{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:R4DFDQJYXQUEAYDX5BBRKDINCY","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":"4cbdda503a76bc8c4abe57f3b27db70b8ddd599c37b7551368f1138fc760a09f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-10-01T16:55:50Z","title_canon_sha256":"c1bd6b6bb25f800b3fadaccca6f071e7f7550406dcd8b441dea0c069f5608538"},"schema_version":"1.0","source":{"id":"1210.0470","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.0470","created_at":"2026-05-18T01:54:11Z"},{"alias_kind":"arxiv_version","alias_value":"1210.0470v2","created_at":"2026-05-18T01:54:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.0470","created_at":"2026-05-18T01:54:11Z"},{"alias_kind":"pith_short_12","alias_value":"R4DFDQJYXQUE","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"R4DFDQJYXQUEAYDX","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"R4DFDQJY","created_at":"2026-05-18T12:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:b9ec60e34d5e7c09fe05a831367c4f27c94ae63b432919c82db8c79f34e61e36","target":"graph","created_at":"2026-05-18T01:54:11Z","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":"Self-similar and semi-analytical solutions are found for the height-averaged equations govern the dynamical behavior of a polytropic, self-gravitating disk under the effects of winds, around the nascent object. In order to describe time evolution of the system, we adopt a radius dependent mass loss rate, then highlight its importance on both the traditional $\\alpha$ and innovative $\\beta$ models of viscosity prescription. In agreement with some other studies, our solutions represent that Toomre parameter is less than one in most regions on the $\\beta$-disk which indicate that in such disks gra","authors_text":"Erfan Nourbakhsh, Mohsen Shadmehri, Shahram Abbassi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-10-01T16:55:50Z","title":"Viscous accretion of a polytropic self-gravitating disk in the presence of wind"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.0470","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":"sha256:6c68f147ce8837e7dc1ba04fb7e2c0bea82a9421a97ce4190e6413a31b90a1f6","target":"record","created_at":"2026-05-18T01:54:11Z","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":"4cbdda503a76bc8c4abe57f3b27db70b8ddd599c37b7551368f1138fc760a09f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-10-01T16:55:50Z","title_canon_sha256":"c1bd6b6bb25f800b3fadaccca6f071e7f7550406dcd8b441dea0c069f5608538"},"schema_version":"1.0","source":{"id":"1210.0470","kind":"arxiv","version":2}},"canonical_sha256":"8f0651c138bc28406077e843150d0d163487f6f6a9ffc6cc1a74666419273b3f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8f0651c138bc28406077e843150d0d163487f6f6a9ffc6cc1a74666419273b3f","first_computed_at":"2026-05-18T01:54:11.972949Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:11.972949Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TbjzbJeBfakru3oFjNWGfxZbcK6eIWNFCLa3dZKlaLkUnJFthMdrae7+PHk9PKHsA1HAgPsFukiDup1xnU09BA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:11.973434Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.0470","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c68f147ce8837e7dc1ba04fb7e2c0bea82a9421a97ce4190e6413a31b90a1f6","sha256:b9ec60e34d5e7c09fe05a831367c4f27c94ae63b432919c82db8c79f34e61e36"],"state_sha256":"1be2168d6e4aee174a4ca37789e143695c2d9924c305a55cd367b5939245d407"}