{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:LBCBVWUNVOEPJAQ2JZ3C4Q6RCM","short_pith_number":"pith:LBCBVWUN","canonical_record":{"source":{"id":"1708.02929","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-08-09T17:55:09Z","cross_cats_sorted":[],"title_canon_sha256":"c3f31b5e1ff349fbb528902df2cb4a848694b44ccf7b1373df07787bb9770fa3","abstract_canon_sha256":"b90380ad64ca8a035d5d0282813de751078ebce302723a6313c2eb1fbdcd8c0f"},"schema_version":"1.0"},"canonical_sha256":"58441ada8dab88f4821a4e762e43d1131222e3577bb11324513e5072c134dd7b","source":{"kind":"arxiv","id":"1708.02929","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.02929","created_at":"2026-05-18T00:24:16Z"},{"alias_kind":"arxiv_version","alias_value":"1708.02929v1","created_at":"2026-05-18T00:24:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.02929","created_at":"2026-05-18T00:24:16Z"},{"alias_kind":"pith_short_12","alias_value":"LBCBVWUNVOEP","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"LBCBVWUNVOEPJAQ2","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"LBCBVWUN","created_at":"2026-05-18T12:31:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:LBCBVWUNVOEPJAQ2JZ3C4Q6RCM","target":"record","payload":{"canonical_record":{"source":{"id":"1708.02929","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-08-09T17:55:09Z","cross_cats_sorted":[],"title_canon_sha256":"c3f31b5e1ff349fbb528902df2cb4a848694b44ccf7b1373df07787bb9770fa3","abstract_canon_sha256":"b90380ad64ca8a035d5d0282813de751078ebce302723a6313c2eb1fbdcd8c0f"},"schema_version":"1.0"},"canonical_sha256":"58441ada8dab88f4821a4e762e43d1131222e3577bb11324513e5072c134dd7b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:24:16.764419Z","signature_b64":"bXaSjm+i4doWDJYmzbN2zCw0mqIWyJS+lK1fJVE0dOBtJhU+U58frMkM2Z1gA/g++JsXi9Q463/EOMfLjSF6Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58441ada8dab88f4821a4e762e43d1131222e3577bb11324513e5072c134dd7b","last_reissued_at":"2026-05-18T00:24:16.763779Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:24:16.763779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.02929","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":"2026-05-18T00:24:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tj1FEvcKGS959hLL3qqbDZxYE0hATba0p1esACKNjgN97WwbSxrjN+rLQL82MOBkZHr+k2J4bwY65kWbuiqCDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T07:24:49.017710Z"},"content_sha256":"b31b42da48c2dea9e6db7048637131ade64a2cce8e5891b323f387ccc867b4ba","schema_version":"1.0","event_id":"sha256:b31b42da48c2dea9e6db7048637131ade64a2cce8e5891b323f387ccc867b4ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:LBCBVWUNVOEPJAQ2JZ3C4Q6RCM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Topological phases in odd-legs frustrated synthetic ladders","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"G. E. Santoro, M. Dalmonte, R. Fazio, S. Barbarino","submitted_at":"2017-08-09T17:55:09Z","abstract_excerpt":"The realization of the Hofstadter model in a strongly anisotropic ladder geometry has now become possible in one-dimensional optical lattices with a synthetic dimension. In this work, we show how the Hofstadter Hamiltonian in such ladder configurations hosts a topological phase of matter which is radically different from its two-dimensional counterpart. This topological phase stems directly from the hybrid nature of the ladder geometry, and is protected by a properly defined inversion symmetry. We start our analysis considering the paradigmatic case of a three-leg ladder which supports a topol"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.02929","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":"2026-05-18T00:24:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mg+3IyHkKgJ/777fESh9e3hLbyvqbsvfxVbr6PZa3ahoINQtdvxJD6JDTgO+iKJf0G4miklG4tUz3s8qNvuBDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T07:24:49.018245Z"},"content_sha256":"25f43f035d49ae3fc57666c39eaf27be9a4baf03fbe5304887dacc218d91c151","schema_version":"1.0","event_id":"sha256:25f43f035d49ae3fc57666c39eaf27be9a4baf03fbe5304887dacc218d91c151"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LBCBVWUNVOEPJAQ2JZ3C4Q6RCM/bundle.json","state_url":"https://pith