{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:UVWRBAIYQDTSG6OMFBYIBYODPI","short_pith_number":"pith:UVWRBAIY","canonical_record":{"source":{"id":"2309.02146","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2023-09-05T11:34:30Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"68bcea5eb91bd850b5942a258bdcf6dab852faafec42697269fc36dc92b0280c","abstract_canon_sha256":"634636635ba651cbaecc61a9b771fa5ee7d78ee943378c1bff6f39205c8b019d"},"schema_version":"1.0"},"canonical_sha256":"a56d10811880e72379cc287080e1c37a1d8fdf7a35a823f906303acdd6a5d80c","source":{"kind":"arxiv","id":"2309.02146","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.02146","created_at":"2026-07-05T08:43:05Z"},{"alias_kind":"arxiv_version","alias_value":"2309.02146v1","created_at":"2026-07-05T08:43:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.02146","created_at":"2026-07-05T08:43:05Z"},{"alias_kind":"pith_short_12","alias_value":"UVWRBAIYQDTS","created_at":"2026-07-05T08:43:05Z"},{"alias_kind":"pith_short_16","alias_value":"UVWRBAIYQDTSG6OM","created_at":"2026-07-05T08:43:05Z"},{"alias_kind":"pith_short_8","alias_value":"UVWRBAIY","created_at":"2026-07-05T08:43:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:UVWRBAIYQDTSG6OMFBYIBYODPI","target":"record","payload":{"canonical_record":{"source":{"id":"2309.02146","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2023-09-05T11:34:30Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"68bcea5eb91bd850b5942a258bdcf6dab852faafec42697269fc36dc92b0280c","abstract_canon_sha256":"634636635ba651cbaecc61a9b771fa5ee7d78ee943378c1bff6f39205c8b019d"},"schema_version":"1.0"},"canonical_sha256":"a56d10811880e72379cc287080e1c37a1d8fdf7a35a823f906303acdd6a5d80c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:43:05.690994Z","signature_b64":"0oWxjlOhcbGBYyS2Kr9Z5xLuspk/Q7lMqg0DibB1ibiowoU1xc8J3OTWbT3rLjD2KyJHLRDI2UVLrJml4fkIDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a56d10811880e72379cc287080e1c37a1d8fdf7a35a823f906303acdd6a5d80c","last_reissued_at":"2026-07-05T08:43:05.690503Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:43:05.690503Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.02146","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:43:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1xaoGi1wzIp5ngsbFN380paBwk+yjJ+gUPq0kYgJn0gBdw869nqsix3dzdETmRN7ojH42tE/PEfB44HiEpr1Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T22:49:30.992312Z"},"content_sha256":"66e0467ee7f7e500b6b1106b75b598d75063cec6631a00c06f196750f076f949","schema_version":"1.0","event_id":"sha256:66e0467ee7f7e500b6b1106b75b598d75063cec6631a00c06f196750f076f949"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:UVWRBAIYQDTSG6OMFBYIBYODPI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spontaneous voltage peaks in superconducting Nb channels without engineered asymmetry","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.supr-con","authors_text":"Claire Marrache-Kikuchi, Florian Pallier, Louis Dumoulin, Miguel Monteverde, Sara Loucif, Shamashis Sengupta","submitted_at":"2023-09-05T11:34:30Z","abstract_excerpt":"Rectification effects in solid-state devices are a consequence of nonreciprocal transport properties. This phenomenon is usually observed in systems with broken inversion symmetry. In most instances, nonreciprocal transport arises in the presence of an applied magnetic field and the rectified signal has an antisymmetric dependence on the field. We have observed rectification of environmental electromagnetic fluctuations in plain Nb channels without any asymmetry in design, leading to spontaneous voltage peaks at the superconducting transition. The signal is symmetric in the magnetic field and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.02146","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/2309.02146/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:43:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aZ9X7sphkY6NTmaC5E33Y/urEWDuXz43SWWlASh8/sjQjRVhQOme/4x98Kxb53fZgNfHx5oK6M/w11HUeyuDDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T22:49:30.992698Z"},"content_sha256":"4e6c53b03f3169326e750821368a4af28704a6d2317302ca1d0243f31e6443d9","schema_version":"1.0","event_id":"sha256:4e6c53b03f3169326e750821368a4af28704a6d2317302ca1d0243f31e6443d9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UVWRBAIYQDTSG6OMFBYIBYODPI/bundle.json","state_url":