{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:YYPC2YYXHF26TRL4KPEP3ARU2K","short_pith_number":"pith:YYPC2YYX","canonical_record":{"source":{"id":"2310.07406","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-10-11T11:45:31Z","cross_cats_sorted":[],"title_canon_sha256":"db84292fa38a8b6fbf3d2738bf02103c155cfd1046aa4ebf7f2e5589d4421eda","abstract_canon_sha256":"d4707eb94079707b1951651d41205f46e1993e53761182be2081a1ad4a7f8254"},"schema_version":"1.0"},"canonical_sha256":"c61e2d63173975e9c57c53c8fd8234d2b1b5428762cef5152728a5494cb52de1","source":{"kind":"arxiv","id":"2310.07406","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.07406","created_at":"2026-07-05T07:47:05Z"},{"alias_kind":"arxiv_version","alias_value":"2310.07406v2","created_at":"2026-07-05T07:47:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.07406","created_at":"2026-07-05T07:47:05Z"},{"alias_kind":"pith_short_12","alias_value":"YYPC2YYXHF26","created_at":"2026-07-05T07:47:05Z"},{"alias_kind":"pith_short_16","alias_value":"YYPC2YYXHF26TRL4","created_at":"2026-07-05T07:47:05Z"},{"alias_kind":"pith_short_8","alias_value":"YYPC2YYX","created_at":"2026-07-05T07:47:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:YYPC2YYXHF26TRL4KPEP3ARU2K","target":"record","payload":{"canonical_record":{"source":{"id":"2310.07406","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-10-11T11:45:31Z","cross_cats_sorted":[],"title_canon_sha256":"db84292fa38a8b6fbf3d2738bf02103c155cfd1046aa4ebf7f2e5589d4421eda","abstract_canon_sha256":"d4707eb94079707b1951651d41205f46e1993e53761182be2081a1ad4a7f8254"},"schema_version":"1.0"},"canonical_sha256":"c61e2d63173975e9c57c53c8fd8234d2b1b5428762cef5152728a5494cb52de1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:47:05.773212Z","signature_b64":"8CdiXBeG4msNVxBSjpz2TWbS1gqEwDYiXh9e1TBaEaY07GpKY2hgEctWfaOOvmP76IQOGYkBAes7B9p3KbN5Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c61e2d63173975e9c57c53c8fd8234d2b1b5428762cef5152728a5494cb52de1","last_reissued_at":"2026-07-05T07:47:05.772771Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:47:05.772771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2310.07406","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":"2026-07-05T07:47:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wu2+w6dUmgzYYQBhKyR1Xg3aJcPCaj39LFK8MQNOQdDKnCWykQrU2ENwcb+aWtDTe0OZhYOqN//PLTNMwt5iBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T02:42:54.479841Z"},"content_sha256":"024afa8bc8aba2d1404192c55099c460c05adbe4bc19f5cb954f0b8368dbf5c7","schema_version":"1.0","event_id":"sha256:024afa8bc8aba2d1404192c55099c460c05adbe4bc19f5cb954f0b8368dbf5c7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:YYPC2YYXHF26TRL4KPEP3ARU2K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Squeezing as a resource for time series processing in quantum reservoir computing","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Gian Luca Giorgi, Jorge Garc\\'ia-Beni, Miguel C. Soriano, Roberta Zambrini","submitted_at":"2023-10-11T11:45:31Z","abstract_excerpt":"Squeezing is known to be a quantum resource in many applications in metrology, cryptography, and computing, being related to entanglement in multimode settings. In this work, we address the effects of squeezing in neuromorphic machine learning for time series processing. In particular, we consider a loop-based photonic architecture for reservoir computing and address the effect of squeezing in the reservoir, considering a Hamiltonian with both active and passive coupling terms. Interestingly, squeezing can be either detrimental or beneficial for quantum reservoir computing when moving from ide"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.07406","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/2310.07406/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":"2026-07-05T07:47:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AanWuGrRE9FETVv6OlrZspi0MtajFB1DTGzLewtlqp0jyNvqkhmj9XDd+KMKmCaj7dvYrOMGFHzxPeUuU1HJDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T02:42:54.480201Z"},"content_sha256":"97ef312bca234de845e032625b8468442f1c76fd8e47d285fc6b22bd5d471821","schema_version":"1.0","event_id":"sha256:97ef312bca234de845e032625b8468442f1c76fd8e47d285fc6b22bd5d471821"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YYPC2YYXHF26TRL4KPEP3ARU2K/bundle.json","state_url":"https://pith.science