{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:XOWIAZTGMBJZEO6QLLUGAUB5WV","short_pith_number":"pith:XOWIAZTG","canonical_record":{"source":{"id":"1801.05614","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-01-17T10:25:47Z","cross_cats_sorted":["physics.atom-ph","quant-ph"],"title_canon_sha256":"476846d4dec3e3ed2d9b092b27cf290f4f887bc79fca6305cf4e1fa9a01a3987","abstract_canon_sha256":"1614017e71bef2947aa526ee940eb831a9b668e2fadacaa4d56a7ed9cb7ffbda"},"schema_version":"1.0"},"canonical_sha256":"bbac8066666053923bd05ae860503db5578b2ad8353bb3fad9f5fa0a57394fe2","source":{"kind":"arxiv","id":"1801.05614","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.05614","created_at":"2026-05-18T00:16:27Z"},{"alias_kind":"arxiv_version","alias_value":"1801.05614v2","created_at":"2026-05-18T00:16:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.05614","created_at":"2026-05-18T00:16:27Z"},{"alias_kind":"pith_short_12","alias_value":"XOWIAZTGMBJZ","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_16","alias_value":"XOWIAZTGMBJZEO6Q","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_8","alias_value":"XOWIAZTG","created_at":"2026-05-18T12:33:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:XOWIAZTGMBJZEO6QLLUGAUB5WV","target":"record","payload":{"canonical_record":{"source":{"id":"1801.05614","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-01-17T10:25:47Z","cross_cats_sorted":["physics.atom-ph","quant-ph"],"title_canon_sha256":"476846d4dec3e3ed2d9b092b27cf290f4f887bc79fca6305cf4e1fa9a01a3987","abstract_canon_sha256":"1614017e71bef2947aa526ee940eb831a9b668e2fadacaa4d56a7ed9cb7ffbda"},"schema_version":"1.0"},"canonical_sha256":"bbac8066666053923bd05ae860503db5578b2ad8353bb3fad9f5fa0a57394fe2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:27.054725Z","signature_b64":"8hiKRaqlm2Hy0TKZJ6L36P9Y4PDrUhGjrQdrMfuYKSETUUekYr7TYtMBcLpg3djLLaSChTZWvUI9E/n9PD3tDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bbac8066666053923bd05ae860503db5578b2ad8353bb3fad9f5fa0a57394fe2","last_reissued_at":"2026-05-18T00:16:27.054127Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:27.054127Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.05614","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:16:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JoOAmRrW+rJkyG91uMbQax4yccZkObUoq2R23c+PWjeQ00mZJEnaVa/ogjRwPiIIFnUBWiPQ1LcqWbYrRfmlDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T05:15:03.191601Z"},"content_sha256":"2e60d186c858c218372856cf04e5e347490ee7d2b9da9cbeb62dfcefd11a8cb9","schema_version":"1.0","event_id":"sha256:2e60d186c858c218372856cf04e5e347490ee7d2b9da9cbeb62dfcefd11a8cb9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:XOWIAZTGMBJZEO6QLLUGAUB5WV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-precision multiband spectroscopy of ultracold fermions in a nonseparable optical lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph","quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Benno S. Rem, Christof Weitenberg, Dominik Vogel, Klaus Sengstock, Matthias Tarnowski, Nick Fl\\\"aschner","submitted_at":"2018-01-17T10:25:47Z","abstract_excerpt":"Spectroscopic tools are fundamental for the understanding of complex quantum systems. Here we demonstrate high-precision multi-band spectroscopy in a graphene-like lattice using ultracold fermionic atoms. From the measured band structure, we characterize the underlying lattice potential with a relative error of 1.2 10^(-3). Such a precise characterization of complex lattice potentials is an important step towards precision measurements of quantum many-body systems. Furthermore, we explain the excitation strengths into the different bands with a model and experimentally study their dependency o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.05614","kind":"arxiv","version":2},"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":"2026-05-18T00:16:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G/oV4Jtch0SU2l2+z0v7tIDiJp3LiGtClNJeQjft68VJeB5C5hiXCyrxerWUz06LJkV1k4jziU44X0+Qk68WBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T05:15:03.192279Z"},"content_sha256":"945e1cf3ce2229f939ed259f8f216d2bf84e19ae46558df88d4a96ea71c23483","schema_version":"1.0","event_id":"sha256:945e1cf3ce2229f939ed259f8f216d2bf84e19ae46558df88d4a96ea71c23483"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XOWIAZTGMBJZEO6QLLUGAUB5WV/bundle.json","state_url":"https://pith.science