{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:FRBO2N3I7HP74UMJEXDTQX7GKR","short_pith_number":"pith:FRBO2N3I","canonical_record":{"source":{"id":"2003.01862","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-03-04T02:23:16Z","cross_cats_sorted":[],"title_canon_sha256":"a6e2e8a5d481f2e11692cf8da0549052b8bf75d8851b9c905d7b36915ce242af","abstract_canon_sha256":"49850906745199d1f1a4895ff0349b4ba52767d610138d0b3bc930c6cd1f3d7c"},"schema_version":"1.0"},"canonical_sha256":"2c42ed3768f9dffe518925c7385fe6546263d5d9857c2a85c01758190e724dd2","source":{"kind":"arxiv","id":"2003.01862","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.01862","created_at":"2026-07-05T00:45:36Z"},{"alias_kind":"arxiv_version","alias_value":"2003.01862v1","created_at":"2026-07-05T00:45:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.01862","created_at":"2026-07-05T00:45:36Z"},{"alias_kind":"pith_short_12","alias_value":"FRBO2N3I7HP7","created_at":"2026-07-05T00:45:36Z"},{"alias_kind":"pith_short_16","alias_value":"FRBO2N3I7HP74UMJ","created_at":"2026-07-05T00:45:36Z"},{"alias_kind":"pith_short_8","alias_value":"FRBO2N3I","created_at":"2026-07-05T00:45:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:FRBO2N3I7HP74UMJEXDTQX7GKR","target":"record","payload":{"canonical_record":{"source":{"id":"2003.01862","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-03-04T02:23:16Z","cross_cats_sorted":[],"title_canon_sha256":"a6e2e8a5d481f2e11692cf8da0549052b8bf75d8851b9c905d7b36915ce242af","abstract_canon_sha256":"49850906745199d1f1a4895ff0349b4ba52767d610138d0b3bc930c6cd1f3d7c"},"schema_version":"1.0"},"canonical_sha256":"2c42ed3768f9dffe518925c7385fe6546263d5d9857c2a85c01758190e724dd2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:45:36.756214Z","signature_b64":"1QAGqpE5wwbGVBvUvKvLCL4q1l/Mzz8/ggRxTYIgzl0/am2nC36jS8mxeRUINDRa7NPCEWmQC4LiJX8c8pfTDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2c42ed3768f9dffe518925c7385fe6546263d5d9857c2a85c01758190e724dd2","last_reissued_at":"2026-07-05T00:45:36.755717Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:45:36.755717Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2003.01862","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":"2026-07-05T00:45:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/gw7m+OE9tCxr0IQELCAbHxZUtspZ5NX5HVDp/GL8YPuAOI+n3YCEpgFpjGTWPZ5Xfwgg08/ATqB41NWdnDbDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T04:19:39.518711Z"},"content_sha256":"16e90e53ec99ab35b37c596fdfe4de13fb2e056e0a52da0f86ec49cc323580fc","schema_version":"1.0","event_id":"sha256:16e90e53ec99ab35b37c596fdfe4de13fb2e056e0a52da0f86ec49cc323580fc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:FRBO2N3I7HP74UMJEXDTQX7GKR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An application benchmark for fermionic quantum simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Jerome F. Gonthier, Jonathan Romero, Micha{\\l} St\\k{e}ch{\\l}y, Ntwali Toussaint Bashige, Pierre-Luc Dallaire-Demers, Yudong Cao","submitted_at":"2020-03-04T02:23:16Z","abstract_excerpt":"It is expected that the simulation of correlated fermions in chemistry and material science will be one of the first practical applications of quantum processors. Given the rapid evolution of quantum hardware, it is increasingly important to develop robust benchmarking techniques to gauge the capacity of quantum hardware specifically for the purpose of fermionic simulation. Here we propose using the one-dimensional Fermi-Hubbard model as an application benchmark for variational quantum simulations on near-term quantum devices. Since the one-dimensional Hubbard model is both strongly