{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:GW6PYWJ25ECFRQ4KX36KODXIPU","short_pith_number":"pith:GW6PYWJ2","schema_version":"1.0","canonical_sha256":"35bcfc593ae90458c38abefca70ee87d2752436c203c9b838201529580fa55d4","source":{"kind":"arxiv","id":"1111.7068","version":1},"attestation_state":"computed","paper":{"title":"Unveiling the super-orbital modulation of LS I +61 303 in X-rays","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Daniela Hadasch, Diego F. Torres, G. Andrea Caliandro, Jian Li, Jianmin Wang, Nanda Rea, Shu Zhang, YuPeng Chen","submitted_at":"2011-11-30T07:10:06Z","abstract_excerpt":"From the longest monitoring of LS I +61 303 done to date by the Rossi X-ray Timing Explorer (RXTE) we found evidence for the long-sought, years- long modulation in the X-ray emission of the source. The time evolution of the modulated fraction in the orbital lightcurves can be well fitted with a sinusoidal function having a super-orbital period of 1667 days, the same as the one reported in non-contemporaneous radio measurements. However, we have found a 281.8 \\pm 44.6 days shift between the super-orbital variability found at radio frequencies extrapolated to the observation time of our campaign"},"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":"1111.7068","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-11-30T07:10:06Z","cross_cats_sorted":[],"title_canon_sha256":"a6a75348170cdd7e109577619c49c79cd102ace85d90af2f6ce6c154ce163173","abstract_canon_sha256":"44a18957216b5b6cbeb3725efc720814285e808cbf0faaf3edd0e6ae41ac6d6f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:21.315926Z","signature_b64":"bX3uAkPxpWJ5MgwJ9zztWVk3JhexHWXECTamoSq0cougKpICY5NsLsm8+5qwV9Dq4AEP/P2G6Mib1nq16PfhCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"35bcfc593ae90458c38abefca70ee87d2752436c203c9b838201529580fa55d4","last_reissued_at":"2026-05-18T01:59:21.315285Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:21.315285Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Unveiling the super-orbital modulation of LS I +61 303 in X-rays","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Daniela Hadasch, Diego F. Torres, G. Andrea Caliandro, Jian Li, Jianmin Wang, Nanda Rea, Shu Zhang, YuPeng Chen","submitted_at":"2011-11-30T07:10:06Z","abstract_excerpt":"From the longest monitoring of LS I +61 303 done to date by the Rossi X-ray Timing Explorer (RXTE) we found evidence for the long-sought, years- long modulation in the X-ray emission of the source. The time evolution of the modulated fraction in the orbital lightcurves can be well fitted with a sinusoidal function having a super-orbital period of 1667 days, the same as the one reported in non-contemporaneous radio measurements. However, we have found a 281.8 \\pm 44.6 days shift between the super-orbital variability found at radio frequencies extrapolated to the observation time of our campaign"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.7068","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":""},"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":"1111.7068","created_at":"2026-05-18T01:59:21.315379+00:00"},{"alias_kind":"arxiv_version","alias_value":"1111.7068v1","created_at":"2026-05-18T01:59:21.315379+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.7068","created_at":"2026-05-18T01:59:21.315379+00:00"},{"alias_kind":"pith_short_12","alias_value":"GW6PYWJ25ECF","created_at":"2026-05-18T12:26:30.835961+00:00"},{"alias_kind":"pith_short_16","alias_value":"GW6PYWJ25ECFRQ4K","created_at":"2026-05-18T12:26:30.835961+00:00"},{"alias_kind":"pith_short_8","alias_value":"GW6PYWJ2","created_at":"2026-05-18T12:26:30.835961+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/GW6PYWJ25ECFRQ4KX36KODXIPU","json":"https://pith.science/pith/GW6PYWJ25ECFRQ4KX36KODXIPU.json","graph_json":"https://pith.science/api/pith-number/GW6PYWJ25ECFRQ4KX36KODXIPU/graph.json","events_json":"https://pith.science/api/pith-number/GW6PYWJ25ECFRQ4KX36KODXIPU/events.json","paper":"https://pith.science/paper/GW6PYWJ2"},"agent_actions":{"view_html":"https://pith.science/pith/GW6PYWJ25ECFRQ4KX36KODXIPU","download_json":"https://pith.science/pith/GW6PYWJ25ECFRQ4KX36KODXIPU.json","view_paper":"https://pith.science/paper/GW6PYWJ2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1111.7068&json=true","fetch_graph":"https://pith.science/api/pith-number/GW6PYWJ25ECFRQ4KX36KODXIPU/graph.json","fetch_events":"https://pith.science/api/pith-number/GW6PYWJ25ECFRQ4KX36KODXIPU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GW6PYWJ25ECFRQ4KX36KODXIPU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GW6PYWJ25ECFRQ4KX36KODXIPU/action/storage_attestation","attest_author":"https://pith.science/pith/GW6PYWJ25ECFRQ4KX36KODXIPU/action/author_attestation","sign_citation":"https://pith.science/pith/GW6PYWJ25ECFRQ4KX36KODXIPU/action/citation_signature","submit_replication":"https://pith.science/pith/GW6PYWJ25ECFRQ4KX36KODXIPU/action/replication_record"}},"created_at":"2026-05-18T01:59:21.315379+00:00","updated_at":"2026-05-18T01:59:21.315379+00:00"}