{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:D6J5JJQZV7SFSWSV37RCD53I7S","short_pith_number":"pith:D6J5JJQZ","canonical_record":{"source":{"id":"1505.05652","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-05-21T09:16:09Z","cross_cats_sorted":["cond-mat.quant-gas","physics.optics"],"title_canon_sha256":"f262d31606b38b87953474b9777bc43e9971173d4ce0eda3e13e2833264ceb32","abstract_canon_sha256":"d2bd45a07cc831f0d27548a7b5ecfda6328e60a3534fa5ec48c3cf99165f2bcd"},"schema_version":"1.0"},"canonical_sha256":"1f93d4a619afe4595a55dfe221f768fcb09aa99e6e48eecf9b31aabdd650ab6d","source":{"kind":"arxiv","id":"1505.05652","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.05652","created_at":"2026-05-18T01:20:29Z"},{"alias_kind":"arxiv_version","alias_value":"1505.05652v3","created_at":"2026-05-18T01:20:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.05652","created_at":"2026-05-18T01:20:29Z"},{"alias_kind":"pith_short_12","alias_value":"D6J5JJQZV7SF","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"D6J5JJQZV7SFSWSV","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"D6J5JJQZ","created_at":"2026-05-18T12:29:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:D6J5JJQZV7SFSWSV37RCD53I7S","target":"record","payload":{"canonical_record":{"source":{"id":"1505.05652","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-05-21T09:16:09Z","cross_cats_sorted":["cond-mat.quant-gas","physics.optics"],"title_canon_sha256":"f262d31606b38b87953474b9777bc43e9971173d4ce0eda3e13e2833264ceb32","abstract_canon_sha256":"d2bd45a07cc831f0d27548a7b5ecfda6328e60a3534fa5ec48c3cf99165f2bcd"},"schema_version":"1.0"},"canonical_sha256":"1f93d4a619afe4595a55dfe221f768fcb09aa99e6e48eecf9b31aabdd650ab6d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:29.550656Z","signature_b64":"wDq0AYbTlLFvjA4B7gf0wPB/534Cc+ZSufOUhjo9l20CNChbtestYu4IudhfIvcXZYY4Vn/KEKkjjs67QCxbBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f93d4a619afe4595a55dfe221f768fcb09aa99e6e48eecf9b31aabdd650ab6d","last_reissued_at":"2026-05-18T01:20:29.549938Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:29.549938Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.05652","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:20:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jwYhhWm/+yriluN6GIra/am+5PVCvTi9+1wNai0EUxzkDYm0/AbryClj8GGWvfuRwgbhGS9102fAQ1/ZoSP4Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:47:47.162642Z"},"content_sha256":"590e309c1e31188e05b0f95e8f1cd7ef48356849c15b9328b588f8c380522e94","schema_version":"1.0","event_id":"sha256:590e309c1e31188e05b0f95e8f1cd7ef48356849c15b9328b588f8c380522e94"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:D6J5JJQZV7SFSWSV37RCD53I7S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bosonic Condensation and Disorder-Induced Localization in a Flat Band","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Amo, A. Lema\\^itre, F. Baboux, H. E. T\\\"ureci, I. Sagnes, J. Bloch, L. Ge, L. Le Gratiet, M. Biondi, S. Schmidt, T. Jacqmin","submitted_at":"2015-05-21T09:16:09Z","abstract_excerpt":"We report on the engineering of a non-dispersive (flat) energy band in a geometrically frustrated lattice of micro-pillar optical cavities. By taking advantage of the non-hermitian nature of our system, we achieve bosonic condensation of exciton-polaritons into the flat band. Due to the infinite effective mass in such band, the condensate is highly sensitive to disorder and fragments into localized modes reflecting the elementary eigenstates produced by geometric frustration. This realization offers a novel approach to studying coherent phases of light and matter under the controlled interplay"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.05652","kind":"arxiv","version":3},"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":"2026-05-18T01:20:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/1suoB2PaEiNBxVdvV+nj0w475FmX9IXtgmsgT8YqXe36iTQ6cV92WZo842igIfjm/hhKUt3T1eGYPQfWEkADw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:47:47.163346Z"},"content_sha256":"806466c639ade25ec15f66a101d5f1e5d8e72cd88856c4051cb51d31b95a4377","schema_version":"1.0","event_id":"sha256:806466c639ade25ec15f66a101d5f1e5d8e72cd88856c4051cb51d31b95a4377"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D6J5JJQZV7SFSWSV37RCD53I7S/bundle.json","state_url":"https://pith.science/pith/D6J5JJQZV7SFSWSV37RCD53I7S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D6J5JJQZV7SFSWSV37RCD53I7S/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":"2026-05-26T09:47:47Z","links":{"resolver":"https://pith.science/pith/D6J5JJQZV7SFSWSV37RCD53I7S","bundle":"https://pith.science/pith/D6J5JJQZV7SFSWSV37RCD53I7S/bundle.json","state":"https://pith.science/pith/D6J5JJQZV7SFSWSV37RCD53I7S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D6J5JJQZV7SFSWSV37RCD53I7S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:D6J5JJQZV7SFSWSV37RCD53I7S","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":"d2bd45a07cc831f0d27548a7b5ecfda6328e60a3534fa5ec48c3cf99165f2bcd","cross_cats_sorted":["cond-mat.quant-gas","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-05-21T09:16:09Z","title_canon_sha256":"f262d31606b38b87953474b9777bc43e9971173d4ce0eda3e13e2833264ceb32"},"schema_version":"1.0","source":{"id":"1505.05652","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.05652","created_at":"2026-05-18T01:20:29Z"},{"alias_kind":"arxiv_version","alias_value":"1505.05652v3","created_at":"2026-05-18T01:20:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.05652","created_at":"2026-05-18T01:20:29Z"},{"alias_kind":"pith_short_12","alias_value":"D6J5JJQZV7SF","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"D6J5JJQZV7SFSWSV","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"D6J5JJQZ","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:806466c639ade25ec15f66a101d5f1e5d8e72cd88856c4051cb51d31b95a4377","target":"graph","created_at":"2026-05-18T01:20:29Z","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 report on the engineering of a non-dispersive (flat) energy band in a geometrically frustrated lattice of micro-pillar optical cavities. By taking advantage of the non-hermitian nature of our system, we achieve bosonic condensation of exciton-polaritons into the flat band. Due to the infinite effective mass in such band, the condensate is highly sensitive to disorder and fragments into localized modes reflecting the elementary eigenstates produced by geometric frustration. This realization offers a novel approach to studying coherent phases of light and matter under the controlled interplay","authors_text":"A. Amo, A. Lema\\^itre, F. Baboux, H. E. T\\\"ureci, I. Sagnes, J. Bloch, L. Ge, L. Le Gratiet, M. Biondi, S. Schmidt, T. Jacqmin","cross_cats":["cond-mat.quant-gas","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-05-21T09:16:09Z","title":"Bosonic Condensation and Disorder-Induced Localization in a Flat Band"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.05652","kind":"arxiv","version":3},"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":"sha256:590e309c1e31188e05b0f95e8f1cd7ef48356849c15b9328b588f8c380522e94","target":"record","created_at":"2026-05-18T01:20:29Z","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":"d2bd45a07cc831f0d27548a7b5ecfda6328e60a3534fa5ec48c3cf99165f2bcd","cross_cats_sorted":["cond-mat.quant-gas","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-05-21T09:16:09Z","title_canon_sha256":"f262d31606b38b87953474b9777bc43e9971173d4ce0eda3e13e2833264ceb32"},"schema_version":"1.0","source":{"id":"1505.05652","kind":"arxiv","version":3}},"canonical_sha256":"1f93d4a619afe4595a55dfe221f768fcb09aa99e6e48eecf9b31aabdd650ab6d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1f93d4a619afe4595a55dfe221f768fcb09aa99e6e48eecf9b31aabdd650ab6d","first_computed_at":"2026-05-18T01:20:29.549938Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:29.549938Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wDq0AYbTlLFvjA4B7gf0wPB/534Cc+ZSufOUhjo9l20CNChbtestYu4IudhfIvcXZYY4Vn/KEKkjjs67QCxbBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:29.550656Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.05652","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:590e309c1e31188e05b0f95e8f1cd7ef48356849c15b9328b588f8c380522e94","sha256:806466c639ade25ec15f66a101d5f1e5d8e72cd88856c4051cb51d31b95a4377"],"state_sha256":"d83668abc8d41d5f3b85a867c60caad6f6461b82d9032e783f49e9f1d8b7902c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9XFOXxzlqwfpHJJOUdYmP1exEe7pHrhJLNldQj7nxUTJxElCtShed/sVc9aoCz6fqbiaNA1Pj6lnztytPkmQCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T09:47:47.167248Z","bundle_sha256":"871dc9dfd4aabaec5437ac349ff846f865eb7214bb78baf7adf29538f53415b4"}}