{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:7DZ4WTKRZOG4QMGK76R2FNK6CZ","short_pith_number":"pith:7DZ4WTKR","canonical_record":{"source":{"id":"2407.01681","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-07-01T18:00:05Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"title_canon_sha256":"3df4f6cc9d948b575e678bd92f4d09dc5528f3fca80e7b7026f6772ae504bdcc","abstract_canon_sha256":"e43a3b71af0c6f517424ea0b73a5641c55c6912a5358f14c60bc3a2088368d36"},"schema_version":"1.0"},"canonical_sha256":"f8f3cb4d51cb8dc830caffa3a2b55e166d90acffc127310089dac80c80da01dd","source":{"kind":"arxiv","id":"2407.01681","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.01681","created_at":"2026-07-05T09:55:10Z"},{"alias_kind":"arxiv_version","alias_value":"2407.01681v1","created_at":"2026-07-05T09:55:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.01681","created_at":"2026-07-05T09:55:10Z"},{"alias_kind":"pith_short_12","alias_value":"7DZ4WTKRZOG4","created_at":"2026-07-05T09:55:10Z"},{"alias_kind":"pith_short_16","alias_value":"7DZ4WTKRZOG4QMGK","created_at":"2026-07-05T09:55:10Z"},{"alias_kind":"pith_short_8","alias_value":"7DZ4WTKR","created_at":"2026-07-05T09:55:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:7DZ4WTKRZOG4QMGK76R2FNK6CZ","target":"record","payload":{"canonical_record":{"source":{"id":"2407.01681","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-07-01T18:00:05Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"title_canon_sha256":"3df4f6cc9d948b575e678bd92f4d09dc5528f3fca80e7b7026f6772ae504bdcc","abstract_canon_sha256":"e43a3b71af0c6f517424ea0b73a5641c55c6912a5358f14c60bc3a2088368d36"},"schema_version":"1.0"},"canonical_sha256":"f8f3cb4d51cb8dc830caffa3a2b55e166d90acffc127310089dac80c80da01dd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:55:10.498609Z","signature_b64":"IRj5E1Q5OBBqhbUjIBJ8GwAiTeHkaLO/HqGPOoKPjcCVFvbxYaY8/dOlXYHqUqVk+cySVCQp/rv9Rj3w1ecDCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f8f3cb4d51cb8dc830caffa3a2b55e166d90acffc127310089dac80c80da01dd","last_reissued_at":"2026-07-05T09:55:10.498155Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:55:10.498155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.01681","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":"2026-07-05T09:55:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rKhBW9ubxOqy0V148DVmJoTH82f8NSLoJ0o3zDUMfpXJXfgM1huJAntuAaQ5hqmf4p9ubiP2NoHa3ALanSvxBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-25T09:34:19.621866Z"},"content_sha256":"1d81858321ac58949cd2556ae08af35f4f524c6eeeebc999da627fb33878b69a","schema_version":"1.0","event_id":"sha256:1d81858321ac58949cd2556ae08af35f4f524c6eeeebc999da627fb33878b69a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:7DZ4WTKRZOG4QMGK76R2FNK6CZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonreciprocal superconductivity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Liang Fu, Margarita Davydova, Max Geier","submitted_at":"2024-07-01T18:00:05Z","abstract_excerpt":"We introduce the notion of nonreciprocal superconductors where inversion and time-reversal symmetries are broken, giving rise to an asymmetric energy dispersion. We demonstrate that nonreciprocal superconductivity can be detected by Andreev reflection. In particular, a transparent junction between a normal metal and a nonreciprocal superconductor generally exhibits an asymmetric current-voltage characteristic, which serves as a defining feature of nonreciprocal superconductivity. Unlike the superconducting diode effects, our detection scheme has the advantage of avoiding large critical current"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.01681","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/2407.01681/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":"2026-07-05T09:55:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qjEnx9waLZ2pD3ktomAR7k/q9FScBIPpWA8b4EXqtfOg2/xXlJQOt2CJBigV5fg04vbt9Io27wJx3ivbqsZRCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-25T09:34:19.622961Z"},"content_sha256":"a1c5ec4578076d1a4ee4078bf9fe914facac567995841277cb1b2b55a94efff4","schema_version":"1.0","event_id":"sha256:a1c5ec4578076d1a4ee4078bf9fe914facac567995841277cb1b2b55a94efff4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7DZ4WTKRZOG4QMGK76R2FNK6CZ/bundle.json","state_url":"https