{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:5X6MHQYGAFWW5ZOMMQ4PJIWR24","short_pith_number":"pith:5X6MHQYG","canonical_record":{"source":{"id":"2505.00697","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-05-01T17:57:19Z","cross_cats_sorted":[],"title_canon_sha256":"9a3dbcaa0f62aac21e98d59dddc366042e6b8721747b10ae08aac4312994ee95","abstract_canon_sha256":"7bf1927c3e05998a9999b62ba3e37b4d7445b0147c49c3675bd2e99b53aa1b64"},"schema_version":"1.0"},"canonical_sha256":"edfcc3c306016d6ee5cc6438f4a2d1d732e2b09c807fc1e34b7761334cc4fec5","source":{"kind":"arxiv","id":"2505.00697","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.00697","created_at":"2026-06-24T01:14:20Z"},{"alias_kind":"arxiv_version","alias_value":"2505.00697v2","created_at":"2026-06-24T01:14:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.00697","created_at":"2026-06-24T01:14:20Z"},{"alias_kind":"pith_short_12","alias_value":"5X6MHQYGAFWW","created_at":"2026-06-24T01:14:20Z"},{"alias_kind":"pith_short_16","alias_value":"5X6MHQYGAFWW5ZOM","created_at":"2026-06-24T01:14:20Z"},{"alias_kind":"pith_short_8","alias_value":"5X6MHQYG","created_at":"2026-06-24T01:14:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:5X6MHQYGAFWW5ZOMMQ4PJIWR24","target":"record","payload":{"canonical_record":{"source":{"id":"2505.00697","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-05-01T17:57:19Z","cross_cats_sorted":[],"title_canon_sha256":"9a3dbcaa0f62aac21e98d59dddc366042e6b8721747b10ae08aac4312994ee95","abstract_canon_sha256":"7bf1927c3e05998a9999b62ba3e37b4d7445b0147c49c3675bd2e99b53aa1b64"},"schema_version":"1.0"},"canonical_sha256":"edfcc3c306016d6ee5cc6438f4a2d1d732e2b09c807fc1e34b7761334cc4fec5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-24T01:14:20.190094Z","signature_b64":"mtr3kkTF6qhfyQ/1n9VFw9e073DsZwtuVVFaA+VVW1StUje3VfYas1AvsBDC1GjO7rBaUrdrF+eQCBONnWa1Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"edfcc3c306016d6ee5cc6438f4a2d1d732e2b09c807fc1e34b7761334cc4fec5","last_reissued_at":"2026-06-24T01:14:20.189629Z","signature_status":"signed_v1","first_computed_at":"2026-06-24T01:14:20.189629Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.00697","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":"2026-06-24T01:14:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E+cQGJFniBUxrVH7hsiUmM2943pgVbH7R5LqwIE6tohDHeBEN618tQKgB1+/z0xPfrQzPSOyjgt6aLfdWYw1DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T17:44:34.371714Z"},"content_sha256":"d5c94418a067dedbf0e1674b7215bb36830074fa1c722df6f2696c2851161698","schema_version":"1.0","event_id":"sha256:d5c94418a067dedbf0e1674b7215bb36830074fa1c722df6f2696c2851161698"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:5X6MHQYGAFWW5ZOMMQ4PJIWR24","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Faster Quantum Algorithm for Multiple Observables Estimation in Fermionic Problems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Kaito Wada, Nobuyuki Yoshioka, Wataru Mizukami, Yuki Koizumi","submitted_at":"2025-05-01T17:57:19Z","abstract_excerpt":"Achieving quantum advantage in efficiently estimating collective properties of quantum many-body systems remains a fundamental goal in quantum computing. While the quantum gradient estimation (QGE) algorithm has been shown to achieve doubly quantum enhancement in the precision and the number of observables, it remains unclear whether one benefits in practical applications. In this work, we present a generalized framework of adaptive QGE algorithm, and further propose two variants which enable us to estimate the collective properties of fermionic systems using the smallest cost among existing q"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.00697","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/2505.00697/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":"2026-06-24T01:14:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6n+sVY3/G461qcXp86ALCBf6VTR2xjiyMeZ4Ja7glXfrq9qpZ4QoEW9wPK1LSYOCUGIQU9tbysc1H6rMGnHxBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T17:44:34.372091Z"},"content_sha256":"c9a7e00dcd0f59f61cf999a7192184e1596577758c8edd63d72dcdfa4b08096a","schema_version":"1.0","event_id":"sha256:c9a7e00dcd0f59f61cf999a7192184e1596577758c8edd63d72dcdfa4b08096a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5X6MHQYGAFWW5ZOMMQ4PJIWR24/bundle.json","state_url":"https://