{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:OBDDMHZAJTJAI3TMXNUUP6L5YA","short_pith_number":"pith:OBDDMHZA","canonical_record":{"source":{"id":"2404.15266","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-04-23T17:55:49Z","cross_cats_sorted":["physics.comp-ph","physics.optics"],"title_canon_sha256":"a1bb0bf42d84f4fccf37c8e2eaab9e87398909823b908954e5c57eaffbb5db8f","abstract_canon_sha256":"535d9bde13a0c6352496f4c1deea88c660213fbc6971689a088a0719e6990cad"},"schema_version":"1.0"},"canonical_sha256":"7046361f204cd2046e6cbb6947f97dc03a1ad63fd997159dcf421220293e4d84","source":{"kind":"arxiv","id":"2404.15266","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.15266","created_at":"2026-07-05T10:48:15Z"},{"alias_kind":"arxiv_version","alias_value":"2404.15266v2","created_at":"2026-07-05T10:48:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.15266","created_at":"2026-07-05T10:48:15Z"},{"alias_kind":"pith_short_12","alias_value":"OBDDMHZAJTJA","created_at":"2026-07-05T10:48:15Z"},{"alias_kind":"pith_short_16","alias_value":"OBDDMHZAJTJAI3TM","created_at":"2026-07-05T10:48:15Z"},{"alias_kind":"pith_short_8","alias_value":"OBDDMHZA","created_at":"2026-07-05T10:48:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:OBDDMHZAJTJAI3TMXNUUP6L5YA","target":"record","payload":{"canonical_record":{"source":{"id":"2404.15266","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-04-23T17:55:49Z","cross_cats_sorted":["physics.comp-ph","physics.optics"],"title_canon_sha256":"a1bb0bf42d84f4fccf37c8e2eaab9e87398909823b908954e5c57eaffbb5db8f","abstract_canon_sha256":"535d9bde13a0c6352496f4c1deea88c660213fbc6971689a088a0719e6990cad"},"schema_version":"1.0"},"canonical_sha256":"7046361f204cd2046e6cbb6947f97dc03a1ad63fd997159dcf421220293e4d84","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:48:15.520720Z","signature_b64":"4RMU7ri7PSKz6159d68at/sdJhDv1BuDKoHCxVB9VtH0Ib0CDrPpqOCTQn7Clhf+3D5R2TZKr7GMCv6j2HopAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7046361f204cd2046e6cbb6947f97dc03a1ad63fd997159dcf421220293e4d84","last_reissued_at":"2026-07-05T10:48:15.520266Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:48:15.520266Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.15266","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:48:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TEiXiwWY9PkmFt1JxL/FSqAXGJamQNbvHZodvoG2YUPFsNQFew58aV7hRmjFinC9ZqGvOxCl1fRE5navUD6YAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T13:47:21.562358Z"},"content_sha256":"00976c81f072519d8ef85e9b01f0dd348b88b2482891dedf76fef46dc5ab2a6f","schema_version":"1.0","event_id":"sha256:00976c81f072519d8ef85e9b01f0dd348b88b2482891dedf76fef46dc5ab2a6f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:OBDDMHZAJTJAI3TMXNUUP6L5YA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum optical classifier with superexponential speedup","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.comp-ph","physics.optics"],"primary_cat":"quant-ph","authors_text":"Angela Rosy Morgillo, Chiara Macchiavello, Lorenzo Maccone, Seth Lloyd, Simone Roncallo","submitted_at":"2024-04-23T17:55:49Z","abstract_excerpt":"Classification is a central task in deep learning algorithms. Usually, images are first captured and then processed by a sequence of operations, of which the artificial neuron represents one of the fundamental units. This paradigm requires significant resources that scale (at least) linearly in the image resolution, both in terms of photons and computational operations. Here, we present a quantum optical pattern recognition method for binary classification tasks. It classifies objects without reconstructing their images, using the rate of two-photon coincidences at the output of a Hong-Ou-Mand"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.15266","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2404.15266/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:48:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vL9kZiqHjNGzddTwVVQCUYFpuI2ArQfU01fl1N7kaNAcR2O6HTUQej1vBOs3P4YVZ0+peuPwpz43vGJAz0poAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T13:47:21.563074Z"},"content_sha256":"e36d1298404debb5c8e52b366e7613c61c103f34847ae351407dea928c629eed","schema_version":"1.0","event_id":"sha256:e36d1298404debb5c8e52b366e7613c61c103f34847ae351407dea928c629eed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OBDDMHZAJTJAI3TMXNUUP6L5YA/bundle.json","state_url":"https://pith.science/pith