{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:LCN6EXHZ5EWMXWPTQAJYCYSAHM","short_pith_number":"pith:LCN6EXHZ","schema_version":"1.0","canonical_sha256":"589be25cf9e92ccbd9f380138162403b3b3651a3cf98835dcd1721dbd290e5af","source":{"kind":"arxiv","id":"2605.30701","version":1},"attestation_state":"computed","paper":{"title":"High-speed mid-infrared single-photon upconversion spectrometer","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Ben Sun, E Wu, Hairun Guo, Heping Zeng, Jianan Fang, Kun Huang, Ming Yan, Tingting Zheng, Yongyuan Chu","submitted_at":"2026-05-29T00:50:33Z","abstract_excerpt":"Sensitive and fast mid-infrared (MIR) spectroscopy is highly attractive in a variety of applications including astronomical observation, pharmaceutical synthesis, and environmental monitoring. However, the performance of conventional MIR spectrometers has long been hindered by the limited sensitivity of narrow-bandgap detectors and/or the deficient brightness of broadband light sources. Here, we devise and implement an ultra-sensitive and broadband MIR upconversion spectrometer, which integrates a supercontinuum source covering 1.5-4.2 $\\mu$m based on a silicon nitride nanophotonic waveguide. "},"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":"2605.30701","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2026-05-29T00:50:33Z","cross_cats_sorted":[],"title_canon_sha256":"c3cf09dd66ef7b59cc00f9ae180da0cdf2c90ff2da03061e3bb31dae383bab04","abstract_canon_sha256":"94230c980d5635c4f856f3bafa28dd144d5dbd07b2d7a5210203777da0174354"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-01T01:03:09.284791Z","signature_b64":"KF1VEQ27TeeM0z/leK2hYTGId14ZocnDvlpOlsUGHr2aBavBHwu6+5H/DFKvcal2h/v8bjldGch+Nq7exeqdBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"589be25cf9e92ccbd9f380138162403b3b3651a3cf98835dcd1721dbd290e5af","last_reissued_at":"2026-06-01T01:03:09.284013Z","signature_status":"signed_v1","first_computed_at":"2026-06-01T01:03:09.284013Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"High-speed mid-infrared single-photon upconversion spectrometer","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Ben Sun, E Wu, Hairun Guo, Heping Zeng, Jianan Fang, Kun Huang, Ming Yan, Tingting Zheng, Yongyuan Chu","submitted_at":"2026-05-29T00:50:33Z","abstract_excerpt":"Sensitive and fast mid-infrared (MIR) spectroscopy is highly attractive in a variety of applications including astronomical observation, pharmaceutical synthesis, and environmental monitoring. However, the performance of conventional MIR spectrometers has long been hindered by the limited sensitivity of narrow-bandgap detectors and/or the deficient brightness of broadband light sources. Here, we devise and implement an ultra-sensitive and broadband MIR upconversion spectrometer, which integrates a supercontinuum source covering 1.5-4.2 $\\mu$m based on a silicon nitride nanophotonic waveguide. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.30701","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/2605.30701/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":"2605.30701","created_at":"2026-06-01T01:03:09.284120+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.30701v1","created_at":"2026-06-01T01:03:09.284120+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.30701","created_at":"2026-06-01T01:03:09.284120+00:00"},{"alias_kind":"pith_short_12","alias_value":"LCN6EXHZ5EWM","created_at":"2026-06-01T01:03:09.284120+00:00"},{"alias_kind":"pith_short_16","alias_value":"LCN6EXHZ5EWMXWPT","created_at":"2026-06-01T01:03:09.284120+00:00"},{"alias_kind":"pith_short_8","alias_value":"LCN6EXHZ","created_at":"2026-06-01T01:03:09.284120+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/LCN6EXHZ5EWMXWPTQAJYCYSAHM","json":"https://pith.science/pith/LCN6EXHZ5EWMXWPTQAJYCYSAHM.json","graph_json":"https://pith.science/api/pith-number/LCN6EXHZ5EWMXWPTQAJYCYSAHM/graph.json","events_json":"https://pith.science/api/pith-number/LCN6EXHZ5EWMXWPTQAJYCYSAHM/events.json","paper":"https://pith.science/paper/LCN6EXHZ"},"agent_actions":{"view_html":"https://pith.science/pith/LCN6EXHZ5EWMXWPTQAJYCYSAHM","download_json":"https://pith.science/pith/LCN6EXHZ5EWMXWPTQAJYCYSAHM.json","view_paper":"https://pith.science/paper/LCN6EXHZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.30701&json=true","fetch_graph":"https://pith.science/api/pith-number/LCN6EXHZ5EWMXWPTQAJYCYSAHM/graph.json","fetch_events":"https://pith.science/api/pith-number/LCN6EXHZ5EWMXWPTQAJYCYSAHM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LCN6EXHZ5EWMXWPTQAJYCYSAHM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LCN6EXHZ5EWMXWPTQAJYCYSAHM/action/storage_attestation","attest_author":"https://pith.science/pith/LCN6EXHZ5EWMXWPTQAJYCYSAHM/action/author_attestation","sign_citation":"https://pith.science/pith/LCN6EXHZ5EWMXWPTQAJYCYSAHM/action/citation_signature","submit_replication":"https://pith.science/pith/LCN6EXHZ5EWMXWPTQAJYCYSAHM/action/replication_record"}},"created_at":"2026-06-01T01:03:09.284120+00:00","updated_at":"2026-06-01T01:03:09.284120+00:00"}