pith.science/pith/5X6MHQYGAFWW5ZOMMQ4PJIWR24/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5X6MHQYGAFWW5ZOMMQ4PJIWR24/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":"2026-06-24T17:44:34Z","links":{"resolver":"https://pith.science/pith/5X6MHQYGAFWW5ZOMMQ4PJIWR24","bundle":"https://pith.science/pith/5X6MHQYGAFWW5ZOMMQ4PJIWR24/bundle.json","state":"https://pith.science/pith/5X6MHQYGAFWW5ZOMMQ4PJIWR24/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5X6MHQYGAFWW5ZOMMQ4PJIWR24/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:5X6MHQYGAFWW5ZOMMQ4PJIWR24","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":"7bf1927c3e05998a9999b62ba3e37b4d7445b0147c49c3675bd2e99b53aa1b64","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-05-01T17:57:19Z","title_canon_sha256":"9a3dbcaa0f62aac21e98d59dddc366042e6b8721747b10ae08aac4312994ee95"},"schema_version":"1.0","source":{"id":"2505.00697","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.00697","created_at":"2026-06-24T01:14:20Z"},{"alias_kind":"arxiv_version","alias_value":"2505.00697v2","created_at":"2026-06-24T01:14:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.00697","created_at":"2026-06-24T01:14:20Z"},{"alias_kind":"pith_short_12","alias_value":"5X6MHQYGAFWW","created_at":"2026-06-24T01:14:20Z"},{"alias_kind":"pith_short_16","alias_value":"5X6MHQYGAFWW5ZOM","created_at":"2026-06-24T01:14:20Z"},{"alias_kind":"pith_short_8","alias_value":"5X6MHQYG","created_at":"2026-06-24T01:14:20Z"}],"graph_snapshots":[{"event_id":"sha256:c9a7e00dcd0f59f61cf999a7192184e1596577758c8edd63d72dcdfa4b08096a","target":"graph","created_at":"2026-06-24T01:14:20Z","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/2505.00697/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Achieving quantum advantage in efficiently estimating collective properties of quantum many-body systems remains a fundamental goal in quantum computing. While the quantum gradient estimation (QGE) algorithm has been shown to achieve doubly quantum enhancement in the precision and the number of observables, it remains unclear whether one benefits in practical applications. In this work, we present a generalized framework of adaptive QGE algorithm, and further propose two variants which enable us to estimate the collective properties of fermionic systems using the smallest cost among existing q","authors_text":"Kaito Wada, Nobuyuki Yoshioka, Wataru Mizukami, Yuki Koizumi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-05-01T17:57:19Z","title":"Faster Quantum Algorithm for Multiple Observables Estimation in Fermionic Problems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.00697","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:d5c94418a067dedbf0e1674b7215bb36830074fa1c722df6f2696c2851161698","target":"record","created_at":"2026-06-24T01:14:20Z","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":"7bf1927c3e05998a9999b62ba3e37b4d7445b0147c49c3675bd2e99b53aa1b64","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-05-01T17:57:19Z","title_canon_sha256":"9a3dbcaa0f62aac21e98d59dddc366042e6b8721747b10ae08aac4312994ee95"},"schema_version":"1.0","source":{"id":"2505.00697","kind":"arxiv","version":2}},"canonical_sha256":"edfcc3c306016d6ee5cc6438f4a2d1d732e2b09c807fc1e34b7761334cc4fec5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"edfcc3c306016d6ee5cc6438f4a2d1d732e2b09c807fc1e34b7761334cc4fec5","first_computed_at":"2026-06-24T01:14:20.189629Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-24T01:14:20.189629Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mtr3kkTF6qhfyQ/1n9VFw9e073DsZwtuVVFaA+VVW1StUje3VfYas1AvsBDC1GjO7rBaUrdrF+eQCBONnWa1Aw==","signature_status":"signed_v1","signed_at":"2026-06-24T01:14:20.190094Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.00697","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d5c94418a067dedbf0e1674b7215bb36830074fa1c722df6f2696c2851161698","sha256:c9a7e00dcd0f59f61cf999a7192184e1596577758c8edd63d72dcdfa4b08096a"],"state_sha256":"3c4c0c8c9e86cc1b5fed9d9681cd2d0c5238c987f40c4ca760da0ce5f9270a59"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6xHB5QDP5SEDGkuCEd/ijEyDUch7mhkkAR0zh0XBrDVE/n4r+aCgOPlKfxMmRzxSMqX66xisK1ADY6/kT/4dDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T17:44:34.374129Z","bundle_sha256":"ccd6de75cbce776cb4ba7a2bad829f933ade2cc89e546413e974f6bace3ad64c"}}