{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:C3TFUP23AE4WCNUQINWZAJUOIE","short_pith_number":"pith:C3TFUP23","canonical_record":{"source":{"id":"1602.06784","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2016-02-22T14:17:53Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"title_canon_sha256":"1b6be652eb5828cd94f0d2e7c1f2aef897b0e930fb16e14e6951358a8fb0ff90","abstract_canon_sha256":"a1c75583b0ebe31a593ca40be567fd01ae2e244206bbb0b73a29038bc202b790"},"schema_version":"1.0"},"canonical_sha256":"16e65a3f5b0139613690436d90268e412d41d8709a3bf5ab17b70b440cc822d2","source":{"kind":"arxiv","id":"1602.06784","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.06784","created_at":"2026-05-18T01:09:36Z"},{"alias_kind":"arxiv_version","alias_value":"1602.06784v1","created_at":"2026-05-18T01:09:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.06784","created_at":"2026-05-18T01:09:36Z"},{"alias_kind":"pith_short_12","alias_value":"C3TFUP23AE4W","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"C3TFUP23AE4WCNUQ","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"C3TFUP23","created_at":"2026-05-18T12:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:C3TFUP23AE4WCNUQINWZAJUOIE","target":"record","payload":{"canonical_record":{"source":{"id":"1602.06784","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2016-02-22T14:17:53Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"title_canon_sha256":"1b6be652eb5828cd94f0d2e7c1f2aef897b0e930fb16e14e6951358a8fb0ff90","abstract_canon_sha256":"a1c75583b0ebe31a593ca40be567fd01ae2e244206bbb0b73a29038bc202b790"},"schema_version":"1.0"},"canonical_sha256":"16e65a3f5b0139613690436d90268e412d41d8709a3bf5ab17b70b440cc822d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:36.041089Z","signature_b64":"77Eu2ecQnpOBhXgV8xj0nJQMkTAHsJhsdKOZqUOMf6dT5wGeFNVEh0/QmEQxflc5ZBynWOJPR1OFEdcvzgSWBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"16e65a3f5b0139613690436d90268e412d41d8709a3bf5ab17b70b440cc822d2","last_reissued_at":"2026-05-18T01:09:36.040718Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:36.040718Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.06784","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":"2026-05-18T01:09:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ToCbqNIaBX4DLQv9Rb0WT7sp2x8TphRz1w6agbZx4XHtuxwLT8+lbZTG5Fwvbrtw5PZUW/A2PMEW5QwlKLisAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T08:30:16.313931Z"},"content_sha256":"d150de84de853803fc1475792aba7e5e40cb585fa339798676584e22b3cc5116","schema_version":"1.0","event_id":"sha256:d150de84de853803fc1475792aba7e5e40cb585fa339798676584e22b3cc5116"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:C3TFUP23AE4WCNUQINWZAJUOIE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modified interactions in a Floquet topological system on a square lattice and their impact on a bosonic fractional Chern insulator state","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.str-el"],"primary_cat":"cond-mat.quant-gas","authors_text":"Andr\\'e Eckardt, Egidijus Anisimovas, Giedrius \\v{Z}labys, Mantas Ra\\v{c}i\\=unas","submitted_at":"2016-02-22T14:17:53Z","abstract_excerpt":"We propose a simple scheme for the realization of a topological quasienergy band structure with ultracold atoms in a periodically driven optical square lattice. It is based on a circular lattice shaking in the presence of a superlattice that lowers the energy on every other site. The topological band gap, which separates the two bands with Chern numbers $\\pm 1$, is opened in a way characteristic to Floquet topological insulators, namely, by terms of the effective Hamiltonian that appear in subleading order of a high-frequency expansion. These terms correspond to processes where a particle