{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:YWFIGCCDWF6VDI5XHTLL662ZAB","short_pith_number":"pith:YWFIGCCD","canonical_record":{"source":{"id":"0710.5546","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2007-10-29T22:51:50Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"15b5ebe6f2c86d22c84d53b1bb5d0f7e1d2ae20344fd66e508903494e626bf34","abstract_canon_sha256":"221a8cf007f32888affdb09924e24f073e7a31005d5bb1b2c5f54f04e0585e2b"},"schema_version":"1.0"},"canonical_sha256":"c58a830843b17d51a3b73cd6bf7b59006eb5af9dac6dac40f6b8bea236fe938e","source":{"kind":"arxiv","id":"0710.5546","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0710.5546","created_at":"2026-07-04T15:15:44Z"},{"alias_kind":"arxiv_version","alias_value":"0710.5546v2","created_at":"2026-07-04T15:15:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0710.5546","created_at":"2026-07-04T15:15:44Z"},{"alias_kind":"pith_short_12","alias_value":"YWFIGCCDWF6V","created_at":"2026-07-04T15:15:44Z"},{"alias_kind":"pith_short_16","alias_value":"YWFIGCCDWF6VDI5X","created_at":"2026-07-04T15:15:44Z"},{"alias_kind":"pith_short_8","alias_value":"YWFIGCCD","created_at":"2026-07-04T15:15:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:YWFIGCCDWF6VDI5XHTLL662ZAB","target":"record","payload":{"canonical_record":{"source":{"id":"0710.5546","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2007-10-29T22:51:50Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"15b5ebe6f2c86d22c84d53b1bb5d0f7e1d2ae20344fd66e508903494e626bf34","abstract_canon_sha256":"221a8cf007f32888affdb09924e24f073e7a31005d5bb1b2c5f54f04e0585e2b"},"schema_version":"1.0"},"canonical_sha256":"c58a830843b17d51a3b73cd6bf7b59006eb5af9dac6dac40f6b8bea236fe938e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:15:44.985027Z","signature_b64":"HUmDq5i1XpShnHY2UD4MtRbsl+gc9EXNrkz4nY5N54YF2ClG+9OHo6jwslQdhWiK13cHPRGORodbMw3ZailtCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c58a830843b17d51a3b73cd6bf7b59006eb5af9dac6dac40f6b8bea236fe938e","last_reissued_at":"2026-07-04T15:15:44.984621Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:15:44.984621Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0710.5546","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":"2026-07-04T15:15:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d+7gUKJ1Qcpxy8Ddw5mO4t8pa8s3hizosGJRt1TQoKRbcy9qMpzQ0PeEHRufhOl6/8uwstwP19Jv8LRqZwppCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T12:09:35.560422Z"},"content_sha256":"32d91d8da454bfb15cf5cfd7f09e9b416867eec541d45ab7423486a304ea5b4a","schema_version":"1.0","event_id":"sha256:32d91d8da454bfb15cf5cfd7f09e9b416867eec541d45ab7423486a304ea5b4a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:YWFIGCCDWF6VDI5XHTLL662ZAB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Giant proximity effect in a phase-fluctuating superconductor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"D. Marchand, L. Covaci, M. Berciu, M. Franz","submitted_at":"2007-10-29T22:51:50Z","abstract_excerpt":"When a tunneling barrier between two superconductors is formed by a normal material that would be a superconductor in the absence of phase fluctuations, the resulting Josephson effect can undergo an enormous enhancement. We establish this novel proximity effect by a general argument as well as a numerical simulation and argue that it may underlie recent experimental observations of the giant proximity effect between two cuprate superconductors separated by a barrier made of the same material rendered normal by severe underdoping."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0710.5546","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0710.5546/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":"2026-07-04T15:15:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GlrMUH3ONj4VDxYjZtLlTXqBAH/MrxS/dwLVRBOza5JQ/Zl9p1VwL8cspGcx0mP0Bk7nBHqndfbPacGaVAnMBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T12:09:35.561547Z"},"content_sha256":"e4cda4a3edb9d578ae1b678663f33aec8d8ea17a8839dcfc7a9de84089777706","schema_version":"1.0","event_id":"sha256:e4cda4a3edb9d578ae1b678663f33aec8d8ea17a8839dcfc7a9de84089777706"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YWFIGCCDWF6VDI5XHTLL662ZAB/bundle.json","state_url":"https://pith.science