{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:3UBB6EC6FIQFB5OLHXOYEUGGFZ","short_pith_number":"pith:3UBB6EC6","canonical_record":{"source":{"id":"1506.00587","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-06-01T17:55:47Z","cross_cats_sorted":[],"title_canon_sha256":"0203477c1e53bd08f9b3fab329933cff84032a6b38c9aa11f135179885a83317","abstract_canon_sha256":"cc160ec2c02ba05fefb8ed5c15ee8b9f56a3daf34456ba15d90d9454d60092a4"},"schema_version":"1.0"},"canonical_sha256":"dd021f105e2a2050f5cb3ddd8250c62e53aaa6b3b22d7660d4f075ae0b01722d","source":{"kind":"arxiv","id":"1506.00587","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.00587","created_at":"2026-05-18T01:25:55Z"},{"alias_kind":"arxiv_version","alias_value":"1506.00587v2","created_at":"2026-05-18T01:25:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.00587","created_at":"2026-05-18T01:25:55Z"},{"alias_kind":"pith_short_12","alias_value":"3UBB6EC6FIQF","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"3UBB6EC6FIQFB5OL","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"3UBB6EC6","created_at":"2026-05-18T12:29:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:3UBB6EC6FIQFB5OLHXOYEUGGFZ","target":"record","payload":{"canonical_record":{"source":{"id":"1506.00587","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-06-01T17:55:47Z","cross_cats_sorted":[],"title_canon_sha256":"0203477c1e53bd08f9b3fab329933cff84032a6b38c9aa11f135179885a83317","abstract_canon_sha256":"cc160ec2c02ba05fefb8ed5c15ee8b9f56a3daf34456ba15d90d9454d60092a4"},"schema_version":"1.0"},"canonical_sha256":"dd021f105e2a2050f5cb3ddd8250c62e53aaa6b3b22d7660d4f075ae0b01722d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:25:55.283188Z","signature_b64":"CiKoYnbwhCXdv6G3i02S6IrN/kAemBr6XUo+eWnu8MobX72EeT2AAJ9qmro8iVWdWvCOTamuAB75kFFozEVUCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd021f105e2a2050f5cb3ddd8250c62e53aaa6b3b22d7660d4f075ae0b01722d","last_reissued_at":"2026-05-18T01:25:55.282493Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:25:55.282493Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.00587","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":"2026-05-18T01:25:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yjIYQmOxKo5ZxZB8h9rflYb3czioxiqqCdCE6Dr215CJpMun/uqe2hjSv7sxgfhBZ9zZbHkpOqwWYgW6BZTlAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:01:00.417027Z"},"content_sha256":"d285096e31287fa76bddef1bb64b7e90656257356289b521884068328cec501c","schema_version":"1.0","event_id":"sha256:d285096e31287fa76bddef1bb64b7e90656257356289b521884068328cec501c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:3UBB6EC6FIQFB5OLHXOYEUGGFZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coherent driving and freezing of bosonic matter wave in an optical Lieb lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Hideki Ozawa, Shintaro Taie, Shuta Nakajima, Takuei Nishio, Tomohiro Ichinose, Yoshiro Takahashi","submitted_at":"2015-06-01T17:55:47Z","abstract_excerpt":"While kinetic energy of a massive particle generally has quadratic dependence on its momentum, a flat, dispersionless energy band is realized in crystals with specific lattice structures. Such macroscopic degeneracy causes the emergence of localized eigenstates and has been a key concept in the context of itinerant ferromagnetism. Here we report the realization of a \"Lieb lattice\" configuration with an optical lattice, which has a flat energy band as the first excited state. Our optical lattice potential possesses various degrees of freedom about its manipulation, which enables coherent transf"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.00587","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":"2026-05-18T01:25:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BExAQaFF/HXfkQXU5h6TgJFvdI24dSKZ5pz4Mj8Yz9OUyyzeYmIOrdpqsb0lVDyNpwcQHDWKL1XFKPD+BEsQAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:01:00.417733Z"},"content_sha256":"d79b5b74eb673c6f38b96822cd8bd2c7eb9d00a5d723ec3666e0fa5c324027c8","schema_version":"1.0","event_id":"sha256:d79b5b74eb673c6f38b96822cd8bd2c7eb9d00a5d723ec3666e0fa5c324027c8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3UBB6EC6FIQFB5OLHXOYEUGGFZ/bundle.json","state_url":"https://pith.