{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:MUBRJJUKICANC574YMIOSOUL3B","short_pith_number":"pith:MUBRJJUK","canonical_record":{"source":{"id":"2404.01396","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-04-01T18:08:10Z","cross_cats_sorted":[],"title_canon_sha256":"052d716161fcf99191cfd6bfc0ec244ea5fa70a59be4321ebb9401baccf5ce8d","abstract_canon_sha256":"9fdbcb71e9fc970155a2050d0cae2867cc0fa5277f09cb1475084f4a54eff9d3"},"schema_version":"1.0"},"canonical_sha256":"650314a68a4080d177fcc310e93a8bd87bf0bfc2e367133ef9a91d4fd1d62d3e","source":{"kind":"arxiv","id":"2404.01396","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.01396","created_at":"2026-07-05T08:09:13Z"},{"alias_kind":"arxiv_version","alias_value":"2404.01396v2","created_at":"2026-07-05T08:09:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.01396","created_at":"2026-07-05T08:09:13Z"},{"alias_kind":"pith_short_12","alias_value":"MUBRJJUKICAN","created_at":"2026-07-05T08:09:13Z"},{"alias_kind":"pith_short_16","alias_value":"MUBRJJUKICANC574","created_at":"2026-07-05T08:09:13Z"},{"alias_kind":"pith_short_8","alias_value":"MUBRJJUK","created_at":"2026-07-05T08:09:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:MUBRJJUKICANC574YMIOSOUL3B","target":"record","payload":{"canonical_record":{"source":{"id":"2404.01396","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-04-01T18:08:10Z","cross_cats_sorted":[],"title_canon_sha256":"052d716161fcf99191cfd6bfc0ec244ea5fa70a59be4321ebb9401baccf5ce8d","abstract_canon_sha256":"9fdbcb71e9fc970155a2050d0cae2867cc0fa5277f09cb1475084f4a54eff9d3"},"schema_version":"1.0"},"canonical_sha256":"650314a68a4080d177fcc310e93a8bd87bf0bfc2e367133ef9a91d4fd1d62d3e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:09:13.509435Z","signature_b64":"ADXgyA7ZbiOpFImcZen4z8+V7V2B2l9NAOniQ2gExWyMi3CoM03uBQA6ELOsfuuCRrS9nQ4O5ohN5tPzZCBwDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"650314a68a4080d177fcc310e93a8bd87bf0bfc2e367133ef9a91d4fd1d62d3e","last_reissued_at":"2026-07-05T08:09:13.508964Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:09:13.508964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.01396","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":"2026-07-05T08:09:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z2J4D1NOC5pmH2EEcfrP+XxoHdOOQcOrZgzDDDXA+tG7kQufLGByn++QYB5LWH7DOnkKr1ZbXap6+hK+fZRQBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:41:27.373234Z"},"content_sha256":"b4c4c18eb94d964e6041bd977bf1314d5184779b87cd92287ff218efada2f560","schema_version":"1.0","event_id":"sha256:b4c4c18eb94d964e6041bd977bf1314d5184779b87cd92287ff218efada2f560"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:MUBRJJUKICANC574YMIOSOUL3B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A case study against QSVT: assessment of quantum phase estimation improved by signal processing techniques","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Sean Greenaway, Sukin Sim, William Pol","submitted_at":"2024-04-01T18:08:10Z","abstract_excerpt":"In recent years, quantum algorithms have been proposed which use quantum phase estimation (QPE) coherently as a subroutine without measurement. In order to do this effectively, the routine must be able to distinguish eigenstates with success probability close to unity. In this paper, we provide the first systematic comparison between two approaches towards maximizing this success probability, one using the quantum singular value transform and the other leveraging window functions, which have been previously studied as priors of the phase value distribution. We find that the quantum singular va"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.01396","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/2404.01396/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":"2026-07-05T08:09:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5TRhh/7h3y457M8Tcgn1m9EpBhpmPODnvhXxsq++7J3YQH0YoyDq1bEbrmxou1jPI+teIVbShB7mUe3gvFW5Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:41:27.373613Z"},"content_sha256":"bbf21770bf6881d5fb3fab1360cfea3b40887050ab865eaa99fab41ea690162a","schema_version":"1.0","event_id":"sha256:bbf21770bf6881d5fb3fab1360cfea3b40887050ab865eaa99fab41ea690162a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MUBRJJUKICANC574YMIOSOUL3B/bundle.json","state_url":"https://pith