{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:RWOQTKXNT4GFU7MOK757CV23N6","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":"2db7bf7f18ed1ca0ac05912e8263b1ea496b1d9824341ccadea612843afc6b03","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1998-09-01T14:59:59Z","title_canon_sha256":"d20fb5ef8c4319372b96d915c594e5d1ab4069682f1a89e2bf0be5a46f67d110"},"schema_version":"1.0","source":{"id":"astro-ph/9809005","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9809005","created_at":"2026-07-04T14:15:59Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9809005v1","created_at":"2026-07-04T14:15:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9809005","created_at":"2026-07-04T14:15:59Z"},{"alias_kind":"pith_short_12","alias_value":"RWOQTKXNT4GF","created_at":"2026-07-04T14:15:59Z"},{"alias_kind":"pith_short_16","alias_value":"RWOQTKXNT4GFU7MO","created_at":"2026-07-04T14:15:59Z"},{"alias_kind":"pith_short_8","alias_value":"RWOQTKXN","created_at":"2026-07-04T14:15:59Z"}],"graph_snapshots":[{"event_id":"sha256:78a8d8492738507ae91906bf6cf296f18074ac30ca21380205a427021f72c9c4","target":"graph","created_at":"2026-07-04T14:15:59Z","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/9809005/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The radial distribution of dust has been calculated in outflows driven by radiation pressure in which the gas drag is taken into account. It is shown that the dust distribution in the newly discovered candidate disk around BD+31d643 can be explained by this simple model, provided that the ambient gas of the surrounding cluster IC 348 has a density $\\rho\\sim 10^4~$cm$^{-3}$. The dust is probably produced within 2300 AU from the central binary star.","authors_text":"A. Lecavelier des Etangs, A. Vidal-Madjar, R. Ferlet","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1998-09-01T14:59:59Z","title":"Dust distribution in radiation pressure outflow. Application to the BD+31d643 disk"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9809005","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":"sha256:7c2c5fc86e9deb3edd2ec52710eb6a62fd52df1a0813b6d6b7d25963879b1699","target":"record","created_at":"2026-07-04T14:15:59Z","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":"2db7bf7f18ed1ca0ac05912e8263b1ea496b1d9824341ccadea612843afc6b03","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1998-09-01T14:59:59Z","title_canon_sha256":"d20fb5ef8c4319372b96d915c594e5d1ab4069682f1a89e2bf0be5a46f67d110"},"schema_version":"1.0","source":{"id":"astro-ph/9809005","kind":"arxiv","version":1}},"canonical_sha256":"8d9d09aaed9f0c5a7d8e57fbf1575b6fa03003192343a56e1fd1ace2f763f501","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d9d09aaed9f0c5a7d8e57fbf1575b6fa03003192343a56e1fd1ace2f763f501","first_computed_at":"2026-07-04T14:15:59.877474Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:15:59.877474Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KpbHWFe9r6L0KBh6V90A/GauiHxlkVx/4Xv9Ujm1BMDB7AzqH5WbfcEXWyazya7QzCM8jVqfJIG5en0O93j/Cw==","signature_status":"signed_v1","signed_at":"2026-07-04T14:15:59.878105Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9809005","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7c2c5fc86e9deb3edd2ec52710eb6a62fd52df1a0813b6d6b7d25963879b1699","sha256:78a8d8492738507ae91906bf6cf296f18074ac30ca21380205a427021f72c9c4"],"state_sha256":"dec327d686ec50e357e447fd8afbfa866285d226729b3f53b1179ad72943f5d7"}