{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:VTZ6FKARUT5WRSTVODCOLE5OT4","short_pith_number":"pith:VTZ6FKAR","canonical_record":{"source":{"id":"2302.04919","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-02-09T20:21:17Z","cross_cats_sorted":["cond-mat.str-el","physics.comp-ph"],"title_canon_sha256":"39210052e8166cf52320ed957a1fc8db803dd8ba19fd4a0a1ad4ed60cabc6a56","abstract_canon_sha256":"62ff4071e9edb91ee11e98b08585b708d477c10347fb3fcea9cfac9ef75ba091"},"schema_version":"1.0"},"canonical_sha256":"acf3e2a811a4fb68ca7570c4e593ae9f386c4efbb9bb7e01ad2a388758ca333a","source":{"kind":"arxiv","id":"2302.04919","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.04919","created_at":"2026-07-05T09:23:42Z"},{"alias_kind":"arxiv_version","alias_value":"2302.04919v2","created_at":"2026-07-05T09:23:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.04919","created_at":"2026-07-05T09:23:42Z"},{"alias_kind":"pith_short_12","alias_value":"VTZ6FKARUT5W","created_at":"2026-07-05T09:23:42Z"},{"alias_kind":"pith_short_16","alias_value":"VTZ6FKARUT5WRSTV","created_at":"2026-07-05T09:23:42Z"},{"alias_kind":"pith_short_8","alias_value":"VTZ6FKAR","created_at":"2026-07-05T09:23:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:VTZ6FKARUT5WRSTVODCOLE5OT4","target":"record","payload":{"canonical_record":{"source":{"id":"2302.04919","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-02-09T20:21:17Z","cross_cats_sorted":["cond-mat.str-el","physics.comp-ph"],"title_canon_sha256":"39210052e8166cf52320ed957a1fc8db803dd8ba19fd4a0a1ad4ed60cabc6a56","abstract_canon_sha256":"62ff4071e9edb91ee11e98b08585b708d477c10347fb3fcea9cfac9ef75ba091"},"schema_version":"1.0"},"canonical_sha256":"acf3e2a811a4fb68ca7570c4e593ae9f386c4efbb9bb7e01ad2a388758ca333a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:23:42.890823Z","signature_b64":"tJB8OrRYLS6kVGeuD/FZEqfsmFkqCNjfAMR5fq8ltjGrFVMT4ziqwOxnDd4C/kdpJfPh8tCq30JAAS3RwYUSDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"acf3e2a811a4fb68ca7570c4e593ae9f386c4efbb9bb7e01ad2a388758ca333a","last_reissued_at":"2026-07-05T09:23:42.890368Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:23:42.890368Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.04919","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":"2026-07-05T09:23:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rC9ZfpjqbWqZGGC9D3En63Mbwf5fXwoHDtTmKQzqtFjsNO5ln4oU4kKsX1xA0PL4nCAO+0hgoLlNUMiBfxy2Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:21:10.588974Z"},"content_sha256":"63810cfb6d2719315f16d366d0ecb996ff424e9e14fa55054877a7164baa249d","schema_version":"1.0","event_id":"sha256:63810cfb6d2719315f16d366d0ecb996ff424e9e14fa55054877a7164baa249d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:VTZ6FKARUT5WRSTVODCOLE5OT4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Variational Benchmarks for Quantum Many-Body Problems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el","physics.comp-ph"],"primary_cat":"quant-ph","authors_text":"Alexander Wietek, Andreas M. L\\\"auchli, Andrew Millis, Antoine Georges, Antonio Mezzacapo, Dian Wu, Federico Becca, Filippo Vicentini, Francesco Ferrari, Giuseppe Carleo, Guglielmo Mazzola, Imelda Romero, Jannes Nys, Javier Robledo Moreno, J. Maxwell Silvester, Juan Carrasquilla, Lei Wang, Luca F. Tocchio, Masatoshi Imada, Michael Schmid, Mohamed Hibat-Allah, Nikita Astrakhantsev, Olivier Parcollet, Qi Yang, Riccardo Rossi, Rico Pohle, Sandro Sorella, Shiwei Zhang, Steven R. White, Titus Neupert, Xiaodong Cao, Yiqi Yang, Yusuke Nomura","submitted_at":"2023-02-09T20:21:17Z","abstract_excerpt":"The continued development of computational approaches to many-body ground-state problems in physics and chemistry calls for a consistent way to assess its overall progress. In this work, we introduce a metric of variational accuracy, the V-score, obtained from the variational energy and its variance. We provide an extensive curated dataset of variational calculations of many-body quantum systems, identifying cases where state-of-the-art numerical approaches show limited accuracy, and future algorithms or computational platforms, such as quantum computing, could provide improved accuracy. The