.science/pith/MUBRJJUKICANC574YMIOSOUL3B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MUBRJJUKICANC574YMIOSOUL3B/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":"2026-07-07T13:41:27Z","links":{"resolver":"https://pith.science/pith/MUBRJJUKICANC574YMIOSOUL3B","bundle":"https://pith.science/pith/MUBRJJUKICANC574YMIOSOUL3B/bundle.json","state":"https://pith.science/pith/MUBRJJUKICANC574YMIOSOUL3B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MUBRJJUKICANC574YMIOSOUL3B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:MUBRJJUKICANC574YMIOSOUL3B","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":"9fdbcb71e9fc970155a2050d0cae2867cc0fa5277f09cb1475084f4a54eff9d3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-04-01T18:08:10Z","title_canon_sha256":"052d716161fcf99191cfd6bfc0ec244ea5fa70a59be4321ebb9401baccf5ce8d"},"schema_version":"1.0","source":{"id":"2404.01396","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.01396","created_at":"2026-07-05T08:09:13Z"},{"alias_kind":"arxiv_version","alias_value":"2404.01396v2","created_at":"2026-07-05T08:09:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.01396","created_at":"2026-07-05T08:09:13Z"},{"alias_kind":"pith_short_12","alias_value":"MUBRJJUKICAN","created_at":"2026-07-05T08:09:13Z"},{"alias_kind":"pith_short_16","alias_value":"MUBRJJUKICANC574","created_at":"2026-07-05T08:09:13Z"},{"alias_kind":"pith_short_8","alias_value":"MUBRJJUK","created_at":"2026-07-05T08:09:13Z"}],"graph_snapshots":[{"event_id":"sha256:bbf21770bf6881d5fb3fab1360cfea3b40887050ab865eaa99fab41ea690162a","target":"graph","created_at":"2026-07-05T08:09:13Z","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/2404.01396/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In recent years, quantum algorithms have been proposed which use quantum phase estimation (QPE) coherently as a subroutine without measurement. In order to do this effectively, the routine must be able to distinguish eigenstates with success probability close to unity. In this paper, we provide the first systematic comparison between two approaches towards maximizing this success probability, one using the quantum singular value transform and the other leveraging window functions, which have been previously studied as priors of the phase value distribution. We find that the quantum singular va","authors_text":"Sean Greenaway, Sukin Sim, William Pol","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-04-01T18:08:10Z","title":"A case study against QSVT: assessment of quantum phase estimation improved by signal processing techniques"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.01396","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:b4c4c18eb94d964e6041bd977bf1314d5184779b87cd92287ff218efada2f560","target":"record","created_at":"2026-07-05T08:09:13Z","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":"9fdbcb71e9fc970155a2050d0cae2867cc0fa5277f09cb1475084f4a54eff9d3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-04-01T18:08:10Z","title_canon_sha256":"052d716161fcf99191cfd6bfc0ec244ea5fa70a59be4321ebb9401baccf5ce8d"},"schema_version":"1.0","source":{"id":"2404.01396","kind":"arxiv","version":2}},"canonical_sha256":"650314a68a4080d177fcc310e93a8bd87bf0bfc2e367133ef9a91d4fd1d62d3e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"650314a68a4080d177fcc310e93a8bd87bf0bfc2e367133ef9a91d4fd1d62d3e","first_computed_at":"2026-07-05T08:09:13.508964Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:09:13.508964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ADXgyA7ZbiOpFImcZen4z8+V7V2B2l9NAOniQ2gExWyMi3CoM03uBQA6ELOsfuuCRrS9nQ4O5ohN5tPzZCBwDw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:09:13.509435Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.01396","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b4c4c18eb94d964e6041bd977bf1314d5184779b87cd92287ff218efada2f560","sha256:bbf21770bf6881d5fb3fab1360cfea3b40887050ab865eaa99fab41ea690162a"],"state_sha256":"d7a75daf1b16fc43d69dc4bab8f49d4753fedaeeb906f82043761cf27932a315"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oFZ143heyUeNSFu8Hh4Kq+6DTLTUFArksURLDOeTO2OVBQGmfjum+nGImFZb2G1bI9AQJ/38HmiOyKbpeiFZCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:41:27.375911Z","bundle_sha256":"474ca4ff263cb3970be80f1cbd3c38a472e9832db1d5f194ee28737186f27b80"}}