{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:MI2CD7ZIYL7HG736WZHVZKGWSR","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":"22ff1e83aaca95c0942f6fcd0c8fe4d3316b9f8a4a14e983f8c97c2afc255ec9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-07T16:20:05Z","title_canon_sha256":"770b96e659f2a131fca784f7cd208e1bc7ebeacbf802a14cbf48580cb094a8d2"},"schema_version":"1.0","source":{"id":"1702.02082","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.02082","created_at":"2026-05-18T00:39:56Z"},{"alias_kind":"arxiv_version","alias_value":"1702.02082v1","created_at":"2026-05-18T00:39:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.02082","created_at":"2026-05-18T00:39:56Z"},{"alias_kind":"pith_short_12","alias_value":"MI2CD7ZIYL7H","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MI2CD7ZIYL7HG736","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MI2CD7ZI","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:3ebcee70ea380affdbefc4a2df3de4233efd92557b8d4118dbdc95642190655a","target":"graph","created_at":"2026-05-18T00:39:56Z","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":"Single-photon subtraction plays important roles in optical quantum information processing as it provides a non-Gaussian characteristic in continuous-variable quantum information. While the conventional way of implementing single-photon subtraction based on a low-reflectance beam splitter works properly for a single-mode quantum state, it is unsuitable for a multimode quantum state because a single photon is subtracted from all multiple modes without maintaining their mode coherence. Here we experimentally implement and characterize a mode-tunable coherent single-photon subtractor based on sum ","authors_text":"Adrien Dufour, Claude Fabre, Cl\\'ement Jacquard, Nicolas Treps, Young-Sik Ra","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-07T16:20:05Z","title":"Tomography of a Mode-Tunable Coherent Single-Photon Subtractor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.02082","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":"sha256:670939ca25c7c1943fb1bccaf7edf9a998ad6a1a4cde1cfd658ed8bb3c9dd07b","target":"record","created_at":"2026-05-18T00:39:56Z","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":"22ff1e83aaca95c0942f6fcd0c8fe4d3316b9f8a4a14e983f8c97c2afc255ec9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-07T16:20:05Z","title_canon_sha256":"770b96e659f2a131fca784f7cd208e1bc7ebeacbf802a14cbf48580cb094a8d2"},"schema_version":"1.0","source":{"id":"1702.02082","kind":"arxiv","version":1}},"canonical_sha256":"623421ff28c2fe737f7eb64f5ca8d6946dce5904a3b02f1feef07870886c971d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"623421ff28c2fe737f7eb64f5ca8d6946dce5904a3b02f1feef07870886c971d","first_computed_at":"2026-05-18T00:39:56.697735Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:39:56.697735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KxIGiMdP5/JOWnEin+bfkOM/1GBrNRFX1u8afYNwfrvbANJrmN9tQ1AnF9FWDpFm4IqNOhuXDjmJBNT9diJRBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:39:56.698171Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.02082","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:670939ca25c7c1943fb1bccaf7edf9a998ad6a1a4cde1cfd658ed8bb3c9dd07b","sha256:3ebcee70ea380affdbefc4a2df3de4233efd92557b8d4118dbdc95642190655a"],"state_sha256":"5c9f9ee18c0c12a5bb548b9d27b5ea25f0c549c0fc2c13bba8fd59928a19cb6d"}