/pith/XOWIAZTGMBJZEO6QLLUGAUB5WV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XOWIAZTGMBJZEO6QLLUGAUB5WV/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":"2026-06-08T05:15:03Z","links":{"resolver":"https://pith.science/pith/XOWIAZTGMBJZEO6QLLUGAUB5WV","bundle":"https://pith.science/pith/XOWIAZTGMBJZEO6QLLUGAUB5WV/bundle.json","state":"https://pith.science/pith/XOWIAZTGMBJZEO6QLLUGAUB5WV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XOWIAZTGMBJZEO6QLLUGAUB5WV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:XOWIAZTGMBJZEO6QLLUGAUB5WV","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":"1614017e71bef2947aa526ee940eb831a9b668e2fadacaa4d56a7ed9cb7ffbda","cross_cats_sorted":["physics.atom-ph","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-01-17T10:25:47Z","title_canon_sha256":"476846d4dec3e3ed2d9b092b27cf290f4f887bc79fca6305cf4e1fa9a01a3987"},"schema_version":"1.0","source":{"id":"1801.05614","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.05614","created_at":"2026-05-18T00:16:27Z"},{"alias_kind":"arxiv_version","alias_value":"1801.05614v2","created_at":"2026-05-18T00:16:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.05614","created_at":"2026-05-18T00:16:27Z"},{"alias_kind":"pith_short_12","alias_value":"XOWIAZTGMBJZ","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_16","alias_value":"XOWIAZTGMBJZEO6Q","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_8","alias_value":"XOWIAZTG","created_at":"2026-05-18T12:33:01Z"}],"graph_snapshots":[{"event_id":"sha256:945e1cf3ce2229f939ed259f8f216d2bf84e19ae46558df88d4a96ea71c23483","target":"graph","created_at":"2026-05-18T00:16:27Z","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":"Spectroscopic tools are fundamental for the understanding of complex quantum systems. Here we demonstrate high-precision multi-band spectroscopy in a graphene-like lattice using ultracold fermionic atoms. From the measured band structure, we characterize the underlying lattice potential with a relative error of 1.2 10^(-3). Such a precise characterization of complex lattice potentials is an important step towards precision measurements of quantum many-body systems. Furthermore, we explain the excitation strengths into the different bands with a model and experimentally study their dependency o","authors_text":"Benno S. Rem, Christof Weitenberg, Dominik Vogel, Klaus Sengstock, Matthias Tarnowski, Nick Fl\\\"aschner","cross_cats":["physics.atom-ph","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-01-17T10:25:47Z","title":"High-precision multiband spectroscopy of ultracold fermions in a nonseparable optical lattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.05614","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":"sha256:2e60d186c858c218372856cf04e5e347490ee7d2b9da9cbeb62dfcefd11a8cb9","target":"record","created_at":"2026-05-18T00:16:27Z","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":"1614017e71bef2947aa526ee940eb831a9b668e2fadacaa4d56a7ed9cb7ffbda","cross_cats_sorted":["physics.atom-ph","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-01-17T10:25:47Z","title_canon_sha256":"476846d4dec3e3ed2d9b092b27cf290f4f887bc79fca6305cf4e1fa9a01a3987"},"schema_version":"1.0","source":{"id":"1801.05614","kind":"arxiv","version":2}},"canonical_sha256":"bbac8066666053923bd05ae860503db5578b2ad8353bb3fad9f5fa0a57394fe2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bbac8066666053923bd05ae860503db5578b2ad8353bb3fad9f5fa0a57394fe2","first_computed_at":"2026-05-18T00:16:27.054127Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:16:27.054127Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8hiKRaqlm2Hy0TKZJ6L36P9Y4PDrUhGjrQdrMfuYKSETUUekYr7TYtMBcLpg3djLLaSChTZWvUI9E/n9PD3tDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:16:27.054725Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.05614","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2e60d186c858c218372856cf04e5e347490ee7d2b9da9cbeb62dfcefd11a8cb9","sha256:945e1cf3ce2229f939ed259f8f216d2bf84e19ae46558df88d4a96ea71c23483"],"state_sha256":"4b7c14972e65dd15f04e0770f80c3aa042130fca498ac6b764a9a10974c9e8e5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NyBosQxMIwvDwCpj0Hmk8w/NdiKaEckeJa7Nkfhm9c8uNBMcWh3PGKlT+bMqVm6vV3pA/5RZFyCr3pF0Z01/AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T05:15:03.196359Z","bundle_sha256":"ccec3243ab9359cf4674dae78b289afbf39a52b4ea95e87f803813d67031ed91"}}