://pith.science/pith/7DZ4WTKRZOG4QMGK76R2FNK6CZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7DZ4WTKRZOG4QMGK76R2FNK6CZ/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":"2026-07-25T09:34:19Z","links":{"resolver":"https://pith.science/pith/7DZ4WTKRZOG4QMGK76R2FNK6CZ","bundle":"https://pith.science/pith/7DZ4WTKRZOG4QMGK76R2FNK6CZ/bundle.json","state":"https://pith.science/pith/7DZ4WTKRZOG4QMGK76R2FNK6CZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7DZ4WTKRZOG4QMGK76R2FNK6CZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:7DZ4WTKRZOG4QMGK76R2FNK6CZ","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":"e43a3b71af0c6f517424ea0b73a5641c55c6912a5358f14c60bc3a2088368d36","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-07-01T18:00:05Z","title_canon_sha256":"3df4f6cc9d948b575e678bd92f4d09dc5528f3fca80e7b7026f6772ae504bdcc"},"schema_version":"1.0","source":{"id":"2407.01681","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.01681","created_at":"2026-07-05T09:55:10Z"},{"alias_kind":"arxiv_version","alias_value":"2407.01681v1","created_at":"2026-07-05T09:55:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.01681","created_at":"2026-07-05T09:55:10Z"},{"alias_kind":"pith_short_12","alias_value":"7DZ4WTKRZOG4","created_at":"2026-07-05T09:55:10Z"},{"alias_kind":"pith_short_16","alias_value":"7DZ4WTKRZOG4QMGK","created_at":"2026-07-05T09:55:10Z"},{"alias_kind":"pith_short_8","alias_value":"7DZ4WTKR","created_at":"2026-07-05T09:55:10Z"}],"graph_snapshots":[{"event_id":"sha256:a1c5ec4578076d1a4ee4078bf9fe914facac567995841277cb1b2b55a94efff4","target":"graph","created_at":"2026-07-05T09:55:10Z","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/2407.01681/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce the notion of nonreciprocal superconductors where inversion and time-reversal symmetries are broken, giving rise to an asymmetric energy dispersion. We demonstrate that nonreciprocal superconductivity can be detected by Andreev reflection. In particular, a transparent junction between a normal metal and a nonreciprocal superconductor generally exhibits an asymmetric current-voltage characteristic, which serves as a defining feature of nonreciprocal superconductivity. Unlike the superconducting diode effects, our detection scheme has the advantage of avoiding large critical current","authors_text":"Liang Fu, Margarita Davydova, Max Geier","cross_cats":["cond-mat.mes-hall","cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-07-01T18:00:05Z","title":"Nonreciprocal superconductivity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.01681","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":"sha256:1d81858321ac58949cd2556ae08af35f4f524c6eeeebc999da627fb33878b69a","target":"record","created_at":"2026-07-05T09:55:10Z","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":"e43a3b71af0c6f517424ea0b73a5641c55c6912a5358f14c60bc3a2088368d36","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-07-01T18:00:05Z","title_canon_sha256":"3df4f6cc9d948b575e678bd92f4d09dc5528f3fca80e7b7026f6772ae504bdcc"},"schema_version":"1.0","source":{"id":"2407.01681","kind":"arxiv","version":1}},"canonical_sha256":"f8f3cb4d51cb8dc830caffa3a2b55e166d90acffc127310089dac80c80da01dd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f8f3cb4d51cb8dc830caffa3a2b55e166d90acffc127310089dac80c80da01dd","first_computed_at":"2026-07-05T09:55:10.498155Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:55:10.498155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IRj5E1Q5OBBqhbUjIBJ8GwAiTeHkaLO/HqGPOoKPjcCVFvbxYaY8/dOlXYHqUqVk+cySVCQp/rv9Rj3w1ecDCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:55:10.498609Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.01681","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1d81858321ac58949cd2556ae08af35f4f524c6eeeebc999da627fb33878b69a","sha256:a1c5ec4578076d1a4ee4078bf9fe914facac567995841277cb1b2b55a94efff4"],"state_sha256":"24d7774b83665a35f01a054272f931daeeb784a43921f603586aaa5e823e0027"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FrqzyCVAeQcKyaBbwVxIl8Z7MuwZych2S3ibPn+WOLjPcCGaVEGP5UYNpHOJgG7NOouTBKd7JcXVORrLcClcBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-25T09:34:19.625693Z","bundle_sha256":"540486bcf1088214bbf697d3810c28e9439fb04176b3b6c165f369c5432f11f1"}}