{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:BHNCI25UAQR2YVJ2ZF6Z4QT2AP","short_pith_number":"pith:BHNCI25U","schema_version":"1.0","canonical_sha256":"09da246bb40423ac553ac97d9e427a03f8c323a36d3b66c0b2c714e72bd7deae","source":{"kind":"arxiv","id":"1511.05965","version":3},"attestation_state":"computed","paper":{"title":"The frequency of accretion disks around single stars: Chamaeleon I","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Monika G. Petr-Gotzens, Ray Jayawardhana, R. Elliot Meyer, Sebastian Daemgen","submitted_at":"2015-11-18T21:00:08Z","abstract_excerpt":"It is well known that stellar companions can influence the evolution of a protoplanetary disk. Nevertheless, previous disk surveys did not - and could not - consistently exclude binaries from their samples. We present a study dedicated to investigating the frequency of ongoing disk accretion around single stars in a star-forming region. We obtained near-infrared spectroscopy of 54 low-mass stars selected from a high-angular resolution survey in the 2-3 Myr-old Chamaeleon I region to determine the presence of Brackett-$\\gamma$ emission, taking the residual chance of undetected multiplicity into"},"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":"1511.05965","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-11-18T21:00:08Z","cross_cats_sorted":[],"title_canon_sha256":"28df399e5898815c140bd4b300d58d534a34e4a692377540f5d2b9d13c174168","abstract_canon_sha256":"8563b61f215c707d2d2f91e92cabd661adc6a654b5ab4de6ec037e1a10c9c546"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:33.056534Z","signature_b64":"rSZkTjhhz14d8Upn6g7ehtwaFlVCbCg50N7L3mRo3xb8uerBnpyo34VbwilztBNS4TdB8oFWOProJBQuh0PSBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"09da246bb40423ac553ac97d9e427a03f8c323a36d3b66c0b2c714e72bd7deae","last_reissued_at":"2026-05-18T01:22:33.056024Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:33.056024Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The frequency of accretion disks around single stars: Chamaeleon I","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Monika G. Petr-Gotzens, Ray Jayawardhana, R. Elliot Meyer, Sebastian Daemgen","submitted_at":"2015-11-18T21:00:08Z","abstract_excerpt":"It is well known that stellar companions can influence the evolution of a protoplanetary disk. Nevertheless, previous disk surveys did not - and could not - consistently exclude binaries from their samples. We present a study dedicated to investigating the frequency of ongoing disk accretion around single stars in a star-forming region. We obtained near-infrared spectroscopy of 54 low-mass stars selected from a high-angular resolution survey in the 2-3 Myr-old Chamaeleon I region to determine the presence of Brackett-$\\gamma$ emission, taking the residual chance of undetected multiplicity into"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.05965","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"1511.05965","created_at":"2026-05-18T01:22:33.056088+00:00"},{"alias_kind":"arxiv_version","alias_value":"1511.05965v3","created_at":"2026-05-18T01:22:33.056088+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.05965","created_at":"2026-05-18T01:22:33.056088+00:00"},{"alias_kind":"pith_short_12","alias_value":"BHNCI25UAQR2","created_at":"2026-05-18T12:29:14.074870+00:00"},{"alias_kind":"pith_short_16","alias_value":"BHNCI25UAQR2YVJ2","created_at":"2026-05-18T12:29:14.074870+00:00"},{"alias_kind":"pith_short_8","alias_value":"BHNCI25U","created_at":"2026-05-18T12:29:14.074870+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/BHNCI25UAQR2YVJ2ZF6Z4QT2AP","json":"https://pith.science/pith/BHNCI25UAQR2YVJ2ZF6Z4QT2AP.json","graph_json":"https://pith.science/api/pith-number/BHNCI25UAQR2YVJ2ZF6Z4QT2AP/graph.json","events_json":"https://pith.science/api/pith-number/BHNCI25UAQR2YVJ2ZF6Z4QT2AP/events.json","paper":"https://pith.science/paper/BHNCI25U"},"agent_actions":{"view_html":"https://pith.science/pith/BHNCI25UAQR2YVJ2ZF6Z4QT2AP","download_json":"https://pith.science/pith/BHNCI25UAQR2YVJ2ZF6Z4QT2AP.json","view_paper":"https://pith.science/paper/BHNCI25U","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1511.05965&json=true","fetch_graph":"https://pith.science/api/pith-number/BHNCI25UAQR2YVJ2ZF6Z4QT2AP/graph.json","fetch_events":"https://pith.science/api/pith-number/BHNCI25UAQR2YVJ2ZF6Z4QT2AP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BHNCI25UAQR2YVJ2ZF6Z4QT2AP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BHNCI25UAQR2YVJ2ZF6Z4QT2AP/action/storage_attestation","attest_author":"https://pith.science/pith/BHNCI25UAQR2YVJ2ZF6Z4QT2AP/action/author_attestation","sign_citation":"https://pith.science/pith/BHNCI25UAQR2YVJ2ZF6Z4QT2AP/action/citation_signature","submit_replication":"https://pith.science/pith/BHNCI25UAQR2YVJ2ZF6Z4QT2AP/action/replication_record"}},"created_at":"2026-05-18T01:22:33.056088+00:00","updated_at":"2026-05-18T01:22:33.056088+00:00"}