{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:KFQESD42V7F4YFWPM57DG5PAJP","short_pith_number":"pith:KFQESD42","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"},"canonical_sha256":"5160490f9aafcbcc16cf677e3375e04bf8a9eb3b58d971ca092cb2c746af4a60","source":{"kind":"arxiv","id":"2602.19556","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.19556","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"arxiv_version","alias_value":"2602.19556v2","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.19556","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"pith_short_12","alias_value":"KFQESD42V7F4","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"pith_short_16","alias_value":"KFQESD42V7F4YFWP","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"pith_short_8","alias_value":"KFQESD42","created_at":"2026-05-21T01:05:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:KFQESD42V7F4YFWPM57DG5PAJP","target":"record","payload":{"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"},"canonical_sha256":"5160490f9aafcbcc16cf677e3375e04bf8a9eb3b58d971ca092cb2c746af4a60","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"},"source_kind":"arxiv","source_id":"2602.19556","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":"2026-05-21T01:05:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MEto1dAEzy+48aRE1H2LS+92U7VTpfVI3BQGEAiBAdHti75bbnt3ANMyA7WDRmpWgtSp6VuIJjUXs443XeZuCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:19:34.008689Z"},"content_sha256":"3756205d971ef866271a179bf713f229cb9b0ba15bb3b8e0b909af484dc1cd62","schema_version":"1.0","event_id":"sha256:3756205d971ef866271a179bf713f229cb9b0ba15bb3b8e0b909af484dc1cd62"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:KFQESD42V7F4YFWPM57DG5PAJP","target":"graph","payload":{"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-21T01:05:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gv5SFaeBETGVGxwRJTVcSbWh8j7iOLoiXCqcUwuPqoqUZ3LBDWH64yIgHpttlVi3CV3WE9bqv6/ajE9T+DADBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:19:34.009073Z"},"content_sha256":"ad2ba36ea222e509564e2f23aebb216a0ff161aa6f58ebc1c983679404858a4f","schema_version":"1.0","event_id":"sha256:ad2ba36ea222e509564e2f23aebb216a0ff161aa6f58ebc1c983679404858a4f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KFQESD42V7F4YFWPM57DG5PAJP/bundle.json","state_url":"https://pith.science/pith/KFQESD42V7F4YFWPM57DG5PAJP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KFQESD42V7F4YFWPM57DG5PAJP/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":"2026-05-30T13:19:34Z","links":{"resolver":"https://pith.science/pith/KFQESD42V7F4YFWPM57DG5PAJP","bundle":"https://pith.science/pith/KFQESD42V7F4YFWPM57DG5PAJP/bundle.json","state":"https://pith.science/pith/KFQESD42V7F4YFWPM57DG5PAJP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KFQESD42V7F4YFWPM57DG5PAJP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:KFQESD42V7F4YFWPM57DG5PAJP","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":"b919e2a6a16a70d490d34f77d3272575839492e4b2df61c68a666332af1cb303","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-02-23T07:01:30Z","title_canon_sha256":"77318c0c27427aa100eceaa22ef7b994fdee128e7c9464be887bbe6bf64fdebb"},"schema_version":"1.0","source":{"id":"2602.19556","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.19556","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"arxiv_version","alias_value":"2602.19556v2","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.19556","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"pith_short_12","alias_value":"KFQESD42V7F4","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"pith_short_16","alias_value":"KFQESD42V7F4YFWP","created_at":"2026-05-21T01:05:16Z"},{"alias_kind":"pith_short_8","alias_value":"KFQESD42","created_at":"2026-05-21T01:05:16Z"}],"graph_snapshots":[{"event_id":"sha256:ad2ba36ea222e509564e2f23aebb216a0ff161aa6f58ebc1c983679404858a4f","target":"graph","created_at":"2026-05-21T01:05:16Z","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/2602.19556/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"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","authors_text":"Jeongbin Jo","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-02-23T07:01:30Z","title":"Deterministic Ground State Preparation via Power-Cosine Filtering of Time Evolution Operators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.19556","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":"sha256:3756205d971ef866271a179bf713f229cb9b0ba15bb3b8e0b909af484dc1cd62","target":"record","created_at":"2026-05-21T01:05:16Z","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":"b919e2a6a16a70d490d34f77d3272575839492e4b2df61c68a666332af1cb303","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-02-23T07:01:30Z","title_canon_sha256":"77318c0c27427aa100eceaa22ef7b994fdee128e7c9464be887bbe6bf64fdebb"},"schema_version":"1.0","source":{"id":"2602.19556","kind":"arxiv","version":2}},"canonical_sha256":"5160490f9aafcbcc16cf677e3375e04bf8a9eb3b58d971ca092cb2c746af4a60","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5160490f9aafcbcc16cf677e3375e04bf8a9eb3b58d971ca092cb2c746af4a60","first_computed_at":"2026-05-21T01:05:16.577482Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-21T01:05:16.577482Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jJXScch5tATgQU7luMnaFa2fBHhi1Ww0zxbGYhCh655Ws9DMZI8x3AqHM8ZIHs6iLf4jem0EPZd+8fWZIsrQDg==","signature_status":"signed_v1","signed_at":"2026-05-21T01:05:16.578455Z","signed_message":"canonical_sha256_bytes"},"source_id":"2602.19556","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3756205d971ef866271a179bf713f229cb9b0ba15bb3b8e0b909af484dc1cd62","sha256:ad2ba36ea222e509564e2f23aebb216a0ff161aa6f58ebc1c983679404858a4f"],"state_sha256":"e435fd6387624ce779e50c6f52a2d436142c535ad261782572f95e241af7bf74"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MyvUsu4sLPrkiKz9P4qKqfuLpKiWlMZWxTNTBpWpFtUbyA0TReLr4iEwDj+0dfWCmwxMsh8x2Gfvw5heNN5uCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T13:19:34.011715Z","bundle_sha256":"cce78105df8b2fc03f4deb50bcf6ecf46b2a1a73eb79bb4110d965485ca87279"}}