{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:MXGPMXDSOGO5A3MCI7L22E7OIX","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":"ae66ae5b3aa9520ef2d6b9c44c19ab2b8a63e3365474cade67a23e607647a904","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-01-06T09:23:00Z","title_canon_sha256":"73eadcd2908209fa4b418f44e538d83287477f89b896d3e5ca753920967db486"},"schema_version":"1.0","source":{"id":"1101.1175","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.1175","created_at":"2026-05-18T02:04:12Z"},{"alias_kind":"arxiv_version","alias_value":"1101.1175v1","created_at":"2026-05-18T02:04:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.1175","created_at":"2026-05-18T02:04:12Z"},{"alias_kind":"pith_short_12","alias_value":"MXGPMXDSOGO5","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"MXGPMXDSOGO5A3MC","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"MXGPMXDS","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:3386c19903e6f974e7eb7c66f9506309a3e22046b4343c4996f4067f1e70d0de","target":"graph","created_at":"2026-05-18T02:04:12Z","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":"Conductance spectra measurements of highly transparent ramp-type junctions made of superconducting $La_{2-x}Sr_{x}CuO_4$ electrodes and non superconducting $La_{1.65}Sr_{0.35}CuO_4$ barrier are reported. At low temperatures below $T_c$, these junctions have two prominent Andreev-like conductance peaks with clear steps at energies $\\Delta_1$ and $\\Delta_2$ with $\\Delta_2 > 2\\Delta_1$. No such peaks appear above $T_c$. The doping dependence at 2 K shows that both $\\Delta_1$ and $\\Delta_2$ scale roughly as $T_c$. $\\Delta_1$ is identified as the superconducting energy gap, while a few scenarios ar","authors_text":"Gad Koren, Tal Kirzhner","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-01-06T09:23:00Z","title":"Observation of two Andreev-like energy scales in $La_{2-x}Sr_{x}CuO_4$ superconductor/normal-metal/superconductor junctions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.1175","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:a3bf913e9dc6144e3859e013530bd1bbd91d237fefee7874ac0b669ade2d316a","target":"record","created_at":"2026-05-18T02:04:12Z","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":"ae66ae5b3aa9520ef2d6b9c44c19ab2b8a63e3365474cade67a23e607647a904","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-01-06T09:23:00Z","title_canon_sha256":"73eadcd2908209fa4b418f44e538d83287477f89b896d3e5ca753920967db486"},"schema_version":"1.0","source":{"id":"1101.1175","kind":"arxiv","version":1}},"canonical_sha256":"65ccf65c72719dd06d8247d7ad13ee45dda5580d572658d72bd2d85d9892470f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"65ccf65c72719dd06d8247d7ad13ee45dda5580d572658d72bd2d85d9892470f","first_computed_at":"2026-05-18T02:04:12.382252Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:12.382252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zCiBWj6EKOLI53sJ0LW4YkkoCG89kgAxhwphDwoG48VUoT6hMhNCZ2oMaOzu4yjpOA/v3hhpiNm+FjKSIph4Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:12.382857Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.1175","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3bf913e9dc6144e3859e013530bd1bbd91d237fefee7874ac0b669ade2d316a","sha256:3386c19903e6f974e7eb7c66f9506309a3e22046b4343c4996f4067f1e70d0de"],"state_sha256":"a0ba4e57b2f39183ec21f5c00e1fb023b917160c57234bbbf63d1a79fad2e143"}