{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:BYNJGQDQVJKT2VTYZSHESLUBDH","short_pith_number":"pith:BYNJGQDQ","canonical_record":{"source":{"id":"1310.2294","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-08T22:17:16Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"7212f37fe0b83fac40dc1783f163facdb0e5695637fa9a2c3a3de888fbe3776e","abstract_canon_sha256":"625cf7cbb0785ce4a5144f13bc3fc2feda26d187d704d201de8b33e08b292e65"},"schema_version":"1.0"},"canonical_sha256":"0e1a934070aa553d5678cc8e492e8119cdaf2e94bf5470dfa5f58a2e20bbf76b","source":{"kind":"arxiv","id":"1310.2294","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.2294","created_at":"2026-05-18T01:47:07Z"},{"alias_kind":"arxiv_version","alias_value":"1310.2294v1","created_at":"2026-05-18T01:47:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.2294","created_at":"2026-05-18T01:47:07Z"},{"alias_kind":"pith_short_12","alias_value":"BYNJGQDQVJKT","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"BYNJGQDQVJKT2VTY","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"BYNJGQDQ","created_at":"2026-05-18T12:27:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:BYNJGQDQVJKT2VTYZSHESLUBDH","target":"record","payload":{"canonical_record":{"source":{"id":"1310.2294","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-08T22:17:16Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"7212f37fe0b83fac40dc1783f163facdb0e5695637fa9a2c3a3de888fbe3776e","abstract_canon_sha256":"625cf7cbb0785ce4a5144f13bc3fc2feda26d187d704d201de8b33e08b292e65"},"schema_version":"1.0"},"canonical_sha256":"0e1a934070aa553d5678cc8e492e8119cdaf2e94bf5470dfa5f58a2e20bbf76b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:07.728309Z","signature_b64":"b493Lk+itBrdiVFv/sOp85/L8DM94W82HAqQR/hV56mC1pGeasVQustCB1jwFcIBNaLuVnQgi82l1iFURetjCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e1a934070aa553d5678cc8e492e8119cdaf2e94bf5470dfa5f58a2e20bbf76b","last_reissued_at":"2026-05-18T01:47:07.727815Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:07.727815Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.2294","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:47:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QUpacyrTnYzgJvJWH9lULE/cgmG54FhdK0cxdZkvhW5M3jQQHCT2873yqvhgFV0GE0Yt3xR81RueDeJgtsbnCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T04:06:33.802347Z"},"content_sha256":"c8c50045f92ab2d8bae385c64f794af903db64a0743689517429fb304db8f4b4","schema_version":"1.0","event_id":"sha256:c8c50045f92ab2d8bae385c64f794af903db64a0743689517429fb304db8f4b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:BYNJGQDQVJKT2VTYZSHESLUBDH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The gravo-magneto disc instability with a viscous dead zone","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Rebecca G. Martin, Stephen H. Lubow","submitted_at":"2013-10-08T22:17:16Z","abstract_excerpt":"We consider the evolution of accretion discs that contain some turbulence within a disc dead zone, a region about the disc midplane of a disc that is not sufficiently ionised for the magneto-rotational instability (MRI) to drive turbulence. In particular, we determine whether additional sources of turbulence within a dead zone are capable of suppressing gravo-magneto (GM) disc outbursts that arise from a rapid transition from gravitationally produced to MRI produced turbulence. With viscous $\\alpha$ disc models we consider two mechanisms that may drive turbulence within the dead zone. First, w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.2294","kind":"arxiv","version":1},"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":"2026-05-18T01:47:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NhDmUl98/DpM/wZcGvRTq826wgcDZQrLsnLKi+qdnDhqofOr41zLpOXu1oYiwB1loStn6nLeDFpnNXukmF7eCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T04:06:33.803061Z"},"content_sha256":"2a184f5d1f714b4225caa24a9225af740947856c9a469bdfa9180311ec0f8aa3","schema_version":"1.0","event_id":"sha256:2a184f5d1f714b4225caa24a9225af740947856c9a469bdfa9180311ec0f8aa3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BYNJGQDQVJKT2VTYZSHESLUBDH/bundle.json","state_url":"https