{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:KJYGDYYDPFCOTYCHKPQPURJVXW","short_pith_number":"pith:KJYGDYYD","schema_version":"1.0","canonical_sha256":"527061e3037944e9e04753e0fa4535bdad5bd76af8de10c6506097105e92f9cb","source":{"kind":"arxiv","id":"2607.22405","version":1},"attestation_state":"computed","paper":{"title":"A closer look at the WISPIT 2 host star. Evidence for a spectroscopic binary","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Cade J. B\\\"urgy, Carlo F. Manara, Hala Alqubelat, Myriam Benisty, Stefano Facchini","submitted_at":"2026-07-24T15:24:29Z","abstract_excerpt":"While hundreds of protoplanetary discs have been studied in great detail, the detection of protoplanets still embedded in their native discs remains rare. WISPIT 2 is only the second laboratory allowing for direct study of planet formation while in progress. The recently discovered system hosts two giant protoplanets in a multi-ringed disc. Here, we aim at characterising the WISPIT 2 host star spectroscopically to determine its stellar properties, accretion rate, and inner disc diagnostics, providing a more complete picture of the system. We present optical and near-infrared spectroscopic obse"},"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":"2607.22405","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-07-24T15:24:29Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"52d969f5eb23f278dad876c2bbf529db4c251736f227b5a5ec89b4a20c6ba5e3","abstract_canon_sha256":"92ef96e297e4ddcc840346820a11bdc014d63693322f14fa1dc8c91b054a2c7a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-27T01:21:19.352434Z","signature_b64":"a9pJjVKTKo43LTSubr5ABQsR48gPghLG8cx7elJtEMNX63efSf5mdwESVJTFPoccDs17nosD7WDjFzmKsaaXBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"527061e3037944e9e04753e0fa4535bdad5bd76af8de10c6506097105e92f9cb","last_reissued_at":"2026-07-27T01:21:19.351575Z","signature_status":"signed_v1","first_computed_at":"2026-07-27T01:21:19.351575Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A closer look at the WISPIT 2 host star. Evidence for a spectroscopic binary","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Cade J. B\\\"urgy, Carlo F. Manara, Hala Alqubelat, Myriam Benisty, Stefano Facchini","submitted_at":"2026-07-24T15:24:29Z","abstract_excerpt":"While hundreds of protoplanetary discs have been studied in great detail, the detection of protoplanets still embedded in their native discs remains rare. WISPIT 2 is only the second laboratory allowing for direct study of planet formation while in progress. The recently discovered system hosts two giant protoplanets in a multi-ringed disc. Here, we aim at characterising the WISPIT 2 host star spectroscopically to determine its stellar properties, accretion rate, and inner disc diagnostics, providing a more complete picture of the system. We present optical and near-infrared spectroscopic obse"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.22405","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/2607.22405/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":"2607.22405","created_at":"2026-07-27T01:21:19.352011+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.22405v1","created_at":"2026-07-27T01:21:19.352011+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.22405","created_at":"2026-07-27T01:21:19.352011+00:00"},{"alias_kind":"pith_short_12","alias_value":"KJYGDYYDPFCO","created_at":"2026-07-27T01:21:19.352011+00:00"},{"alias_kind":"pith_short_16","alias_value":"KJYGDYYDPFCOTYCH","created_at":"2026-07-27T01:21:19.352011+00:00"},{"alias_kind":"pith_short_8","alias_value":"KJYGDYYD","created_at":"2026-07-27T01:21:19.352011+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/KJYGDYYDPFCOTYCHKPQPURJVXW","json":"https://pith.science/pith/KJYGDYYDPFCOTYCHKPQPURJVXW.json","graph_json":"https://pith.science/api/pith-number/KJYGDYYDPFCOTYCHKPQPURJVXW/graph.json","events_json":"https://pith.science/api/pith-number/KJYGDYYDPFCOTYCHKPQPURJVXW/events.json","paper":"https://pith.science/paper/KJYGDYYD"},"agent_actions":{"view_html":"https://pith.science/pith/KJYGDYYDPFCOTYCHKPQPURJVXW","download_json":"https://pith.science/pith/KJYGDYYDPFCOTYCHKPQPURJVXW.json","view_paper":"https://pith.science/paper/KJYGDYYD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.22405&json=true","fetch_graph":"https://pith.science/api/pith-number/KJYGDYYDPFCOTYCHKPQPURJVXW/graph.json","fetch_events":"https://pith.science/api/pith-number/KJYGDYYDPFCOTYCHKPQPURJVXW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KJYGDYYDPFCOTYCHKPQPURJVXW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KJYGDYYDPFCOTYCHKPQPURJVXW/action/storage_attestation","attest_author":"https://pith.science/pith/KJYGDYYDPFCOTYCHKPQPURJVXW/action/author_attestation","sign_citation":"https://pith.science/pith/KJYGDYYDPFCOTYCHKPQPURJVXW/action/citation_signature","submit_replication":"https://pith.science/pith/KJYGDYYDPFCOTYCHKPQPURJVXW/action/replication_record"}},"created_at":"2026-07-27T01:21:19.352011+00:00","updated_at":"2026-07-27T01:21:19.352011+00:00"}