{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:UEZJHPU53FBEIAAFBPNLGQA7LC","short_pith_number":"pith:UEZJHPU5","canonical_record":{"source":{"id":"2504.13830","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2025-04-18T17:56:28Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"f21de1bc0be12ea67c6bbc864a0ab30e33708dc8b9aece00e136ed6bf444b73e","abstract_canon_sha256":"6a8b466eefc6d7fec5d0721007a7d371a623e976b12adcccba7c1b3708550398"},"schema_version":"1.0"},"canonical_sha256":"a13293be9dd9424400050bdab3401f58865b0e2e2045e08cfacc5b8e06be61a6","source":{"kind":"arxiv","id":"2504.13830","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.13830","created_at":"2026-07-05T10:51:02Z"},{"alias_kind":"arxiv_version","alias_value":"2504.13830v1","created_at":"2026-07-05T10:51:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.13830","created_at":"2026-07-05T10:51:02Z"},{"alias_kind":"pith_short_12","alias_value":"UEZJHPU53FBE","created_at":"2026-07-05T10:51:02Z"},{"alias_kind":"pith_short_16","alias_value":"UEZJHPU53FBEIAAF","created_at":"2026-07-05T10:51:02Z"},{"alias_kind":"pith_short_8","alias_value":"UEZJHPU5","created_at":"2026-07-05T10:51:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:UEZJHPU53FBEIAAFBPNLGQA7LC","target":"record","payload":{"canonical_record":{"source":{"id":"2504.13830","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2025-04-18T17:56:28Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"f21de1bc0be12ea67c6bbc864a0ab30e33708dc8b9aece00e136ed6bf444b73e","abstract_canon_sha256":"6a8b466eefc6d7fec5d0721007a7d371a623e976b12adcccba7c1b3708550398"},"schema_version":"1.0"},"canonical_sha256":"a13293be9dd9424400050bdab3401f58865b0e2e2045e08cfacc5b8e06be61a6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:51:02.683453Z","signature_b64":"fFjoHQp3IGHl/Llsxf/TD+jhwAC80++RuWvQdKrd2t6cPz4/1+trLrWetSbOTfNrYJ7antI8wX1hFXEzk7wdDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a13293be9dd9424400050bdab3401f58865b0e2e2045e08cfacc5b8e06be61a6","last_reissued_at":"2026-07-05T10:51:02.682924Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:51:02.682924Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.13830","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":"2026-07-05T10:51:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AXKBv5G4suAuH+gNNPpfTG4xwKMHAX2jwkxlxAvWquJYoss4nTIC5O0Vcgg+cIbgDlpRpyz151CEt/k9mvC7Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-25T19:00:34.578467Z"},"content_sha256":"fd6c84df97093cc801da8ce5a03e8bf28c81e7d11f5e9ecc4f2f55581107e71d","schema_version":"1.0","event_id":"sha256:fd6c84df97093cc801da8ce5a03e8bf28c81e7d11f5e9ecc4f2f55581107e71d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:UEZJHPU53FBEIAAFBPNLGQA7LC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonlocal Coherent Optical Nonlinearities of a Macroscopic Quantum System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.optics","authors_text":"Albert Liu, Eric W. Martin, Hui Deng, Jiaqi Hu, Steven T. Cundiff, Zhaorong Wang","submitted_at":"2025-04-18T17:56:28Z","abstract_excerpt":"The optical responses of solids are typically understood to be local in space. Whether locality holds for the optical response of a macroscopic quantum system has, however, been largely unexplored. Here, we use multidimensional coherent spectroscopy at the optical diffraction limit to demonstrate nonlocal optical nonlinearities in a semiconductor microcavity. These nonlocal optical responses are both coherent and quantum in nature, deriving from the macroscopic length scale of confined exciton-polariton wavefunctions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.13830","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2504.13830/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:51:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mbZ+mETtKklCF+j4LIU8FZNY1HMS+a5XomwChgqiZGAe6W1KwxhOF8ZjfZaIi0juOKaPImUzfLbgpmxmDo1nAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-25T19:00:34.578845Z"},"content_sha256":"418ca173eaf1cedc85ff0f8c6af50f2202fc9e12da509f6b79658be7598cba3c","schema_version":"1.0","event_id":"sha256:418ca173eaf1cedc85ff0f8c6af50f2202fc9e12da509f6b79658be7598cba3c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UEZJHPU53FBEIAAFBPNLGQA7LC/bundle.json","state_url":"https