{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:SVRY7JSWCJDCWIKTHKUE466Y5Y","short_pith_number":"pith:SVRY7JSW","schema_version":"1.0","canonical_sha256":"95638fa65612462b21533aa84e7bd8ee18a4c6c8a0372161eb836eee86a47567","source":{"kind":"arxiv","id":"2406.18646","version":1},"attestation_state":"computed","paper":{"title":"Using 3.4-$\\mu$m Variability towards White Dwarfs as a Signpost of Remnant Planetary Systems","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"B. C. Kaiser, Brison B. Ewing, J. J. Hermes, Joseph A. Guidry, Kishalay De, Lou Baya Ould Rouis","submitted_at":"2024-06-26T18:00:01Z","abstract_excerpt":"Roughly 2% of white dwarfs harbor planetary debris disks detectable via infrared excesses, but only a few percent of these disks show a gaseous component, distinguished by their double-peaked emission at the near-infrared calcium triplet. Previous studies found most debris disks around white dwarfs are variable at 3.4 and 4.5 $\\mu$m, but they analyzed only a few of the now 21 published disks showing calcium emission. To test if most published calcium emission disks exhibit large-amplitude stochastic variability in the near-infrared, we use light curves generated from the unWISE images at 3.4 $"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2406.18646","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-06-26T18:00:01Z","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"title_canon_sha256":"3eb18fdc7906f44f6654af86318a443c288ac4079feed286669171308e2f23f2","abstract_canon_sha256":"ddcf41f991f956ce3df5071b91c8576e364d2a29898cab43c3356dd20fa1ec00"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:37:24.026682Z","signature_b64":"HQw9Wm65wSbc3GEZbMoZHg1MD1Qz6fq5DXlMbx26rz21wxdHQS/vo8r6fbxo7N1MSP4psKvJvHcYS1BzuMXDAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"95638fa65612462b21533aa84e7bd8ee18a4c6c8a0372161eb836eee86a47567","last_reissued_at":"2026-07-05T08:37:24.026205Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:37:24.026205Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Using 3.4-$\\mu$m Variability towards White Dwarfs as a Signpost of Remnant Planetary Systems","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"B. C. Kaiser, Brison B. Ewing, J. J. Hermes, Joseph A. Guidry, Kishalay De, Lou Baya Ould Rouis","submitted_at":"2024-06-26T18:00:01Z","abstract_excerpt":"Roughly 2% of white dwarfs harbor planetary debris disks detectable via infrared excesses, but only a few percent of these disks show a gaseous component, distinguished by their double-peaked emission at the near-infrared calcium triplet. Previous studies found most debris disks around white dwarfs are variable at 3.4 and 4.5 $\\mu$m, but they analyzed only a few of the now 21 published disks showing calcium emission. To test if most published calcium emission disks exhibit large-amplitude stochastic variability in the near-infrared, we use light curves generated from the unWISE images at 3.4 $"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.18646","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2406.18646/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2406.18646","created_at":"2026-07-05T08:37:24.026264+00:00"},{"alias_kind":"arxiv_version","alias_value":"2406.18646v1","created_at":"2026-07-05T08:37:24.026264+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.18646","created_at":"2026-07-05T08:37:24.026264+00:00"},{"alias_kind":"pith_short_12","alias_value":"SVRY7JSWCJDC","created_at":"2026-07-05T08:37:24.026264+00:00"},{"alias_kind":"pith_short_16","alias_value":"SVRY7JSWCJDCWIKT","created_at":"2026-07-05T08:37:24.026264+00:00"},{"alias_kind":"pith_short_8","alias_value":"SVRY7JSW","created_at":"2026-07-05T08:37:24.026264+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/SVRY7JSWCJDCWIKTHKUE466Y5Y","json":"https://pith.science/pith/SVRY7JSWCJDCWIKTHKUE466Y5Y.json","graph_json":"https://pith.science/api/pith-number/SVRY7JSWCJDCWIKTHKUE466Y5Y/graph.json","events_json":"https://pith.science/api/pith-number/SVRY7JSWCJDCWIKTHKUE466Y5Y/events.json","paper":"https://pith.science/paper/SVRY7JSW"},"agent_actions":{"view_html":"https://pith.science/pith/SVRY7JSWCJDCWIKTHKUE466Y5Y","download_json":"https://pith.science/pith/SVRY7JSWCJDCWIKTHKUE466Y5Y.json","view_paper":"https://pith.science/paper/SVRY7JSW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2406.18646&json=true","fetch_graph":"https://pith.science/api/pith-number/SVRY7JSWCJDCWIKTHKUE466Y5Y/graph.json","fetch_events":"https://pith.science/api/pith-number/SVRY7JSWCJDCWIKTHKUE466Y5Y/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SVRY7JSWCJDCWIKTHKUE466Y5Y/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SVRY7JSWCJDCWIKTHKUE466Y5Y/action/storage_attestation","attest_author":"https://pith.science/pith/SVRY7JSWCJDCWIKTHKUE466Y5Y/action/author_attestation","sign_citation":"https://pith.science/pith/SVRY7JSWCJDCWIKTHKUE466Y5Y/action/citation_signature","submit_replication":"https://pith.science/pith/SVRY7JSWCJDCWIKTHKUE466Y5Y/action/replication_record"}},"created_at":"2026-07-05T08:37:24.026264+00:00","updated_at":"2026-07-05T08:37:24.026264+00:00"}