{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:GPVDWOQE7Q6GL2HWHCAY6ZZKFZ","short_pith_number":"pith:GPVDWOQE","schema_version":"1.0","canonical_sha256":"33ea3b3a04fc3c65e8f638818f672a2e493ba4fe9b1eee8e34e746863929dad2","source":{"kind":"arxiv","id":"2603.16522","version":1},"attestation_state":"computed","paper":{"title":"Stroboscopic detection of itinerant microwave photons","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.supr-con"],"primary_cat":"quant-ph","authors_text":"Bj\\\"orn Kubala, Ciprian Padurariu, Hanna Zeller, Joachim Ankerhold, Lukas Danner, Max Hofheinz","submitted_at":"2026-03-17T13:45:18Z","abstract_excerpt":"We present a novel scheme to detect itinerant microwave radiation at the single photon level. Using existing Josephson-photonics devices, where two microwave cavities are coupled by a dc-voltage biased superconducting junction, we theoretically show how to implement a stroboscopically repeated, near-projective measurement of a photon impinging on one of the cavities. Optimizing rate, duration, and strength of the measurement by flux control of the junction and developing a threshold protocol to detect the photon from a homodyne measurement of the radiation output of the other cavity, we achiev"},"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":"2603.16522","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-03-17T13:45:18Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.supr-con"],"title_canon_sha256":"4cd1e2c671204fe3ad26c219f85ad716cf1f3de3b94770f879ea50a8dbe8efb1","abstract_canon_sha256":"71f557cd44972ef8c31976d8bf58190cf626080607aacae8d3bc500f28475035"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-07T00:51:30.820236Z","signature_b64":"DSxFsUJi/fjcSXU/RGLx24W40T9imX+EoUaY56zkH/rL3wvfsMdP5n98msf7ALgflBPFirDK7Dgx01gJW8KQBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"33ea3b3a04fc3c65e8f638818f672a2e493ba4fe9b1eee8e34e746863929dad2","last_reissued_at":"2026-08-07T00:51:30.818768Z","signature_status":"signed_v1","first_computed_at":"2026-08-07T00:51:30.818768Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Stroboscopic detection of itinerant microwave photons","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.supr-con"],"primary_cat":"quant-ph","authors_text":"Bj\\\"orn Kubala, Ciprian Padurariu, Hanna Zeller, Joachim Ankerhold, Lukas Danner, Max Hofheinz","submitted_at":"2026-03-17T13:45:18Z","abstract_excerpt":"We present a novel scheme to detect itinerant microwave radiation at the single photon level. Using existing Josephson-photonics devices, where two microwave cavities are coupled by a dc-voltage biased superconducting junction, we theoretically show how to implement a stroboscopically repeated, near-projective measurement of a photon impinging on one of the cavities. Optimizing rate, duration, and strength of the measurement by flux control of the junction and developing a threshold protocol to detect the photon from a homodyne measurement of the radiation output of the other cavity, we achiev"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.16522","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/2603.16522/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":"2603.16522","created_at":"2026-08-07T00:51:30.820223+00:00"},{"alias_kind":"arxiv_version","alias_value":"2603.16522v1","created_at":"2026-08-07T00:51:30.820223+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.16522","created_at":"2026-08-07T00:51:30.820223+00:00"},{"alias_kind":"pith_short_12","alias_value":"GPVDWOQE7Q6G","created_at":"2026-08-07T00:51:30.820223+00:00"},{"alias_kind":"pith_short_16","alias_value":"GPVDWOQE7Q6GL2HW","created_at":"2026-08-07T00:51:30.820223+00:00"},{"alias_kind":"pith_short_8","alias_value":"GPVDWOQE","created_at":"2026-08-07T00:51:30.820223+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2606.27555","citing_title":"Photon avalanche triggered by a single photon in a bistable nonlinear optical cavity","ref_index":61,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/GPVDWOQE7Q6GL2HWHCAY6ZZKFZ","json":"https://pith.science/pith/GPVDWOQE7Q6GL2HWHCAY6ZZKFZ.json","graph_json":"https://pith.science/api/pith-number/GPVDWOQE7Q6GL2HWHCAY6ZZKFZ/graph.json","events_json":"https://pith.science/api/pith-number/GPVDWOQE7Q6GL2HWHCAY6ZZKFZ/events.json","paper":"https://pith.science/paper/GPVDWOQE"},"agent_actions":{"view_html":"https://pith.science/pith/GPVDWOQE7Q6GL2HWHCAY6ZZKFZ","download_json":"https://pith.science/pith/GPVDWOQE7Q6GL2HWHCAY6ZZKFZ.json","view_paper":"https://pith.science/paper/GPVDWOQE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2603.16522&json=true","fetch_graph":"https://pith.science/api/pith-number/GPVDWOQE7Q6GL2HWHCAY6ZZKFZ/graph.json","fetch_events":"https://pith.science/api/pith-number/GPVDWOQE7Q6GL2HWHCAY6ZZKFZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GPVDWOQE7Q6GL2HWHCAY6ZZKFZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GPVDWOQE7Q6GL2HWHCAY6ZZKFZ/action/storage_attestation","attest_author":"https://pith.science/pith/GPVDWOQE7Q6GL2HWHCAY6ZZKFZ/action/author_attestation","sign_citation":"https://pith.science/pith/GPVDWOQE7Q6GL2HWHCAY6ZZKFZ/action/citation_signature","submit_replication":"https://pith.science/pith/GPVDWOQE7Q6GL2HWHCAY6ZZKFZ/action/replication_record"}},"created_at":"2026-08-07T00:51:30.820223+00:00","updated_at":"2026-08-07T00:51:30.820223+00:00"}