{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:C7WYA7Y7MGIXXKXSXGZMDAYMNN","short_pith_number":"pith:C7WYA7Y7","canonical_record":{"source":{"id":"quant-ph/0510163","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2005-10-20T17:40:01Z","cross_cats_sorted":[],"title_canon_sha256":"510c5b30bd932ba093e94230bad7f676c48a2dd4015cd0f39ded17fc7c471206","abstract_canon_sha256":"bf86f9e6c4878daff19666346f3b5865c60d0b407ca0e93adb5cac16642f9433"},"schema_version":"1.0"},"canonical_sha256":"17ed807f1f61917baaf2b9b2c1830c6b44c1e38e7a3f9aaa61257cd97c0db6be","source":{"kind":"arxiv","id":"quant-ph/0510163","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0510163","created_at":"2026-05-18T01:08:45Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0510163v3","created_at":"2026-05-18T01:08:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0510163","created_at":"2026-05-18T01:08:45Z"},{"alias_kind":"pith_short_12","alias_value":"C7WYA7Y7MGIX","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"C7WYA7Y7MGIXXKXS","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"C7WYA7Y7","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:C7WYA7Y7MGIXXKXSXGZMDAYMNN","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/0510163","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2005-10-20T17:40:01Z","cross_cats_sorted":[],"title_canon_sha256":"510c5b30bd932ba093e94230bad7f676c48a2dd4015cd0f39ded17fc7c471206","abstract_canon_sha256":"bf86f9e6c4878daff19666346f3b5865c60d0b407ca0e93adb5cac16642f9433"},"schema_version":"1.0"},"canonical_sha256":"17ed807f1f61917baaf2b9b2c1830c6b44c1e38e7a3f9aaa61257cd97c0db6be","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:45.580262Z","signature_b64":"TIGQr8xwj0O/H+tSkZz0OU9vyT/++LAhloLXSj+cjZlHxx0wh9RQjGGA6kl1Rc8leOhfYA6TDNLBujHZPOI7Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"17ed807f1f61917baaf2b9b2c1830c6b44c1e38e7a3f9aaa61257cd97c0db6be","last_reissued_at":"2026-05-18T01:08:45.579924Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:45.579924Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/0510163","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:08:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rVCV5wPJrn5q7+BQplEOXvexkJ5uDaqJ2GOFDBOPjgOhgPix5k0XP7BNKnVvQZBl4mZfIQejfdh2R7E2nTRHCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T03:08:09.575951Z"},"content_sha256":"b7a264b06c79e3a23d6e55f449ed1ec1da5270a172f17e14be8e290576b35f4a","schema_version":"1.0","event_id":"sha256:b7a264b06c79e3a23d6e55f449ed1ec1da5270a172f17e14be8e290576b35f4a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:C7WYA7Y7MGIXXKXSXGZMDAYMNN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Implementing Non-Projective Measurements via Linear Optics: an Approach Based on Optimal Quantum State Discrimination","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Kae Nemoto, Norbert L\\\"utkenhaus, Peter van Loock, Philippe Raynal, William J. Munro","submitted_at":"2005-10-20T17:40:01Z","abstract_excerpt":"We discuss the problem of implementing generalized measurements (POVMs) with linear optics, either based upon a static linear array or including conditional dynamics. In our approach, a given POVM shall be identified as a solution to an optimization problem for a chosen cost function. We formulate a general principle: the implementation is only possible if a linear-optics circuit exists for which the quantum mechanical optimum (minimum) is still attainable after dephasing the corresponding quantum states. The general principle enables us, for instance, to derive a set of necessary conditions f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0510163","kind":"arxiv","version":3},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:08:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X6c5rs5Z8lXcEWjP5plN8uUSiEJMub57nel6HHjxiHjDvANmUF1WnIA6NR7o1T/bjMbnYQFzYh+biNW4OCpoDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T03:08:09.576674Z"},"content_sha256":"97e63844f1ceea0ed03b7b3e162cf6fb77b2d275deafbfa3d67c25c564bbfce4","schema_version":"1.0","event_id":"sha256:97e63844f1ceea0ed03b7b3e162cf6fb77b2d275deafbfa3d67c25c564bbfce4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C7WYA7Y7MGIXXKXSXGZMDAYMNN/bundle.json","state_url":"https://pith.science/pith/C7WYA7Y