{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:YI4RPPSWWMSB4EDFTIHASQELVK","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":"e34cfef9227bbeb2c8b09e3311c0d10000859b6c437914145e7f7d6e57b8ddf1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-06-26T13:30:56Z","title_canon_sha256":"0efadb1809205ee0477908df98d584a51beb5368510556ae4805bd2d45e6e330"},"schema_version":"1.0","source":{"id":"1506.08057","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.08057","created_at":"2026-05-18T01:31:21Z"},{"alias_kind":"arxiv_version","alias_value":"1506.08057v2","created_at":"2026-05-18T01:31:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.08057","created_at":"2026-05-18T01:31:21Z"},{"alias_kind":"pith_short_12","alias_value":"YI4RPPSWWMSB","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YI4RPPSWWMSB4EDF","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YI4RPPSW","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:eb75704920e00d14f547ccbb5ac24a6c3f643d0cc1ee8bd596c270b915077cbd","target":"graph","created_at":"2026-05-18T01:31:21Z","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 consider a spin-1/2 fermionic ladder with spin-orbit coupling and a perpendicular magnetic field, which shares important similarities with topological superconducting wires. We fully characterize the symmetry-protected topological phase of this ladder through the identification of fractionalized edge modes and non-trivial spin winding numbers. We propose an experimental scheme to engineer such a ladder system with cold atoms in optical lattices, and we present two protocols that can be used to extract the topological signatures from density and momentum-distribution measurements. We then co","authors_text":"Hong-Hao Tu, Leonardo Mazza, Michele Burrello, Monika Aidelsburger, Nathan Goldman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-06-26T13:30:56Z","title":"Methods for detecting charge fractionalization and winding numbers in an interacting fermionic ladder"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.08057","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":"sha256:05300ce8e327ad84570fb65a1fd8d91a567b71c0f9a17ec065328ec299ef4b93","target":"record","created_at":"2026-05-18T01:31:21Z","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":"e34cfef9227bbeb2c8b09e3311c0d10000859b6c437914145e7f7d6e57b8ddf1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-06-26T13:30:56Z","title_canon_sha256":"0efadb1809205ee0477908df98d584a51beb5368510556ae4805bd2d45e6e330"},"schema_version":"1.0","source":{"id":"1506.08057","kind":"arxiv","version":2}},"canonical_sha256":"c23917be56b3241e10659a0e09408baa95fd9e9f51e23e52da24b2ab2f338c2f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c23917be56b3241e10659a0e09408baa95fd9e9f51e23e52da24b2ab2f338c2f","first_computed_at":"2026-05-18T01:31:21.118632Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:31:21.118632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"14uQt1CLMzn59b6ZLbT33lYFovXOJEPzEw05hMhqbWNEK9zkQUbev3S7aw0WXSNcDfaOp/PyT+umGErRBmi+BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:31:21.119118Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.08057","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:05300ce8e327ad84570fb65a1fd8d91a567b71c0f9a17ec065328ec299ef4b93","sha256:eb75704920e00d14f547ccbb5ac24a6c3f643d0cc1ee8bd596c270b915077cbd"],"state_sha256":"1106849358d34a2e5387db274393ff886c0a2cae58f67da585a625d6d34bd3a5"}