short_16","alias_value":"DHY2SXB7O67KDYRS","created_at":"2026-05-18T12:26:26.731475+00:00"},{"alias_kind":"pith_short_8","alias_value":"DHY2SXB7","created_at":"2026-05-18T12:26:26.731475+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/DHY2SXB7O67KDYRSJGP4LABLEN","json":"https://pith.science/pith/DHY2SXB7O67KDYRSJGP4LABLEN.json","graph_json":"https://pith.science/api/pith-number/DHY2SXB7O67KDYRSJGP4LABLEN/graph.json","events_json":"https://pith.science/api/pith-number/DHY2SXB7O67KDYRSJGP4LABLEN/events.json","paper":"https://pith.science/paper/DHY2SXB7"},"agent_actions":{"view_html":"https://pith.science/pith/DHY2SXB7O67KDYRSJGP4LABLEN","download_json":"https://pith.science/pith/DHY2SXB7O67KDYRSJGP4LABLEN.json","view_paper":"https://pith.science/paper/DHY2SXB7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.4149&json=true","fetch_graph":"https://pith.science/api/pith-number/DHY2SXB7O67KDYRSJGP4LABLEN/graph.json","fetch_events":"https://pith.science/api/pith-number/DHY2SXB7O67KDYRSJGP4LABLEN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DHY2SXB7O67KDYRSJGP4LABLEN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DHY2SXB7O67KDYRSJGP4LABLEN/action/storage_attestation","attest_author":"https://pith.science/pith/DHY2SXB7O67KDYRSJGP4LABLEN/action/author_attestation","sign_citation":"https://pith.science/pith/DHY2SXB7O67KDYRSJGP4LABLEN/action/citation_signature","submit_replication":"https://pith.science/pith/DHY2SXB7O67KDYRSJGP4LABLEN/action/replication_record"}},"created_at":"2026-05-18T02:00:29.086982+00:00","updated_at":"2026-05-18T02:00:29.086982+00:00"}