{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:PDYKVF6GECM5VYJRRSJ7E4GVFN","short_pith_number":"pith:PDYKVF6G","schema_version":"1.0","canonical_sha256":"78f0aa97c62099dae1318c93f270d52b467fc5ea5e1fefd16134bc583390ca84","source":{"kind":"arxiv","id":"physics/0411100","version":1},"attestation_state":"computed","paper":{"title":"Interrogation of a fiber Fabry-Perot sensor by current modulation of a diode laser","license":"","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"physics.optics","authors_text":"David E. McClelland, Ian C.M. Littler, Jeff S. Cumpston, Jong H. Chow, Malcolm B. Gray","submitted_at":"2004-11-09T13:55:00Z","abstract_excerpt":"We present a method for remote interrogation of passive fiber Bragg grating Fabry-Perot resonators, employing current modulation of the diode laser source. With the presence of both RF amplitude and frequency modulation, it is a variant of the ultra-sensitive Pound-Drever-Hall laser frequency locking technique. We demonstrate that current modulation and interferometric demodulation removes the need for a phase modulator in the sensing architecture."},"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":"physics/0411100","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.optics","submitted_at":"2004-11-09T13:55:00Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"b070d3f04e6165a079439138c8cd93d36dc5f6b9f0938bfef7a5a4f403e06c03","abstract_canon_sha256":"c1e2f8aefdbf5606491021f41125a7a1423286cff0b88f11ad1e754cf05774d3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:44:30.168799Z","signature_b64":"wiQTtW+wF1aRpYtqF/N0FXdMeTKzPoiuyKHmMXS5Qkzvyrs1mvQtN1tTjk/ZotbusGwDzVSANW2bmYaw+dZvAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78f0aa97c62099dae1318c93f270d52b467fc5ea5e1fefd16134bc583390ca84","last_reissued_at":"2026-07-04T14:44:30.168432Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:44:30.168432Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Interrogation of a fiber Fabry-Perot sensor by current modulation of a diode laser","license":"","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"physics.optics","authors_text":"David E. McClelland, Ian C.M. Littler, Jeff S. Cumpston, Jong H. Chow, Malcolm B. Gray","submitted_at":"2004-11-09T13:55:00Z","abstract_excerpt":"We present a method for remote interrogation of passive fiber Bragg grating Fabry-Perot resonators, employing current modulation of the diode laser source. With the presence of both RF amplitude and frequency modulation, it is a variant of the ultra-sensitive Pound-Drever-Hall laser frequency locking technique. We demonstrate that current modulation and interferometric demodulation removes the need for a phase modulator in the sensing architecture."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0411100","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/physics/0411100/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"physics/0411100","created_at":"2026-07-04T14:44:30.168487+00:00"},{"alias_kind":"arxiv_version","alias_value":"physics/0411100v1","created_at":"2026-07-04T14:44:30.168487+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0411100","created_at":"2026-07-04T14:44:30.168487+00:00"},{"alias_kind":"pith_short_12","alias_value":"PDYKVF6GECM5","created_at":"2026-07-04T14:44:30.168487+00:00"},{"alias_kind":"pith_short_16","alias_value":"PDYKVF6GECM5VYJR","created_at":"2026-07-04T14:44:30.168487+00:00"},{"alias_kind":"pith_short_8","alias_value":"PDYKVF6G","created_at":"2026-07-04T14:44:30.168487+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/PDYKVF6GECM5VYJRRSJ7E4GVFN","json":"https://pith.science/pith/PDYKVF6GECM5VYJRRSJ7E4GVFN.json","graph_json":"https://pith.science/api/pith-number/PDYKVF6GECM5VYJRRSJ7E4GVFN/graph.json","events_json":"https://pith.science/api/pith-number/PDYKVF6GECM5VYJRRSJ7E4GVFN/events.json","paper":"https://pith.science/paper/PDYKVF6G"},"agent_actions":{"view_html":"https://pith.science/pith/PDYKVF6GECM5VYJRRSJ7E4GVFN","download_json":"https://pith.science/pith/PDYKVF6GECM5VYJRRSJ7E4GVFN.json","view_paper":"https://pith.science/paper/PDYKVF6G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=physics/0411100&json=true","fetch_graph":"https://pith.science/api/pith-number/PDYKVF6GECM5VYJRRSJ7E4GVFN/graph.json","fetch_events":"https://pith.science/api/pith-number/PDYKVF6GECM5VYJRRSJ7E4GVFN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PDYKVF6GECM5VYJRRSJ7E4GVFN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PDYKVF6GECM5VYJRRSJ7E4GVFN/action/storage_attestation","attest_author":"https://pith.science/pith/PDYKVF6GECM5VYJRRSJ7E4GVFN/action/author_attestation","sign_citation":"https://pith.science/pith/PDYKVF6GECM5VYJRRSJ7E4GVFN/action/citation_signature","submit_replication":"https://pith.science/pith/PDYKVF6GECM5VYJRRSJ7E4GVFN/action/replication_record"}},"created_at":"2026-07-04T14:44:30.168487+00:00","updated_at":"2026-07-04T14:44:30.168487+00:00"}