{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:XIHRYTVVD3UDJWCL4XXALKEPQ5","short_pith_number":"pith:XIHRYTVV","schema_version":"1.0","canonical_sha256":"ba0f1c4eb51ee834d84be5ee05a88f876adda610bacfb9a1dfbea1d887bbbfe1","source":{"kind":"arxiv","id":"1312.0437","version":2},"attestation_state":"computed","paper":{"title":"A novel estimator of the polarization amplitude from normally distributed Stokes parameters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"F. Levrier, L. Montier, M. Tristram, S. Plaszczynski","submitted_at":"2013-12-02T12:44:27Z","abstract_excerpt":"We propose a novel estimator of the polarization amplitude from a single measurement of its normally distributed $(Q,U)$ Stokes components. Based on the properties of the Rice distribution and dubbed 'MAS' (Modified ASymptotic), it meets several desirable criteria:(i) its values lie in the whole positive region; (ii) its distribution is continuous; (iii) it transforms smoothly with the signal-to-noise ratio (SNR) from a Rayleigh-like shape to a Gaussian one; (iv) it is unbiased and reaches its components' variance as soon as the SNR exceeds 2; (v) it is analytic and can therefore be used on la"},"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":"1312.0437","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-12-02T12:44:27Z","cross_cats_sorted":[],"title_canon_sha256":"ee0e5d72c75cefdebd95d6f478cccbaf1766378ef92e1652ea97e15e7db9a3a8","abstract_canon_sha256":"21bf777d8e0ff3329f540f5642d313b57e8199e3057874dc71db1eaaeaf97d6e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:52:58.119074Z","signature_b64":"cXsPMwRqxnnvA23IJOV5tGh/++YS7BNa1ol2h+vfmbbQneoXaTYljI/2So+Gq1miD3tkOTIt/XZrDMr2itVtCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba0f1c4eb51ee834d84be5ee05a88f876adda610bacfb9a1dfbea1d887bbbfe1","last_reissued_at":"2026-05-18T02:52:58.118421Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:52:58.118421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A novel estimator of the polarization amplitude from normally distributed Stokes parameters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"F. Levrier, L. Montier, M. Tristram, S. Plaszczynski","submitted_at":"2013-12-02T12:44:27Z","abstract_excerpt":"We propose a novel estimator of the polarization amplitude from a single measurement of its normally distributed $(Q,U)$ Stokes components. Based on the properties of the Rice distribution and dubbed 'MAS' (Modified ASymptotic), it meets several desirable criteria:(i) its values lie in the whole positive region; (ii) its distribution is continuous; (iii) it transforms smoothly with the signal-to-noise ratio (SNR) from a Rayleigh-like shape to a Gaussian one; (iv) it is unbiased and reaches its components' variance as soon as the SNR exceeds 2; (v) it is analytic and can therefore be used on la"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.0437","kind":"arxiv","version":2},"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":"1312.0437","created_at":"2026-05-18T02:52:58.118522+00:00"},{"alias_kind":"arxiv_version","alias_value":"1312.0437v2","created_at":"2026-05-18T02:52:58.118522+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.0437","created_at":"2026-05-18T02:52:58.118522+00:00"},{"alias_kind":"pith_short_12","alias_value":"XIHRYTVVD3UD","created_at":"2026-05-18T12:28:06.772260+00:00"},{"alias_kind":"pith_short_16","alias_value":"XIHRYTVVD3UDJWCL","created_at":"2026-05-18T12:28:06.772260+00:00"},{"alias_kind":"pith_short_8","alias_value":"XIHRYTVV","created_at":"2026-05-18T12:28:06.772260+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2606.28561","citing_title":"JWST observations of SN 2024abup: First Detection of CO in a broad-lined Type Ic Supernova and Constraints on r-process Nucleosynthesis","ref_index":240,"is_internal_anchor":true},{"citing_arxiv_id":"2606.04713","citing_title":"Statistical analysis of the relative orientations between filaments and magnetic fields using Herschel and Planck data in star-forming regions","ref_index":85,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/XIHRYTVVD3UDJWCL4XXALKEPQ5","json":"https://pith.science/pith/XIHRYTVVD3UDJWCL4XXALKEPQ5.json","graph_json":"https://pith.science/api/pith-number/XIHRYTVVD3UDJWCL4XXALKEPQ5/graph.json","events_json":"https://pith.science/api/pith-number/XIHRYTVVD3UDJWCL4XXALKEPQ5/events.json","paper":"https://pith.science/paper/XIHRYTVV"},"agent_actions":{"view_html":"https://pith.science/pith/XIHRYTVVD3UDJWCL4XXALKEPQ5","download_json":"https://pith.science/pith/XIHRYTVVD3UDJWCL4XXALKEPQ5.json","view_paper":"https://pith.science/paper/XIHRYTVV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1312.0437&json=true","fetch_graph":"https://pith.science/api/pith-number/XIHRYTVVD3UDJWCL4XXALKEPQ5/graph.json","fetch_events":"https://pith.science/api/pith-number/XIHRYTVVD3UDJWCL4XXALKEPQ5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XIHRYTVVD3UDJWCL4XXALKEPQ5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XIHRYTVVD3UDJWCL4XXALKEPQ5/action/storage_attestation","attest_author":"https://pith.science/pith/XIHRYTVVD3UDJWCL4XXALKEPQ5/action/author_attestation","sign_citation":"https://pith.science/pith/XIHRYTVVD3UDJWCL4XXALKEPQ5/action/citation_signature","submit_replication":"https://pith.science/pith/XIHRYTVVD3UDJWCL4XXALKEPQ5/action/replication_record"}},"created_at":"2026-05-18T02:52:58.118522+00:00","updated_at":"2026-05-18T02:52:58.118522+00:00"}