/pith/YWFIGCCDWF6VDI5XHTLL662ZAB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YWFIGCCDWF6VDI5XHTLL662ZAB/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":"2026-08-05T12:09:35Z","links":{"resolver":"https://pith.science/pith/YWFIGCCDWF6VDI5XHTLL662ZAB","bundle":"https://pith.science/pith/YWFIGCCDWF6VDI5XHTLL662ZAB/bundle.json","state":"https://pith.science/pith/YWFIGCCDWF6VDI5XHTLL662ZAB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YWFIGCCDWF6VDI5XHTLL662ZAB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:YWFIGCCDWF6VDI5XHTLL662ZAB","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":"221a8cf007f32888affdb09924e24f073e7a31005d5bb1b2c5f54f04e0585e2b","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2007-10-29T22:51:50Z","title_canon_sha256":"15b5ebe6f2c86d22c84d53b1bb5d0f7e1d2ae20344fd66e508903494e626bf34"},"schema_version":"1.0","source":{"id":"0710.5546","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0710.5546","created_at":"2026-07-04T15:15:44Z"},{"alias_kind":"arxiv_version","alias_value":"0710.5546v2","created_at":"2026-07-04T15:15:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0710.5546","created_at":"2026-07-04T15:15:44Z"},{"alias_kind":"pith_short_12","alias_value":"YWFIGCCDWF6V","created_at":"2026-07-04T15:15:44Z"},{"alias_kind":"pith_short_16","alias_value":"YWFIGCCDWF6VDI5X","created_at":"2026-07-04T15:15:44Z"},{"alias_kind":"pith_short_8","alias_value":"YWFIGCCD","created_at":"2026-07-04T15:15:44Z"}],"graph_snapshots":[{"event_id":"sha256:e4cda4a3edb9d578ae1b678663f33aec8d8ea17a8839dcfc7a9de84089777706","target":"graph","created_at":"2026-07-04T15:15:44Z","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/0710.5546/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"When a tunneling barrier between two superconductors is formed by a normal material that would be a superconductor in the absence of phase fluctuations, the resulting Josephson effect can undergo an enormous enhancement. We establish this novel proximity effect by a general argument as well as a numerical simulation and argue that it may underlie recent experimental observations of the giant proximity effect between two cuprate superconductors separated by a barrier made of the same material rendered normal by severe underdoping.","authors_text":"D. Marchand, L. Covaci, M. Berciu, M. Franz","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2007-10-29T22:51:50Z","title":"Giant proximity effect in a phase-fluctuating superconductor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0710.5546","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":"sha256:32d91d8da454bfb15cf5cfd7f09e9b416867eec541d45ab7423486a304ea5b4a","target":"record","created_at":"2026-07-04T15:15:44Z","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":"221a8cf007f32888affdb09924e24f073e7a31005d5bb1b2c5f54f04e0585e2b","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2007-10-29T22:51:50Z","title_canon_sha256":"15b5ebe6f2c86d22c84d53b1bb5d0f7e1d2ae20344fd66e508903494e626bf34"},"schema_version":"1.0","source":{"id":"0710.5546","kind":"arxiv","version":2}},"canonical_sha256":"c58a830843b17d51a3b73cd6bf7b59006eb5af9dac6dac40f6b8bea236fe938e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c58a830843b17d51a3b73cd6bf7b59006eb5af9dac6dac40f6b8bea236fe938e","first_computed_at":"2026-07-04T15:15:44.984621Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:15:44.984621Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HUmDq5i1XpShnHY2UD4MtRbsl+gc9EXNrkz4nY5N54YF2ClG+9OHo6jwslQdhWiK13cHPRGORodbMw3ZailtCw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:15:44.985027Z","signed_message":"canonical_sha256_bytes"},"source_id":"0710.5546","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:32d91d8da454bfb15cf5cfd7f09e9b416867eec541d45ab7423486a304ea5b4a","sha256:e4cda4a3edb9d578ae1b678663f33aec8d8ea17a8839dcfc7a9de84089777706"],"state_sha256":"55072d5b32b2be64edf4e9b17eb1b967b322547845e1c7e948b8232a90adf628"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vXZZGI+iNgvQIpnn9v1LqTXflFhAVbyd/ZPaMH44VTBT4ZoyIv9m5Af/iR8UHcaCW8ytEiMmYAcYb0X1fNriAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T12:09:35.575705Z","bundle_sha256":"b9f9b210386aed4f85857b37de3d77e36c7ed30c71e0bfabc38dd0fb64bbc407"}}