{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:Z5TOQKWCGQXUVNMC63AF45JXIO","short_pith_number":"pith:Z5TOQKWC","canonical_record":{"source":{"id":"2312.14786","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"quant-ph","submitted_at":"2023-12-22T15:59:03Z","cross_cats_sorted":[],"title_canon_sha256":"d2d378405b126dae41044854a53c08884535336df4a415195109f302e39e5e67","abstract_canon_sha256":"be70fd7fcc2e8e5d6ba2b0ecc9827851c888d44981a03b96f23496b5b5a3b4b3"},"schema_version":"1.0"},"canonical_sha256":"cf66e82ac2342f4ab582f6c05e753743b6f05c3c016fbef65d048f8d5818a6d7","source":{"kind":"arxiv","id":"2312.14786","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.14786","created_at":"2026-07-05T10:41:11Z"},{"alias_kind":"arxiv_version","alias_value":"2312.14786v3","created_at":"2026-07-05T10:41:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.14786","created_at":"2026-07-05T10:41:11Z"},{"alias_kind":"pith_short_12","alias_value":"Z5TOQKWCGQXU","created_at":"2026-07-05T10:41:11Z"},{"alias_kind":"pith_short_16","alias_value":"Z5TOQKWCGQXUVNMC","created_at":"2026-07-05T10:41:11Z"},{"alias_kind":"pith_short_8","alias_value":"Z5TOQKWC","created_at":"2026-07-05T10:41:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:Z5TOQKWCGQXUVNMC63AF45JXIO","target":"record","payload":{"canonical_record":{"source":{"id":"2312.14786","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"quant-ph","submitted_at":"2023-12-22T15:59:03Z","cross_cats_sorted":[],"title_canon_sha256":"d2d378405b126dae41044854a53c08884535336df4a415195109f302e39e5e67","abstract_canon_sha256":"be70fd7fcc2e8e5d6ba2b0ecc9827851c888d44981a03b96f23496b5b5a3b4b3"},"schema_version":"1.0"},"canonical_sha256":"cf66e82ac2342f4ab582f6c05e753743b6f05c3c016fbef65d048f8d5818a6d7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:41:11.278483Z","signature_b64":"NwBJgVVR7WcGfZ7XZSm/sJZmf7zpXs6cVo/Q69uKw9VBnRIDT13A1KqcV06Rb8aGLCuEF1MpLb4BI1qJPSpJBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cf66e82ac2342f4ab582f6c05e753743b6f05c3c016fbef65d048f8d5818a6d7","last_reissued_at":"2026-07-05T10:41:11.277827Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:41:11.277827Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2312.14786","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":"2026-07-05T10:41:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wj1qcLLhJ1rMa0spkAM/U8AfeYS9gP1Nz52OSHtYe7RSGncnUMZCLn1bKzrHvLnrhmQNlnroZW5YRo8+pdwxCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T16:06:23.869172Z"},"content_sha256":"1aa99860961f2caf993ac457ae024b38c1aeaf8cab61a84e92c05be0ef0f686f","schema_version":"1.0","event_id":"sha256:1aa99860961f2caf993ac457ae024b38c1aeaf8cab61a84e92c05be0ef0f686f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:Z5TOQKWCGQXUVNMC63AF45JXIO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Improved Quantum Algorithms for Eigenvalues Finding and Gradient Descent","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Nhat A. Nghiem, Tzu-Chieh Wei","submitted_at":"2023-12-22T15:59:03Z","abstract_excerpt":"Block encoding is a key ingredient in the recently developed quantum singular value transformation (QSVT) framework, which provides a unifying description for many quantum algorithms. Initially introduced to simplify and optimize resource utilization in various problems, such as searching, amplitude estimation, and Hamiltonian simulation, it is reasonable to expect that the capabilities of QSVT extend beyond these applications and offer untapped potential for designing new quantum algorithms. In this article, we affirm this perspective by leveraging block encoding to substantially enhance two "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.14786","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2312.14786/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":"2026-07-05T10:41:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"df30T421wQXWDdD59mg8crbTdfgAWczWNN3IoWPbGLGdUqp7QpGeYJ6fXlTCvZMYSu20ZgS56SxR79rIg9SGDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T16:06:23.869684Z"},"content_sha256":"b493a5b0b238d70fbf384ab6c73820e96eb6405e5296a78f22af99475c91c633","schema_version":"1.0","event_id":"sha256:b493a5b0b238d70fbf384ab6c73820e96eb6405e5296a78f22af99475c91c633"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z5TOQKWCGQXUVNMC63AF45JXIO/bundle.json","state_url":"https://pith.science/pith/Z5TOQKWCGQXUVNMC