{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:54CYA63DYSY7E32VUV73NF3S4P","short_pith_number":"pith:54CYA63D","schema_version":"1.0","canonical_sha256":"ef05807b63c4b1f26f55a57fb69772e3c4ab48ab68e2fcc2daab5f5b7944f483","source":{"kind":"arxiv","id":"2207.06420","version":1},"attestation_state":"computed","paper":{"title":"Laboratory development of a heterodyne interferometric system for translation and tilt measurement of the proof mass in the space gravitational wave detection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det","physics.optics"],"primary_cat":"astro-ph.IM","authors_text":"Xin Xu, Yidong Tan","submitted_at":"2022-07-13T15:41:37Z","abstract_excerpt":"Laser heterodyne interferometry plays a key role in the proof mass's monitor and control by measuring its multiple degrees of freedom motions in the Space Gravitational Wave Detection. Laboratory development of polarization-multiplexing heterodyne interferometer (PMHI) using quadrant photodetectors (QPD) is presented in this paper, intended for measuring the translation and tilt of a proof mass. The system is of symmetric design, which can expand to five degrees of freedom measurements based on polarization-multiplexing and differential wavefront sensing (DWS). The ground-simulated experimenta"},"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":"2207.06420","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-07-13T15:41:37Z","cross_cats_sorted":["physics.ins-det","physics.optics"],"title_canon_sha256":"4628870116ba65fecc7b64d0a773373b9a0bc05fe41c52ce7200f567eb42a497","abstract_canon_sha256":"d5f83c45b2c96754afd594c3b498df7253d2325b2929157ac3ba9a4f259488e5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:40:12.463420Z","signature_b64":"RNyRiIwM9CI10q6CEqLk0m2C7feFdyNABCJf9E2N03Dz9LviMcBIUXjC2Nqtg/BtJwyHTxgYAKrM8Hb3JXt5BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef05807b63c4b1f26f55a57fb69772e3c4ab48ab68e2fcc2daab5f5b7944f483","last_reissued_at":"2026-07-05T04:40:12.463040Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:40:12.463040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Laboratory development of a heterodyne interferometric system for translation and tilt measurement of the proof mass in the space gravitational wave detection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det","physics.optics"],"primary_cat":"astro-ph.IM","authors_text":"Xin Xu, Yidong Tan","submitted_at":"2022-07-13T15:41:37Z","abstract_excerpt":"Laser heterodyne interferometry plays a key role in the proof mass's monitor and control by measuring its multiple degrees of freedom motions in the Space Gravitational Wave Detection. Laboratory development of polarization-multiplexing heterodyne interferometer (PMHI) using quadrant photodetectors (QPD) is presented in this paper, intended for measuring the translation and tilt of a proof mass. The system is of symmetric design, which can expand to five degrees of freedom measurements based on polarization-multiplexing and differential wavefront sensing (DWS). The ground-simulated experimenta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.06420","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/2207.06420/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":"2207.06420","created_at":"2026-07-05T04:40:12.463094+00:00"},{"alias_kind":"arxiv_version","alias_value":"2207.06420v1","created_at":"2026-07-05T04:40:12.463094+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.06420","created_at":"2026-07-05T04:40:12.463094+00:00"},{"alias_kind":"pith_short_12","alias_value":"54CYA63DYSY7","created_at":"2026-07-05T04:40:12.463094+00:00"},{"alias_kind":"pith_short_16","alias_value":"54CYA63DYSY7E32V","created_at":"2026-07-05T04:40:12.463094+00:00"},{"alias_kind":"pith_short_8","alias_value":"54CYA63D","created_at":"2026-07-05T04:40:12.463094+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/54CYA63DYSY7E32VUV73NF3S4P","json":"https://pith.science/pith/54CYA63DYSY7E32VUV73NF3S4P.json","graph_json":"https://pith.science/api/pith-number/54CYA63DYSY7E32VUV73NF3S4P/graph.json","events_json":"https://pith.science/api/pith-number/54CYA63DYSY7E32VUV73NF3S4P/events.json","paper":"https://pith.science/paper/54CYA63D"},"agent_actions":{"view_html":"https://pith.science/pith/54CYA63DYSY7E32VUV73NF3S4P","download_json":"https://pith.science/pith/54CYA63DYSY7E32VUV73NF3S4P.json","view_paper":"https://pith.science/paper/54CYA63D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2207.06420&json=true","fetch_graph":"https://pith.science/api/pith-number/54CYA63DYSY7E32VUV73NF3S4P/graph.json","fetch_events":"https://pith.science/api/pith-number/54CYA63DYSY7E32VUV73NF3S4P/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/54CYA63DYSY7E32VUV73NF3S4P/action/timestamp_anchor","attest_storage":"https://pith.science/pith/54CYA63DYSY7E32VUV73NF3S4P/action/storage_attestation","attest_author":"https://pith.science/pith/54CYA63DYSY7E32VUV73NF3S4P/action/author_attestation","sign_citation":"https://pith.science/pith/54CYA63DYSY7E32VUV73NF3S4P/action/citation_signature","submit_replication":"https://pith.science/pith/54CYA63DYSY7E32VUV73NF3S4P/action/replication_record"}},"created_at":"2026-07-05T04:40:12.463094+00:00","updated_at":"2026-07-05T04:40:12.463094+00:00"}