"https://pith.science/pith/UVWRBAIYQDTSG6OMFBYIBYODPI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UVWRBAIYQDTSG6OMFBYIBYODPI/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-12T22:49:30Z","links":{"resolver":"https://pith.science/pith/UVWRBAIYQDTSG6OMFBYIBYODPI","bundle":"https://pith.science/pith/UVWRBAIYQDTSG6OMFBYIBYODPI/bundle.json","state":"https://pith.science/pith/UVWRBAIYQDTSG6OMFBYIBYODPI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UVWRBAIYQDTSG6OMFBYIBYODPI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:UVWRBAIYQDTSG6OMFBYIBYODPI","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"634636635ba651cbaecc61a9b771fa5ee7d78ee943378c1bff6f39205c8b019d","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2023-09-05T11:34:30Z","title_canon_sha256":"68bcea5eb91bd850b5942a258bdcf6dab852faafec42697269fc36dc92b0280c"},"schema_version":"1.0","source":{"id":"2309.02146","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.02146","created_at":"2026-07-05T08:43:05Z"},{"alias_kind":"arxiv_version","alias_value":"2309.02146v1","created_at":"2026-07-05T08:43:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.02146","created_at":"2026-07-05T08:43:05Z"},{"alias_kind":"pith_short_12","alias_value":"UVWRBAIYQDTS","created_at":"2026-07-05T08:43:05Z"},{"alias_kind":"pith_short_16","alias_value":"UVWRBAIYQDTSG6OM","created_at":"2026-07-05T08:43:05Z"},{"alias_kind":"pith_short_8","alias_value":"UVWRBAIY","created_at":"2026-07-05T08:43:05Z"}],"graph_snapshots":[{"event_id":"sha256:4e6c53b03f3169326e750821368a4af28704a6d2317302ca1d0243f31e6443d9","target":"graph","created_at":"2026-07-05T08:43:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2309.02146/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Rectification effects in solid-state devices are a consequence of nonreciprocal transport properties. This phenomenon is usually observed in systems with broken inversion symmetry. In most instances, nonreciprocal transport arises in the presence of an applied magnetic field and the rectified signal has an antisymmetric dependence on the field. We have observed rectification of environmental electromagnetic fluctuations in plain Nb channels without any asymmetry in design, leading to spontaneous voltage peaks at the superconducting transition. The signal is symmetric in the magnetic field and ","authors_text":"Claire Marrache-Kikuchi, Florian Pallier, Louis Dumoulin, Miguel Monteverde, Sara Loucif, Shamashis Sengupta","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2023-09-05T11:34:30Z","title":"Spontaneous voltage peaks in superconducting Nb channels without engineered asymmetry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.02146","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:66e0467ee7f7e500b6b1106b75b598d75063cec6631a00c06f196750f076f949","target":"record","created_at":"2026-07-05T08:43:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"634636635ba651cbaecc61a9b771fa5ee7d78ee943378c1bff6f39205c8b019d","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2023-09-05T11:34:30Z","title_canon_sha256":"68bcea5eb91bd850b5942a258bdcf6dab852faafec42697269fc36dc92b0280c"},"schema_version":"1.0","source":{"id":"2309.02146","kind":"arxiv","version":1}},"canonical_sha256":"a56d10811880e72379cc287080e1c37a1d8fdf7a35a823f906303acdd6a5d80c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a56d10811880e72379cc287080e1c37a1d8fdf7a35a823f906303acdd6a5d80c","first_computed_at":"2026-07-05T08:43:05.690503Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:43:05.690503Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0oWxjlOhcbGBYyS2Kr9Z5xLuspk/Q7lMqg0DibB1ibiowoU1xc8J3OTWbT3rLjD2KyJHLRDI2UVLrJml4fkIDg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:43:05.690994Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.02146","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:66e0467ee7f7e500b6b1106b75b598d75063cec6631a00c06f196750f076f949","sha256:4e6c53b03f3169326e750821368a4af28704a6d2317302ca1d0243f31e6443d9"],"state_sha256":"02e4a20407a4946bd539a4d5ccd16fdfd96954886f970593ff53823942a80803"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CUNMabUyJ8B58XKOxgI7MbYD12GT2NYvQoIVDqn5KkrmLeu00b/qYLlZA27xI4Ill83wZP9zrsQKzF+gecMKDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T22:49:30.995353Z","bundle_sha256":"fa35aefa2e58a396af23836be703f8e469aec0447ad1824bb9bd1a191743b7d9"}}