{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:HNLOVGEXEYVM4DJWFK224XCHFR","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":"9a3edfe6ef3aa221321793a6208a024995eb9ccf9464a6b87acef380c277d050","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-11T15:49:44Z","title_canon_sha256":"f6747f380fbcf71a0e1dc138734cfa8abc28eb539d8e125f23f44862b0a84560"},"schema_version":"1.0","source":{"id":"2606.13499","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.13499","created_at":"2026-06-12T01:10:07Z"},{"alias_kind":"arxiv_version","alias_value":"2606.13499v1","created_at":"2026-06-12T01:10:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.13499","created_at":"2026-06-12T01:10:07Z"},{"alias_kind":"pith_short_12","alias_value":"HNLOVGEXEYVM","created_at":"2026-06-12T01:10:07Z"},{"alias_kind":"pith_short_16","alias_value":"HNLOVGEXEYVM4DJW","created_at":"2026-06-12T01:10:07Z"},{"alias_kind":"pith_short_8","alias_value":"HNLOVGEX","created_at":"2026-06-12T01:10:07Z"}],"graph_snapshots":[{"event_id":"sha256:4feb13e094e216ca36ac0a5757fdbf900fe2d7aef6f4cc630e133b970cbe440a","target":"graph","created_at":"2026-06-12T01:10:07Z","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/2606.13499/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Non-Gaussian evolution of high-order spin correlations characterizes important properties of quantum many-body systems. In practice, decoherence, statistical fluctuation and miscalibration of experimental parameters all hinder the witness of non-Gaussian dynamics. Here we demonstrate the crossover between Gaussian and non-Gaussian dynamics on a two-dimensional XY model with long-range and spatially structured interaction using a trapped ion quantum simulator. We prepare different initial densities of magnon excitations and verify the dynamics of single-spin observables for the engineered Hamil","authors_text":"B.-X. Qi, H.-J. Chen, H.-Y. Hu, J. Ye, J.-Y. Tan, L. He, L.-M. Duan, L. Zhang, S.-A. Guo, W.-X. Guo, Y. Jiang, Y.-K. Wu, Y.-X. Chen, Z.-C. Zhou","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-11T15:49:44Z","title":"Observation of Non-Gaussian Magnon Dynamics in a Two-Dimensional Long-Range XY Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.13499","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:ebc566b0c2bbd412ac66cb133fa83a10f2d218d2890201a5e82ab16e57769b30","target":"record","created_at":"2026-06-12T01:10:07Z","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":"9a3edfe6ef3aa221321793a6208a024995eb9ccf9464a6b87acef380c277d050","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-11T15:49:44Z","title_canon_sha256":"f6747f380fbcf71a0e1dc138734cfa8abc28eb539d8e125f23f44862b0a84560"},"schema_version":"1.0","source":{"id":"2606.13499","kind":"arxiv","version":1}},"canonical_sha256":"3b56ea9897262ace0d362ab5ae5c472c5503fe48f15e7fa715c10492597f7de5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3b56ea9897262ace0d362ab5ae5c472c5503fe48f15e7fa715c10492597f7de5","first_computed_at":"2026-06-12T01:10:07.005261Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-12T01:10:07.005261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5lpK+gv6WhgtOro6uxpHS9HFcsJ12w1YV23wErvc/IlcpQv4U7hGeewZY/ZJylyTQRkkxhZ/6rzq0Nrv1nvhBA==","signature_status":"signed_v1","signed_at":"2026-06-12T01:10:07.006035Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.13499","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ebc566b0c2bbd412ac66cb133fa83a10f2d218d2890201a5e82ab16e57769b30","sha256:4feb13e094e216ca36ac0a5757fdbf900fe2d7aef6f4cc630e133b970cbe440a"],"state_sha256":"f6664dcd2e02d97cbdfd2e4f577479da3bbe41050da0e04afa2f29e19d3a285d"}