{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:6WAU2K5YDJ57GMFEY76MHWA42M","short_pith_number":"pith:6WAU2K5Y","canonical_record":{"source":{"id":"cond-mat/9908075","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1999-08-05T08:35:37Z","cross_cats_sorted":[],"title_canon_sha256":"96aa0de46fb951fea0f0791c5a24cf54f3e37566115d5478688636086da6599b","abstract_canon_sha256":"69391a5196f5396c3424a88ab3229b450122d90279d9a8c8e6867363bd66f04f"},"schema_version":"1.0"},"canonical_sha256":"f5814d2bb81a7bf330a4c7fcc3d81cd327f0e53704c3317b97d0baacb01d15b9","source":{"kind":"arxiv","id":"cond-mat/9908075","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9908075","created_at":"2026-05-18T01:07:04Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9908075v2","created_at":"2026-05-18T01:07:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9908075","created_at":"2026-05-18T01:07:04Z"},{"alias_kind":"pith_short_12","alias_value":"6WAU2K5YDJ57","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"6WAU2K5YDJ57GMFE","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"6WAU2K5Y","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:6WAU2K5YDJ57GMFEY76MHWA42M","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9908075","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1999-08-05T08:35:37Z","cross_cats_sorted":[],"title_canon_sha256":"96aa0de46fb951fea0f0791c5a24cf54f3e37566115d5478688636086da6599b","abstract_canon_sha256":"69391a5196f5396c3424a88ab3229b450122d90279d9a8c8e6867363bd66f04f"},"schema_version":"1.0"},"canonical_sha256":"f5814d2bb81a7bf330a4c7fcc3d81cd327f0e53704c3317b97d0baacb01d15b9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:04.444105Z","signature_b64":"pV+d4N/3htuUMZrcRyq43yRgLw+0c4Rlu6IfCdewAcND46kLBL0S+l+h6JCRXGLMu5rqWG9jZ+Hg6pYLyDUKDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f5814d2bb81a7bf330a4c7fcc3d81cd327f0e53704c3317b97d0baacb01d15b9","last_reissued_at":"2026-05-18T01:07:04.443673Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:04.443673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9908075","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:07:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yo5n+2e2z4xr1VJKSdJQkITzOXLHsQBkYuRJWMShV9k/l4tjM7WbVfw3DueODwx6Z7kyuBMRGgYjBfshpSn9BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T07:02:43.925628Z"},"content_sha256":"b2e9af1bbf808cbc9b08d4e81f7ea73ec126820a5b6310fd2cac99270a745264","schema_version":"1.0","event_id":"sha256:b2e9af1bbf808cbc9b08d4e81f7ea73ec126820a5b6310fd2cac99270a745264"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:6WAU2K5YDJ57GMFEY76MHWA42M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Proximity Effect in Presence of Quantum Fluctuations","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat","authors_text":"A. I. Larkin, M. A. Skvortsov, M. V. Feigel'man","submitted_at":"1999-08-05T08:35:37Z","abstract_excerpt":"The effect of Coulomb interaction upon superconductive proximity effect in disordered metals is studied, employing newly developed Keldysh functional approach (cond-mat/9907358).\n We have calculated subgap Andreev conductance between superconductor and 2D dirty film, as well as Josephson coupling via such a film. Both two qualitatively different Coulomb effects - suppression of the tunneling density of states and disorder-enchanced repulsion in the Cooper channel - are shown to be important at sufficiently low temperatures."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9908075","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T01:07:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wz7EZ18/Oy/KSn3+he8y8IgOO2JUtBGpQfy/f8DB2DvHxl6QaXZLW9lU+K8zC1L+Z+vyiIsT7qcfrf87PWtiBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T07:02:43.925968Z"},"content_sha256":"c02580cd87291490ec47704a5f134cc2f6c8ed25836fe1f024ee3a672a322479","schema_version":"1.0","event_id":"sha256:c02580cd87291490ec47704a5f134cc2f6c8ed25836fe1f024ee3a672a322479"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6WAU2K5YDJ57GMFEY76MHWA42M/bundle.json","state_url":"https://pith.science/pith/6WAU2K5YDJ57GMFEY76MHWA42M