/OBDDMHZAJTJAI3TMXNUUP6L5YA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OBDDMHZAJTJAI3TMXNUUP6L5YA/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":"2026-08-15T13:47:21Z","links":{"resolver":"https://pith.science/pith/OBDDMHZAJTJAI3TMXNUUP6L5YA","bundle":"https://pith.science/pith/OBDDMHZAJTJAI3TMXNUUP6L5YA/bundle.json","state":"https://pith.science/pith/OBDDMHZAJTJAI3TMXNUUP6L5YA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OBDDMHZAJTJAI3TMXNUUP6L5YA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:OBDDMHZAJTJAI3TMXNUUP6L5YA","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":"535d9bde13a0c6352496f4c1deea88c660213fbc6971689a088a0719e6990cad","cross_cats_sorted":["physics.comp-ph","physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-04-23T17:55:49Z","title_canon_sha256":"a1bb0bf42d84f4fccf37c8e2eaab9e87398909823b908954e5c57eaffbb5db8f"},"schema_version":"1.0","source":{"id":"2404.15266","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.15266","created_at":"2026-07-05T10:48:15Z"},{"alias_kind":"arxiv_version","alias_value":"2404.15266v2","created_at":"2026-07-05T10:48:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.15266","created_at":"2026-07-05T10:48:15Z"},{"alias_kind":"pith_short_12","alias_value":"OBDDMHZAJTJA","created_at":"2026-07-05T10:48:15Z"},{"alias_kind":"pith_short_16","alias_value":"OBDDMHZAJTJAI3TM","created_at":"2026-07-05T10:48:15Z"},{"alias_kind":"pith_short_8","alias_value":"OBDDMHZA","created_at":"2026-07-05T10:48:15Z"}],"graph_snapshots":[{"event_id":"sha256:e36d1298404debb5c8e52b366e7613c61c103f34847ae351407dea928c629eed","target":"graph","created_at":"2026-07-05T10:48:15Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2404.15266/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Classification is a central task in deep learning algorithms. Usually, images are first captured and then processed by a sequence of operations, of which the artificial neuron represents one of the fundamental units. This paradigm requires significant resources that scale (at least) linearly in the image resolution, both in terms of photons and computational operations. Here, we present a quantum optical pattern recognition method for binary classification tasks. It classifies objects without reconstructing their images, using the rate of two-photon coincidences at the output of a Hong-Ou-Mand","authors_text":"Angela Rosy Morgillo, Chiara Macchiavello, Lorenzo Maccone, Seth Lloyd, Simone Roncallo","cross_cats":["physics.comp-ph","physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-04-23T17:55:49Z","title":"Quantum optical classifier with superexponential speedup"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.15266","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":"sha256:00976c81f072519d8ef85e9b01f0dd348b88b2482891dedf76fef46dc5ab2a6f","target":"record","created_at":"2026-07-05T10:48:15Z","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":"535d9bde13a0c6352496f4c1deea88c660213fbc6971689a088a0719e6990cad","cross_cats_sorted":["physics.comp-ph","physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-04-23T17:55:49Z","title_canon_sha256":"a1bb0bf42d84f4fccf37c8e2eaab9e87398909823b908954e5c57eaffbb5db8f"},"schema_version":"1.0","source":{"id":"2404.15266","kind":"arxiv","version":2}},"canonical_sha256":"7046361f204cd2046e6cbb6947f97dc03a1ad63fd997159dcf421220293e4d84","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7046361f204cd2046e6cbb6947f97dc03a1ad63fd997159dcf421220293e4d84","first_computed_at":"2026-07-05T10:48:15.520266Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:48:15.520266Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4RMU7ri7PSKz6159d68at/sdJhDv1BuDKoHCxVB9VtH0Ib0CDrPpqOCTQn7Clhf+3D5R2TZKr7GMCv6j2HopAg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:48:15.520720Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.15266","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:00976c81f072519d8ef85e9b01f0dd348b88b2482891dedf76fef46dc5ab2a6f","sha256:e36d1298404debb5c8e52b366e7613c61c103f34847ae351407dea928c629eed"],"state_sha256":"cd53baf749bc54b4a352cf1424411fae227cc10ea56a35157ae6432aa63e14ed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lyeoXDnbEmt8soSBkOFrxSL6QfESu/XZVa1va3EieNeils+XuPm3a96eqdToHw23/kDyCoLt+WDoJNbG3cUVDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T13:47:21.643504Z","bundle_sha256":"0ed12bf8b2b00c9caacfea3883a4db9256ac34b947f1594982b1ce59e0955fcf"}}