.science/pith/LBCBVWUNVOEPJAQ2JZ3C4Q6RCM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LBCBVWUNVOEPJAQ2JZ3C4Q6RCM/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":"2026-06-04T07:24:49Z","links":{"resolver":"https://pith.science/pith/LBCBVWUNVOEPJAQ2JZ3C4Q6RCM","bundle":"https://pith.science/pith/LBCBVWUNVOEPJAQ2JZ3C4Q6RCM/bundle.json","state":"https://pith.science/pith/LBCBVWUNVOEPJAQ2JZ3C4Q6RCM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LBCBVWUNVOEPJAQ2JZ3C4Q6RCM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:LBCBVWUNVOEPJAQ2JZ3C4Q6RCM","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":"b90380ad64ca8a035d5d0282813de751078ebce302723a6313c2eb1fbdcd8c0f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-08-09T17:55:09Z","title_canon_sha256":"c3f31b5e1ff349fbb528902df2cb4a848694b44ccf7b1373df07787bb9770fa3"},"schema_version":"1.0","source":{"id":"1708.02929","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.02929","created_at":"2026-05-18T00:24:16Z"},{"alias_kind":"arxiv_version","alias_value":"1708.02929v1","created_at":"2026-05-18T00:24:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.02929","created_at":"2026-05-18T00:24:16Z"},{"alias_kind":"pith_short_12","alias_value":"LBCBVWUNVOEP","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"LBCBVWUNVOEPJAQ2","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"LBCBVWUN","created_at":"2026-05-18T12:31:28Z"}],"graph_snapshots":[{"event_id":"sha256:25f43f035d49ae3fc57666c39eaf27be9a4baf03fbe5304887dacc218d91c151","target":"graph","created_at":"2026-05-18T00:24:16Z","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":"The realization of the Hofstadter model in a strongly anisotropic ladder geometry has now become possible in one-dimensional optical lattices with a synthetic dimension. In this work, we show how the Hofstadter Hamiltonian in such ladder configurations hosts a topological phase of matter which is radically different from its two-dimensional counterpart. This topological phase stems directly from the hybrid nature of the ladder geometry, and is protected by a properly defined inversion symmetry. We start our analysis considering the paradigmatic case of a three-leg ladder which supports a topol","authors_text":"G. E. Santoro, M. Dalmonte, R. Fazio, S. Barbarino","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-08-09T17:55:09Z","title":"Topological phases in odd-legs frustrated synthetic ladders"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.02929","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:b31b42da48c2dea9e6db7048637131ade64a2cce8e5891b323f387ccc867b4ba","target":"record","created_at":"2026-05-18T00:24:16Z","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":"b90380ad64ca8a035d5d0282813de751078ebce302723a6313c2eb1fbdcd8c0f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-08-09T17:55:09Z","title_canon_sha256":"c3f31b5e1ff349fbb528902df2cb4a848694b44ccf7b1373df07787bb9770fa3"},"schema_version":"1.0","source":{"id":"1708.02929","kind":"arxiv","version":1}},"canonical_sha256":"58441ada8dab88f4821a4e762e43d1131222e3577bb11324513e5072c134dd7b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"58441ada8dab88f4821a4e762e43d1131222e3577bb11324513e5072c134dd7b","first_computed_at":"2026-05-18T00:24:16.763779Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:24:16.763779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bXaSjm+i4doWDJYmzbN2zCw0mqIWyJS+lK1fJVE0dOBtJhU+U58frMkM2Z1gA/g++JsXi9Q463/EOMfLjSF6Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T00:24:16.764419Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.02929","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b31b42da48c2dea9e6db7048637131ade64a2cce8e5891b323f387ccc867b4ba","sha256:25f43f035d49ae3fc57666c39eaf27be9a4baf03fbe5304887dacc218d91c151"],"state_sha256":"03307a56cb9b3cb6312ab003fd0114f85d4989e39d110f7491d06a8630a0d159"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ua/NKBG5DWatG5D5eUFHD1ulZlJ+dpIAm/wXLwUWqa5cPIJyCyDbhecFH+wt/AB2GDbrQV53o8mZ+vtJpWqZBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T07:24:49.021403Z","bundle_sha256":"776aca88b295eb98842b21519c362a481de4863b3837fe13990fdc09725a721b"}}