{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:BUINLDSJ4XV2VA4XAUMHKXLWJM","short_pith_number":"pith:BUINLDSJ","canonical_record":{"source":{"id":"1311.3441","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2013-11-14T10:25:26Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"d3988c565ace573cc558d4a6288eff797cc30519b6dd848100ae424296c027c4","abstract_canon_sha256":"684f7e6fda313e20b8bf4ae880998310b3a8b8ca810b5c31dd4f72a335238e66"},"schema_version":"1.0"},"canonical_sha256":"0d10d58e49e5ebaa83970518755d764b3886ff7d2f62bcf770fa33cbe4f35c3c","source":{"kind":"arxiv","id":"1311.3441","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.3441","created_at":"2026-05-18T02:19:42Z"},{"alias_kind":"arxiv_version","alias_value":"1311.3441v1","created_at":"2026-05-18T02:19:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.3441","created_at":"2026-05-18T02:19:42Z"},{"alias_kind":"pith_short_12","alias_value":"BUINLDSJ4XV2","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"BUINLDSJ4XV2VA4X","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"BUINLDSJ","created_at":"2026-05-18T12:27:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:BUINLDSJ4XV2VA4XAUMHKXLWJM","target":"record","payload":{"canonical_record":{"source":{"id":"1311.3441","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2013-11-14T10:25:26Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"d3988c565ace573cc558d4a6288eff797cc30519b6dd848100ae424296c027c4","abstract_canon_sha256":"684f7e6fda313e20b8bf4ae880998310b3a8b8ca810b5c31dd4f72a335238e66"},"schema_version":"1.0"},"canonical_sha256":"0d10d58e49e5ebaa83970518755d764b3886ff7d2f62bcf770fa33cbe4f35c3c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:19:42.736086Z","signature_b64":"0LvtqF6TyEPD8arfy2BqMrhrcq4xlYbn3U6tS3RbC7hTlGsuU5O5hEnSmMlhlXULvt8T5v9iOu2Zms89t4M2Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0d10d58e49e5ebaa83970518755d764b3886ff7d2f62bcf770fa33cbe4f35c3c","last_reissued_at":"2026-05-18T02:19:42.735654Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:19:42.735654Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.3441","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":"2026-05-18T02:19:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KjUXUPfmkt5hgp2J0lCou2stZYkgHAjPpW+XJIndga7v35QBUSmw8xTL5K9sukQIJHk9esSqU+cRfY2sY3AaCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:50:38.562030Z"},"content_sha256":"ab3b7734e08bb77df7ddbbc965fe3f8019eb4bd906b774f17ef16c944cfefcb5","schema_version":"1.0","event_id":"sha256:ab3b7734e08bb77df7ddbbc965fe3f8019eb4bd906b774f17ef16c944cfefcb5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:BUINLDSJ4XV2VA4XAUMHKXLWJM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Weak-localization approach to a 2D electron gas with a spectral node","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.dis-nn","authors_text":"A. Sinner, K. Ziegler","submitted_at":"2013-11-14T10:25:26Z","abstract_excerpt":"We study a weakly disordered 2D electron gas with two bands and a spectral node within the weak-localization approach and compare its results with those of Gaussian fluctuations around the self-consistent Born approximation. The appearance of diffusive modes depends on the type of disorder. In particular, we find for a random gap a diffusive mode only from ladder contributions, whereas for a random scalar potential the diffusive mode is created by ladder and by maximally crossed contributions. The ladder (maximally crossed) contributions correspond to fermionic (bosonic) Gaussian fluctuations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.3441","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":""},"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":"2026-05-18T02:19:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tu8dV8Fizs8DgOKv4oIC3W4srGlmlF/moDJdaloymAHOeiBAeyHvSn4mRca7OXCFdqIFRf9ourLhQng07WD8Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:50:38.562507Z"},"content_sha256":"04117bd231789bcb09cd6564031dc3de9f9eb5b45a2d22dbe86d447d7f633e3b","schema_version":"1.0","event_id":"sha256:04117bd231789bcb09cd6564031dc3de9f9eb5b45a2d22dbe86d447d7f633e3b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BUINLDSJ4XV