{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:4W5PSTG6FLKKQDUS6A2KJKL5GH","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":"2f5da3831bd36882b425444d82d7e78f250c9b14b2bcde44fe98dc729b13e14b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-18T13:21:35Z","title_canon_sha256":"b6557b2ce0594b88afba696d97723c700cfbcd8e91a3236bce3065c3c3f5eeb1"},"schema_version":"1.0","source":{"id":"1508.04309","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.04309","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"arxiv_version","alias_value":"1508.04309v1","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.04309","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"pith_short_12","alias_value":"4W5PSTG6FLKK","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4W5PSTG6FLKKQDUS","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4W5PSTG6","created_at":"2026-05-18T12:29:05Z"}],"graph_snapshots":[{"event_id":"sha256:07b23e09de20f676665f39e143177dc272edd706c57b3c98b1a8d30b916b09cb","target":"graph","created_at":"2026-05-18T01:24:53Z","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":"It is now well established that FGK post-AGB stars that are surrounded by both hot and cold dust (as derived from the spectral energy distribution), are almost always part of a binary system with $100 < P_{orb} < 5000$~days. The properties and long-term stability of the dust emission requires it to arise from a gas- and dust-rich, puffed-up and (semi-)stable circumbinary disk. This interpretation has been confirmed with spatially resolved observations at a range of wavelengths for various individual objects. Here I present the first results of the first mid-IR interferometric survey of this cl","authors_text":"Michel Hillen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-18T13:21:35Z","title":"An N band interferometric survey of the disks around post-AGB binary stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.04309","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:c0f1d66b339b7eb1f27ab82a456f4ca0938c434f198679297688cd07c4f96a11","target":"record","created_at":"2026-05-18T01:24:53Z","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":"2f5da3831bd36882b425444d82d7e78f250c9b14b2bcde44fe98dc729b13e14b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-18T13:21:35Z","title_canon_sha256":"b6557b2ce0594b88afba696d97723c700cfbcd8e91a3236bce3065c3c3f5eeb1"},"schema_version":"1.0","source":{"id":"1508.04309","kind":"arxiv","version":1}},"canonical_sha256":"e5baf94cde2ad4a80e92f034a4a97d31d069156e9d841fd1b37cb901e608ed5d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e5baf94cde2ad4a80e92f034a4a97d31d069156e9d841fd1b37cb901e608ed5d","first_computed_at":"2026-05-18T01:24:53.118385Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:53.118385Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lA0QJGO9gJXJcRESUtRxXxkkm7ibAKCMVC6vCR9JvG7zxKF6ZiRonwBHhM7Iaibna/UzwysILun+ANVHNtOeCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:53.119141Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.04309","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c0f1d66b339b7eb1f27ab82a456f4ca0938c434f198679297688cd07c4f96a11","sha256:07b23e09de20f676665f39e143177dc272edd706c57b3c98b1a8d30b916b09cb"],"state_sha256":"057f3bcdc42791a71ab078910ec2672c39fb505f7d47ea41224791f0e4f3e3ba"}