{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:CHIR2ZEBUSXWV3CGG3ZMNBOZNA","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":"73f5348f0b1661e019f79a4e0233fe9048863a5fa14c61852a33e99a31d93d31","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-07T18:10:45Z","title_canon_sha256":"2c7ff414e14e85a16a49cd542d71d3a532e5e63b8023ffc6b1d6bc43ef727510"},"schema_version":"1.0","source":{"id":"astro-ph/0509188","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0509188","created_at":"2026-07-04T17:15:07Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0509188v1","created_at":"2026-07-04T17:15:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0509188","created_at":"2026-07-04T17:15:07Z"},{"alias_kind":"pith_short_12","alias_value":"CHIR2ZEBUSXW","created_at":"2026-07-04T17:15:07Z"},{"alias_kind":"pith_short_16","alias_value":"CHIR2ZEBUSXWV3CG","created_at":"2026-07-04T17:15:07Z"},{"alias_kind":"pith_short_8","alias_value":"CHIR2ZEB","created_at":"2026-07-04T17:15:07Z"}],"graph_snapshots":[{"event_id":"sha256:17f8a7e335e456a19c566d5ff9745086fe6653806421dda13b0e757eb6ff99e2","target":"graph","created_at":"2026-07-04T17:15:07Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0509188/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report the discovery of excess K-band radiation from a massive DAZ white dwarf star, GD362. Combining infrared photometric and spectroscopic observations, we show that the excess radiation cannot be explained by a stellar or substellar companion, and is likely to be caused by a debris disk. This would be only the second such system known, discovered 18 years after G29-38, the only single white dwarf currently known to be orbited by circumstellar dust. Both of these systems favor a model with accretion from a surrounding debris disk to explain the metal abundances observed in DAZ white dwarf","authors_text":"D. E. Winget (Texas), Mukremin Kilic, S. K. Leggett (JAC), Ted von Hippel (Texas)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-09-07T18:10:45Z","title":"Excess Infrared Radiation from a Massive DAZ White Dwarf: GD362 - a Debris Disk?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0509188","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:e1095f6c3849200a7a070686fe140d72b9b6787fbbcd912f2b482e27cb7a74ff","target":"record","created_at":"2026-07-04T17:15:07Z","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":"73f5348f0b1661e019f79a4e0233fe9048863a5fa14c61852a33e99a31d93d31","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-07T18:10:45Z","title_canon_sha256":"2c7ff414e14e85a16a49cd542d71d3a532e5e63b8023ffc6b1d6bc43ef727510"},"schema_version":"1.0","source":{"id":"astro-ph/0509188","kind":"arxiv","version":1}},"canonical_sha256":"11d11d6481a4af6aec4636f2c685d9682b3059b86b7b5423e0325fa28cb8b2c4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"11d11d6481a4af6aec4636f2c685d9682b3059b86b7b5423e0325fa28cb8b2c4","first_computed_at":"2026-07-04T17:15:07.106242Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:15:07.106242Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CcAC/AL6BpXkyN5+iVeCfRoUWeq8H6iSLXYPyGUesPuCu4RyljoQErn82y8ywEO1GsSnSG0G8Xd5oaivxKfJBA==","signature_status":"signed_v1","signed_at":"2026-07-04T17:15:07.106731Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0509188","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1095f6c3849200a7a070686fe140d72b9b6787fbbcd912f2b482e27cb7a74ff","sha256:17f8a7e335e456a19c566d5ff9745086fe6653806421dda13b0e757eb6ff99e2"],"state_sha256":"64718c4ade105d5ef5684a41a219d86b30851c5af114f0af0d75efb8d781e664"}