{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:HURSMFBL5FHCTL56WX5IIMVFC6","short_pith_number":"pith:HURSMFBL","canonical_record":{"source":{"id":"1108.0412","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-08-01T20:00:01Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"fd275da6dc7f3947cce3db3a97c3404b504e8624eadafb531c5cca6ecf19b650","abstract_canon_sha256":"173ce45f5a7bc354ac13c2d87e232eae693d688ff221efdd06ec26ce9023ab65"},"schema_version":"1.0"},"canonical_sha256":"3d2326142be94e29afbeb5fa8432a5179b2850d53edb2612f7fd639d7ed3cc3d","source":{"kind":"arxiv","id":"1108.0412","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.0412","created_at":"2026-05-18T02:01:04Z"},{"alias_kind":"arxiv_version","alias_value":"1108.0412v2","created_at":"2026-05-18T02:01:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.0412","created_at":"2026-05-18T02:01:04Z"},{"alias_kind":"pith_short_12","alias_value":"HURSMFBL5FHC","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"HURSMFBL5FHCTL56","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"HURSMFBL","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:HURSMFBL5FHCTL56WX5IIMVFC6","target":"record","payload":{"canonical_record":{"source":{"id":"1108.0412","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-08-01T20:00:01Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"fd275da6dc7f3947cce3db3a97c3404b504e8624eadafb531c5cca6ecf19b650","abstract_canon_sha256":"173ce45f5a7bc354ac13c2d87e232eae693d688ff221efdd06ec26ce9023ab65"},"schema_version":"1.0"},"canonical_sha256":"3d2326142be94e29afbeb5fa8432a5179b2850d53edb2612f7fd639d7ed3cc3d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:04.695891Z","signature_b64":"bO2JIzgBh6TOABTFRrT7sIDP14mFZmMjwBy+eoHeod2GR5XpC4v2CX61w7oZ9g9ec+bwtTfug+0wrcga0XYTDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3d2326142be94e29afbeb5fa8432a5179b2850d53edb2612f7fd639d7ed3cc3d","last_reissued_at":"2026-05-18T02:01:04.695070Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:04.695070Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.0412","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":"2026-05-18T02:01:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PMOF7M+II2uZlKIw4yUeoz1rpajt0FFtg/7lG5mButfgyEE1wRvbsGNiFp8/1FHlcsbri17QhGqac1PgEwOUCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:58:57.440288Z"},"content_sha256":"1b3562364b893068d7ab7351d897a398b94f25c426491d9e4f7c61983eb6c52d","schema_version":"1.0","event_id":"sha256:1b3562364b893068d7ab7351d897a398b94f25c426491d9e4f7c61983eb6c52d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:HURSMFBL5FHCTL56WX5IIMVFC6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Efficient Generation of Jets from Magnetically Arrested Accretion on a Rapidly Spinning Black Hole","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.HE","authors_text":"(2) Harvard, (3) Stanford), Alexander Tchekhovskoy (1), Jonathan C. McKinney (3) ((1) Princeton, Ramesh Narayan (2)","submitted_at":"2011-08-01T20:00:01Z","abstract_excerpt":"We describe global, 3D, time-dependent, non-radiative, general-relativistic, magnetohydrodynamic simulations of accreting black holes (BHs). The simulations are designed to transport a large amount of magnetic flux to the center, more than the accreting gas can force into the BH. The excess magnetic flux remains outside the BH, impedes accretion, and leads to a magnetically arrested disc. We find powerful outflows. For a BH with spin parameter a = 0.5, the efficiency with which the accretion system generates outflowing energy in jets and winds is eta ~ 30%. For a = 0.99, we find eta ~ 140%, wh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.0412","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:01:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R1fp9S+Fi/Ap5p0yG7jasB1xF9OhZaFZERkjCLh7qrfyPZaq//WHRT3w//zNVC1R6Qjk/nMpHrkVJLx3R/GBAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:58:57.440653Z"},"content_sha256":"c635a0c2cf9a878878d85581b269d2d9b51808e934e1065c58811904a73d2361","schema_version":"1.0","event_id":"sha256:c635a0c2cf9a878878d85581b269d2d9b51808e934e1065c58811904a73d2361"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HURSMFBL5FHCTL56WX5IIMVFC6/bundle.json","state_url":"https://pith.science