{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:JFJMDMKVENB23LPBPDYUT2VHHL","short_pith_number":"pith:JFJMDMKV","schema_version":"1.0","canonical_sha256":"4952c1b1552343adade178f149eaa73ac5dccb7a7f53bd2b09237e283e9c8e0e","source":{"kind":"arxiv","id":"1806.05747","version":2},"attestation_state":"computed","paper":{"title":"Probing entanglement entropy via randomized measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.quant-gas"],"primary_cat":"quant-ph","authors_text":"Andreas Elben, Beno\\^it Vermersch, Ben P. Lanyon, Christian F. Roos, Christine Maier, Petar Jurcevic, Peter Zoller, Rainer Blatt, Tiff Brydges","submitted_at":"2018-06-14T21:39:22Z","abstract_excerpt":"Entanglement is the key feature of many-body quantum systems, and the development of new tools to probe it in the laboratory is an outstanding challenge. Measuring the entropy of different partitions of a quantum system provides a way to probe its entanglement structure. Here, we present and experimentally demonstrate a new protocol for measuring entropy, based on statistical correlations between randomized measurements. Our experiments, carried out with a trapped-ion quantum simulator, prove the overall coherent character of the system dynamics and reveal the growth of entanglement between it"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1806.05747","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-06-14T21:39:22Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.quant-gas"],"title_canon_sha256":"6ac32ac150f40c495e4068a9416c123c9dbb1977f7603de39d41d66ab017d6be","abstract_canon_sha256":"5ec6a048d8afec894d7cca1e5c5fc24058631de9ed2f6f276a5c481168a8c4be"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:06.645334Z","signature_b64":"CgvZ6EiMDssswGmZ/hxrmu/Du7qX4Mux1UnDq2XS5V8qYbYmSh2cKUnXovU2LONl/d6SCtOjTsDzpXtiRZmbBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4952c1b1552343adade178f149eaa73ac5dccb7a7f53bd2b09237e283e9c8e0e","last_reissued_at":"2026-05-17T23:48:06.644964Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:06.644964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Probing entanglement entropy via randomized measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.quant-gas"],"primary_cat":"quant-ph","authors_text":"Andreas Elben, Beno\\^it Vermersch, Ben P. Lanyon, Christian F. Roos, Christine Maier, Petar Jurcevic, Peter Zoller, Rainer Blatt, Tiff Brydges","submitted_at":"2018-06-14T21:39:22Z","abstract_excerpt":"Entanglement is the key feature of many-body quantum systems, and the development of new tools to probe it in the laboratory is an outstanding challenge. Measuring the entropy of different partitions of a quantum system provides a way to probe its entanglement structure. Here, we present and experimentally demonstrate a new protocol for measuring entropy, based on statistical correlations between randomized measurements. Our experiments, carried out with a trapped-ion quantum simulator, prove the overall coherent character of the system dynamics and reveal the growth of entanglement between it"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.05747","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1806.05747","created_at":"2026-05-17T23:48:06.645021+00:00"},{"alias_kind":"arxiv_version","alias_value":"1806.05747v2","created_at":"2026-05-17T23:48:06.645021+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.05747","created_at":"2026-05-17T23:48:06.645021+00:00"},{"alias_kind":"pith_short_12","alias_value":"JFJMDMKVENB2","created_at":"2026-05-18T12:32:31.084164+00:00"},{"alias_kind":"pith_short_16","alias_value":"JFJMDMKVENB23LPB","created_at":"2026-05-18T12:32:31.084164+00:00"},{"alias_kind":"pith_short_8","alias_value":"JFJMDMKV","created_at":"2026-05-18T12:32:31.084164+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2509.10700","citing_title":"Stabilizer-Shannon Renyi Equivalence: Exact Results for Quantum Critical Chains","ref_index":26,"is_internal_anchor":true},{"citing_arxiv_id":"2603.23948","citing_title":"Thermalization of SU(2) Lattice Gauge Fields on Quantum Computers","ref_index":126,"is_internal_anchor":true},{"citing_arxiv_id":"2605.08683","citing_title":"High-Precision Variational Quantum SVD via Classical Orthogonality Correction","ref_index":23,"is_internal_anchor":false},{"citing_arxiv_id":"2605.05479","citing_title":"Quantum Simulation of the Real-time Dynamics in the multi-flavor Gross-Neveu Model at the utility scale using Superconducting Quantum Computers","ref_index":52,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/JFJMDMKVENB23LPBPDYUT2VHHL","json":"https://pith.science/pith/JFJMDMKVENB23LPBPDYUT2VHHL.json","graph_json":"https://pith.science/api/pith-number/JFJMDMKVENB23LPBPDYUT2VHHL/graph.json","events_json":"https://pith.science/api/pith-number/JFJMDMKVENB23LPBPDYUT2VHHL/events.json","paper":"https://pith.science/paper/JFJMDMKV"},"agent_actions":{"view_html":"https://pith.science/pith/JFJMDMKVENB23LPBPDYUT2VHHL","download_json":"https://pith.science/pith/JFJMDMKVENB23LPBPDYUT2VHHL.json","view_paper":"https://pith.science/paper/JFJMDMKV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1806.05747&json=true","fetch_graph":"https://pith.science/api/pith-number/JFJMDMKVENB23LPBPDYUT2VHHL/graph.json","fetch_events":"https://pith.science/api/pith-number/JFJMDMKVENB23LPBPDYUT2VHHL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JFJMDMKVENB23LPBPDYUT2VHHL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JFJMDMKVENB23LPBPDYUT2VHHL/action/storage_attestation","attest_author":"https://pith.science/pith/JFJMDMKVENB23LPBPDYUT2VHHL/action/author_attestation","sign_citation":"https://pith.science/pith/JFJMDMKVENB23LPBPDYUT2VHHL/action/citation_signature","submit_replication":"https://pith.science/pith/JFJMDMKVENB23LPBPDYUT2VHHL/action/replication_record"}},"created_at":"2026-05-17T23:48:06.645021+00:00","updated_at":"2026-05-17T23:48:06.645021+00:00"}