{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:4QTNRF37OJLIX7UO7NXX527CEA","short_pith_number":"pith:4QTNRF37","canonical_record":{"source":{"id":"1305.6300","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-05-27T19:14:50Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.mes-hall"],"title_canon_sha256":"4c34e263367f9f457199451de189407953bc0bc2991e46da79f24ef9374afe7a","abstract_canon_sha256":"a2978762deb2579b3e5037273a179ec84d74522e128e5d93128a61e82c0ae364"},"schema_version":"1.0"},"canonical_sha256":"e426d8977f72568bfe8efb6f7eebe2201622859a37ae99de492f395875116109","source":{"kind":"arxiv","id":"1305.6300","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.6300","created_at":"2026-05-18T03:10:26Z"},{"alias_kind":"arxiv_version","alias_value":"1305.6300v2","created_at":"2026-05-18T03:10:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.6300","created_at":"2026-05-18T03:10:26Z"},{"alias_kind":"pith_short_12","alias_value":"4QTNRF37OJLI","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4QTNRF37OJLIX7UO","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4QTNRF37","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:4QTNRF37OJLIX7UO7NXX527CEA","target":"record","payload":{"canonical_record":{"source":{"id":"1305.6300","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-05-27T19:14:50Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.mes-hall"],"title_canon_sha256":"4c34e263367f9f457199451de189407953bc0bc2991e46da79f24ef9374afe7a","abstract_canon_sha256":"a2978762deb2579b3e5037273a179ec84d74522e128e5d93128a61e82c0ae364"},"schema_version":"1.0"},"canonical_sha256":"e426d8977f72568bfe8efb6f7eebe2201622859a37ae99de492f395875116109","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:10:26.462331Z","signature_b64":"3RZdxt2SkoAz8KtPKh/o9QoGjIUORn+UGr9wfp+9TJCh886id28LqcCyeJKxWdrdcnfHLCwaWINC8Mh5WnwVDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e426d8977f72568bfe8efb6f7eebe2201622859a37ae99de492f395875116109","last_reissued_at":"2026-05-18T03:10:26.461675Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:10:26.461675Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.6300","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":"2026-05-18T03:10:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zj8GAUJIuIue7ZSs7/zyvZesPaWF37u6jBg3mGnGTODGAQ2EKjArVKQoKx54XELuEu0FoEZYyNEDWt5d6/jhBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T01:32:55.523678Z"},"content_sha256":"2e88b4176701be9e8543e569fdbdeff0ea1dd61c91f333604653efe437a8d1be","schema_version":"1.0","event_id":"sha256:2e88b4176701be9e8543e569fdbdeff0ea1dd61c91f333604653efe437a8d1be"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:4QTNRF37OJLIX7UO7NXX527CEA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Subgap states in disordered superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.mes-hall"],"primary_cat":"cond-mat.supr-con","authors_text":"M. A. Skvortsov, M. V. Feigel'man","submitted_at":"2013-05-27T19:14:50Z","abstract_excerpt":"We revise the problem of the density of states in disordered superconductors. Randomness of local sample characteristics translates to the quenched spatial inhomogeneity of the spectral gap, smearing the BCS coherence peak. We show that various microscopic models of potential and magnetic disorder can be reduced to a universal phenomenological random order parameter model, whereas the details of the microscopic description are encoded in the correlation function of the order parameter fluctuations. The resulting form of the density of states is generally described by two parameters: the width "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.6300","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":"2026-05-18T03:10:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LTtmtHLmJhzt8io6gsQKv+ooKU09phkrWbCHojryGpq2pmpuvTaII+EmykSphT10qRWayH0IB+bH7zE/usfKAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T01:32:55.524038Z"},"content_sha256":"c59be7d32e840c64b9ecb46df006de28d2fcd764afd0aa08b98cdfd8441f8a0b","schema_version":"1.0","event_id":"sha256:c59be7d32e840c64b9ecb46df006de28d2fcd764afd0aa08b98cdfd8441f8a0b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4QTNRF37OJLIX7UO7NXX527CEA/bundle.json","state_url":"https://pith.science/pith/4QTNRF37OJLIX7UO7NXX527CEA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4QTNRF37OJLIX7UO7NXX527CEA/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":"2026-07-02T01:32:55Z","links":{"resolver":"https://pith.science/pith/4QTNRF37OJLIX7UO7NXX527CEA","bundle":"https://pith.science/pith/4QTNRF37OJLIX7UO7NXX527CEA/bundle.json","state":"https://pith.science/pith/4QTNRF37OJLIX7UO7NXX527CEA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4QTNRF37OJLIX7UO7NXX527CEA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:4QTNRF37OJLIX7UO7NXX527CEA","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":"a2978762deb2579b3e5037273a179ec84d74522e128e5d93128a61e82c0ae364","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-05-27T19:14:50Z","title_canon_sha256":"4c34e263367f9f457199451de189407953bc0bc2991e46da79f24ef9374afe7a"},"schema_version":"1.0","source":{"id":"1305.6300","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.6300","created_at":"2026-05-18T03:10:26Z"},{"alias_kind":"arxiv_version","alias_value":"1305.6300v2","created_at":"2026-05-18T03:10:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.6300","created_at":"2026-05-18T03:10:26Z"},{"alias_kind":"pith_short_12","alias_value":"4QTNRF37OJLI","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4QTNRF37OJLIX7UO","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4QTNRF37","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:c59be7d32e840c64b9ecb46df006de28d2fcd764afd0aa08b98cdfd8441f8a0b","target":"graph","created_at":"2026-05-18T03:10:26Z","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":"We revise the problem of the density of states in disordered superconductors. Randomness of local sample characteristics translates to the quenched spatial inhomogeneity of the spectral gap, smearing the BCS coherence peak. We show that various microscopic models of potential and magnetic disorder can be reduced to a universal phenomenological random order parameter model, whereas the details of the microscopic description are encoded in the correlation function of the order parameter fluctuations. The resulting form of the density of states is generally described by two parameters: the width ","authors_text":"M. A. Skvortsov, M. V. Feigel'man","cross_cats":["cond-mat.dis-nn","cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-05-27T19:14:50Z","title":"Subgap states in disordered superconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.6300","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":"sha256:2e88b4176701be9e8543e569fdbdeff0ea1dd61c91f333604653efe437a8d1be","target":"record","created_at":"2026-05-18T03:10:26Z","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":"a2978762deb2579b3e5037273a179ec84d74522e128e5d93128a61e82c0ae364","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-05-27T19:14:50Z","title_canon_sha256":"4c34e263367f9f457199451de189407953bc0bc2991e46da79f24ef9374afe7a"},"schema_version":"1.0","source":{"id":"1305.6300","kind":"arxiv","version":2}},"canonical_sha256":"e426d8977f72568bfe8efb6f7eebe2201622859a37ae99de492f395875116109","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e426d8977f72568bfe8efb6f7eebe2201622859a37ae99de492f395875116109","first_computed_at":"2026-05-18T03:10:26.461675Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:10:26.461675Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3RZdxt2SkoAz8KtPKh/o9QoGjIUORn+UGr9wfp+9TJCh886id28LqcCyeJKxWdrdcnfHLCwaWINC8Mh5WnwVDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:10:26.462331Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.6300","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2e88b4176701be9e8543e569fdbdeff0ea1dd61c91f333604653efe437a8d1be","sha256:c59be7d32e840c64b9ecb46df006de28d2fcd764afd0aa08b98cdfd8441f8a0b"],"state_sha256":"70a72f126fea813101b215453de8aae38fd162b3174f70fd9ef7b7fbda6c7359"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eUc3FQ11Dz88n/R9LcO4nQUbOqk+OgD8c0qOEiozEnPuCYawH4WjANeYoVgHUg4rT3KxAV7itLjMC4UTWn9RBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T01:32:55.526668Z","bundle_sha256":"7e41a30db8611f3898319b05c488c5c73582289c6eb3fbf8d534773fefb524a7"}}