{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:S2MPFZPUASISVGUM3MV3XRLFPW","short_pith_number":"pith:S2MPFZPU","schema_version":"1.0","canonical_sha256":"9698f2e5f404912a9a8cdb2bbbc5657d80dbdee1a57130440b0164055a3148c2","source":{"kind":"arxiv","id":"2606.05321","version":1},"attestation_state":"computed","paper":{"title":"Hot Degenerate Components in Blue Stragglers: A Multi-Wavelength SED Analysis of Nine Open Clusters with Swift/UVOT","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"D. Bisht, Deniz Cennet \\c{C}{\\i}nar, Leila Saker, Sel\\c{c}uk Bilir, Songmei Qin","submitted_at":"2026-06-03T18:08:20Z","abstract_excerpt":"We present a homogeneous multi-wavelength analysis of 35 blue straggler star (BSS) candidates in nine open clusters, combining Swift/UVOT near-ultraviolet data with Gaia DR3 astrometry and optical-to-infrared photometry. We construct spectral energy distributions (SEDs) to search for signatures of hot companions associated with past mass transfer. Among the sample, 15 BSSs (~43%) show ultraviolet excesses that are better described by two-component SED fits. The inferred companions are consistent with hot white dwarfs and pre-extremely low-mass (pre-ELM) white dwarf candidates, suggesting syste"},"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":"2606.05321","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-06-03T18:08:20Z","cross_cats_sorted":[],"title_canon_sha256":"170f9f5e2e721dbdae8476ee82bc7833071c866993f70106f6e306e21d15d9a7","abstract_canon_sha256":"9218f95ab918180cb3b8537b2c8c819db10a297929b926a990db5a9835f612b4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-05T00:13:53.819729Z","signature_b64":"n/ZEyfrDqRwTOBbsYBKDVBByp5PnA51n0lh2WBHcYJPnD0wWadnV3gkoaTMos4sigGja21bj9J8JXApVfWXBBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9698f2e5f404912a9a8cdb2bbbc5657d80dbdee1a57130440b0164055a3148c2","last_reissued_at":"2026-06-05T00:13:53.819269Z","signature_status":"signed_v1","first_computed_at":"2026-06-05T00:13:53.819269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Hot Degenerate Components in Blue Stragglers: A Multi-Wavelength SED Analysis of Nine Open Clusters with Swift/UVOT","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"D. Bisht, Deniz Cennet \\c{C}{\\i}nar, Leila Saker, Sel\\c{c}uk Bilir, Songmei Qin","submitted_at":"2026-06-03T18:08:20Z","abstract_excerpt":"We present a homogeneous multi-wavelength analysis of 35 blue straggler star (BSS) candidates in nine open clusters, combining Swift/UVOT near-ultraviolet data with Gaia DR3 astrometry and optical-to-infrared photometry. We construct spectral energy distributions (SEDs) to search for signatures of hot companions associated with past mass transfer. Among the sample, 15 BSSs (~43%) show ultraviolet excesses that are better described by two-component SED fits. The inferred companions are consistent with hot white dwarfs and pre-extremely low-mass (pre-ELM) white dwarf candidates, suggesting syste"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.05321","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/2606.05321/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":"2606.05321","created_at":"2026-06-05T00:13:53.819344+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.05321v1","created_at":"2026-06-05T00:13:53.819344+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.05321","created_at":"2026-06-05T00:13:53.819344+00:00"},{"alias_kind":"pith_short_12","alias_value":"S2MPFZPUASIS","created_at":"2026-06-05T00:13:53.819344+00:00"},{"alias_kind":"pith_short_16","alias_value":"S2MPFZPUASISVGUM","created_at":"2026-06-05T00:13:53.819344+00:00"},{"alias_kind":"pith_short_8","alias_value":"S2MPFZPU","created_at":"2026-06-05T00:13:53.819344+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/S2MPFZPUASISVGUM3MV3XRLFPW","json":"https://pith.science/pith/S2MPFZPUASISVGUM3MV3XRLFPW.json","graph_json":"https://pith.science/api/pith-number/S2MPFZPUASISVGUM3MV3XRLFPW/graph.json","events_json":"https://pith.science/api/pith-number/S2MPFZPUASISVGUM3MV3XRLFPW/events.json","paper":"https://pith.science/paper/S2MPFZPU"},"agent_actions":{"view_html":"https://pith.science/pith/S2MPFZPUASISVGUM3MV3XRLFPW","download_json":"https://pith.science/pith/S2MPFZPUASISVGUM3MV3XRLFPW.json","view_paper":"https://pith.science/paper/S2MPFZPU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.05321&json=true","fetch_graph":"https://pith.science/api/pith-number/S2MPFZPUASISVGUM3MV3XRLFPW/graph.json","fetch_events":"https://pith.science/api/pith-number/S2MPFZPUASISVGUM3MV3XRLFPW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/S2MPFZPUASISVGUM3MV3XRLFPW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/S2MPFZPUASISVGUM3MV3XRLFPW/action/storage_attestation","attest_author":"https://pith.science/pith/S2MPFZPUASISVGUM3MV3XRLFPW/action/author_attestation","sign_citation":"https://pith.science/pith/S2MPFZPUASISVGUM3MV3XRLFPW/action/citation_signature","submit_replication":"https://pith.science/pith/S2MPFZPUASISVGUM3MV3XRLFPW/action/replication_record"}},"created_at":"2026-06-05T00:13:53.819344+00:00","updated_at":"2026-06-05T00:13:53.819344+00:00"}