2VA4XAUMHKXLWJM/bundle.json","state_url":"https://pith.science/pith/BUINLDSJ4XV2VA4XAUMHKXLWJM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BUINLDSJ4XV2VA4XAUMHKXLWJM/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":"2026-05-30T11:50:38Z","links":{"resolver":"https://pith.science/pith/BUINLDSJ4XV2VA4XAUMHKXLWJM","bundle":"https://pith.science/pith/BUINLDSJ4XV2VA4XAUMHKXLWJM/bundle.json","state":"https://pith.science/pith/BUINLDSJ4XV2VA4XAUMHKXLWJM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BUINLDSJ4XV2VA4XAUMHKXLWJM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:BUINLDSJ4XV2VA4XAUMHKXLWJM","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":"684f7e6fda313e20b8bf4ae880998310b3a8b8ca810b5c31dd4f72a335238e66","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2013-11-14T10:25:26Z","title_canon_sha256":"d3988c565ace573cc558d4a6288eff797cc30519b6dd848100ae424296c027c4"},"schema_version":"1.0","source":{"id":"1311.3441","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.3441","created_at":"2026-05-18T02:19:42Z"},{"alias_kind":"arxiv_version","alias_value":"1311.3441v1","created_at":"2026-05-18T02:19:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.3441","created_at":"2026-05-18T02:19:42Z"},{"alias_kind":"pith_short_12","alias_value":"BUINLDSJ4XV2","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"BUINLDSJ4XV2VA4X","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"BUINLDSJ","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:04117bd231789bcb09cd6564031dc3de9f9eb5b45a2d22dbe86d447d7f633e3b","target":"graph","created_at":"2026-05-18T02:19:42Z","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 study a weakly disordered 2D electron gas with two bands and a spectral node within the weak-localization approach and compare its results with those of Gaussian fluctuations around the self-consistent Born approximation. The appearance of diffusive modes depends on the type of disorder. In particular, we find for a random gap a diffusive mode only from ladder contributions, whereas for a random scalar potential the diffusive mode is created by ladder and by maximally crossed contributions. The ladder (maximally crossed) contributions correspond to fermionic (bosonic) Gaussian fluctuations.","authors_text":"A. Sinner, K. Ziegler","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2013-11-14T10:25:26Z","title":"Weak-localization approach to a 2D electron gas with a spectral node"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.3441","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:ab3b7734e08bb77df7ddbbc965fe3f8019eb4bd906b774f17ef16c944cfefcb5","target":"record","created_at":"2026-05-18T02:19:42Z","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":"684f7e6fda313e20b8bf4ae880998310b3a8b8ca810b5c31dd4f72a335238e66","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2013-11-14T10:25:26Z","title_canon_sha256":"d3988c565ace573cc558d4a6288eff797cc30519b6dd848100ae424296c027c4"},"schema_version":"1.0","source":{"id":"1311.3441","kind":"arxiv","version":1}},"canonical_sha256":"0d10d58e49e5ebaa83970518755d764b3886ff7d2f62bcf770fa33cbe4f35c3c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0d10d58e49e5ebaa83970518755d764b3886ff7d2f62bcf770fa33cbe4f35c3c","first_computed_at":"2026-05-18T02:19:42.735654Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:19:42.735654Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0LvtqF6TyEPD8arfy2BqMrhrcq4xlYbn3U6tS3RbC7hTlGsuU5O5hEnSmMlhlXULvt8T5v9iOu2Zms89t4M2Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:19:42.736086Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.3441","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab3b7734e08bb77df7ddbbc965fe3f8019eb4bd906b774f17ef16c944cfefcb5","sha256:04117bd231789bcb09cd6564031dc3de9f9eb5b45a2d22dbe86d447d7f633e3b"],"state_sha256":"8f788c2ae1adf67f7787fc91f6b26023b36f67718bb60725fcdbc3867b76eabb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p8ncfDUZdgBeBzbBmXu5/95HXKO9Mai0Jib2qONHNJ3Sg0mAiwGnEWHQsplilRs1OxNdpTXDohxYjcq2N7ojCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T11:50:38.564835Z","bundle_sha256":"14ae1bc8bf1e20d44334497a5ee64409e1e0ffa572ff88d31534b897add4d9ee"}}