{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:D5E2MBAZPOSI2HVDKNOQ43XXCG","short_pith_number":"pith:D5E2MBAZ","canonical_record":{"source":{"id":"astro-ph/0307306","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-07-16T07:55:23Z","cross_cats_sorted":[],"title_canon_sha256":"182ae0566e263e2320910a762876a1c7b08c63ab5c8387625b34c36d5d6ff58c","abstract_canon_sha256":"fe2bc23bec562cbd44b25f5e7216b5178bd6b231b69a8943f7e28c9bbcf18599"},"schema_version":"1.0"},"canonical_sha256":"1f49a604197ba48d1ea3535d0e6ef711a1ca0619c6df59b3766e5317a142458d","source":{"kind":"arxiv","id":"astro-ph/0307306","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0307306","created_at":"2026-07-04T16:51:18Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0307306v2","created_at":"2026-07-04T16:51:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0307306","created_at":"2026-07-04T16:51:18Z"},{"alias_kind":"pith_short_12","alias_value":"D5E2MBAZPOSI","created_at":"2026-07-04T16:51:18Z"},{"alias_kind":"pith_short_16","alias_value":"D5E2MBAZPOSI2HVD","created_at":"2026-07-04T16:51:18Z"},{"alias_kind":"pith_short_8","alias_value":"D5E2MBAZ","created_at":"2026-07-04T16:51:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:D5E2MBAZPOSI2HVDKNOQ43XXCG","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0307306","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-07-16T07:55:23Z","cross_cats_sorted":[],"title_canon_sha256":"182ae0566e263e2320910a762876a1c7b08c63ab5c8387625b34c36d5d6ff58c","abstract_canon_sha256":"fe2bc23bec562cbd44b25f5e7216b5178bd6b231b69a8943f7e28c9bbcf18599"},"schema_version":"1.0"},"canonical_sha256":"1f49a604197ba48d1ea3535d0e6ef711a1ca0619c6df59b3766e5317a142458d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:51:18.362776Z","signature_b64":"Zg6HBw1V6BKB7x2Tcu9wkRWD/9sTkpL4+Jbr0IjNYpnXvS4Ur4e81V+plbGWDbY6aI6Jo3UpyRuTmEG8mx2wBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f49a604197ba48d1ea3535d0e6ef711a1ca0619c6df59b3766e5317a142458d","last_reissued_at":"2026-07-04T16:51:18.362361Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:51:18.362361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0307306","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":"2026-07-04T16:51:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N+LjrmxM6mzJmpSVIh9nR94hF57qwQe2FxrmIOAXM1hQiC1uRIvnV2cAVRso2oFWjQoCwjYwQRe+fiNfXGeXDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:28:55.220495Z"},"content_sha256":"4f436aa497228c18055f36b65a421190bc8366f2e65c820701b0188f167513ba","schema_version":"1.0","event_id":"sha256:4f436aa497228c18055f36b65a421190bc8366f2e65c820701b0188f167513ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:D5E2MBAZPOSI2HVDKNOQ43XXCG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetohydrodynamical Accretion Flows: Formation of Magnetic Tower Jet and Subsequent Quasi-Steady State","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Kazunari Shibata, Shin Mineshige, Yoshiaki Kato","submitted_at":"2003-07-16T07:55:23Z","abstract_excerpt":"We present three-dimensional (3-D) magnetohydrodynamical (MHD) simulations of radiatively inefficient accretion flow around black holes. General relativistic effects are simulated by using the pseudo-Newtonian potential. We start calculations with a rotating torus threaded by localized poloidal magnetic fields with plasma beta, a ratio of the gas pressure to the magnetic pressure, $\\beta =10$ and 100. When the bulk of torus material reaches the innermost region close to a central black hole, a magnetically driven jet emerges. This magnetic jet is derived by vertically inflating toroidal fields"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0307306","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/astro-ph/0307306/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":"2026-07-04T16:51:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hcA9faOdfKV/2UrqAMnCS3eN4gJltX2cpjX5DvGTHf35ONFYPqiwStn3PJ4K1aOZzOS0/gLhuGrppKzYDdFiDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:28:55.221422Z"},"content_sha256":"f415f51aa48d88d93a8be8b4d33ba1ab49b38985035f954a77c11857f9451f2e","schema_version":"1.0","event_id":"sha256:f415f51aa48d88d93a8be8b4d33ba1ab49b38985035f954a77c11857f9451f2e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D5E2MBAZPOSI2HVDKNOQ43XXCG/bundle.json","state_url":"https://pith.science/pith/D