science/pith/3UBB6EC6FIQFB5OLHXOYEUGGFZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3UBB6EC6FIQFB5OLHXOYEUGGFZ/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":"2026-05-25T22:01:00Z","links":{"resolver":"https://pith.science/pith/3UBB6EC6FIQFB5OLHXOYEUGGFZ","bundle":"https://pith.science/pith/3UBB6EC6FIQFB5OLHXOYEUGGFZ/bundle.json","state":"https://pith.science/pith/3UBB6EC6FIQFB5OLHXOYEUGGFZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3UBB6EC6FIQFB5OLHXOYEUGGFZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:3UBB6EC6FIQFB5OLHXOYEUGGFZ","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":"cc160ec2c02ba05fefb8ed5c15ee8b9f56a3daf34456ba15d90d9454d60092a4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-06-01T17:55:47Z","title_canon_sha256":"0203477c1e53bd08f9b3fab329933cff84032a6b38c9aa11f135179885a83317"},"schema_version":"1.0","source":{"id":"1506.00587","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.00587","created_at":"2026-05-18T01:25:55Z"},{"alias_kind":"arxiv_version","alias_value":"1506.00587v2","created_at":"2026-05-18T01:25:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.00587","created_at":"2026-05-18T01:25:55Z"},{"alias_kind":"pith_short_12","alias_value":"3UBB6EC6FIQF","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"3UBB6EC6FIQFB5OL","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"3UBB6EC6","created_at":"2026-05-18T12:29:02Z"}],"graph_snapshots":[{"event_id":"sha256:d79b5b74eb673c6f38b96822cd8bd2c7eb9d00a5d723ec3666e0fa5c324027c8","target":"graph","created_at":"2026-05-18T01:25:55Z","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":"While kinetic energy of a massive particle generally has quadratic dependence on its momentum, a flat, dispersionless energy band is realized in crystals with specific lattice structures. Such macroscopic degeneracy causes the emergence of localized eigenstates and has been a key concept in the context of itinerant ferromagnetism. Here we report the realization of a \"Lieb lattice\" configuration with an optical lattice, which has a flat energy band as the first excited state. Our optical lattice potential possesses various degrees of freedom about its manipulation, which enables coherent transf","authors_text":"Hideki Ozawa, Shintaro Taie, Shuta Nakajima, Takuei Nishio, Tomohiro Ichinose, Yoshiro Takahashi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-06-01T17:55:47Z","title":"Coherent driving and freezing of bosonic matter wave in an optical Lieb lattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.00587","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:d285096e31287fa76bddef1bb64b7e90656257356289b521884068328cec501c","target":"record","created_at":"2026-05-18T01:25:55Z","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":"cc160ec2c02ba05fefb8ed5c15ee8b9f56a3daf34456ba15d90d9454d60092a4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-06-01T17:55:47Z","title_canon_sha256":"0203477c1e53bd08f9b3fab329933cff84032a6b38c9aa11f135179885a83317"},"schema_version":"1.0","source":{"id":"1506.00587","kind":"arxiv","version":2}},"canonical_sha256":"dd021f105e2a2050f5cb3ddd8250c62e53aaa6b3b22d7660d4f075ae0b01722d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd021f105e2a2050f5cb3ddd8250c62e53aaa6b3b22d7660d4f075ae0b01722d","first_computed_at":"2026-05-18T01:25:55.282493Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:25:55.282493Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CiKoYnbwhCXdv6G3i02S6IrN/kAemBr6XUo+eWnu8MobX72EeT2AAJ9qmro8iVWdWvCOTamuAB75kFFozEVUCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:25:55.283188Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.00587","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d285096e31287fa76bddef1bb64b7e90656257356289b521884068328cec501c","sha256:d79b5b74eb673c6f38b96822cd8bd2c7eb9d00a5d723ec3666e0fa5c324027c8"],"state_sha256":"5bd1bf1f6f9e37113ea96a7797314362c9378b50407ad795e2ff1b3030408509"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nbyv7btoxN0N9t6mbNLBs5T+XRiboWpdi4PfH2thBCm3Zif72Ej4whfdIOxkJ/xqKOrV5IGJIoa/dfGHFHIwDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:01:00.421482Z","bundle_sha256":"db054d6734abf139d0b79d9888e9571b28b967c12d46ca5de3e9fcd27df545de"}}