{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:LPIMQOEZ3EOL5652ZZXAHROFOB","short_pith_number":"pith:LPIMQOEZ","schema_version":"1.0","canonical_sha256":"5bd0c83899d91cbefbbace6e03c5c5706e184400763d0baae0ca31ce5da7c142","source":{"kind":"arxiv","id":"1212.3446","version":1},"attestation_state":"computed","paper":{"title":"High-fidelity radio astronomical polarimetry using a millisecond pulsar as a polarized reference source","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"W. van Straten","submitted_at":"2012-12-14T11:55:16Z","abstract_excerpt":"A new method of polarimetric calibration is presented in which the instrumental response is derived from regular observations of PSR J0437-4715 based on the assumption that the mean polarized emission from this millisecond pulsar remains constant over time. The technique is applicable to any experiment in which high-fidelity polarimetry is required over long time scales; it is demonstrated by calibrating 7.2 years of high-precision timing observations of PSR J1022+1001 made at the Parkes Observatory. Application of the new technique followed by arrival time estimation using matrix template mat"},"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":"1212.3446","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-12-14T11:55:16Z","cross_cats_sorted":[],"title_canon_sha256":"c8f2c53291f7e0371e765ae009a91a67e71a36164fed09a25d7e0d89624ee0ba","abstract_canon_sha256":"a73562e94a867e61faa93e5a1e49f6c493d2cb4b411593c3427b71420ea120f9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:36:45.962143Z","signature_b64":"TevvKXcRRXSWYfU7j0AKWOfO8szheiV0zqXJRBg5FRRKz/ra9c63Ieyk/PbdJhJ5MQAH3UXlTZlJoRdQ9jpyBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5bd0c83899d91cbefbbace6e03c5c5706e184400763d0baae0ca31ce5da7c142","last_reissued_at":"2026-05-18T03:36:45.961355Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:36:45.961355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"High-fidelity radio astronomical polarimetry using a millisecond pulsar as a polarized reference source","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"W. van Straten","submitted_at":"2012-12-14T11:55:16Z","abstract_excerpt":"A new method of polarimetric calibration is presented in which the instrumental response is derived from regular observations of PSR J0437-4715 based on the assumption that the mean polarized emission from this millisecond pulsar remains constant over time. The technique is applicable to any experiment in which high-fidelity polarimetry is required over long time scales; it is demonstrated by calibrating 7.2 years of high-precision timing observations of PSR J1022+1001 made at the Parkes Observatory. Application of the new technique followed by arrival time estimation using matrix template mat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.3446","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":"1212.3446","created_at":"2026-05-18T03:36:45.961483+00:00"},{"alias_kind":"arxiv_version","alias_value":"1212.3446v1","created_at":"2026-05-18T03:36:45.961483+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.3446","created_at":"2026-05-18T03:36:45.961483+00:00"},{"alias_kind":"pith_short_12","alias_value":"LPIMQOEZ3EOL","created_at":"2026-05-18T12:27:14.488303+00:00"},{"alias_kind":"pith_short_16","alias_value":"LPIMQOEZ3EOL5652","created_at":"2026-05-18T12:27:14.488303+00:00"},{"alias_kind":"pith_short_8","alias_value":"LPIMQOEZ","created_at":"2026-05-18T12:27:14.488303+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2506.08056","citing_title":"Unlocking the hidden potential of pulsar astronomy","ref_index":95,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/LPIMQOEZ3EOL5652ZZXAHROFOB","json":"https://pith.science/pith/LPIMQOEZ3EOL5652ZZXAHROFOB.json","graph_json":"https://pith.science/api/pith-number/LPIMQOEZ3EOL5652ZZXAHROFOB/graph.json","events_json":"https://pith.science/api/pith-number/LPIMQOEZ3EOL5652ZZXAHROFOB/events.json","paper":"https://pith.science/paper/LPIMQOEZ"},"agent_actions":{"view_html":"https://pith.science/pith/LPIMQOEZ3EOL5652ZZXAHROFOB","download_json":"https://pith.science/pith/LPIMQOEZ3EOL5652ZZXAHROFOB.json","view_paper":"https://pith.science/paper/LPIMQOEZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1212.3446&json=true","fetch_graph":"https://pith.science/api/pith-number/LPIMQOEZ3EOL5652ZZXAHROFOB/graph.json","fetch_events":"https://pith.science/api/pith-number/LPIMQOEZ3EOL5652ZZXAHROFOB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LPIMQOEZ3EOL5652ZZXAHROFOB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LPIMQOEZ3EOL5652ZZXAHROFOB/action/storage_attestation","attest_author":"https://pith.science/pith/LPIMQOEZ3EOL5652ZZXAHROFOB/action/author_attestation","sign_citation":"https://pith.science/pith/LPIMQOEZ3EOL5652ZZXAHROFOB/action/citation_signature","submit_replication":"https://pith.science/pith/LPIMQOEZ3EOL5652ZZXAHROFOB/action/replication_record"}},"created_at":"2026-05-18T03:36:45.961483+00:00","updated_at":"2026-05-18T03:36:45.961483+00:00"}