5E2MBAZPOSI2HVDKNOQ43XXCG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D5E2MBAZPOSI2HVDKNOQ43XXCG/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":"2026-08-03T17:28:55Z","links":{"resolver":"https://pith.science/pith/D5E2MBAZPOSI2HVDKNOQ43XXCG","bundle":"https://pith.science/pith/D5E2MBAZPOSI2HVDKNOQ43XXCG/bundle.json","state":"https://pith.science/pith/D5E2MBAZPOSI2HVDKNOQ43XXCG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D5E2MBAZPOSI2HVDKNOQ43XXCG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:D5E2MBAZPOSI2HVDKNOQ43XXCG","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":"fe2bc23bec562cbd44b25f5e7216b5178bd6b231b69a8943f7e28c9bbcf18599","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-07-16T07:55:23Z","title_canon_sha256":"182ae0566e263e2320910a762876a1c7b08c63ab5c8387625b34c36d5d6ff58c"},"schema_version":"1.0","source":{"id":"astro-ph/0307306","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0307306","created_at":"2026-07-04T16:51:18Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0307306v2","created_at":"2026-07-04T16:51:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0307306","created_at":"2026-07-04T16:51:18Z"},{"alias_kind":"pith_short_12","alias_value":"D5E2MBAZPOSI","created_at":"2026-07-04T16:51:18Z"},{"alias_kind":"pith_short_16","alias_value":"D5E2MBAZPOSI2HVD","created_at":"2026-07-04T16:51:18Z"},{"alias_kind":"pith_short_8","alias_value":"D5E2MBAZ","created_at":"2026-07-04T16:51:18Z"}],"graph_snapshots":[{"event_id":"sha256:f415f51aa48d88d93a8be8b4d33ba1ab49b38985035f954a77c11857f9451f2e","target":"graph","created_at":"2026-07-04T16:51:18Z","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/astro-ph/0307306/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present three-dimensional (3-D) magnetohydrodynamical (MHD) simulations of radiatively inefficient accretion flow around black holes. General relativistic effects are simulated by using the pseudo-Newtonian potential. We start calculations with a rotating torus threaded by localized poloidal magnetic fields with plasma beta, a ratio of the gas pressure to the magnetic pressure, $\\beta =10$ and 100. When the bulk of torus material reaches the innermost region close to a central black hole, a magnetically driven jet emerges. This magnetic jet is derived by vertically inflating toroidal fields","authors_text":"Kazunari Shibata, Shin Mineshige, Yoshiaki Kato","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-07-16T07:55:23Z","title":"Magnetohydrodynamical Accretion Flows: Formation of Magnetic Tower Jet and Subsequent Quasi-Steady State"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0307306","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":"sha256:4f436aa497228c18055f36b65a421190bc8366f2e65c820701b0188f167513ba","target":"record","created_at":"2026-07-04T16:51:18Z","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":"fe2bc23bec562cbd44b25f5e7216b5178bd6b231b69a8943f7e28c9bbcf18599","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-07-16T07:55:23Z","title_canon_sha256":"182ae0566e263e2320910a762876a1c7b08c63ab5c8387625b34c36d5d6ff58c"},"schema_version":"1.0","source":{"id":"astro-ph/0307306","kind":"arxiv","version":2}},"canonical_sha256":"1f49a604197ba48d1ea3535d0e6ef711a1ca0619c6df59b3766e5317a142458d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1f49a604197ba48d1ea3535d0e6ef711a1ca0619c6df59b3766e5317a142458d","first_computed_at":"2026-07-04T16:51:18.362361Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:51:18.362361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zg6HBw1V6BKB7x2Tcu9wkRWD/9sTkpL4+Jbr0IjNYpnXvS4Ur4e81V+plbGWDbY6aI6Jo3UpyRuTmEG8mx2wBg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:51:18.362776Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0307306","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f436aa497228c18055f36b65a421190bc8366f2e65c820701b0188f167513ba","sha256:f415f51aa48d88d93a8be8b4d33ba1ab49b38985035f954a77c11857f9451f2e"],"state_sha256":"386b1d9954e8c96454090b6231e3b08f1c56e8f3731634c0206175eba907736c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AOD8gJ64dRycWfexeUjbhvXVpX7rCk3+3lPWiUeEcc8V1tHMm4ccY5b9o/PC2RY1efo5PjXKr234dhtbwWK4Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T17:28:55.227287Z","bundle_sha256":"907f8a0537c051c913b234b92c3bd0175c3a10c04c2100633cb37f262dd0873a"}}