{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:EO356HUHPV3I27UFZPQHD3XMP4","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":"501919fa753129f4958d5dbff0adaafcd82049db3f893731dedbc27933f7038f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2008-01-14T21:34:41Z","title_canon_sha256":"d2ba79cff5d8c5c518d220da9a3d5616cef8384f6df5959df6f1631df742bb0d"},"schema_version":"1.0","source":{"id":"0801.2158","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0801.2158","created_at":"2026-07-04T17:08:28Z"},{"alias_kind":"arxiv_version","alias_value":"0801.2158v2","created_at":"2026-07-04T17:08:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0801.2158","created_at":"2026-07-04T17:08:28Z"},{"alias_kind":"pith_short_12","alias_value":"EO356HUHPV3I","created_at":"2026-07-04T17:08:28Z"},{"alias_kind":"pith_short_16","alias_value":"EO356HUHPV3I27UF","created_at":"2026-07-04T17:08:28Z"},{"alias_kind":"pith_short_8","alias_value":"EO356HUH","created_at":"2026-07-04T17:08:28Z"}],"graph_snapshots":[{"event_id":"sha256:7ac92b3b0e2576e9dd1ed090417ee104d6045dab2a62064d5f3520d2a88c83c9","target":"graph","created_at":"2026-07-04T17:08:28Z","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/0801.2158/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We show that a large-scale, weak magnetic field threading a turbulent accretion disk tends to be advected inward, contrary to previous suggestions that it will be stopped by outward diffusion. The efficient inward transport is a consequence of the diffuse, magnetically-dominated surface layers of the disk, where the turbulence is suppressed and the conductivity is very high. This structure arises naturally in three-dimensional simulations of magnetorotationally unstable disks, and we demonstrate here that it can easily support inward advection and compression of a weak field. The advected fiel","authors_text":"David M. Rothstein, Richard V. E. Lovelace (Cornell University)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2008-01-14T21:34:41Z","title":"Advection of Magnetic Fields in Accretion Disks: Not So Difficult After All"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0801.2158","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":"sha256:0f40e61f9bbc1f3d934a14f3fa5f598d06b9768c1e2a4872361b132a7920ff62","target":"record","created_at":"2026-07-04T17:08:28Z","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":"501919fa753129f4958d5dbff0adaafcd82049db3f893731dedbc27933f7038f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2008-01-14T21:34:41Z","title_canon_sha256":"d2ba79cff5d8c5c518d220da9a3d5616cef8384f6df5959df6f1631df742bb0d"},"schema_version":"1.0","source":{"id":"0801.2158","kind":"arxiv","version":2}},"canonical_sha256":"23b7df1e877d768d7e85cbe071eeec7f1ba73c44d64932813a2ade671b062c13","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"23b7df1e877d768d7e85cbe071eeec7f1ba73c44d64932813a2ade671b062c13","first_computed_at":"2026-07-04T17:08:28.120836Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:08:28.120836Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LH0ItLSmRZ40kvKYllfG1nv65Iz/la6ijYr9w1GxiU5wffpp0/7xMkc/Wga48dJHl+hhMHxeMXjupY2fycPLCw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:08:28.121189Z","signed_message":"canonical_sha256_bytes"},"source_id":"0801.2158","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0f40e61f9bbc1f3d934a14f3fa5f598d06b9768c1e2a4872361b132a7920ff62","sha256:7ac92b3b0e2576e9dd1ed090417ee104d6045dab2a62064d5f3520d2a88c83c9"],"state_sha256":"f9a84ebfc83cc24c559c7d35d3c2c94388d2e7a384236226dc7e8cb65f3b079c"}