/pith/YYPC2YYXHF26TRL4KPEP3ARU2K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YYPC2YYXHF26TRL4KPEP3ARU2K/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":"2026-07-24T02:42:54Z","links":{"resolver":"https://pith.science/pith/YYPC2YYXHF26TRL4KPEP3ARU2K","bundle":"https://pith.science/pith/YYPC2YYXHF26TRL4KPEP3ARU2K/bundle.json","state":"https://pith.science/pith/YYPC2YYXHF26TRL4KPEP3ARU2K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YYPC2YYXHF26TRL4KPEP3ARU2K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:YYPC2YYXHF26TRL4KPEP3ARU2K","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":"d4707eb94079707b1951651d41205f46e1993e53761182be2081a1ad4a7f8254","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-10-11T11:45:31Z","title_canon_sha256":"db84292fa38a8b6fbf3d2738bf02103c155cfd1046aa4ebf7f2e5589d4421eda"},"schema_version":"1.0","source":{"id":"2310.07406","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.07406","created_at":"2026-07-05T07:47:05Z"},{"alias_kind":"arxiv_version","alias_value":"2310.07406v2","created_at":"2026-07-05T07:47:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.07406","created_at":"2026-07-05T07:47:05Z"},{"alias_kind":"pith_short_12","alias_value":"YYPC2YYXHF26","created_at":"2026-07-05T07:47:05Z"},{"alias_kind":"pith_short_16","alias_value":"YYPC2YYXHF26TRL4","created_at":"2026-07-05T07:47:05Z"},{"alias_kind":"pith_short_8","alias_value":"YYPC2YYX","created_at":"2026-07-05T07:47:05Z"}],"graph_snapshots":[{"event_id":"sha256:97ef312bca234de845e032625b8468442f1c76fd8e47d285fc6b22bd5d471821","target":"graph","created_at":"2026-07-05T07:47:05Z","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/2310.07406/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Squeezing is known to be a quantum resource in many applications in metrology, cryptography, and computing, being related to entanglement in multimode settings. In this work, we address the effects of squeezing in neuromorphic machine learning for time series processing. In particular, we consider a loop-based photonic architecture for reservoir computing and address the effect of squeezing in the reservoir, considering a Hamiltonian with both active and passive coupling terms. Interestingly, squeezing can be either detrimental or beneficial for quantum reservoir computing when moving from ide","authors_text":"Gian Luca Giorgi, Jorge Garc\\'ia-Beni, Miguel C. Soriano, Roberta Zambrini","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-10-11T11:45:31Z","title":"Squeezing as a resource for time series processing in quantum reservoir computing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.07406","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":"sha256:024afa8bc8aba2d1404192c55099c460c05adbe4bc19f5cb954f0b8368dbf5c7","target":"record","created_at":"2026-07-05T07:47:05Z","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":"d4707eb94079707b1951651d41205f46e1993e53761182be2081a1ad4a7f8254","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-10-11T11:45:31Z","title_canon_sha256":"db84292fa38a8b6fbf3d2738bf02103c155cfd1046aa4ebf7f2e5589d4421eda"},"schema_version":"1.0","source":{"id":"2310.07406","kind":"arxiv","version":2}},"canonical_sha256":"c61e2d63173975e9c57c53c8fd8234d2b1b5428762cef5152728a5494cb52de1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c61e2d63173975e9c57c53c8fd8234d2b1b5428762cef5152728a5494cb52de1","first_computed_at":"2026-07-05T07:47:05.772771Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:47:05.772771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8CdiXBeG4msNVxBSjpz2TWbS1gqEwDYiXh9e1TBaEaY07GpKY2hgEctWfaOOvmP76IQOGYkBAes7B9p3KbN5Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T07:47:05.773212Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.07406","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:024afa8bc8aba2d1404192c55099c460c05adbe4bc19f5cb954f0b8368dbf5c7","sha256:97ef312bca234de845e032625b8468442f1c76fd8e47d285fc6b22bd5d471821"],"state_sha256":"3c4790362f715889f14de99379ed678d27f2bd436598b639809201616aded997"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2ypZiX1G4fQGjJmOIO3MfVw4+pqzSX9WjlthPJiN9ALqZX1IJQocglRLClp4j0T7+iWy36dVryMAOPkE8gciBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-24T02:42:54.482250Z","bundle_sha256":"49226cc3046319e9d13c1d83f026533fec65f02ec9e3a8f3f955ecdd5bce8e97"}}