{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:A4NK4JYQAPIJIDX2EENPPRW2PA","short_pith_number":"pith:A4NK4JYQ","canonical_record":{"source":{"id":"astro-ph/0201428","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-01-26T16:06:34Z","cross_cats_sorted":[],"title_canon_sha256":"0cde2942e8eee2957f7e7dfd3d7e341469c84c78a137fa96b93b6180b450f6d2","abstract_canon_sha256":"15cd05bf26558c63267349f09ac71732692940debbb060f909a21c454dfdbced"},"schema_version":"1.0"},"canonical_sha256":"071aae271003d0940efa211af7c6da782b1b34a51cc191c74ce6a21aeae5c446","source":{"kind":"arxiv","id":"astro-ph/0201428","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0201428","created_at":"2026-07-04T16:29:18Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0201428v2","created_at":"2026-07-04T16:29:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0201428","created_at":"2026-07-04T16:29:18Z"},{"alias_kind":"pith_short_12","alias_value":"A4NK4JYQAPIJ","created_at":"2026-07-04T16:29:18Z"},{"alias_kind":"pith_short_16","alias_value":"A4NK4JYQAPIJIDX2","created_at":"2026-07-04T16:29:18Z"},{"alias_kind":"pith_short_8","alias_value":"A4NK4JYQ","created_at":"2026-07-04T16:29:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:A4NK4JYQAPIJIDX2EENPPRW2PA","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0201428","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-01-26T16:06:34Z","cross_cats_sorted":[],"title_canon_sha256":"0cde2942e8eee2957f7e7dfd3d7e341469c84c78a137fa96b93b6180b450f6d2","abstract_canon_sha256":"15cd05bf26558c63267349f09ac71732692940debbb060f909a21c454dfdbced"},"schema_version":"1.0"},"canonical_sha256":"071aae271003d0940efa211af7c6da782b1b34a51cc191c74ce6a21aeae5c446","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:29:18.879419Z","signature_b64":"iTWuJjfcxKXuUHGaGUIRUyhCzZYAnL/d8r6Iu4sxCsHwj/16ZN1V8l9dKS38kvvighNqRnxzGy/rYm6w2ThmDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"071aae271003d0940efa211af7c6da782b1b34a51cc191c74ce6a21aeae5c446","last_reissued_at":"2026-07-04T16:29:18.879034Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:29:18.879034Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0201428","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":"2026-07-04T16:29:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"01F3WnKY7vG5ZIap2msT64SopOk8dYuttjLpukoh/gN4O7D6O68PBp9A1UQ29nlszE5OPcK7edg1QnoHMEbrCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T12:25:33.130048Z"},"content_sha256":"ba3eb0849ad5a9eb404c1294801a6eb8a9e41057da61a33e4365abaa80fb4314","schema_version":"1.0","event_id":"sha256:ba3eb0849ad5a9eb404c1294801a6eb8a9e41057da61a33e4365abaa80fb4314"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:A4NK4JYQAPIJIDX2EENPPRW2PA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Nature of Angular Momentum Transport in Nonradiative Accretion Flows","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"John F. Hawley (University of Virginia), Steven A. Balbus","submitted_at":"2002-01-26T16:06:34Z","abstract_excerpt":"The principles underlying a proposed class of black hole accretion models are examined. The flows are generally referred to as ``convection-dominated,'' and are characterized by inward transport of angular momentum by thermal convection and outward viscous transport, vanishing mass accretion, and vanishing local energy dissipation. We examine the viability of these ideas by explicitly calculating the leading order angular momentum transport of axisymmetric modes in magnetized, differentially rotating, stratified flows. The modes are destabilized by the generalized magnetorotational instability"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0201428","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/0201428/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":"2026-07-04T16:29:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bXqAsXFy5b0B5vTooWFG78rNsg+BuwKU9m3GPv3xl0CuvlHztSl7fKs5bbpbuw+v6c72l7ooy/chZjvCv1OcBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T12:25:33.130440Z"},"content_sha256":"c2a5163d7156af0db73b15e57106d7eb0222b535249c710b3cd653c23eb593db","schema_version":"1.0","event_id":"sha256:c2a5163d7156af0db73b15e57106d7eb0222b535249c710b3cd653c23eb593db"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A4NK4JYQAPIJIDX2EENPPRW2PA/bundle.json","state_url":"https://pith.science/pith