{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:QGXVUMI7W4WNYTO4QP3POH7NPJ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"56a967e528a5325ac93253c8d59a24de3ba3f1a75a4c4d25e08553a6ca850fec","cross_cats_sorted":["physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-07-02T10:32:38Z","title_canon_sha256":"494fe34695cf86c979c21df417a0e1d32ffce3ecc7b34430053ee8f0a6d82ad9"},"schema_version":"1.0","source":{"id":"1107.0367","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.0367","created_at":"2026-05-18T02:01:25Z"},{"alias_kind":"arxiv_version","alias_value":"1107.0367v2","created_at":"2026-05-18T02:01:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.0367","created_at":"2026-05-18T02:01:25Z"},{"alias_kind":"pith_short_12","alias_value":"QGXVUMI7W4WN","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QGXVUMI7W4WNYTO4","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QGXVUMI7","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:060388de01fac339ab3f976e04057b14bd8d579346da7b364c1e330debeb4289","target":"graph","created_at":"2026-05-18T02:01:25Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We analyze the generation of polarization cross-talk in Stokes polarimeters by atmospheric seeing, and its effects on the noise statistics of spectropolarimetric measurements for both single-beam and dual-beam instruments. We investigate the time evolution of seeing-induced correlations between different states of one modulation cycle, and compare the response to these correlations of two popular polarization modulation schemes in a dual-beam system. Extension of the formalism to encompass an arbitrary number of modulation cycles enables us to compare our results with earlier work. Even though","authors_text":"Alfred G. de Wijn, Philip G. Judge, Roberto Casini","cross_cats":["physics.data-an"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-07-02T10:32:38Z","title":"Analysis of Seeing-Induced Polarization Cross-Talk and Modulation Scheme Performance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.0367","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7eb192bbdef9e181595c4e80bb1a1f33077812e152e49420b95a698927f15c50","target":"record","created_at":"2026-05-18T02:01:25Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"56a967e528a5325ac93253c8d59a24de3ba3f1a75a4c4d25e08553a6ca850fec","cross_cats_sorted":["physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-07-02T10:32:38Z","title_canon_sha256":"494fe34695cf86c979c21df417a0e1d32ffce3ecc7b34430053ee8f0a6d82ad9"},"schema_version":"1.0","source":{"id":"1107.0367","kind":"arxiv","version":2}},"canonical_sha256":"81af5a311fb72cdc4ddc83f6f71fed7a5e6e3cf70b1c58c0759663bf3375c353","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81af5a311fb72cdc4ddc83f6f71fed7a5e6e3cf70b1c58c0759663bf3375c353","first_computed_at":"2026-05-18T02:01:25.631408Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:25.631408Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zb4EVRzjtWp1zfDQ+NG4yDk1z1T5ougm0QChJnRZDzf93xLOF8ObAeuqdS4mNaHZMg6eROS7wKsWsQ6OVPtcAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:25.632132Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.0367","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7eb192bbdef9e181595c4e80bb1a1f33077812e152e49420b95a698927f15c50","sha256:060388de01fac339ab3f976e04057b14bd8d579346da7b364c1e330debeb4289"],"state_sha256":"b6cfe13646572ad18e23b062cd33f2d3be77c851e70583100db32e2f77875a83"}