://pith.science/pith/UEZJHPU53FBEIAAFBPNLGQA7LC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UEZJHPU53FBEIAAFBPNLGQA7LC/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":"2026-07-25T19:00:34Z","links":{"resolver":"https://pith.science/pith/UEZJHPU53FBEIAAFBPNLGQA7LC","bundle":"https://pith.science/pith/UEZJHPU53FBEIAAFBPNLGQA7LC/bundle.json","state":"https://pith.science/pith/UEZJHPU53FBEIAAFBPNLGQA7LC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UEZJHPU53FBEIAAFBPNLGQA7LC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:UEZJHPU53FBEIAAFBPNLGQA7LC","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":"6a8b466eefc6d7fec5d0721007a7d371a623e976b12adcccba7c1b3708550398","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2025-04-18T17:56:28Z","title_canon_sha256":"f21de1bc0be12ea67c6bbc864a0ab30e33708dc8b9aece00e136ed6bf444b73e"},"schema_version":"1.0","source":{"id":"2504.13830","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.13830","created_at":"2026-07-05T10:51:02Z"},{"alias_kind":"arxiv_version","alias_value":"2504.13830v1","created_at":"2026-07-05T10:51:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.13830","created_at":"2026-07-05T10:51:02Z"},{"alias_kind":"pith_short_12","alias_value":"UEZJHPU53FBE","created_at":"2026-07-05T10:51:02Z"},{"alias_kind":"pith_short_16","alias_value":"UEZJHPU53FBEIAAF","created_at":"2026-07-05T10:51:02Z"},{"alias_kind":"pith_short_8","alias_value":"UEZJHPU5","created_at":"2026-07-05T10:51:02Z"}],"graph_snapshots":[{"event_id":"sha256:418ca173eaf1cedc85ff0f8c6af50f2202fc9e12da509f6b79658be7598cba3c","target":"graph","created_at":"2026-07-05T10:51:02Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2504.13830/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The optical responses of solids are typically understood to be local in space. Whether locality holds for the optical response of a macroscopic quantum system has, however, been largely unexplored. Here, we use multidimensional coherent spectroscopy at the optical diffraction limit to demonstrate nonlocal optical nonlinearities in a semiconductor microcavity. These nonlocal optical responses are both coherent and quantum in nature, deriving from the macroscopic length scale of confined exciton-polariton wavefunctions.","authors_text":"Albert Liu, Eric W. Martin, Hui Deng, Jiaqi Hu, Steven T. Cundiff, Zhaorong Wang","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2025-04-18T17:56:28Z","title":"Nonlocal Coherent Optical Nonlinearities of a Macroscopic Quantum System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.13830","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:fd6c84df97093cc801da8ce5a03e8bf28c81e7d11f5e9ecc4f2f55581107e71d","target":"record","created_at":"2026-07-05T10:51:02Z","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":"6a8b466eefc6d7fec5d0721007a7d371a623e976b12adcccba7c1b3708550398","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2025-04-18T17:56:28Z","title_canon_sha256":"f21de1bc0be12ea67c6bbc864a0ab30e33708dc8b9aece00e136ed6bf444b73e"},"schema_version":"1.0","source":{"id":"2504.13830","kind":"arxiv","version":1}},"canonical_sha256":"a13293be9dd9424400050bdab3401f58865b0e2e2045e08cfacc5b8e06be61a6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a13293be9dd9424400050bdab3401f58865b0e2e2045e08cfacc5b8e06be61a6","first_computed_at":"2026-07-05T10:51:02.682924Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:51:02.682924Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fFjoHQp3IGHl/Llsxf/TD+jhwAC80++RuWvQdKrd2t6cPz4/1+trLrWetSbOTfNrYJ7antI8wX1hFXEzk7wdDA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:51:02.683453Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.13830","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fd6c84df97093cc801da8ce5a03e8bf28c81e7d11f5e9ecc4f2f55581107e71d","sha256:418ca173eaf1cedc85ff0f8c6af50f2202fc9e12da509f6b79658be7598cba3c"],"state_sha256":"0eb026853721b33163601cec6e4ded5923c209d32db51c11051f8e399d20d646"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VJNvVTBQEVUp+GPjlGUwtMRrGkwSQQ3e83zZAL4TsjiFBf/wZltu3scN/FaOHahSxej+Y08XxeAA2PRlGOrpAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-25T19:00:34.580936Z","bundle_sha256":"4097beafb2253abd375129894bd0b7839a0fd2aae16a495487be7bc69b4adc55"}}