{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:ZBD4QVDBDKIGAEM5J3A2REJK6D","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":"225da07de49075e45f9b763b34629c9e37c6ac917a3116363157b8c099a85109","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OA","submitted_at":"2016-05-01T22:34:12Z","title_canon_sha256":"8193091c958ea0edd16aa9de0b594b91c0213b73321648efd3255a25f09173f6"},"schema_version":"1.0","source":{"id":"1605.00315","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.00315","created_at":"2026-05-18T00:48:32Z"},{"alias_kind":"arxiv_version","alias_value":"1605.00315v2","created_at":"2026-05-18T00:48:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.00315","created_at":"2026-05-18T00:48:32Z"},{"alias_kind":"pith_short_12","alias_value":"ZBD4QVDBDKIG","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"ZBD4QVDBDKIGAEM5","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"ZBD4QVDB","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:cb5491a11298e8f7c093bd38bbed730cd2aadd6fa144a4623a94ce0133f3e2bf","target":"graph","created_at":"2026-05-18T00:48:32Z","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"},"paper":{"abstract_excerpt":"We introduce a notion of universal preparability for a state of a system, more precisely: for a normal state on a von Neumann algebra. It describes a situation where from an arbitrary initial state it is possible to prepare a target state with arbitrary precision by a repeated interaction with a sequence of copies of another system. For $\\mathcal{B}(\\mathcal{H})$ we give criteria sufficient to ensure that all normal states are universally preparable which can be verified for a class of non-commutative birth and death processes realized, in particular, by the interaction of a micromaser with a ","authors_text":"Burkhard K\\\"ummerer, Florian Haag, Rolf Gohm","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OA","submitted_at":"2016-05-01T22:34:12Z","title":"Universal Preparability of States and Asymptotic Completeness"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.00315","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:ff7aa48226d5058a80e12fc879bf7b6de2816eee5dd9b20ed56339cd4b36080b","target":"record","created_at":"2026-05-18T00:48:32Z","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":"225da07de49075e45f9b763b34629c9e37c6ac917a3116363157b8c099a85109","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OA","submitted_at":"2016-05-01T22:34:12Z","title_canon_sha256":"8193091c958ea0edd16aa9de0b594b91c0213b73321648efd3255a25f09173f6"},"schema_version":"1.0","source":{"id":"1605.00315","kind":"arxiv","version":2}},"canonical_sha256":"c847c854611a9060119d4ec1a8912af0c4c7a418c746f92fa334035107cb70ad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c847c854611a9060119d4ec1a8912af0c4c7a418c746f92fa334035107cb70ad","first_computed_at":"2026-05-18T00:48:32.941565Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:32.941565Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KIKlGsIvPlIpADWH7Uy1mTfoepGpzd3Rh1XIIedNTX7gK82UXWKUIrkPyExSjolDxr+SUr+40DHQHU8aIqggCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:32.942215Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.00315","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff7aa48226d5058a80e12fc879bf7b6de2816eee5dd9b20ed56339cd4b36080b","sha256:cb5491a11298e8f7c093bd38bbed730cd2aadd6fa144a4623a94ce0133f3e2bf"],"state_sha256":"4b6518b46ec6693a431f99bfd63ce087369632992dcf5fff81262d9789eae093"}