tunn"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.06784","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":"2026-05-18T01:09:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"osbpTwZRoJjFrE9qMO2rQa+keZEO3rQt7s4w0O//tlRasg7rHmxTy8KL11ZCdK7v369cRWQFcXWx5HVxSvsgAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T08:30:16.314275Z"},"content_sha256":"447860aa43b3fd9b2aa8a4b831cbbd2f7844d081841d0ac03fa0eef1a6f4cc8c","schema_version":"1.0","event_id":"sha256:447860aa43b3fd9b2aa8a4b831cbbd2f7844d081841d0ac03fa0eef1a6f4cc8c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C3TFUP23AE4WCNUQINWZAJUOIE/bundle.json","state_url":"https://pith.science/pith/C3TFUP23AE4WCNUQINWZAJUOIE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C3TFUP23AE4WCNUQINWZAJUOIE/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":"2026-06-02T08:30:16Z","links":{"resolver":"https://pith.science/pith/C3TFUP23AE4WCNUQINWZAJUOIE","bundle":"https://pith.science/pith/C3TFUP23AE4WCNUQINWZAJUOIE/bundle.json","state":"https://pith.science/pith/C3TFUP23AE4WCNUQINWZAJUOIE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C3TFUP23AE4WCNUQINWZAJUOIE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:C3TFUP23AE4WCNUQINWZAJUOIE","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":"a1c75583b0ebe31a593ca40be567fd01ae2e244206bbb0b73a29038bc202b790","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2016-02-22T14:17:53Z","title_canon_sha256":"1b6be652eb5828cd94f0d2e7c1f2aef897b0e930fb16e14e6951358a8fb0ff90"},"schema_version":"1.0","source":{"id":"1602.06784","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.06784","created_at":"2026-05-18T01:09:36Z"},{"alias_kind":"arxiv_version","alias_value":"1602.06784v1","created_at":"2026-05-18T01:09:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.06784","created_at":"2026-05-18T01:09:36Z"},{"alias_kind":"pith_short_12","alias_value":"C3TFUP23AE4W","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"C3TFUP23AE4WCNUQ","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"C3TFUP23","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:447860aa43b3fd9b2aa8a4b831cbbd2f7844d081841d0ac03fa0eef1a6f4cc8c","target":"graph","created_at":"2026-05-18T01:09:36Z","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 propose a simple scheme for the realization of a topological quasienergy band structure with ultracold atoms in a periodically driven optical square lattice. It is based on a circular lattice shaking in the presence of a superlattice that lowers the energy on every other site. The topological band gap, which separates the two bands with Chern numbers $\\pm 1$, is opened in a way characteristic to Floquet topological insulators, namely, by terms of the effective Hamiltonian that appear in subleading order of a high-frequency expansion. These terms correspond to processes where a particle tunn","authors_text":"Andr\\'e Eckardt, Egidijus Anisimovas, Giedrius \\v{Z}labys, Mantas Ra\\v{c}i\\=unas","cross_cats":["cond-mat.mes-hall","cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2016-02-22T14:17:53Z","title":"Modified interactions in a Floquet topological system on a square lattice and their impact on a bosonic fractional Chern insulator state"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.06784","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:d150de84de853803fc1475792aba7e5e40cb585fa339798676584e22b3cc5116","target":"record","created_at":"2026-05-18T01:09:36Z","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":"a1c75583b0ebe31a593ca40be567fd01ae2e244206bbb0b73a29038bc202b790","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2016-02-22T14:17:53Z","title_canon_sha256":"1b6be652eb5828cd94f0d2e7c1f2aef897b0e930fb16e14e6951358a8fb0ff90"},"schema_version":"1.0","source":{"id":"1602.06784","kind":"arxiv","version":1}},"canonical_sha256":"16e65a3f5b0139613690436d90268e412d41d8709a3bf5ab17b70b440cc822d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"16e65a3f5b0139613690436d90268e412d41d8709a3bf5ab17b70b440cc822d2","first_computed_at":"2026-05-18T01:09:36.040718Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:36.040718Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"77Eu2ecQnpOBhXgV8xj0nJQMkTAHsJhsdKOZqUOMf6dT5wGeFNVEh0/QmEQxflc5ZBynWOJPR1OFEdcvzgSWBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:36.041089Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.06784","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d150de84de853803fc1475792aba7e5e40cb585fa339798676584e22b3cc5116","sha256:447860aa43b3fd9b2aa8a4b831cbbd2f7844d081841d0ac03fa0eef1a6f4cc8c"],"state_sha256":"c2567a3b7a31317de329fff114445c4d2779fb837f478c61a920dae61a2969ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pbhjlPbH+FdEHMxMrGcbEEvqvGKCeLfQ0cc7PdTrIRetqI0MUMey1RPZrClTs3Lw1V704fl/k8Eixlk9HK8SBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T08:30:16.316241Z","bundle_sha256":"1fa7323849f6e318ba378ea9ecab36b71c75935e2509800b73f3fc02081d5b12"}}