/pith/HURSMFBL5FHCTL56WX5IIMVFC6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HURSMFBL5FHCTL56WX5IIMVFC6/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":"2026-05-27T22:58:57Z","links":{"resolver":"https://pith.science/pith/HURSMFBL5FHCTL56WX5IIMVFC6","bundle":"https://pith.science/pith/HURSMFBL5FHCTL56WX5IIMVFC6/bundle.json","state":"https://pith.science/pith/HURSMFBL5FHCTL56WX5IIMVFC6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HURSMFBL5FHCTL56WX5IIMVFC6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:HURSMFBL5FHCTL56WX5IIMVFC6","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":"173ce45f5a7bc354ac13c2d87e232eae693d688ff221efdd06ec26ce9023ab65","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-08-01T20:00:01Z","title_canon_sha256":"fd275da6dc7f3947cce3db3a97c3404b504e8624eadafb531c5cca6ecf19b650"},"schema_version":"1.0","source":{"id":"1108.0412","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.0412","created_at":"2026-05-18T02:01:04Z"},{"alias_kind":"arxiv_version","alias_value":"1108.0412v2","created_at":"2026-05-18T02:01:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.0412","created_at":"2026-05-18T02:01:04Z"},{"alias_kind":"pith_short_12","alias_value":"HURSMFBL5FHC","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"HURSMFBL5FHCTL56","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"HURSMFBL","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:c635a0c2cf9a878878d85581b269d2d9b51808e934e1065c58811904a73d2361","target":"graph","created_at":"2026-05-18T02:01:04Z","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":"We describe global, 3D, time-dependent, non-radiative, general-relativistic, magnetohydrodynamic simulations of accreting black holes (BHs). The simulations are designed to transport a large amount of magnetic flux to the center, more than the accreting gas can force into the BH. The excess magnetic flux remains outside the BH, impedes accretion, and leads to a magnetically arrested disc. We find powerful outflows. For a BH with spin parameter a = 0.5, the efficiency with which the accretion system generates outflowing energy in jets and winds is eta ~ 30%. For a = 0.99, we find eta ~ 140%, wh","authors_text":"(2) Harvard, (3) Stanford), Alexander Tchekhovskoy (1), Jonathan C. McKinney (3) ((1) Princeton, Ramesh Narayan (2)","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-08-01T20:00:01Z","title":"Efficient Generation of Jets from Magnetically Arrested Accretion on a Rapidly Spinning Black Hole"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.0412","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":"sha256:1b3562364b893068d7ab7351d897a398b94f25c426491d9e4f7c61983eb6c52d","target":"record","created_at":"2026-05-18T02:01:04Z","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":"173ce45f5a7bc354ac13c2d87e232eae693d688ff221efdd06ec26ce9023ab65","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-08-01T20:00:01Z","title_canon_sha256":"fd275da6dc7f3947cce3db3a97c3404b504e8624eadafb531c5cca6ecf19b650"},"schema_version":"1.0","source":{"id":"1108.0412","kind":"arxiv","version":2}},"canonical_sha256":"3d2326142be94e29afbeb5fa8432a5179b2850d53edb2612f7fd639d7ed3cc3d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3d2326142be94e29afbeb5fa8432a5179b2850d53edb2612f7fd639d7ed3cc3d","first_computed_at":"2026-05-18T02:01:04.695070Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:04.695070Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bO2JIzgBh6TOABTFRrT7sIDP14mFZmMjwBy+eoHeod2GR5XpC4v2CX61w7oZ9g9ec+bwtTfug+0wrcga0XYTDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:04.695891Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.0412","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b3562364b893068d7ab7351d897a398b94f25c426491d9e4f7c61983eb6c52d","sha256:c635a0c2cf9a878878d85581b269d2d9b51808e934e1065c58811904a73d2361"],"state_sha256":"18fd8a5ff233b938d46c89485d125ca906fb0876d92f5fab7fc64957fc5544b9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xNQNGhNNnxTQQt9dBbcfRM8KDS68rAO/0bfdmn4zAZMKMa4YgtIGN+aiTB3TTVc5r5dY3dcRvtMclR1UFjf8DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T22:58:57.442862Z","bundle_sha256":"5c26b3f9007bd6fcec17362944071c8e4c7441527b7bc320b9b0c4a489ea54f1"}}