{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:6GUAIPW4CSRXZRNL2KRH2ZFNEX","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":"f4701704e514eaafffddb81e71936a38ec9a366ce2761ff1a5eade7aa445f32a","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-01-07T17:04:16Z","title_canon_sha256":"f5720a8a022f93a55251312ecc08550e4da8a103fc34b1b642e24a13ee5abbb2"},"schema_version":"1.0","source":{"id":"2001.02176","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.02176","created_at":"2026-07-05T01:31:57Z"},{"alias_kind":"arxiv_version","alias_value":"2001.02176v2","created_at":"2026-07-05T01:31:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.02176","created_at":"2026-07-05T01:31:57Z"},{"alias_kind":"pith_short_12","alias_value":"6GUAIPW4CSRX","created_at":"2026-07-05T01:31:57Z"},{"alias_kind":"pith_short_16","alias_value":"6GUAIPW4CSRXZRNL","created_at":"2026-07-05T01:31:57Z"},{"alias_kind":"pith_short_8","alias_value":"6GUAIPW4","created_at":"2026-07-05T01:31:57Z"}],"graph_snapshots":[{"event_id":"sha256:0eab5fbf1de392511411cfff9b87c6dd078b0e17eff09c29a16c164791236d63","target":"graph","created_at":"2026-07-05T01:31:57Z","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/2001.02176/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In ergodic many-body quantum systems, locally encoded quantum information becomes, in the course of time evolution, inaccessible to local measurements. This concept of \"scrambling\" is currently of intense research interest, entailing a deep understanding of many-body dynamics such as the processes of chaos and thermalization. Here, we present first experimental demonstrations of quantum information scrambling on a 10-qubit trapped-ion quantum simulator representing a tunable long-range interacting spin system, by estimating out-of-time ordered correlators (OTOCs) through randomized measurement","authors_text":"Andreas Elben, Beno\\^it Vermersch, Christian F. Roos, Christine Maier, Manoj K. Joshi, Peter Zoller, Rainer Blatt, Tiff Brydges","cross_cats":["cond-mat.dis-nn","cond-mat.quant-gas"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-01-07T17:04:16Z","title":"Quantum information scrambling in a trapped-ion quantum simulator with tunable range interactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.02176","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:dc20a5dfe3a91bb2e63b976a383ad05e4274fad347ff6d5c53ff5b67041b74ea","target":"record","created_at":"2026-07-05T01:31:57Z","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":"f4701704e514eaafffddb81e71936a38ec9a366ce2761ff1a5eade7aa445f32a","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-01-07T17:04:16Z","title_canon_sha256":"f5720a8a022f93a55251312ecc08550e4da8a103fc34b1b642e24a13ee5abbb2"},"schema_version":"1.0","source":{"id":"2001.02176","kind":"arxiv","version":2}},"canonical_sha256":"f1a8043edc14a37cc5abd2a27d64ad25d845f0fab1821116124edef4bc53cf21","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f1a8043edc14a37cc5abd2a27d64ad25d845f0fab1821116124edef4bc53cf21","first_computed_at":"2026-07-05T01:31:57.769380Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:31:57.769380Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"w8L8J5wg1X+wO0R5QkNFRvcqIeHl4d8mJpNDpr1HfryEQRGmYpM51eDEWv8NjulfZ8bVtSmr6p+60Zvpz5qhBg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:31:57.769805Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.02176","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc20a5dfe3a91bb2e63b976a383ad05e4274fad347ff6d5c53ff5b67041b74ea","sha256:0eab5fbf1de392511411cfff9b87c6dd078b0e17eff09c29a16c164791236d63"],"state_sha256":"e8d997b6213d62d7524fc4bc2f5a10ae9c34c682f3dfcc1de24794da080ddfd6"}