{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:TBTCU2LVN2Q7AD6CYGBIFYBCB7","short_pith_number":"pith:TBTCU2LV","schema_version":"1.0","canonical_sha256":"98662a69756ea1f00fc2c18282e0220fc7a02dba2af1af94f715ea58ccf8ca2f","source":{"kind":"arxiv","id":"2605.30967","version":1},"attestation_state":"computed","paper":{"title":"Evaluating higher-order product formulae for molecular ground-state energy estimation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Hiromu Abe, Keita Kanno, Kosuke Mitarai, Masahiko Kamoshita, Ryosuke Kimura","submitted_at":"2026-05-29T08:03:52Z","abstract_excerpt":"We evaluate deterministic higher-order product formulae for molecular ground-state energy estimation. Motivated by recent fault-tolerant architectures in which non-Clifford operations may be generated more locally and cheaply than in conventional assumptions, we re-examine such formulae as practical candidates for quantum chemistry. Using one-dimensional hydrogen chains from $\\mathrm{H}_2$ to $\\mathrm{H}_{15}$ as benchmarks, we estimate both the total gate count and the depth of $R_Z$-rotation layers required to reach a target energy error. To make this comparison feasible at larger system siz"},"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":"2605.30967","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-05-29T08:03:52Z","cross_cats_sorted":[],"title_canon_sha256":"b61cfffb6571ac1d93ffeffdd3b80092464585df74fe86419f87621f20fdb685","abstract_canon_sha256":"9d7898ab49a4a52f436422a5ab196c3b0f6623ca181eecd2354ecc0b2ad11c67"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-01T01:03:27.849385Z","signature_b64":"HgZisCJxYNat7+rSeXdXPQ+yP7oJGKcHk24CT1hddRt509bg/8ocPUCc3V5921xAlRpmyo4teu2SQySY0bxhDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"98662a69756ea1f00fc2c18282e0220fc7a02dba2af1af94f715ea58ccf8ca2f","last_reissued_at":"2026-06-01T01:03:27.848748Z","signature_status":"signed_v1","first_computed_at":"2026-06-01T01:03:27.848748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evaluating higher-order product formulae for molecular ground-state energy estimation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Hiromu Abe, Keita Kanno, Kosuke Mitarai, Masahiko Kamoshita, Ryosuke Kimura","submitted_at":"2026-05-29T08:03:52Z","abstract_excerpt":"We evaluate deterministic higher-order product formulae for molecular ground-state energy estimation. Motivated by recent fault-tolerant architectures in which non-Clifford operations may be generated more locally and cheaply than in conventional assumptions, we re-examine such formulae as practical candidates for quantum chemistry. Using one-dimensional hydrogen chains from $\\mathrm{H}_2$ to $\\mathrm{H}_{15}$ as benchmarks, we estimate both the total gate count and the depth of $R_Z$-rotation layers required to reach a target energy error. To make this comparison feasible at larger system siz"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.30967","kind":"arxiv","version":1},"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/2605.30967/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":"2605.30967","created_at":"2026-06-01T01:03:27.848813+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.30967v1","created_at":"2026-06-01T01:03:27.848813+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.30967","created_at":"2026-06-01T01:03:27.848813+00:00"},{"alias_kind":"pith_short_12","alias_value":"TBTCU2LVN2Q7","created_at":"2026-06-01T01:03:27.848813+00:00"},{"alias_kind":"pith_short_16","alias_value":"TBTCU2LVN2Q7AD6C","created_at":"2026-06-01T01:03:27.848813+00:00"},{"alias_kind":"pith_short_8","alias_value":"TBTCU2LV","created_at":"2026-06-01T01:03:27.848813+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/TBTCU2LVN2Q7AD6CYGBIFYBCB7","json":"https://pith.science/pith/TBTCU2LVN2Q7AD6CYGBIFYBCB7.json","graph_json":"https://pith.science/api/pith-number/TBTCU2LVN2Q7AD6CYGBIFYBCB7/graph.json","events_json":"https://pith.science/api/pith-number/TBTCU2LVN2Q7AD6CYGBIFYBCB7/events.json","paper":"https://pith.science/paper/TBTCU2LV"},"agent_actions":{"view_html":"https://pith.science/pith/TBTCU2LVN2Q7AD6CYGBIFYBCB7","download_json":"https://pith.science/pith/TBTCU2LVN2Q7AD6CYGBIFYBCB7.json","view_paper":"https://pith.science/paper/TBTCU2LV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.30967&json=true","fetch_graph":"https://pith.science/api/pith-number/TBTCU2LVN2Q7AD6CYGBIFYBCB7/graph.json","fetch_events":"https://pith.science/api/pith-number/TBTCU2LVN2Q7AD6CYGBIFYBCB7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TBTCU2LVN2Q7AD6CYGBIFYBCB7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TBTCU2LVN2Q7AD6CYGBIFYBCB7/action/storage_attestation","attest_author":"https://pith.science/pith/TBTCU2LVN2Q7AD6CYGBIFYBCB7/action/author_attestation","sign_citation":"https://pith.science/pith/TBTCU2LVN2Q7AD6CYGBIFYBCB7/action/citation_signature","submit_replication":"https://pith.science/pith/TBTCU2LVN2Q7AD6CYGBIFYBCB7/action/replication_record"}},"created_at":"2026-06-01T01:03:27.848813+00:00","updated_at":"2026-06-01T01:03:27.848813+00:00"}