7MGIXXKXSXGZMDAYMNN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C7WYA7Y7MGIXXKXSXGZMDAYMNN/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-08T03:08:09Z","links":{"resolver":"https://pith.science/pith/C7WYA7Y7MGIXXKXSXGZMDAYMNN","bundle":"https://pith.science/pith/C7WYA7Y7MGIXXKXSXGZMDAYMNN/bundle.json","state":"https://pith.science/pith/C7WYA7Y7MGIXXKXSXGZMDAYMNN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C7WYA7Y7MGIXXKXSXGZMDAYMNN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:C7WYA7Y7MGIXXKXSXGZMDAYMNN","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":"bf86f9e6c4878daff19666346f3b5865c60d0b407ca0e93adb5cac16642f9433","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2005-10-20T17:40:01Z","title_canon_sha256":"510c5b30bd932ba093e94230bad7f676c48a2dd4015cd0f39ded17fc7c471206"},"schema_version":"1.0","source":{"id":"quant-ph/0510163","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0510163","created_at":"2026-05-18T01:08:45Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0510163v3","created_at":"2026-05-18T01:08:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0510163","created_at":"2026-05-18T01:08:45Z"},{"alias_kind":"pith_short_12","alias_value":"C7WYA7Y7MGIX","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"C7WYA7Y7MGIXXKXS","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"C7WYA7Y7","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:97e63844f1ceea0ed03b7b3e162cf6fb77b2d275deafbfa3d67c25c564bbfce4","target":"graph","created_at":"2026-05-18T01:08:45Z","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 discuss the problem of implementing generalized measurements (POVMs) with linear optics, either based upon a static linear array or including conditional dynamics. In our approach, a given POVM shall be identified as a solution to an optimization problem for a chosen cost function. We formulate a general principle: the implementation is only possible if a linear-optics circuit exists for which the quantum mechanical optimum (minimum) is still attainable after dephasing the corresponding quantum states. The general principle enables us, for instance, to derive a set of necessary conditions f","authors_text":"Kae Nemoto, Norbert L\\\"utkenhaus, Peter van Loock, Philippe Raynal, William J. Munro","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2005-10-20T17:40:01Z","title":"Implementing Non-Projective Measurements via Linear Optics: an Approach Based on Optimal Quantum State Discrimination"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0510163","kind":"arxiv","version":3},"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:b7a264b06c79e3a23d6e55f449ed1ec1da5270a172f17e14be8e290576b35f4a","target":"record","created_at":"2026-05-18T01:08:45Z","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":"bf86f9e6c4878daff19666346f3b5865c60d0b407ca0e93adb5cac16642f9433","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2005-10-20T17:40:01Z","title_canon_sha256":"510c5b30bd932ba093e94230bad7f676c48a2dd4015cd0f39ded17fc7c471206"},"schema_version":"1.0","source":{"id":"quant-ph/0510163","kind":"arxiv","version":3}},"canonical_sha256":"17ed807f1f61917baaf2b9b2c1830c6b44c1e38e7a3f9aaa61257cd97c0db6be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"17ed807f1f61917baaf2b9b2c1830c6b44c1e38e7a3f9aaa61257cd97c0db6be","first_computed_at":"2026-05-18T01:08:45.579924Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:45.579924Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TIGQr8xwj0O/H+tSkZz0OU9vyT/++LAhloLXSj+cjZlHxx0wh9RQjGGA6kl1Rc8leOhfYA6TDNLBujHZPOI7Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:45.580262Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0510163","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b7a264b06c79e3a23d6e55f449ed1ec1da5270a172f17e14be8e290576b35f4a","sha256:97e63844f1ceea0ed03b7b3e162cf6fb77b2d275deafbfa3d67c25c564bbfce4"],"state_sha256":"097ee2f59b41a3e6e9c8992816b3aa78156e9582731b39ec5bb48189d3bb06eb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E7FIIIB/SMtGO6xMX+vd6ruHvmI/cOlqdZbC4sBlBKdNaFEo/2Hwa7FHTqoaY5mfle4JJGcqP9G6vZgx1icWDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T03:08:09.580497Z","bundle_sha256":"c61fe9aefbeeddea4a82587dc8fc434b26c312ec0126257ebaf194623081a624"}}