V"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.04919","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/2302.04919/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":"2026-07-05T09:23:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0SQHuDfdyz7W6WXPJHwm6BpuZ5j2yX057BmVJjq0FRUebB2xt5RQkSdMNGKV1/jI6WNPIA+upNApJZ9WcClvDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:21:10.589475Z"},"content_sha256":"9910787a0792687fbadd5f1edc0b46b1ab875cc9899046061e4ca2c0d8d36225","schema_version":"1.0","event_id":"sha256:9910787a0792687fbadd5f1edc0b46b1ab875cc9899046061e4ca2c0d8d36225"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VTZ6FKARUT5WRSTVODCOLE5OT4/bundle.json","state_url":"https://pith.science/pith/VTZ6FKARUT5WRSTVODCOLE5OT4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VTZ6FKARUT5WRSTVODCOLE5OT4/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":"2026-08-04T21:21:10Z","links":{"resolver":"https://pith.science/pith/VTZ6FKARUT5WRSTVODCOLE5OT4","bundle":"https://pith.science/pith/VTZ6FKARUT5WRSTVODCOLE5OT4/bundle.json","state":"https://pith.science/pith/VTZ6FKARUT5WRSTVODCOLE5OT4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VTZ6FKARUT5WRSTVODCOLE5OT4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:VTZ6FKARUT5WRSTVODCOLE5OT4","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":"62ff4071e9edb91ee11e98b08585b708d477c10347fb3fcea9cfac9ef75ba091","cross_cats_sorted":["cond-mat.str-el","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-02-09T20:21:17Z","title_canon_sha256":"39210052e8166cf52320ed957a1fc8db803dd8ba19fd4a0a1ad4ed60cabc6a56"},"schema_version":"1.0","source":{"id":"2302.04919","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.04919","created_at":"2026-07-05T09:23:42Z"},{"alias_kind":"arxiv_version","alias_value":"2302.04919v2","created_at":"2026-07-05T09:23:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.04919","created_at":"2026-07-05T09:23:42Z"},{"alias_kind":"pith_short_12","alias_value":"VTZ6FKARUT5W","created_at":"2026-07-05T09:23:42Z"},{"alias_kind":"pith_short_16","alias_value":"VTZ6FKARUT5WRSTV","created_at":"2026-07-05T09:23:42Z"},{"alias_kind":"pith_short_8","alias_value":"VTZ6FKAR","created_at":"2026-07-05T09:23:42Z"}],"graph_snapshots":[{"event_id":"sha256:9910787a0792687fbadd5f1edc0b46b1ab875cc9899046061e4ca2c0d8d36225","target":"graph","created_at":"2026-07-05T09:23:42Z","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/2302.04919/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The continued development of computational approaches to many-body ground-state problems in physics and chemistry calls for a consistent way to assess its overall progress. In this work, we introduce a metric of variational accuracy, the V-score, obtained from the variational energy and its variance. We provide an extensive curated dataset of variational calculations of many-body quantum systems, identifying cases where state-of-the-art numerical approaches show limited accuracy, and future algorithms or computational platforms, such as quantum computing, could provide improved accuracy. The V","authors_text":"Alexander Wietek, Andreas M. L\\\"auchli, Andrew Millis, Antoine Georges, Antonio Mezzacapo, Dian Wu, Federico Becca, Filippo Vicentini, Francesco Ferrari, Giuseppe Carleo, Guglielmo Mazzola, Imelda Romero, Jannes Nys, Javier Robledo Moreno, J. Maxwell Silvester, Juan Carrasquilla, Lei Wang, Luca F. Tocchio, Masatoshi Imada, Michael Schmid, Mohamed Hibat-Allah, Nikita Astrakhantsev, Olivier Parcollet, Qi Yang, Riccardo Rossi, Rico Pohle, Sandro Sorella, Shiwei Zhang, Steven R. White, Titus Neupert, Xiaodong Cao, Yiqi Yang, Yusuke Nomura","cross_cats":["cond-mat.str-el","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-02-09T20:21:17Z","title":"Variational Benchmarks for Quantum Many-Body Problems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.04919","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":"sha256:63810cfb6d2719315f16d366d0ecb996ff424e9e14fa55054877a7164baa249d","target":"record","created_at":"2026-07-05T09:23:42Z","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":"62ff4071e9edb91ee11e98b08585b708d477c10347fb3fcea9cfac9ef75ba091","cross_cats_sorted":["cond-mat.str-el","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-02-09T20:21:17Z","title_canon_sha256":"39210052e8166cf52320ed957a1fc8db803dd8ba19fd4a0a1ad4ed60cabc6a56"},"schema_version":"1.0","source":{"id":"2302.04919","kind":"arxiv","version":2}},"canonical_sha256":"acf3e2a811a4fb68ca7570c4e593ae9f386c4efbb9bb7e01ad2a388758ca333a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"acf3e2a811a4fb68ca7570c4e593ae9f386c4efbb9bb7e01ad2a388758ca333a","first_computed_at":"2026-07-05T09:23:42.890368Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:23:42.890368Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tJB8OrRYLS6kVGeuD/FZEqfsmFkqCNjfAMR5fq8ltjGrFVMT4ziqwOxnDd4C/kdpJfPh8tCq30JAAS3RwYUSDw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:23:42.890823Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.04919","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:63810cfb6d2719315f16d366d0ecb996ff424e9e14fa55054877a7164baa249d","sha256:9910787a0792687fbadd5f1edc0b46b1ab875cc9899046061e4ca2c0d8d36225"],"state_sha256":"c15635a78596f49ba7af7490311d2546459030d265400a9acdabe8fabba25556"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YZ74TnyjQCgRl2GcHUUsqHW7ubwpWM/A9VMvZ1xoqLZGm8I6WXXuc3Kzg/k+vfeyIoNIpBgpzfkv7psoF52lAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T21:21:10.593295Z","bundle_sha256":"b59a0bb26bf3657865a58d31dc7daadf0b10699a5780562b9cf303f3ad405d98"}}