{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:A5SDYT3J7WNEGZCP2PNM7QIDYY","short_pith_number":"pith:A5SDYT3J","schema_version":"1.0","canonical_sha256":"07643c4f69fd9a43644fd3dacfc103c61bf035bd70ac89e9fea1c8db53a8d6e7","source":{"kind":"arxiv","id":"1303.5668","version":1},"attestation_state":"computed","paper":{"title":"Common mode noise rejection properties of amplitude and phase noise in a heterodyne interferometer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics","physics.space-ph"],"primary_cat":"physics.ins-det","authors_text":"Gerald Hechenblaikner","submitted_at":"2013-03-22T17:25:55Z","abstract_excerpt":"High precision metrology systems based on heterodyne interferometry can measure position and attitude of objects to accuracies of picometer and nanorad, respectively. A frequently found feature of the general system design is the subtraction of a reference phase from the phase of the position interferometer, which suppresses low frequency common mode amplitude and phase fluctuations occurring in volatile optical path sections shared by both, the position and reference interferometer. Spectral components of the noise at frequencies around or higher than the heterodyne frequency, however, are ge"},"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":"1303.5668","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-03-22T17:25:55Z","cross_cats_sorted":["physics.optics","physics.space-ph"],"title_canon_sha256":"63988d9b4968cd809e74b2663c9cf378191730d5a7f8e20d803d29bec49ce307","abstract_canon_sha256":"3526887b5afddc4e65803b7918ae532444bd37fb534b1bfa07a459608c373438"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:27:34.033604Z","signature_b64":"2KVRROwKYrqvvC3h621WJtAVIqSxaARFC4w1M58TmQQ2urIFt8ZYAhvHGHC4rX6GLpDU7tOkMGiqyLfjQf51Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"07643c4f69fd9a43644fd3dacfc103c61bf035bd70ac89e9fea1c8db53a8d6e7","last_reissued_at":"2026-05-18T03:27:34.033108Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:27:34.033108Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Common mode noise rejection properties of amplitude and phase noise in a heterodyne interferometer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics","physics.space-ph"],"primary_cat":"physics.ins-det","authors_text":"Gerald Hechenblaikner","submitted_at":"2013-03-22T17:25:55Z","abstract_excerpt":"High precision metrology systems based on heterodyne interferometry can measure position and attitude of objects to accuracies of picometer and nanorad, respectively. A frequently found feature of the general system design is the subtraction of a reference phase from the phase of the position interferometer, which suppresses low frequency common mode amplitude and phase fluctuations occurring in volatile optical path sections shared by both, the position and reference interferometer. Spectral components of the noise at frequencies around or higher than the heterodyne frequency, however, are ge"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.5668","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":"1303.5668","created_at":"2026-05-18T03:27:34.033174+00:00"},{"alias_kind":"arxiv_version","alias_value":"1303.5668v1","created_at":"2026-05-18T03:27:34.033174+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.5668","created_at":"2026-05-18T03:27:34.033174+00:00"},{"alias_kind":"pith_short_12","alias_value":"A5SDYT3J7WNE","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_16","alias_value":"A5SDYT3J7WNEGZCP","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_8","alias_value":"A5SDYT3J","created_at":"2026-05-18T12:27:38.830355+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/A5SDYT3J7WNEGZCP2PNM7QIDYY","json":"https://pith.science/pith/A5SDYT3J7WNEGZCP2PNM7QIDYY.json","graph_json":"https://pith.science/api/pith-number/A5SDYT3J7WNEGZCP2PNM7QIDYY/graph.json","events_json":"https://pith.science/api/pith-number/A5SDYT3J7WNEGZCP2PNM7QIDYY/events.json","paper":"https://pith.science/paper/A5SDYT3J"},"agent_actions":{"view_html":"https://pith.science/pith/A5SDYT3J7WNEGZCP2PNM7QIDYY","download_json":"https://pith.science/pith/A5SDYT3J7WNEGZCP2PNM7QIDYY.json","view_paper":"https://pith.science/paper/A5SDYT3J","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1303.5668&json=true","fetch_graph":"https://pith.science/api/pith-number/A5SDYT3J7WNEGZCP2PNM7QIDYY/graph.json","fetch_events":"https://pith.science/api/pith-number/A5SDYT3J7WNEGZCP2PNM7QIDYY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/A5SDYT3J7WNEGZCP2PNM7QIDYY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/A5SDYT3J7WNEGZCP2PNM7QIDYY/action/storage_attestation","attest_author":"https://pith.science/pith/A5SDYT3J7WNEGZCP2PNM7QIDYY/action/author_attestation","sign_citation":"https://pith.science/pith/A5SDYT3J7WNEGZCP2PNM7QIDYY/action/citation_signature","submit_replication":"https://pith.science/pith/A5SDYT3J7WNEGZCP2PNM7QIDYY/action/replication_record"}},"created_at":"2026-05-18T03:27:34.033174+00:00","updated_at":"2026-05-18T03:27:34.033174+00:00"}