{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:SKVGFNUZNTTYLSO2BVJRDD4LAD","short_pith_number":"pith:SKVGFNUZ","schema_version":"1.0","canonical_sha256":"92aa62b6996ce785c9da0d53118f8b00fb265e625ba10871901e2f3d1791fedd","source":{"kind":"arxiv","id":"1509.06745","version":1},"attestation_state":"computed","paper":{"title":"Non-azimuthal linear polarization in protoplanetary disks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"C. Pinte, F. M\\'enard, H. Avenhaus, H. Canovas, J. de Boer, M.R. Schreiber","submitted_at":"2015-09-22T20:07:21Z","abstract_excerpt":"Several studies discussing imaging polarimetry observations of protoplanetary disks use the so-called radial Stokes parameters Q_phi and U_phi to discuss the results. This approach has the advantage of providing a direct measure of the noise in the polarized images under the assumption that the polarization is azimuthal only, i.e., perpendicular to the direction towards the illuminating source. However, a detailed study of the validity of this assumption is currently missing. We aim to test whether departures from azimuthal polarization can naturally be produced by scattering processes in opti"},"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":"1509.06745","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-09-22T20:07:21Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"4fb67b56fabb8d91064b704d43d333730b71c8064f04febe331730a474f86668","abstract_canon_sha256":"2d523a0ce6447385d071b432abb38cf11574f549504ad71b35cb81f01f9f2871"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:17.524892Z","signature_b64":"tlVSZDQMFH88NbsuLWTfpjmC951UQttTyXTDHiGdKWCkCIZSimjuMKtwZtu57e+AEtKapQDrnig+PbfVAd36Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"92aa62b6996ce785c9da0d53118f8b00fb265e625ba10871901e2f3d1791fedd","last_reissued_at":"2026-05-18T01:30:17.524174Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:17.524174Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Non-azimuthal linear polarization in protoplanetary disks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"C. Pinte, F. M\\'enard, H. Avenhaus, H. Canovas, J. de Boer, M.R. Schreiber","submitted_at":"2015-09-22T20:07:21Z","abstract_excerpt":"Several studies discussing imaging polarimetry observations of protoplanetary disks use the so-called radial Stokes parameters Q_phi and U_phi to discuss the results. This approach has the advantage of providing a direct measure of the noise in the polarized images under the assumption that the polarization is azimuthal only, i.e., perpendicular to the direction towards the illuminating source. However, a detailed study of the validity of this assumption is currently missing. We aim to test whether departures from azimuthal polarization can naturally be produced by scattering processes in opti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.06745","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":"1509.06745","created_at":"2026-05-18T01:30:17.524298+00:00"},{"alias_kind":"arxiv_version","alias_value":"1509.06745v1","created_at":"2026-05-18T01:30:17.524298+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.06745","created_at":"2026-05-18T01:30:17.524298+00:00"},{"alias_kind":"pith_short_12","alias_value":"SKVGFNUZNTTY","created_at":"2026-05-18T12:29:42.218222+00:00"},{"alias_kind":"pith_short_16","alias_value":"SKVGFNUZNTTYLSO2","created_at":"2026-05-18T12:29:42.218222+00:00"},{"alias_kind":"pith_short_8","alias_value":"SKVGFNUZ","created_at":"2026-05-18T12:29:42.218222+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/SKVGFNUZNTTYLSO2BVJRDD4LAD","json":"https://pith.science/pith/SKVGFNUZNTTYLSO2BVJRDD4LAD.json","graph_json":"https://pith.science/api/pith-number/SKVGFNUZNTTYLSO2BVJRDD4LAD/graph.json","events_json":"https://pith.science/api/pith-number/SKVGFNUZNTTYLSO2BVJRDD4LAD/events.json","paper":"https://pith.science/paper/SKVGFNUZ"},"agent_actions":{"view_html":"https://pith.science/pith/SKVGFNUZNTTYLSO2BVJRDD4LAD","download_json":"https://pith.science/pith/SKVGFNUZNTTYLSO2BVJRDD4LAD.json","view_paper":"https://pith.science/paper/SKVGFNUZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1509.06745&json=true","fetch_graph":"https://pith.science/api/pith-number/SKVGFNUZNTTYLSO2BVJRDD4LAD/graph.json","fetch_events":"https://pith.science/api/pith-number/SKVGFNUZNTTYLSO2BVJRDD4LAD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SKVGFNUZNTTYLSO2BVJRDD4LAD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SKVGFNUZNTTYLSO2BVJRDD4LAD/action/storage_attestation","attest_author":"https://pith.science/pith/SKVGFNUZNTTYLSO2BVJRDD4LAD/action/author_attestation","sign_citation":"https://pith.science/pith/SKVGFNUZNTTYLSO2BVJRDD4LAD/action/citation_signature","submit_replication":"https://pith.science/pith/SKVGFNUZNTTYLSO2BVJRDD4LAD/action/replication_record"}},"created_at":"2026-05-18T01:30:17.524298+00:00","updated_at":"2026-05-18T01:30:17.524298+00:00"}