{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:O7TPTOYQTYLOVA7AWMQVYOJFMC","short_pith_number":"pith:O7TPTOYQ","canonical_record":{"source":{"id":"1307.0012","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-06-28T20:00:06Z","cross_cats_sorted":[],"title_canon_sha256":"7c950a3195500fb492c2ce8d038d528ec57cb71dd890d0fbfe282abd6adcf6f7","abstract_canon_sha256":"26fff19c16e927bdfcb1a5fe5cba2787948e72085583d56df471952cbb35febe"},"schema_version":"1.0"},"canonical_sha256":"77e6f9bb109e16ea83e0b3215c39256083867c8804ace503f89622429620b6b9","source":{"kind":"arxiv","id":"1307.0012","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.0012","created_at":"2026-05-18T01:49:06Z"},{"alias_kind":"arxiv_version","alias_value":"1307.0012v1","created_at":"2026-05-18T01:49:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.0012","created_at":"2026-05-18T01:49:06Z"},{"alias_kind":"pith_short_12","alias_value":"O7TPTOYQTYLO","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"O7TPTOYQTYLOVA7A","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"O7TPTOYQ","created_at":"2026-05-18T12:27:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:O7TPTOYQTYLOVA7AWMQVYOJFMC","target":"record","payload":{"canonical_record":{"source":{"id":"1307.0012","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-06-28T20:00:06Z","cross_cats_sorted":[],"title_canon_sha256":"7c950a3195500fb492c2ce8d038d528ec57cb71dd890d0fbfe282abd6adcf6f7","abstract_canon_sha256":"26fff19c16e927bdfcb1a5fe5cba2787948e72085583d56df471952cbb35febe"},"schema_version":"1.0"},"canonical_sha256":"77e6f9bb109e16ea83e0b3215c39256083867c8804ace503f89622429620b6b9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:06.405982Z","signature_b64":"dbDOkRKXlr0MY81feaZ3voraJHdjcybE/oMBzPMXxXEhjRoDahS3lvgLzcfzC11PwnPCweFIcFEVuOFN8xkbBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"77e6f9bb109e16ea83e0b3215c39256083867c8804ace503f89622429620b6b9","last_reissued_at":"2026-05-18T01:49:06.405503Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:06.405503Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.0012","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":"2026-05-18T01:49:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E4bGJryz1aqFBQsxZNb6aF57QrQ28g0o+c5c3qO3Ly8QH7kmz8BFNs5JXvhGwlvaxdlisypbSC73ri50qlByAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T03:37:47.868695Z"},"content_sha256":"4549d34b4dcd63b38ec0e5650c0f48c130393a1b198942f448c8cdd5b0a17edd","schema_version":"1.0","event_id":"sha256:4549d34b4dcd63b38ec0e5650c0f48c130393a1b198942f448c8cdd5b0a17edd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:O7TPTOYQTYLOVA7AWMQVYOJFMC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermal Stability in Turbulently Mixed Accretion Discs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Ramesh Narayan, Yucong Zhu","submitted_at":"2013-06-28T20:00:06Z","abstract_excerpt":"The standard thin accretion disc model predicts that discs around stellar mass black holes become radiation pressure dominated and thermally unstable once their luminosity exceeds L>0.02 L_Edd. Observationally, discs in the high/soft state of X-ray binaries show little variability in the range 0.01 L_Edd < L < 0.5 L_Edd, implying that these discs in nature are in fact quite stable. In an attempt to reconcile this conflict, we investigate one-zone disc models including turbulent and convective modes of vertical energy transport. We find both mixing mechanisms to have a stabilizing effect, leadi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.0012","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":"2026-05-18T01:49:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qOmmi6HfUmquqYRD1jsCEqJcG1skpc6CzmQb1+qBjfagpVxikNZyWVJOJ6u9S9IGuiCvWfXk5XRE7+UG5GcRAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T03:37:47.869064Z"},"content_sha256":"2bdc48394c951d2342648bd9e3e29c6da38fd103c80e8a3ba84882f713578f47","schema_version":"1.0","event_id":"sha256:2bdc48394c951d2342648bd9e3e29c6da38fd103c80e8a3ba84882f713578f47"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O7TPTOYQTYLOVA7AWMQVYOJFMC/bundle.json","state_url":"https://