{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:A333Z4JZBG442MLZMTSKFIOFSI","short_pith_number":"pith:A333Z4JZ","canonical_record":{"source":{"id":"2205.06261","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-05-12T17:58:59Z","cross_cats_sorted":[],"title_canon_sha256":"d5c03b9c3644a52007faaf2b683339657ba88392362408c0ccb0715fcfc7afde","abstract_canon_sha256":"1ea930ae3f5dc00e9893d666471b468cf7495454839e3b7daf3934614c967b7b"},"schema_version":"1.0"},"canonical_sha256":"06f7bcf13909b9cd317964e4a2a1c592364df326b5dc3f3c3c82e9d67e534d5c","source":{"kind":"arxiv","id":"2205.06261","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.06261","created_at":"2026-07-05T04:59:23Z"},{"alias_kind":"arxiv_version","alias_value":"2205.06261v2","created_at":"2026-07-05T04:59:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.06261","created_at":"2026-07-05T04:59:23Z"},{"alias_kind":"pith_short_12","alias_value":"A333Z4JZBG44","created_at":"2026-07-05T04:59:23Z"},{"alias_kind":"pith_short_16","alias_value":"A333Z4JZBG442MLZ","created_at":"2026-07-05T04:59:23Z"},{"alias_kind":"pith_short_8","alias_value":"A333Z4JZ","created_at":"2026-07-05T04:59:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:A333Z4JZBG442MLZMTSKFIOFSI","target":"record","payload":{"canonical_record":{"source":{"id":"2205.06261","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-05-12T17:58:59Z","cross_cats_sorted":[],"title_canon_sha256":"d5c03b9c3644a52007faaf2b683339657ba88392362408c0ccb0715fcfc7afde","abstract_canon_sha256":"1ea930ae3f5dc00e9893d666471b468cf7495454839e3b7daf3934614c967b7b"},"schema_version":"1.0"},"canonical_sha256":"06f7bcf13909b9cd317964e4a2a1c592364df326b5dc3f3c3c82e9d67e534d5c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:59:23.642898Z","signature_b64":"SZLydqM9ErgyOdssjUHF2ORStt5cpDgom034emOQTtmdjteOGMbTDGNITPsVglksiodgLTY7q3h/FnyQ1djPAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"06f7bcf13909b9cd317964e4a2a1c592364df326b5dc3f3c3c82e9d67e534d5c","last_reissued_at":"2026-07-05T04:59:23.642412Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:59:23.642412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.06261","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":"2026-07-05T04:59:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SIGXQtAqCvBxQOfYb/ka6wblYkQKWFfxieR12AA3V8hg1B2rFrh1GKvKpzjrDiEQo4brB5cCld2BKaf/PFhNCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T04:30:52.575290Z"},"content_sha256":"007ea0c611000fd7a627beaa8f5885b9047088ee402d0a1121887ba48a41114a","schema_version":"1.0","event_id":"sha256:007ea0c611000fd7a627beaa8f5885b9047088ee402d0a1121887ba48a41114a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:A333Z4JZBG442MLZMTSKFIOFSI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multivariable quantum signal processing (M-QSP): prophecies of the two-headed oracle","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Isaac L. Chuang, Zane M. Rossi","submitted_at":"2022-05-12T17:58:59Z","abstract_excerpt":"Recent work shows that quantum signal processing (QSP) and its multi-qubit lifted version, quantum singular value transformation (QSVT), unify and improve the presentation of most quantum algorithms. QSP/QSVT characterize the ability, by alternating ans\\\"atze, to obliviously transform the singular values of subsystems of unitary matrices by polynomial functions; these algorithms are numerically stable and analytically well-understood. That said, QSP/QSVT require consistent access to a single oracle, saying nothing about computing joint properties of two or more oracles; these can be far cheape"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.06261","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/2205.06261/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":"2026-07-05T04:59:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AAtW+W+X0fN5/w6OEAxylKkQUC98j39w1H7TOlyXVDfB/wXXn6Y2MpnFI9DVDS0FGfkr7ALlXpYaiw9SGAClBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T04:30:52.576226Z"},"content_sha256":"f48c4af75976814b295b2d4afb33cbc7aba4b23d0334e108b59c0cc2d78473d1","schema_version":"1.0","event_id":"sha256:f48c4af75976814b295b2d4afb33cbc7aba4b23d0334e108b59c0cc2d78473d1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A333Z4JZBG442MLZMTSKFIOFSI/bundle.json","state_url":"https://pith