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6WAU2K5YDJ57GMFEY76MHWA42M/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":"2026-07-02T07:02:43Z","links":{"resolver":"https://pith.science/pith/6WAU2K5YDJ57GMFEY76MHWA42M","bundle":"https://pith.science/pith/6WAU2K5YDJ57GMFEY76MHWA42M/bundle.json","state":"https://pith.science/pith/6WAU2K5YDJ57GMFEY76MHWA42M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6WAU2K5YDJ57GMFEY76MHWA42M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:6WAU2K5YDJ57GMFEY76MHWA42M","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":"69391a5196f5396c3424a88ab3229b450122d90279d9a8c8e6867363bd66f04f","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1999-08-05T08:35:37Z","title_canon_sha256":"96aa0de46fb951fea0f0791c5a24cf54f3e37566115d5478688636086da6599b"},"schema_version":"1.0","source":{"id":"cond-mat/9908075","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9908075","created_at":"2026-05-18T01:07:04Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9908075v2","created_at":"2026-05-18T01:07:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9908075","created_at":"2026-05-18T01:07:04Z"},{"alias_kind":"pith_short_12","alias_value":"6WAU2K5YDJ57","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"6WAU2K5YDJ57GMFE","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"6WAU2K5Y","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:c02580cd87291490ec47704a5f134cc2f6c8ed25836fe1f024ee3a672a322479","target":"graph","created_at":"2026-05-18T01:07:04Z","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"},"paper":{"abstract_excerpt":"The effect of Coulomb interaction upon superconductive proximity effect in disordered metals is studied, employing newly developed Keldysh functional approach (cond-mat/9907358).\n We have calculated subgap Andreev conductance between superconductor and 2D dirty film, as well as Josephson coupling via such a film. Both two qualitatively different Coulomb effects - suppression of the tunneling density of states and disorder-enchanced repulsion in the Cooper channel - are shown to be important at sufficiently low temperatures.","authors_text":"A. I. Larkin, M. A. Skvortsov, M. V. Feigel'man","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat","submitted_at":"1999-08-05T08:35:37Z","title":"Proximity Effect in Presence of Quantum Fluctuations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9908075","kind":"arxiv","version":2},"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:b2e9af1bbf808cbc9b08d4e81f7ea73ec126820a5b6310fd2cac99270a745264","target":"record","created_at":"2026-05-18T01:07:04Z","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":"69391a5196f5396c3424a88ab3229b450122d90279d9a8c8e6867363bd66f04f","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1999-08-05T08:35:37Z","title_canon_sha256":"96aa0de46fb951fea0f0791c5a24cf54f3e37566115d5478688636086da6599b"},"schema_version":"1.0","source":{"id":"cond-mat/9908075","kind":"arxiv","version":2}},"canonical_sha256":"f5814d2bb81a7bf330a4c7fcc3d81cd327f0e53704c3317b97d0baacb01d15b9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f5814d2bb81a7bf330a4c7fcc3d81cd327f0e53704c3317b97d0baacb01d15b9","first_computed_at":"2026-05-18T01:07:04.443673Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:04.443673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pV+d4N/3htuUMZrcRyq43yRgLw+0c4Rlu6IfCdewAcND46kLBL0S+l+h6JCRXGLMu5rqWG9jZ+Hg6pYLyDUKDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:04.444105Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9908075","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b2e9af1bbf808cbc9b08d4e81f7ea73ec126820a5b6310fd2cac99270a745264","sha256:c02580cd87291490ec47704a5f134cc2f6c8ed25836fe1f024ee3a672a322479"],"state_sha256":"83cf84fe01b5a3cf526152390ed0fb2604001730acc4cd151c0e1edba20e9d1b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mh+V5wdVu7xAzEzRkHAUFsw40Ssf3wkJ8o3Tr2chW2/53Nzs4l8kKQ1uOmRggKEgYaYffL7Yaz57ojchnsjUBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T07:02:43.927957Z","bundle_sha256":"d112fabcb3d4a68e11abf8ce21cb0c594f698a34405eab32e8a81b76b05e62e0"}}