{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:ULWIZGURS5YACI6YJQ436WBAPU","short_pith_number":"pith:ULWIZGUR","schema_version":"1.0","canonical_sha256":"a2ec8c9a9197700123d84c39bf58207d2f203d72dec48015c9715748524ba79f","source":{"kind":"arxiv","id":"2608.10779","version":1},"attestation_state":"computed","paper":{"title":"Bernhard-1: An Eccentric Binary Periodically Obscured by its Misaligned Circumbinary Disk","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Ping Chen, Richard Post, Weicheng Zang, Wei Zhu, Zhecheng Hu","submitted_at":"2026-08-11T10:31:22Z","abstract_excerpt":"Bernhard-1 is a proposed KH 15D-like circumbinary disk occultation (CBO) system, but its binary nature and disk geometry have not previously been confirmed. We present new optical and near-infrared spectroscopy together with multi-band photometric monitoring of the system. The radial velocities confirm that Bernhard-1 hosts a highly eccentric binary with $e = 0.80 \\pm 0.09$, confirming that the periodic photometric variability arises from occultation by a misaligned circumbinary disk. Joint modeling of the spectra and phase-dependent spectral energy distributions yields pre-main-sequence compo"},"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":"2608.10779","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-08-11T10:31:22Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"a39a167fc7cddb353b6c40dfe3e1c8412a41d647bffb445c58da0dde43429e06","abstract_canon_sha256":"faef2b884266ec20291f656e2d38528927007a066354815dcd1c9aeaecd1f13a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-12T01:23:15.681873Z","signature_b64":"ZwmGJqBHMpVRYLPf6J0Z0mHMjOS9qbh//m6zRZguHCTeWp2U5I6QWZMkLpeabtRI5yn5AgoWRc55kdC3OtXBBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2ec8c9a9197700123d84c39bf58207d2f203d72dec48015c9715748524ba79f","last_reissued_at":"2026-08-12T01:23:15.680242Z","signature_status":"signed_v1","first_computed_at":"2026-08-12T01:23:15.680242Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Bernhard-1: An Eccentric Binary Periodically Obscured by its Misaligned Circumbinary Disk","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Ping Chen, Richard Post, Weicheng Zang, Wei Zhu, Zhecheng Hu","submitted_at":"2026-08-11T10:31:22Z","abstract_excerpt":"Bernhard-1 is a proposed KH 15D-like circumbinary disk occultation (CBO) system, but its binary nature and disk geometry have not previously been confirmed. We present new optical and near-infrared spectroscopy together with multi-band photometric monitoring of the system. The radial velocities confirm that Bernhard-1 hosts a highly eccentric binary with $e = 0.80 \\pm 0.09$, confirming that the periodic photometric variability arises from occultation by a misaligned circumbinary disk. Joint modeling of the spectra and phase-dependent spectral energy distributions yields pre-main-sequence compo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.10779","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/2608.10779/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":"2608.10779","created_at":"2026-08-12T01:23:15.684115+00:00"},{"alias_kind":"arxiv_version","alias_value":"2608.10779v1","created_at":"2026-08-12T01:23:15.684115+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.10779","created_at":"2026-08-12T01:23:15.684115+00:00"},{"alias_kind":"pith_short_12","alias_value":"ULWIZGURS5YA","created_at":"2026-08-12T01:23:15.684115+00:00"},{"alias_kind":"pith_short_16","alias_value":"ULWIZGURS5YACI6Y","created_at":"2026-08-12T01:23:15.684115+00:00"},{"alias_kind":"pith_short_8","alias_value":"ULWIZGUR","created_at":"2026-08-12T01:23:15.684115+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/ULWIZGURS5YACI6YJQ436WBAPU","json":"https://pith.science/pith/ULWIZGURS5YACI6YJQ436WBAPU.json","graph_json":"https://pith.science/api/pith-number/ULWIZGURS5YACI6YJQ436WBAPU/graph.json","events_json":"https://pith.science/api/pith-number/ULWIZGURS5YACI6YJQ436WBAPU/events.json","paper":"https://pith.science/paper/ULWIZGUR"},"agent_actions":{"view_html":"https://pith.science/pith/ULWIZGURS5YACI6YJQ436WBAPU","download_json":"https://pith.science/pith/ULWIZGURS5YACI6YJQ436WBAPU.json","view_paper":"https://pith.science/paper/ULWIZGUR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2608.10779&json=true","fetch_graph":"https://pith.science/api/pith-number/ULWIZGURS5YACI6YJQ436WBAPU/graph.json","fetch_events":"https://pith.science/api/pith-number/ULWIZGURS5YACI6YJQ436WBAPU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ULWIZGURS5YACI6YJQ436WBAPU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ULWIZGURS5YACI6YJQ436WBAPU/action/storage_attestation","attest_author":"https://pith.science/pith/ULWIZGURS5YACI6YJQ436WBAPU/action/author_attestation","sign_citation":"https://pith.science/pith/ULWIZGURS5YACI6YJQ436WBAPU/action/citation_signature","submit_replication":"https://pith.science/pith/ULWIZGURS5YACI6YJQ436WBAPU/action/replication_record"}},"created_at":"2026-08-12T01:23:15.684115+00:00","updated_at":"2026-08-12T01:23:15.684115+00:00"}