{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:BJDNYGO2UC5MSA6I32IRJZYSPI","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":"67842276f17432e27d1f415d0301ae655b32caada826c588ae4b968e4c02ffc1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-02-19T19:51:44Z","title_canon_sha256":"cd11df1ca1fa53f9c2a89aee0e52b1e7caca9e8f409debac13214aeccf90b3ee"},"schema_version":"1.0","source":{"id":"1902.07255","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.07255","created_at":"2026-05-17T23:50:08Z"},{"alias_kind":"arxiv_version","alias_value":"1902.07255v1","created_at":"2026-05-17T23:50:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.07255","created_at":"2026-05-17T23:50:08Z"},{"alias_kind":"pith_short_12","alias_value":"BJDNYGO2UC5M","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"BJDNYGO2UC5MSA6I","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"BJDNYGO2","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:9bf8e6d795335e5e84e4ee79da31996a4935eae469fca6bdb313e6c31eeb3541","target":"graph","created_at":"2026-05-17T23:50:08Z","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":"Utilization of the spatial degree of freedom vastly enhances informational capacity of light at the cost of stringent requirements on the processing devices. Multi-mode quantum memories constitute a viable candidate for quantum and classical information processing; however, full utilization of the assets of high-dimensionality requires a flexible processing technique. We employ a spatially varying ac-Stark effect to perform arbitrary 1D phase modulation of a coherent spin-wave state stored in a wavevector-multiplexed quantum memory. A far-field and an interferometric near-field characterizatio","authors_text":"Adam Leszczy\\'nski, Mateusz Mazelanik, Micha{\\l} Lipka, Micha{\\l} Parniak, Wojciech Wasilewski","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-02-19T19:51:44Z","title":"Spatial spin-wave modulator for quantum memory assisted adaptive measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.07255","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:dbf43f6a906ed97c1f70ccb5e23ac14d058d14b4d15488d97b7c8508c7089034","target":"record","created_at":"2026-05-17T23:50:08Z","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":"67842276f17432e27d1f415d0301ae655b32caada826c588ae4b968e4c02ffc1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-02-19T19:51:44Z","title_canon_sha256":"cd11df1ca1fa53f9c2a89aee0e52b1e7caca9e8f409debac13214aeccf90b3ee"},"schema_version":"1.0","source":{"id":"1902.07255","kind":"arxiv","version":1}},"canonical_sha256":"0a46dc19daa0bac903c8de9114e7127a07728fa27e0bf5693d8d65a04f4b2aae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a46dc19daa0bac903c8de9114e7127a07728fa27e0bf5693d8d65a04f4b2aae","first_computed_at":"2026-05-17T23:50:08.075601Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:08.075601Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HLrGjGrpcGyy5kyU5KGhU3ufmQwIoeWl/TuKRo8yvrMiNqDie5Rhz+HzWgk2xbOyf56fSX/TDPbonrye563sCA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:08.076076Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.07255","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dbf43f6a906ed97c1f70ccb5e23ac14d058d14b4d15488d97b7c8508c7089034","sha256:9bf8e6d795335e5e84e4ee79da31996a4935eae469fca6bdb313e6c31eeb3541"],"state_sha256":"41fb9a7ab184613c6b4693dc8a30d25782223ac96f68e35aeb793c2f922189e3"}