{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:TXFRTRQUWL3CPA5WJXDE3O27IC","short_pith_number":"pith:TXFRTRQU","schema_version":"1.0","canonical_sha256":"9dcb19c614b2f62783b64dc64dbb5f409e495a51d98a06ff2bf27e09dbad0b97","source":{"kind":"arxiv","id":"2104.07157","version":1},"attestation_state":"computed","paper":{"title":"Design and performance of a multi-terahertz Fourier transform spectrometer for axion dark matter experiments","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"Andrew Sonnenschein, Clarence Chang, David Miller, Jesse Liu, Kristin Dona, Noah Kurinsky, Pete Barry","submitted_at":"2021-04-14T22:49:29Z","abstract_excerpt":"Dedicated spectrometers for terahertz radiation with [0.3, 30] THz frequencies using traditional optomechanical interferometry are substantially less common than their infrared and microwave counterparts. This paper presents the design and initial performance measurements of a tabletop Fourier transform spectrometer (FTS) for multi-terahertz radiation using infrared optics in a Michelson arrangement. This is coupled to a broadband pyroelectric photodetector designed for [0.1, 30] THz frequencies. We measure spectra of narrowband and broadband input radiation to characterize the performance of "},"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":"2104.07157","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-04-14T22:49:29Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"7cf9f1646f9dcf51178c9c9dca5de46f3745d0c4ba4dbd39f24c3ce669b8f9fe","abstract_canon_sha256":"a506c44a777cd1a088c42417f28d5f509c652b5945571f37cd53d108d32e3927"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:35:34.317553Z","signature_b64":"13uvvifYOENYg1nqfP8in7Vf64L+TIH/th02XBINUQwTZ8Cq+cWq6oKa+213dsnQ9boZ6LQ+Bs1ktlhw05FJAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9dcb19c614b2f62783b64dc64dbb5f409e495a51d98a06ff2bf27e09dbad0b97","last_reissued_at":"2026-07-05T04:35:34.317047Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:35:34.317047Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Design and performance of a multi-terahertz Fourier transform spectrometer for axion dark matter experiments","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"Andrew Sonnenschein, Clarence Chang, David Miller, Jesse Liu, Kristin Dona, Noah Kurinsky, Pete Barry","submitted_at":"2021-04-14T22:49:29Z","abstract_excerpt":"Dedicated spectrometers for terahertz radiation with [0.3, 30] THz frequencies using traditional optomechanical interferometry are substantially less common than their infrared and microwave counterparts. This paper presents the design and initial performance measurements of a tabletop Fourier transform spectrometer (FTS) for multi-terahertz radiation using infrared optics in a Michelson arrangement. This is coupled to a broadband pyroelectric photodetector designed for [0.1, 30] THz frequencies. We measure spectra of narrowband and broadband input radiation to characterize the performance of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.07157","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/2104.07157/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":"2104.07157","created_at":"2026-07-05T04:35:34.317108+00:00"},{"alias_kind":"arxiv_version","alias_value":"2104.07157v1","created_at":"2026-07-05T04:35:34.317108+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.07157","created_at":"2026-07-05T04:35:34.317108+00:00"},{"alias_kind":"pith_short_12","alias_value":"TXFRTRQUWL3C","created_at":"2026-07-05T04:35:34.317108+00:00"},{"alias_kind":"pith_short_16","alias_value":"TXFRTRQUWL3CPA5W","created_at":"2026-07-05T04:35:34.317108+00:00"},{"alias_kind":"pith_short_8","alias_value":"TXFRTRQU","created_at":"2026-07-05T04:35:34.317108+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/TXFRTRQUWL3CPA5WJXDE3O27IC","json":"https://pith.science/pith/TXFRTRQUWL3CPA5WJXDE3O27IC.json","graph_json":"https://pith.science/api/pith-number/TXFRTRQUWL3CPA5WJXDE3O27IC/graph.json","events_json":"https://pith.science/api/pith-number/TXFRTRQUWL3CPA5WJXDE3O27IC/events.json","paper":"https://pith.science/paper/TXFRTRQU"},"agent_actions":{"view_html":"https://pith.science/pith/TXFRTRQUWL3CPA5WJXDE3O27IC","download_json":"https://pith.science/pith/TXFRTRQUWL3CPA5WJXDE3O27IC.json","view_paper":"https://pith.science/paper/TXFRTRQU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2104.07157&json=true","fetch_graph":"https://pith.science/api/pith-number/TXFRTRQUWL3CPA5WJXDE3O27IC/graph.json","fetch_events":"https://pith.science/api/pith-number/TXFRTRQUWL3CPA5WJXDE3O27IC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TXFRTRQUWL3CPA5WJXDE3O27IC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TXFRTRQUWL3CPA5WJXDE3O27IC/action/storage_attestation","attest_author":"https://pith.science/pith/TXFRTRQUWL3CPA5WJXDE3O27IC/action/author_attestation","sign_citation":"https://pith.science/pith/TXFRTRQUWL3CPA5WJXDE3O27IC/action/citation_signature","submit_replication":"https://pith.science/pith/TXFRTRQUWL3CPA5WJXDE3O27IC/action/replication_record"}},"created_at":"2026-07-05T04:35:34.317108+00:00","updated_at":"2026-07-05T04:35:34.317108+00:00"}