{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:65TNQQYKBB33YSKKVV4GCCV7Z7","short_pith_number":"pith:65TNQQYK","schema_version":"1.0","canonical_sha256":"f766d8430a0877bc494aad78610abfcff086d23363b6498d3e0146e0e0d798f8","source":{"kind":"arxiv","id":"1706.04039","version":1},"attestation_state":"computed","paper":{"title":"General theory for super-sensitive dual-wavelength phase metrology: error-free unwrapping and signal-to-noise ratio","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.ins-det","authors_text":"Guillermo Garnica, Manuel Servin, Moises Padilla","submitted_at":"2017-06-08T15:53:40Z","abstract_excerpt":"From 1971 to 2012 dual-wavelength optical-metrology used only the demodulated low-sensitivity phase-difference of two close-sensitive fringes. Dual-wavelength phase-metrology that additionally uses the phase-sum was first reported by Di et al. in 2013 [28]; this was an important step to increase the phase-accuracy in optical metrology. This and its derived papers however do not offer mathematical analysis for signal-to-noise ratio (SNR) for the phase-difference and phase-sum. Neither provide the mathematical analysis for unwrapping the phase-sum without errors. Here a general theory for super-"},"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":"1706.04039","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-06-08T15:53:40Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"040407f83ba9965fa267b890bb63cdfee1457c375c347ad2b17a1928d9d1ce98","abstract_canon_sha256":"364823514d9f7515896b6c107d3db5a0a4f1966590a6a71b5d724a6f0928b4bd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:19:35.677329Z","signature_b64":"pKIfrSMM/Bu5z/ZWS3YkC48l0i5RCtT23pQb5EAomq8PGiMOqSrDNXzIN4Ay4p6+0WjN5eSyZdbSapLUaKGxBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f766d8430a0877bc494aad78610abfcff086d23363b6498d3e0146e0e0d798f8","last_reissued_at":"2026-05-18T00:19:35.676818Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:19:35.676818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"General theory for super-sensitive dual-wavelength phase metrology: error-free unwrapping and signal-to-noise ratio","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.ins-det","authors_text":"Guillermo Garnica, Manuel Servin, Moises Padilla","submitted_at":"2017-06-08T15:53:40Z","abstract_excerpt":"From 1971 to 2012 dual-wavelength optical-metrology used only the demodulated low-sensitivity phase-difference of two close-sensitive fringes. Dual-wavelength phase-metrology that additionally uses the phase-sum was first reported by Di et al. in 2013 [28]; this was an important step to increase the phase-accuracy in optical metrology. This and its derived papers however do not offer mathematical analysis for signal-to-noise ratio (SNR) for the phase-difference and phase-sum. Neither provide the mathematical analysis for unwrapping the phase-sum without errors. Here a general theory for super-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.04039","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":"1706.04039","created_at":"2026-05-18T00:19:35.676897+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.04039v1","created_at":"2026-05-18T00:19:35.676897+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.04039","created_at":"2026-05-18T00:19:35.676897+00:00"},{"alias_kind":"pith_short_12","alias_value":"65TNQQYKBB33","created_at":"2026-05-18T12:31:03.183658+00:00"},{"alias_kind":"pith_short_16","alias_value":"65TNQQYKBB33YSKK","created_at":"2026-05-18T12:31:03.183658+00:00"},{"alias_kind":"pith_short_8","alias_value":"65TNQQYK","created_at":"2026-05-18T12:31:03.183658+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/65TNQQYKBB33YSKKVV4GCCV7Z7","json":"https://pith.science/pith/65TNQQYKBB33YSKKVV4GCCV7Z7.json","graph_json":"https://pith.science/api/pith-number/65TNQQYKBB33YSKKVV4GCCV7Z7/graph.json","events_json":"https://pith.science/api/pith-number/65TNQQYKBB33YSKKVV4GCCV7Z7/events.json","paper":"https://pith.science/paper/65TNQQYK"},"agent_actions":{"view_html":"https://pith.science/pith/65TNQQYKBB33YSKKVV4GCCV7Z7","download_json":"https://pith.science/pith/65TNQQYKBB33YSKKVV4GCCV7Z7.json","view_paper":"https://pith.science/paper/65TNQQYK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.04039&json=true","fetch_graph":"https://pith.science/api/pith-number/65TNQQYKBB33YSKKVV4GCCV7Z7/graph.json","fetch_events":"https://pith.science/api/pith-number/65TNQQYKBB33YSKKVV4GCCV7Z7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/65TNQQYKBB33YSKKVV4GCCV7Z7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/65TNQQYKBB33YSKKVV4GCCV7Z7/action/storage_attestation","attest_author":"https://pith.science/pith/65TNQQYKBB33YSKKVV4GCCV7Z7/action/author_attestation","sign_citation":"https://pith.science/pith/65TNQQYKBB33YSKKVV4GCCV7Z7/action/citation_signature","submit_replication":"https://pith.science/pith/65TNQQYKBB33YSKKVV4GCCV7Z7/action/replication_record"}},"created_at":"2026-05-18T00:19:35.676897+00:00","updated_at":"2026-05-18T00:19:35.676897+00:00"}