.science/pith/A333Z4JZBG442MLZMTSKFIOFSI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A333Z4JZBG442MLZMTSKFIOFSI/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":"2026-08-18T04:30:52Z","links":{"resolver":"https://pith.science/pith/A333Z4JZBG442MLZMTSKFIOFSI","bundle":"https://pith.science/pith/A333Z4JZBG442MLZMTSKFIOFSI/bundle.json","state":"https://pith.science/pith/A333Z4JZBG442MLZMTSKFIOFSI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A333Z4JZBG442MLZMTSKFIOFSI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:A333Z4JZBG442MLZMTSKFIOFSI","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":"1ea930ae3f5dc00e9893d666471b468cf7495454839e3b7daf3934614c967b7b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-05-12T17:58:59Z","title_canon_sha256":"d5c03b9c3644a52007faaf2b683339657ba88392362408c0ccb0715fcfc7afde"},"schema_version":"1.0","source":{"id":"2205.06261","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.06261","created_at":"2026-07-05T04:59:23Z"},{"alias_kind":"arxiv_version","alias_value":"2205.06261v2","created_at":"2026-07-05T04:59:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.06261","created_at":"2026-07-05T04:59:23Z"},{"alias_kind":"pith_short_12","alias_value":"A333Z4JZBG44","created_at":"2026-07-05T04:59:23Z"},{"alias_kind":"pith_short_16","alias_value":"A333Z4JZBG442MLZ","created_at":"2026-07-05T04:59:23Z"},{"alias_kind":"pith_short_8","alias_value":"A333Z4JZ","created_at":"2026-07-05T04:59:23Z"}],"graph_snapshots":[{"event_id":"sha256:f48c4af75976814b295b2d4afb33cbc7aba4b23d0334e108b59c0cc2d78473d1","target":"graph","created_at":"2026-07-05T04:59:23Z","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/2205.06261/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent work shows that quantum signal processing (QSP) and its multi-qubit lifted version, quantum singular value transformation (QSVT), unify and improve the presentation of most quantum algorithms. QSP/QSVT characterize the ability, by alternating ans\\\"atze, to obliviously transform the singular values of subsystems of unitary matrices by polynomial functions; these algorithms are numerically stable and analytically well-understood. That said, QSP/QSVT require consistent access to a single oracle, saying nothing about computing joint properties of two or more oracles; these can be far cheape","authors_text":"Isaac L. Chuang, Zane M. Rossi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-05-12T17:58:59Z","title":"Multivariable quantum signal processing (M-QSP): prophecies of the two-headed oracle"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.06261","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":"sha256:007ea0c611000fd7a627beaa8f5885b9047088ee402d0a1121887ba48a41114a","target":"record","created_at":"2026-07-05T04:59:23Z","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":"1ea930ae3f5dc00e9893d666471b468cf7495454839e3b7daf3934614c967b7b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-05-12T17:58:59Z","title_canon_sha256":"d5c03b9c3644a52007faaf2b683339657ba88392362408c0ccb0715fcfc7afde"},"schema_version":"1.0","source":{"id":"2205.06261","kind":"arxiv","version":2}},"canonical_sha256":"06f7bcf13909b9cd317964e4a2a1c592364df326b5dc3f3c3c82e9d67e534d5c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"06f7bcf13909b9cd317964e4a2a1c592364df326b5dc3f3c3c82e9d67e534d5c","first_computed_at":"2026-07-05T04:59:23.642412Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:59:23.642412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SZLydqM9ErgyOdssjUHF2ORStt5cpDgom034emOQTtmdjteOGMbTDGNITPsVglksiodgLTY7q3h/FnyQ1djPAw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:59:23.642898Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.06261","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:007ea0c611000fd7a627beaa8f5885b9047088ee402d0a1121887ba48a41114a","sha256:f48c4af75976814b295b2d4afb33cbc7aba4b23d0334e108b59c0cc2d78473d1"],"state_sha256":"c4639efa90b7b53d7e7c405ccff66ede4c166bff0d5169968c06e229b8380eed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DqLBDUUD4ivXU7voa8hP/3vTvPiA9vKusZ9KjBXlQwG+0FHFM2OSlk9C9bgMqrcv+v1Vw7/QxLLZoEOpXJPrBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T04:30:52.589199Z","bundle_sha256":"b11fb4692efba8028e012caeec8132685f71a2e2f31c15057144ad6e646bcc12"}}