{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:5V6Z7ZUV2B2QIHL6P6L5P7MBPT","short_pith_number":"pith:5V6Z7ZUV","schema_version":"1.0","canonical_sha256":"ed7d9fe695d075041d7e7f97d7fd817cda2d12a5189e2368da9f38c6f3ebfa12","source":{"kind":"arxiv","id":"2506.20645","version":1},"attestation_state":"computed","paper":{"title":"Reflection-less filter for superconducting quantum circuits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Alec Yen, Andres E. Lombo, Eric Q. Bui, Jessica Kedziora, Kaidong Peng, Kevin P. O'Brien, Terence J. Weir","submitted_at":"2025-06-25T17:41:34Z","abstract_excerpt":"Protecting superconducting quantum circuits from non-ideal return loss, including out-of-band circulator behavior and enhancing the performance of broadband quantum-limited amplifiers can be accomplished using a superconducting version of a special class of microwave filters known as reflection-less filters. These filters can simultaneously permit low pass band loss to preserve quantum efficiency and broad band reflection-less characteristics in the stop and pass bands. The filter also suppresses thermal photons emitted in its pass band from the termination resistors by the nature of the dual "},"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":"2506.20645","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-06-25T17:41:34Z","cross_cats_sorted":[],"title_canon_sha256":"1c0ce6ddd72a79247a36d8236d6122205a6273de1a253ce6e36208c2fc5d8b4e","abstract_canon_sha256":"a94b6d158fa5edb9cfc6b0c044c35fbefd73fa6c0ae7056f7ab3ab0f2258d957"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:27:15.630951Z","signature_b64":"w7YHRAPgG7EmCUNy/qc3VtHkzIop4NcVQ6yRehKi4tNfGX9UFtqae2SvURXcbXMvLXVLjJSnXhyn14WD1ucmAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ed7d9fe695d075041d7e7f97d7fd817cda2d12a5189e2368da9f38c6f3ebfa12","last_reissued_at":"2026-07-05T11:27:15.630427Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:27:15.630427Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Reflection-less filter for superconducting quantum circuits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Alec Yen, Andres E. Lombo, Eric Q. Bui, Jessica Kedziora, Kaidong Peng, Kevin P. O'Brien, Terence J. Weir","submitted_at":"2025-06-25T17:41:34Z","abstract_excerpt":"Protecting superconducting quantum circuits from non-ideal return loss, including out-of-band circulator behavior and enhancing the performance of broadband quantum-limited amplifiers can be accomplished using a superconducting version of a special class of microwave filters known as reflection-less filters. These filters can simultaneously permit low pass band loss to preserve quantum efficiency and broad band reflection-less characteristics in the stop and pass bands. The filter also suppresses thermal photons emitted in its pass band from the termination resistors by the nature of the dual "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.20645","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/2506.20645/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":"2506.20645","created_at":"2026-07-05T11:27:15.630500+00:00"},{"alias_kind":"arxiv_version","alias_value":"2506.20645v1","created_at":"2026-07-05T11:27:15.630500+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.20645","created_at":"2026-07-05T11:27:15.630500+00:00"},{"alias_kind":"pith_short_12","alias_value":"5V6Z7ZUV2B2Q","created_at":"2026-07-05T11:27:15.630500+00:00"},{"alias_kind":"pith_short_16","alias_value":"5V6Z7ZUV2B2QIHL6","created_at":"2026-07-05T11:27:15.630500+00:00"},{"alias_kind":"pith_short_8","alias_value":"5V6Z7ZUV","created_at":"2026-07-05T11:27:15.630500+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/5V6Z7ZUV2B2QIHL6P6L5P7MBPT","json":"https://pith.science/pith/5V6Z7ZUV2B2QIHL6P6L5P7MBPT.json","graph_json":"https://pith.science/api/pith-number/5V6Z7ZUV2B2QIHL6P6L5P7MBPT/graph.json","events_json":"https://pith.science/api/pith-number/5V6Z7ZUV2B2QIHL6P6L5P7MBPT/events.json","paper":"https://pith.science/paper/5V6Z7ZUV"},"agent_actions":{"view_html":"https://pith.science/pith/5V6Z7ZUV2B2QIHL6P6L5P7MBPT","download_json":"https://pith.science/pith/5V6Z7ZUV2B2QIHL6P6L5P7MBPT.json","view_paper":"https://pith.science/paper/5V6Z7ZUV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2506.20645&json=true","fetch_graph":"https://pith.science/api/pith-number/5V6Z7ZUV2B2QIHL6P6L5P7MBPT/graph.json","fetch_events":"https://pith.science/api/pith-number/5V6Z7ZUV2B2QIHL6P6L5P7MBPT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5V6Z7ZUV2B2QIHL6P6L5P7MBPT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5V6Z7ZUV2B2QIHL6P6L5P7MBPT/action/storage_attestation","attest_author":"https://pith.science/pith/5V6Z7ZUV2B2QIHL6P6L5P7MBPT/action/author_attestation","sign_citation":"https://pith.science/pith/5V6Z7ZUV2B2QIHL6P6L5P7MBPT/action/citation_signature","submit_replication":"https://pith.science/pith/5V6Z7ZUV2B2QIHL6P6L5P7MBPT/action/replication_record"}},"created_at":"2026-07-05T11:27:15.630500+00:00","updated_at":"2026-07-05T11:27:15.630500+00:00"}