{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:KFQESD42V7F4YFWPM57DG5PAJP","short_pith_number":"pith:KFQESD42","schema_version":"1.0","canonical_sha256":"5160490f9aafcbcc16cf677e3375e04bf8a9eb3b58d971ca092cb2c746af4a60","source":{"kind":"arxiv","id":"2602.19556","version":2},"attestation_state":"computed","paper":{"title":"Deterministic Ground State Preparation via Power-Cosine Filtering of Time Evolution Operators","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Jeongbin Jo","submitted_at":"2026-02-23T07:01:30Z","abstract_excerpt":"The deterministic preparation of quantum many-body ground states is essential for advanced quantum simulation, yet optimal algorithms often require prohibitive hardware resources. Here, we propose a highly efficient, non-variational protocol for ground state preparation using a Power-Cosine quantum signal processing (QSP) filter. By eschewing complex block-encoding techniques, our method directly utilizes coherent time-evolution operators controlled by a single ancillary qubit. The integration of mid-circuit measurement and reset (MCMR) drastically minimizes spatial overhead, translating itera"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2602.19556","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-02-23T07:01:30Z","cross_cats_sorted":[],"title_canon_sha256":"77318c0c27427aa100eceaa22ef7b994fdee128e7c9464be887bbe6bf64fdebb","abstract_canon_sha256":"b919e2a6a16a70d490d34f77d3272575839492e4b2df61c68a666332af1cb303"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-21T01:05:16.578455Z","signature_b64":"jJXScch5tATgQU7luMnaFa2fBHhi1Ww0zxbGYhCh655Ws9DMZI8x3AqHM8ZIHs6iLf4jem0EPZd+8fWZIsrQDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5160490f9aafcbcc16cf677e3375e04bf8a9eb3b58d971ca092cb2c746af4a60","last_reissued_at":"2026-05-21T01:05:16.577482Z","signature_status":"signed_v1","first_computed_at":"2026-05-21T01:05:16.577482Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Deterministic Ground State Preparation via Power-Cosine Filtering of Time Evolution Operators","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Jeongbin Jo","submitted_at":"2026-02-23T07:01:30Z","abstract_excerpt":"The deterministic preparation of quantum many-body ground states is essential for advanced quantum simulation, yet optimal algorithms often require prohibitive hardware resources. Here, we propose a highly efficient, non-variational protocol for ground state preparation using a Power-Cosine quantum signal processing (QSP) filter. By eschewing complex block-encoding techniques, our method directly utilizes coherent time-evolution operators controlled by a single ancillary qubit. The integration of mid-circuit measurement and reset (MCMR) drastically minimizes spatial overhead, translating itera"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.19556","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/2602.19556/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2602.19556","created_at":"2026-05-21T01:05:16.577622+00:00"},{"alias_kind":"arxiv_version","alias_value":"2602.19556v2","created_at":"2026-05-21T01:05:16.577622+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.19556","created_at":"2026-05-21T01:05:16.577622+00:00"},{"alias_kind":"pith_short_12","alias_value":"KFQESD42V7F4","created_at":"2026-05-21T01:05:16.577622+00:00"},{"alias_kind":"pith_short_16","alias_value":"KFQESD42V7F4YFWP","created_at":"2026-05-21T01:05:16.577622+00:00"},{"alias_kind":"pith_short_8","alias_value":"KFQESD42","created_at":"2026-05-21T01:05:16.577622+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/KFQESD42V7F4YFWPM57DG5PAJP","json":"https://pith.science/pith/KFQESD42V7F4YFWPM57DG5PAJP.json","graph_json":"https://pith.science/api/pith-number/KFQESD42V7F4YFWPM57DG5PAJP/graph.json","events_json":"https://pith.science/api/pith-number/KFQESD42V7F4YFWPM57DG5PAJP/events.json","paper":"https://pith.science/paper/KFQESD42"},"agent_actions":{"view_html":"https://pith.science/pith/KFQESD42V7F4YFWPM57DG5PAJP","download_json":"https://pith.science/pith/KFQESD42V7F4YFWPM57DG5PAJP.json","view_paper":"https://pith.science/paper/KFQESD42","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2602.19556&json=true","fetch_graph":"https://pith.science/api/pith-number/KFQESD42V7F4YFWPM57DG5PAJP/graph.json","fetch_events":"https://pith.science/api/pith-number/KFQESD42V7F4YFWPM57DG5PAJP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KFQESD42V7F4YFWPM57DG5PAJP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KFQESD42V7F4YFWPM57DG5PAJP/action/storage_attestation","attest_author":"https://pith.science/pith/KFQESD42V7F4YFWPM57DG5PAJP/action/author_attestation","sign_citation":"https://pith.science/pith/KFQESD42V7F4YFWPM57DG5PAJP/action/citation_signature","submit_replication":"https://pith.science/pith/KFQESD42V7F4YFWPM57DG5PAJP/action/replication_record"}},"created_at":"2026-05-21T01:05:16.577622+00:00","updated_at":"2026-05-21T01:05:16.577622+00:00"}