{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:TTQHZXTJLTUTMJ5SCELHIHYBUN","short_pith_number":"pith:TTQHZXTJ","schema_version":"1.0","canonical_sha256":"9ce07cde695ce93627b21116741f01a358338de28b1c97ce6463eaf0c45d62e4","source":{"kind":"arxiv","id":"2406.12786","version":1},"attestation_state":"computed","paper":{"title":"Dynamical mass determination and partial eclipses of the heartbeat star HD 181793","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Andrew Collier Cameron, Laura E. Uronen, Thomas G. Wilson","submitted_at":"2024-06-18T16:54:59Z","abstract_excerpt":"We identify the bright Am-type star HD 181793 to be a previously-unknown eclipsing, chemically peculiar heartbeat binary, the second of its kind known. The system carries an orbital period of $P = 11.47578275 \\pm 0.00000055$ days. We use TESS photometry and LCOGT NRES radial velocity data to build a self-consistent orbital model and determine the fundamental stellar characteristics of the primary. We use a spectral separation method to unveil the secondary and measure the masses of both stars. The radial velocity amplitude of the primary, $K_1 = 47.41+0.13-0.12 km s^{-1}$, gives a mass $M_1 = "},"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":"2406.12786","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-06-18T16:54:59Z","cross_cats_sorted":[],"title_canon_sha256":"2989d20118ea4a93ac2942d65c2eb927f5dee2808804f2770ed5cbf0e031c758","abstract_canon_sha256":"0327b6fedd57ee846cbc609413fc3a9ce0a3ff6947af317fabdcf23c01955407"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:35:47.908353Z","signature_b64":"tZJrlG5Jv4FcjESOWYV3xd0bQRyUXBwTYWYfKlG3X4F5yd7zln/R/TcGQG/65GuY/46JFflIaeIsKhFmh1FODQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9ce07cde695ce93627b21116741f01a358338de28b1c97ce6463eaf0c45d62e4","last_reissued_at":"2026-07-05T08:35:47.907898Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:35:47.907898Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dynamical mass determination and partial eclipses of the heartbeat star HD 181793","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Andrew Collier Cameron, Laura E. Uronen, Thomas G. Wilson","submitted_at":"2024-06-18T16:54:59Z","abstract_excerpt":"We identify the bright Am-type star HD 181793 to be a previously-unknown eclipsing, chemically peculiar heartbeat binary, the second of its kind known. The system carries an orbital period of $P = 11.47578275 \\pm 0.00000055$ days. We use TESS photometry and LCOGT NRES radial velocity data to build a self-consistent orbital model and determine the fundamental stellar characteristics of the primary. We use a spectral separation method to unveil the secondary and measure the masses of both stars. The radial velocity amplitude of the primary, $K_1 = 47.41+0.13-0.12 km s^{-1}$, gives a mass $M_1 = "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.12786","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/2406.12786/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":"2406.12786","created_at":"2026-07-05T08:35:47.907953+00:00"},{"alias_kind":"arxiv_version","alias_value":"2406.12786v1","created_at":"2026-07-05T08:35:47.907953+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.12786","created_at":"2026-07-05T08:35:47.907953+00:00"},{"alias_kind":"pith_short_12","alias_value":"TTQHZXTJLTUT","created_at":"2026-07-05T08:35:47.907953+00:00"},{"alias_kind":"pith_short_16","alias_value":"TTQHZXTJLTUTMJ5S","created_at":"2026-07-05T08:35:47.907953+00:00"},{"alias_kind":"pith_short_8","alias_value":"TTQHZXTJ","created_at":"2026-07-05T08:35:47.907953+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/TTQHZXTJLTUTMJ5SCELHIHYBUN","json":"https://pith.science/pith/TTQHZXTJLTUTMJ5SCELHIHYBUN.json","graph_json":"https://pith.science/api/pith-number/TTQHZXTJLTUTMJ5SCELHIHYBUN/graph.json","events_json":"https://pith.science/api/pith-number/TTQHZXTJLTUTMJ5SCELHIHYBUN/events.json","paper":"https://pith.science/paper/TTQHZXTJ"},"agent_actions":{"view_html":"https://pith.science/pith/TTQHZXTJLTUTMJ5SCELHIHYBUN","download_json":"https://pith.science/pith/TTQHZXTJLTUTMJ5SCELHIHYBUN.json","view_paper":"https://pith.science/paper/TTQHZXTJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2406.12786&json=true","fetch_graph":"https://pith.science/api/pith-number/TTQHZXTJLTUTMJ5SCELHIHYBUN/graph.json","fetch_events":"https://pith.science/api/pith-number/TTQHZXTJLTUTMJ5SCELHIHYBUN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TTQHZXTJLTUTMJ5SCELHIHYBUN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TTQHZXTJLTUTMJ5SCELHIHYBUN/action/storage_attestation","attest_author":"https://pith.science/pith/TTQHZXTJLTUTMJ5SCELHIHYBUN/action/author_attestation","sign_citation":"https://pith.science/pith/TTQHZXTJLTUTMJ5SCELHIHYBUN/action/citation_signature","submit_replication":"https://pith.science/pith/TTQHZXTJLTUTMJ5SCELHIHYBUN/action/replication_record"}},"created_at":"2026-07-05T08:35:47.907953+00:00","updated_at":"2026-07-05T08:35:47.907953+00:00"}