://pith.science/pith/BYNJGQDQVJKT2VTYZSHESLUBDH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BYNJGQDQVJKT2VTYZSHESLUBDH/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":"2026-06-12T04:06:33Z","links":{"resolver":"https://pith.science/pith/BYNJGQDQVJKT2VTYZSHESLUBDH","bundle":"https://pith.science/pith/BYNJGQDQVJKT2VTYZSHESLUBDH/bundle.json","state":"https://pith.science/pith/BYNJGQDQVJKT2VTYZSHESLUBDH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BYNJGQDQVJKT2VTYZSHESLUBDH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:BYNJGQDQVJKT2VTYZSHESLUBDH","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":"625cf7cbb0785ce4a5144f13bc3fc2feda26d187d704d201de8b33e08b292e65","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-08T22:17:16Z","title_canon_sha256":"7212f37fe0b83fac40dc1783f163facdb0e5695637fa9a2c3a3de888fbe3776e"},"schema_version":"1.0","source":{"id":"1310.2294","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.2294","created_at":"2026-05-18T01:47:07Z"},{"alias_kind":"arxiv_version","alias_value":"1310.2294v1","created_at":"2026-05-18T01:47:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.2294","created_at":"2026-05-18T01:47:07Z"},{"alias_kind":"pith_short_12","alias_value":"BYNJGQDQVJKT","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"BYNJGQDQVJKT2VTY","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"BYNJGQDQ","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:2a184f5d1f714b4225caa24a9225af740947856c9a469bdfa9180311ec0f8aa3","target":"graph","created_at":"2026-05-18T01:47:07Z","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 consider the evolution of accretion discs that contain some turbulence within a disc dead zone, a region about the disc midplane of a disc that is not sufficiently ionised for the magneto-rotational instability (MRI) to drive turbulence. In particular, we determine whether additional sources of turbulence within a dead zone are capable of suppressing gravo-magneto (GM) disc outbursts that arise from a rapid transition from gravitationally produced to MRI produced turbulence. With viscous $\\alpha$ disc models we consider two mechanisms that may drive turbulence within the dead zone. First, w","authors_text":"Rebecca G. Martin, Stephen H. Lubow","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-08T22:17:16Z","title":"The gravo-magneto disc instability with a viscous dead zone"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.2294","kind":"arxiv","version":1},"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:c8c50045f92ab2d8bae385c64f794af903db64a0743689517429fb304db8f4b4","target":"record","created_at":"2026-05-18T01:47:07Z","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":"625cf7cbb0785ce4a5144f13bc3fc2feda26d187d704d201de8b33e08b292e65","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-08T22:17:16Z","title_canon_sha256":"7212f37fe0b83fac40dc1783f163facdb0e5695637fa9a2c3a3de888fbe3776e"},"schema_version":"1.0","source":{"id":"1310.2294","kind":"arxiv","version":1}},"canonical_sha256":"0e1a934070aa553d5678cc8e492e8119cdaf2e94bf5470dfa5f58a2e20bbf76b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0e1a934070aa553d5678cc8e492e8119cdaf2e94bf5470dfa5f58a2e20bbf76b","first_computed_at":"2026-05-18T01:47:07.727815Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:47:07.727815Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b493Lk+itBrdiVFv/sOp85/L8DM94W82HAqQR/hV56mC1pGeasVQustCB1jwFcIBNaLuVnQgi82l1iFURetjCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:47:07.728309Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.2294","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c8c50045f92ab2d8bae385c64f794af903db64a0743689517429fb304db8f4b4","sha256:2a184f5d1f714b4225caa24a9225af740947856c9a469bdfa9180311ec0f8aa3"],"state_sha256":"c38665ad47f4f8ebca7c18ffcb8691308773c0f872e923365f1f8258597c8a9e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"07A9w4IP1OSWctl8BExR7VxE+QU2HfatnRJcdDIWMdmEh91/jndubr8h2f4fB/Nx8mYMx11fiA5ZRQzK2kg6Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T04:06:33.806778Z","bundle_sha256":"fdebf84dc2414bf427c1c7e8655d4867094b317fb723681c246542b92aa7bc10"}}