{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:5QZ3DIPOMEI2NRATKTT4F5TSA3","short_pith_number":"pith:5QZ3DIPO","schema_version":"1.0","canonical_sha256":"ec33b1a1ee6111a6c41354e7c2f67206f9186af180ea1f0768211196f14efc97","source":{"kind":"arxiv","id":"1804.05226","version":1},"attestation_state":"computed","paper":{"title":"Adaptive quantum tomography of high-dimensional bipartite systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Egor Kovlakov, Gleb Struchalin, Sergei Kulik, Stanislav Straupe","submitted_at":"2018-04-14T14:10:50Z","abstract_excerpt":"Adaptive measurements have recently been shown to significantly improve the performance of quantum state and process tomography. However, the existing methods either cannot be straightforwardly applied to high-dimensional systems or are prohibitively computationally expensive. Here we propose and experimentally implement a novel tomographic protocol specially designed for the reconstruction of high-dimensional quantum states. The protocol shows qualitative improvement in infidelity scaling with the number of measurements and is fast enough to allow for complete state tomography of states with "},"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":"1804.05226","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-04-14T14:10:50Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"f1467ea1ac1323719f617e0bba3480c8ab4dfdf93b21c355270ef3f66b5c8e75","abstract_canon_sha256":"3d786ea0204aa9375a7525f4f2adcfbdb72b9bd3c23aba48007ba3cc877fa4d5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:30.100288Z","signature_b64":"SoMi5unqDU4KaXYihMhZ/jHt2f2qDzb1gA2/zLyU7/H6SReBXjxwuSbFIvJiOK+7Hm7F0VDgqiQw1TgZ+Vd6Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec33b1a1ee6111a6c41354e7c2f67206f9186af180ea1f0768211196f14efc97","last_reissued_at":"2026-05-18T00:04:30.099687Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:30.099687Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Adaptive quantum tomography of high-dimensional bipartite systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Egor Kovlakov, Gleb Struchalin, Sergei Kulik, Stanislav Straupe","submitted_at":"2018-04-14T14:10:50Z","abstract_excerpt":"Adaptive measurements have recently been shown to significantly improve the performance of quantum state and process tomography. However, the existing methods either cannot be straightforwardly applied to high-dimensional systems or are prohibitively computationally expensive. Here we propose and experimentally implement a novel tomographic protocol specially designed for the reconstruction of high-dimensional quantum states. The protocol shows qualitative improvement in infidelity scaling with the number of measurements and is fast enough to allow for complete state tomography of states with "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.05226","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":""},"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":"1804.05226","created_at":"2026-05-18T00:04:30.099783+00:00"},{"alias_kind":"arxiv_version","alias_value":"1804.05226v1","created_at":"2026-05-18T00:04:30.099783+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.05226","created_at":"2026-05-18T00:04:30.099783+00:00"},{"alias_kind":"pith_short_12","alias_value":"5QZ3DIPOMEI2","created_at":"2026-05-18T12:32:08.215937+00:00"},{"alias_kind":"pith_short_16","alias_value":"5QZ3DIPOMEI2NRAT","created_at":"2026-05-18T12:32:08.215937+00:00"},{"alias_kind":"pith_short_8","alias_value":"5QZ3DIPO","created_at":"2026-05-18T12:32:08.215937+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/5QZ3DIPOMEI2NRATKTT4F5TSA3","json":"https://pith.science/pith/5QZ3DIPOMEI2NRATKTT4F5TSA3.json","graph_json":"https://pith.science/api/pith-number/5QZ3DIPOMEI2NRATKTT4F5TSA3/graph.json","events_json":"https://pith.science/api/pith-number/5QZ3DIPOMEI2NRATKTT4F5TSA3/events.json","paper":"https://pith.science/paper/5QZ3DIPO"},"agent_actions":{"view_html":"https://pith.science/pith/5QZ3DIPOMEI2NRATKTT4F5TSA3","download_json":"https://pith.science/pith/5QZ3DIPOMEI2NRATKTT4F5TSA3.json","view_paper":"https://pith.science/paper/5QZ3DIPO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1804.05226&json=true","fetch_graph":"https://pith.science/api/pith-number/5QZ3DIPOMEI2NRATKTT4F5TSA3/graph.json","fetch_events":"https://pith.science/api/pith-number/5QZ3DIPOMEI2NRATKTT4F5TSA3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5QZ3DIPOMEI2NRATKTT4F5TSA3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5QZ3DIPOMEI2NRATKTT4F5TSA3/action/storage_attestation","attest_author":"https://pith.science/pith/5QZ3DIPOMEI2NRATKTT4F5TSA3/action/author_attestation","sign_citation":"https://pith.science/pith/5QZ3DIPOMEI2NRATKTT4F5TSA3/action/citation_signature","submit_replication":"https://pith.science/pith/5QZ3DIPOMEI2NRATKTT4F5TSA3/action/replication_record"}},"created_at":"2026-05-18T00:04:30.099783+00:00","updated_at":"2026-05-18T00:04:30.099783+00:00"}