/A4NK4JYQAPIJIDX2EENPPRW2PA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A4NK4JYQAPIJIDX2EENPPRW2PA/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":"2026-07-05T12:25:33Z","links":{"resolver":"https://pith.science/pith/A4NK4JYQAPIJIDX2EENPPRW2PA","bundle":"https://pith.science/pith/A4NK4JYQAPIJIDX2EENPPRW2PA/bundle.json","state":"https://pith.science/pith/A4NK4JYQAPIJIDX2EENPPRW2PA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A4NK4JYQAPIJIDX2EENPPRW2PA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:A4NK4JYQAPIJIDX2EENPPRW2PA","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":"15cd05bf26558c63267349f09ac71732692940debbb060f909a21c454dfdbced","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-01-26T16:06:34Z","title_canon_sha256":"0cde2942e8eee2957f7e7dfd3d7e341469c84c78a137fa96b93b6180b450f6d2"},"schema_version":"1.0","source":{"id":"astro-ph/0201428","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0201428","created_at":"2026-07-04T16:29:18Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0201428v2","created_at":"2026-07-04T16:29:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0201428","created_at":"2026-07-04T16:29:18Z"},{"alias_kind":"pith_short_12","alias_value":"A4NK4JYQAPIJ","created_at":"2026-07-04T16:29:18Z"},{"alias_kind":"pith_short_16","alias_value":"A4NK4JYQAPIJIDX2","created_at":"2026-07-04T16:29:18Z"},{"alias_kind":"pith_short_8","alias_value":"A4NK4JYQ","created_at":"2026-07-04T16:29:18Z"}],"graph_snapshots":[{"event_id":"sha256:c2a5163d7156af0db73b15e57106d7eb0222b535249c710b3cd653c23eb593db","target":"graph","created_at":"2026-07-04T16:29:18Z","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/0201428/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The principles underlying a proposed class of black hole accretion models are examined. The flows are generally referred to as ``convection-dominated,'' and are characterized by inward transport of angular momentum by thermal convection and outward viscous transport, vanishing mass accretion, and vanishing local energy dissipation. We examine the viability of these ideas by explicitly calculating the leading order angular momentum transport of axisymmetric modes in magnetized, differentially rotating, stratified flows. The modes are destabilized by the generalized magnetorotational instability","authors_text":"John F. Hawley (University of Virginia), Steven A. Balbus","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2002-01-26T16:06:34Z","title":"On the Nature of Angular Momentum Transport in Nonradiative Accretion Flows"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0201428","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:ba3eb0849ad5a9eb404c1294801a6eb8a9e41057da61a33e4365abaa80fb4314","target":"record","created_at":"2026-07-04T16:29:18Z","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":"15cd05bf26558c63267349f09ac71732692940debbb060f909a21c454dfdbced","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-01-26T16:06:34Z","title_canon_sha256":"0cde2942e8eee2957f7e7dfd3d7e341469c84c78a137fa96b93b6180b450f6d2"},"schema_version":"1.0","source":{"id":"astro-ph/0201428","kind":"arxiv","version":2}},"canonical_sha256":"071aae271003d0940efa211af7c6da782b1b34a51cc191c74ce6a21aeae5c446","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"071aae271003d0940efa211af7c6da782b1b34a51cc191c74ce6a21aeae5c446","first_computed_at":"2026-07-04T16:29:18.879034Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:29:18.879034Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iTWuJjfcxKXuUHGaGUIRUyhCzZYAnL/d8r6Iu4sxCsHwj/16ZN1V8l9dKS38kvvighNqRnxzGy/rYm6w2ThmDQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:29:18.879419Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0201428","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ba3eb0849ad5a9eb404c1294801a6eb8a9e41057da61a33e4365abaa80fb4314","sha256:c2a5163d7156af0db73b15e57106d7eb0222b535249c710b3cd653c23eb593db"],"state_sha256":"62447af2a07c136439bef648b225b7fb33dd71df88c3d4e761ebb1c792ade425"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i6bX/M+uvF7nQx2Dg3QyZwwFanr+UiBwibFUrzSDDbTSuEbznr0RNWqoG7p7rUVFtK+i/HwnTl2pqmfMCVb9BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T12:25:33.134168Z","bundle_sha256":"c0d514fc54231af3bee1decb5e5d05c9ea3af1430bfae693509495362497e8e0"}}