63AF45JXIO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z5TOQKWCGQXUVNMC63AF45JXIO/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":"2026-08-11T16:06:23Z","links":{"resolver":"https://pith.science/pith/Z5TOQKWCGQXUVNMC63AF45JXIO","bundle":"https://pith.science/pith/Z5TOQKWCGQXUVNMC63AF45JXIO/bundle.json","state":"https://pith.science/pith/Z5TOQKWCGQXUVNMC63AF45JXIO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z5TOQKWCGQXUVNMC63AF45JXIO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:Z5TOQKWCGQXUVNMC63AF45JXIO","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":"be70fd7fcc2e8e5d6ba2b0ecc9827851c888d44981a03b96f23496b5b5a3b4b3","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"quant-ph","submitted_at":"2023-12-22T15:59:03Z","title_canon_sha256":"d2d378405b126dae41044854a53c08884535336df4a415195109f302e39e5e67"},"schema_version":"1.0","source":{"id":"2312.14786","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.14786","created_at":"2026-07-05T10:41:11Z"},{"alias_kind":"arxiv_version","alias_value":"2312.14786v3","created_at":"2026-07-05T10:41:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.14786","created_at":"2026-07-05T10:41:11Z"},{"alias_kind":"pith_short_12","alias_value":"Z5TOQKWCGQXU","created_at":"2026-07-05T10:41:11Z"},{"alias_kind":"pith_short_16","alias_value":"Z5TOQKWCGQXUVNMC","created_at":"2026-07-05T10:41:11Z"},{"alias_kind":"pith_short_8","alias_value":"Z5TOQKWC","created_at":"2026-07-05T10:41:11Z"}],"graph_snapshots":[{"event_id":"sha256:b493a5b0b238d70fbf384ab6c73820e96eb6405e5296a78f22af99475c91c633","target":"graph","created_at":"2026-07-05T10:41:11Z","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/2312.14786/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Block encoding is a key ingredient in the recently developed quantum singular value transformation (QSVT) framework, which provides a unifying description for many quantum algorithms. Initially introduced to simplify and optimize resource utilization in various problems, such as searching, amplitude estimation, and Hamiltonian simulation, it is reasonable to expect that the capabilities of QSVT extend beyond these applications and offer untapped potential for designing new quantum algorithms. In this article, we affirm this perspective by leveraging block encoding to substantially enhance two ","authors_text":"Nhat A. Nghiem, Tzu-Chieh Wei","cross_cats":[],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"quant-ph","submitted_at":"2023-12-22T15:59:03Z","title":"Improved Quantum Algorithms for Eigenvalues Finding and Gradient Descent"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.14786","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":"sha256:1aa99860961f2caf993ac457ae024b38c1aeaf8cab61a84e92c05be0ef0f686f","target":"record","created_at":"2026-07-05T10:41:11Z","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":"be70fd7fcc2e8e5d6ba2b0ecc9827851c888d44981a03b96f23496b5b5a3b4b3","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"quant-ph","submitted_at":"2023-12-22T15:59:03Z","title_canon_sha256":"d2d378405b126dae41044854a53c08884535336df4a415195109f302e39e5e67"},"schema_version":"1.0","source":{"id":"2312.14786","kind":"arxiv","version":3}},"canonical_sha256":"cf66e82ac2342f4ab582f6c05e753743b6f05c3c016fbef65d048f8d5818a6d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cf66e82ac2342f4ab582f6c05e753743b6f05c3c016fbef65d048f8d5818a6d7","first_computed_at":"2026-07-05T10:41:11.277827Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:41:11.277827Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NwBJgVVR7WcGfZ7XZSm/sJZmf7zpXs6cVo/Q69uKw9VBnRIDT13A1KqcV06Rb8aGLCuEF1MpLb4BI1qJPSpJBA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:41:11.278483Z","signed_message":"canonical_sha256_bytes"},"source_id":"2312.14786","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1aa99860961f2caf993ac457ae024b38c1aeaf8cab61a84e92c05be0ef0f686f","sha256:b493a5b0b238d70fbf384ab6c73820e96eb6405e5296a78f22af99475c91c633"],"state_sha256":"9d01509941b8ea8547b5cda07952691093ea97a4f7d5fd468ad51d2b6702f604"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B93U/44DvRGlsib+0zvrW1lLIPjuTsUYiu7p/Pv8NQTrQUal7zmpYn0aXYKK4nd73pqAezR162xGO8RbFqRSCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T16:06:23.875563Z","bundle_sha256":"5fece250eea61613d0797b7fca7890515c7c7839d51e27704ceedcc8e769f6ad"}}