pith.science/pith/O7TPTOYQTYLOVA7AWMQVYOJFMC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O7TPTOYQTYLOVA7AWMQVYOJFMC/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":"2026-06-01T03:37:47Z","links":{"resolver":"https://pith.science/pith/O7TPTOYQTYLOVA7AWMQVYOJFMC","bundle":"https://pith.science/pith/O7TPTOYQTYLOVA7AWMQVYOJFMC/bundle.json","state":"https://pith.science/pith/O7TPTOYQTYLOVA7AWMQVYOJFMC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O7TPTOYQTYLOVA7AWMQVYOJFMC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:O7TPTOYQTYLOVA7AWMQVYOJFMC","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":"26fff19c16e927bdfcb1a5fe5cba2787948e72085583d56df471952cbb35febe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-06-28T20:00:06Z","title_canon_sha256":"7c950a3195500fb492c2ce8d038d528ec57cb71dd890d0fbfe282abd6adcf6f7"},"schema_version":"1.0","source":{"id":"1307.0012","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.0012","created_at":"2026-05-18T01:49:06Z"},{"alias_kind":"arxiv_version","alias_value":"1307.0012v1","created_at":"2026-05-18T01:49:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.0012","created_at":"2026-05-18T01:49:06Z"},{"alias_kind":"pith_short_12","alias_value":"O7TPTOYQTYLO","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"O7TPTOYQTYLOVA7A","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"O7TPTOYQ","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:2bdc48394c951d2342648bd9e3e29c6da38fd103c80e8a3ba84882f713578f47","target":"graph","created_at":"2026-05-18T01:49:06Z","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":"The standard thin accretion disc model predicts that discs around stellar mass black holes become radiation pressure dominated and thermally unstable once their luminosity exceeds L>0.02 L_Edd. Observationally, discs in the high/soft state of X-ray binaries show little variability in the range 0.01 L_Edd < L < 0.5 L_Edd, implying that these discs in nature are in fact quite stable. In an attempt to reconcile this conflict, we investigate one-zone disc models including turbulent and convective modes of vertical energy transport. We find both mixing mechanisms to have a stabilizing effect, leadi","authors_text":"Ramesh Narayan, Yucong Zhu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-06-28T20:00:06Z","title":"Thermal Stability in Turbulently Mixed Accretion Discs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.0012","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":"sha256:4549d34b4dcd63b38ec0e5650c0f48c130393a1b198942f448c8cdd5b0a17edd","target":"record","created_at":"2026-05-18T01:49:06Z","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":"26fff19c16e927bdfcb1a5fe5cba2787948e72085583d56df471952cbb35febe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-06-28T20:00:06Z","title_canon_sha256":"7c950a3195500fb492c2ce8d038d528ec57cb71dd890d0fbfe282abd6adcf6f7"},"schema_version":"1.0","source":{"id":"1307.0012","kind":"arxiv","version":1}},"canonical_sha256":"77e6f9bb109e16ea83e0b3215c39256083867c8804ace503f89622429620b6b9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"77e6f9bb109e16ea83e0b3215c39256083867c8804ace503f89622429620b6b9","first_computed_at":"2026-05-18T01:49:06.405503Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:49:06.405503Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dbDOkRKXlr0MY81feaZ3voraJHdjcybE/oMBzPMXxXEhjRoDahS3lvgLzcfzC11PwnPCweFIcFEVuOFN8xkbBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:49:06.405982Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.0012","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4549d34b4dcd63b38ec0e5650c0f48c130393a1b198942f448c8cdd5b0a17edd","sha256:2bdc48394c951d2342648bd9e3e29c6da38fd103c80e8a3ba84882f713578f47"],"state_sha256":"b0f1b0e6e23af1fa5b7014036b379a28d2f7fae19100afb040700dfe4cde7c16"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OAMCiiqteTbkLl0y92kET97x3x+Hq+cuzuHilCHPtAG7AVdQAFGDOS91gfl5B3PmRWyLcYjNtr/ii7xAMYmnDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T03:37:47.871084Z","bundle_sha256":"acc35ec976d6812ed092e3a427309f4c084ab54b04c5892597c1ac21c9a37988"}}