{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:4ODRMQ5GXLODI5IXED4VUE6ZIX","short_pith_number":"pith:4ODRMQ5G","schema_version":"1.0","canonical_sha256":"e3871643a6badc34751720f95a13d945d7d897a5efc31f740c92fbd7640d382f","source":{"kind":"arxiv","id":"2607.10743","version":1},"attestation_state":"computed","paper":{"title":"Connectivity-induced surface-loss penalty in superconducting qubit-coupler lattices","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Cheng-Lin Deng, Gui-Han Liang, Heng Fan, Kai Xu, Ming-Chuan Wang, Tian-Ming Li, Xu-Yang Gu, Yongxi Xiao, Zheng-He Liu, Zhongcheng Xiang","submitted_at":"2026-07-12T12:53:06Z","abstract_excerpt":"Recent advances in design and fabrication have increased the energy-relaxation times of isolated superconducting transmon qubits to the hundreds-of-microseconds regime, with reported values exceeding 500 $\\mu$s. However, the same progress has not automatically translated to multiqubit processors, where qubits are embedded in connected qubit-coupler lattices and often exhibit much shorter lifetimes than isolated qubits. To identify possible sources of this discrepancy, here we use finite-element simulation to investigate how surface participation ratios and the resulting surface dielectric loss"},"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":"2607.10743","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-12T12:53:06Z","cross_cats_sorted":[],"title_canon_sha256":"93b376c0d2d3c3165bc4b17d6ce98fdb13d334b468cf8680864c8e14da8abcd8","abstract_canon_sha256":"8051b18062efb684252cc47267debff43fb1dca26591c4971aeb95f8d93424a0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-14T01:21:37.784864Z","signature_b64":"UZHPcgKdGlcQTFNSnMVjw1pytBhFPQAp+wFusQ/8bxbxhnJ5DyzNkOZFFJhH6iUuWmbexRS9Yo1qN952HrrlAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e3871643a6badc34751720f95a13d945d7d897a5efc31f740c92fbd7640d382f","last_reissued_at":"2026-07-14T01:21:37.784061Z","signature_status":"signed_v1","first_computed_at":"2026-07-14T01:21:37.784061Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Connectivity-induced surface-loss penalty in superconducting qubit-coupler lattices","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Cheng-Lin Deng, Gui-Han Liang, Heng Fan, Kai Xu, Ming-Chuan Wang, Tian-Ming Li, Xu-Yang Gu, Yongxi Xiao, Zheng-He Liu, Zhongcheng Xiang","submitted_at":"2026-07-12T12:53:06Z","abstract_excerpt":"Recent advances in design and fabrication have increased the energy-relaxation times of isolated superconducting transmon qubits to the hundreds-of-microseconds regime, with reported values exceeding 500 $\\mu$s. However, the same progress has not automatically translated to multiqubit processors, where qubits are embedded in connected qubit-coupler lattices and often exhibit much shorter lifetimes than isolated qubits. To identify possible sources of this discrepancy, here we use finite-element simulation to investigate how surface participation ratios and the resulting surface dielectric loss"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.10743","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/2607.10743/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":"2607.10743","created_at":"2026-07-14T01:21:37.784482+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.10743v1","created_at":"2026-07-14T01:21:37.784482+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.10743","created_at":"2026-07-14T01:21:37.784482+00:00"},{"alias_kind":"pith_short_12","alias_value":"4ODRMQ5GXLOD","created_at":"2026-07-14T01:21:37.784482+00:00"},{"alias_kind":"pith_short_16","alias_value":"4ODRMQ5GXLODI5IX","created_at":"2026-07-14T01:21:37.784482+00:00"},{"alias_kind":"pith_short_8","alias_value":"4ODRMQ5G","created_at":"2026-07-14T01:21:37.784482+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/4ODRMQ5GXLODI5IXED4VUE6ZIX","json":"https://pith.science/pith/4ODRMQ5GXLODI5IXED4VUE6ZIX.json","graph_json":"https://pith.science/api/pith-number/4ODRMQ5GXLODI5IXED4VUE6ZIX/graph.json","events_json":"https://pith.science/api/pith-number/4ODRMQ5GXLODI5IXED4VUE6ZIX/events.json","paper":"https://pith.science/paper/4ODRMQ5G"},"agent_actions":{"view_html":"https://pith.science/pith/4ODRMQ5GXLODI5IXED4VUE6ZIX","download_json":"https://pith.science/pith/4ODRMQ5GXLODI5IXED4VUE6ZIX.json","view_paper":"https://pith.science/paper/4ODRMQ5G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.10743&json=true","fetch_graph":"https://pith.science/api/pith-number/4ODRMQ5GXLODI5IXED4VUE6ZIX/graph.json","fetch_events":"https://pith.science/api/pith-number/4ODRMQ5GXLODI5IXED4VUE6ZIX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4ODRMQ5GXLODI5IXED4VUE6ZIX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4ODRMQ5GXLODI5IXED4VUE6ZIX/action/storage_attestation","attest_author":"https://pith.science/pith/4ODRMQ5GXLODI5IXED4VUE6ZIX/action/author_attestation","sign_citation":"https://pith.science/pith/4ODRMQ5GXLODI5IXED4VUE6ZIX/action/citation_signature","submit_replication":"https://pith.science/pith/4ODRMQ5GXLODI5IXED4VUE6ZIX/action/replication_record"}},"created_at":"2026-07-14T01:21:37.784482+00:00","updated_at":"2026-07-14T01:21:37.784482+00:00"}