{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:OKPU4S4WTNMKLLYZC6ABUIY6IY","short_pith_number":"pith:OKPU4S4W","canonical_record":{"source":{"id":"2206.00802","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-06-02T00:02:11Z","cross_cats_sorted":[],"title_canon_sha256":"b562035a6042dd65cafae45c7f30be1c49c3152de5b82cbbe963329c424f3e0d","abstract_canon_sha256":"481ec04391857bc39e33653d0d9e359ba1c4839c930670bb1fe618366c45bded"},"schema_version":"1.0"},"canonical_sha256":"729f4e4b969b58a5af1917801a231e460dd0e196187be24d213a9a40e894126d","source":{"kind":"arxiv","id":"2206.00802","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.00802","created_at":"2026-07-05T04:28:33Z"},{"alias_kind":"arxiv_version","alias_value":"2206.00802v1","created_at":"2026-07-05T04:28:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.00802","created_at":"2026-07-05T04:28:33Z"},{"alias_kind":"pith_short_12","alias_value":"OKPU4S4WTNMK","created_at":"2026-07-05T04:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"OKPU4S4WTNMKLLYZ","created_at":"2026-07-05T04:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"OKPU4S4W","created_at":"2026-07-05T04:28:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:OKPU4S4WTNMKLLYZC6ABUIY6IY","target":"record","payload":{"canonical_record":{"source":{"id":"2206.00802","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-06-02T00:02:11Z","cross_cats_sorted":[],"title_canon_sha256":"b562035a6042dd65cafae45c7f30be1c49c3152de5b82cbbe963329c424f3e0d","abstract_canon_sha256":"481ec04391857bc39e33653d0d9e359ba1c4839c930670bb1fe618366c45bded"},"schema_version":"1.0"},"canonical_sha256":"729f4e4b969b58a5af1917801a231e460dd0e196187be24d213a9a40e894126d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:28:33.898900Z","signature_b64":"1s09Mft2r/b1OwCcrYtyWx43RYLyZd7buRkBqnTNGzHMaoIHWglxxJFE+0phqHv0g7w11B/sKWr70xSxQClHDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"729f4e4b969b58a5af1917801a231e460dd0e196187be24d213a9a40e894126d","last_reissued_at":"2026-07-05T04:28:33.898496Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:28:33.898496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2206.00802","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:28:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X/U1ZJOKj+/xs1S4t8VOFndS6s+QA17MOQNxKGjM+g0bCssL3cyAuE9HNn3IJXTdYOcl3xWh5ZzrsbsIykm3DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T13:40:45.144903Z"},"content_sha256":"badf056dc89f4d09cb1d9621364aee017a58f3439b6b4f7e07c7d0fab12d2774","schema_version":"1.0","event_id":"sha256:badf056dc89f4d09cb1d9621364aee017a58f3439b6b4f7e07c7d0fab12d2774"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:OKPU4S4WTNMKLLYZC6ABUIY6IY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimized Quantum Phase Estimation for Simulating Electronic States in Various Energy Regimes","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Christopher Kang, Karol Kowalski, Nicholas P. Bauman, Sriram Krishnamoorthy","submitted_at":"2022-06-02T00:02:11Z","abstract_excerpt":"While quantum algorithms for simulation exhibit better asymptotic scaling than their classical counterparts, they currently cannot be implemented on real-world devices. Instead, chemists and computer scientists rely on costly classical simulations of these quantum algorithms. In particular, the quantum phase estimation (QPE) algorithm is among several approaches that have attracted much attention in recent years for its genuine quantum character. However, it is memory-intensive to simulate and intractable for moderate system sizes. This paper discusses the performance and applicability of QPES"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.00802","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/2206.00802/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":"2026-07-05T04:28:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sAbpPWLucrEa2OT1z+hbcfVFTmYa/rH7mCRaNTs/J7dlSbSvPBy1XXsBMLZ+njbnaKYUxMWlxoPFkuGarIrgDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T13:40:45.145530Z"},"content_sha256":"d3d60ff560afe5bb47b2532b04dafce9e23aa10d11e9db07197b526a686fbe79","schema_version":"1.0","event_id":"sha256:d3d60ff560afe5bb47b2532b04dafce9e23aa10d11e9db07197b526a686fbe79"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OKPU4S4WTNMKLLYZC6ABUIY6IY/bundle.json","state_url":"https://pith.science/pith/OKPU4S4WTNMKLLYZC6ABUIY6IY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OKPU4S4WTNMKLLYZC6ABUIY6IY/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":"2026-08-04T13:40:45Z","links":{"resolver":"https://pith.science/pith/OKPU4S4WTNMKLLYZC6ABUIY6IY","bundle":"https://pith.science/pith/OKPU4S4WTNMKLLYZC6ABUIY6IY/bundle.json","state":"https://pith.science/pith/OKPU4S4WTNMKLLYZC6ABUIY6IY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OKPU4S4WTNMKLLYZC6ABUIY6IY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:OKPU4S4WTNMKLLYZC6ABUIY6IY","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":"481ec04391857bc39e33653d0d9e359ba1c4839c930670bb1fe618366c45bded","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-06-02T00:02:11Z","title_canon_sha256":"b562035a6042dd65cafae45c7f30be1c49c3152de5b82cbbe963329c424f3e0d"},"schema_version":"1.0","source":{"id":"2206.00802","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.00802","created_at":"2026-07-05T04:28:33Z"},{"alias_kind":"arxiv_version","alias_value":"2206.00802v1","created_at":"2026-07-05T04:28:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.00802","created_at":"2026-07-05T04:28:33Z"},{"alias_kind":"pith_short_12","alias_value":"OKPU4S4WTNMK","created_at":"2026-07-05T04:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"OKPU4S4WTNMKLLYZ","created_at":"2026-07-05T04:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"OKPU4S4W","created_at":"2026-07-05T04:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:d3d60ff560afe5bb47b2532b04dafce9e23aa10d11e9db07197b526a686fbe79","target":"graph","created_at":"2026-07-05T04:28:33Z","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/2206.00802/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"While quantum algorithms for simulation exhibit better asymptotic scaling than their classical counterparts, they currently cannot be implemented on real-world devices. Instead, chemists and computer scientists rely on costly classical simulations of these quantum algorithms. In particular, the quantum phase estimation (QPE) algorithm is among several approaches that have attracted much attention in recent years for its genuine quantum character. However, it is memory-intensive to simulate and intractable for moderate system sizes. This paper discusses the performance and applicability of QPES","authors_text":"Christopher Kang, Karol Kowalski, Nicholas P. Bauman, Sriram Krishnamoorthy","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-06-02T00:02:11Z","title":"Optimized Quantum Phase Estimation for Simulating Electronic States in Various Energy Regimes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.00802","kind":"arxiv","version":1},"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:badf056dc89f4d09cb1d9621364aee017a58f3439b6b4f7e07c7d0fab12d2774","target":"record","created_at":"2026-07-05T04:28:33Z","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":"481ec04391857bc39e33653d0d9e359ba1c4839c930670bb1fe618366c45bded","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-06-02T00:02:11Z","title_canon_sha256":"b562035a6042dd65cafae45c7f30be1c49c3152de5b82cbbe963329c424f3e0d"},"schema_version":"1.0","source":{"id":"2206.00802","kind":"arxiv","version":1}},"canonical_sha256":"729f4e4b969b58a5af1917801a231e460dd0e196187be24d213a9a40e894126d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"729f4e4b969b58a5af1917801a231e460dd0e196187be24d213a9a40e894126d","first_computed_at":"2026-07-05T04:28:33.898496Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:28:33.898496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1s09Mft2r/b1OwCcrYtyWx43RYLyZd7buRkBqnTNGzHMaoIHWglxxJFE+0phqHv0g7w11B/sKWr70xSxQClHDg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:28:33.898900Z","signed_message":"canonical_sha256_bytes"},"source_id":"2206.00802","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:badf056dc89f4d09cb1d9621364aee017a58f3439b6b4f7e07c7d0fab12d2774","sha256:d3d60ff560afe5bb47b2532b04dafce9e23aa10d11e9db07197b526a686fbe79"],"state_sha256":"eca93ce66805938744d2da5c6c1c027f608af7d23bcb1de0bd192844b3a2a012"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RVZMUjeNiBJZgExwOse8/lRnWX6N0Ah0fRQi2zT6yWS7acF2vM2IZ7777bQY+ajcl9CMfhdN9duvmDwrPZ9+Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T13:40:45.149144Z","bundle_sha256":"45549bf8d0e33254f30cc06a745221aeb80bf746582c80c747e010cde64318c5"}}