correlated"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.01862","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/2003.01862/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":"2026-07-05T00:45:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Bdu8AgBWSBlgS7U3ir9TCgS6EYT6KnT9d515kfEACeAV/zoL4a88kqmogmmlMzVRvTRgGN9UArltIGc9V1XCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T04:19:39.519272Z"},"content_sha256":"fcbb3676cb875d32db26c15987f217dcba8fd7959ae0744351060228bd5a7c63","schema_version":"1.0","event_id":"sha256:fcbb3676cb875d32db26c15987f217dcba8fd7959ae0744351060228bd5a7c63"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FRBO2N3I7HP74UMJEXDTQX7GKR/bundle.json","state_url":"https://pith.science/pith/FRBO2N3I7HP74UMJEXDTQX7GKR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FRBO2N3I7HP74UMJEXDTQX7GKR/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":"2026-08-10T04:19:39Z","links":{"resolver":"https://pith.science/pith/FRBO2N3I7HP74UMJEXDTQX7GKR","bundle":"https://pith.science/pith/FRBO2N3I7HP74UMJEXDTQX7GKR/bundle.json","state":"https://pith.science/pith/FRBO2N3I7HP74UMJEXDTQX7GKR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FRBO2N3I7HP74UMJEXDTQX7GKR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:FRBO2N3I7HP74UMJEXDTQX7GKR","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":"49850906745199d1f1a4895ff0349b4ba52767d610138d0b3bc930c6cd1f3d7c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-03-04T02:23:16Z","title_canon_sha256":"a6e2e8a5d481f2e11692cf8da0549052b8bf75d8851b9c905d7b36915ce242af"},"schema_version":"1.0","source":{"id":"2003.01862","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.01862","created_at":"2026-07-05T00:45:36Z"},{"alias_kind":"arxiv_version","alias_value":"2003.01862v1","created_at":"2026-07-05T00:45:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.01862","created_at":"2026-07-05T00:45:36Z"},{"alias_kind":"pith_short_12","alias_value":"FRBO2N3I7HP7","created_at":"2026-07-05T00:45:36Z"},{"alias_kind":"pith_short_16","alias_value":"FRBO2N3I7HP74UMJ","created_at":"2026-07-05T00:45:36Z"},{"alias_kind":"pith_short_8","alias_value":"FRBO2N3I","created_at":"2026-07-05T00:45:36Z"}],"graph_snapshots":[{"event_id":"sha256:fcbb3676cb875d32db26c15987f217dcba8fd7959ae0744351060228bd5a7c63","target":"graph","created_at":"2026-07-05T00:45:36Z","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/2003.01862/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"It is expected that the simulation of correlated fermions in chemistry and material science will be one of the first practical applications of quantum processors. Given the rapid evolution of quantum hardware, it is increasingly important to develop robust benchmarking techniques to gauge the capacity of quantum hardware specifically for the purpose of fermionic simulation. Here we propose using the one-dimensional Fermi-Hubbard model as an application benchmark for variational quantum simulations on near-term quantum devices. Since the one-dimensional Hubbard model is both strongly correlated","authors_text":"Jerome F. Gonthier, Jonathan Romero, Micha{\\l} St\\k{e}ch{\\l}y, Ntwali Toussaint Bashige, Pierre-Luc Dallaire-Demers, Yudong Cao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-03-04T02:23:16Z","title":"An application benchmark for fermionic quantum simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.01862","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":"sha256:16e90e53ec99ab35b37c596fdfe4de13fb2e056e0a52da0f86ec49cc323580fc","target":"record","created_at":"2026-07-05T00:45:36Z","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":"49850906745199d1f1a4895ff0349b4ba52767d610138d0b3bc930c6cd1f3d7c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-03-04T02:23:16Z","title_canon_sha256":"a6e2e8a5d481f2e11692cf8da0549052b8bf75d8851b9c905d7b36915ce242af"},"schema_version":"1.0","source":{"id":"2003.01862","kind":"arxiv","version":1}},"canonical_sha256":"2c42ed3768f9dffe518925c7385fe6546263d5d9857c2a85c01758190e724dd2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2c42ed3768f9dffe518925c7385fe6546263d5d9857c2a85c01758190e724dd2","first_computed_at":"2026-07-05T00:45:36.755717Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:45:36.755717Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1QAGqpE5wwbGVBvUvKvLCL4q1l/Mzz8/ggRxTYIgzl0/am2nC36jS8mxeRUINDRa7NPCEWmQC4LiJX8c8pfTDw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:45:36.756214Z","signed_message":"canonical_sha256_bytes"},"source_id":"2003.01862","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:16e90e53ec99ab35b37c596fdfe4de13fb2e056e0a52da0f86ec49cc323580fc","sha256:fcbb3676cb875d32db26c15987f217dcba8fd7959ae0744351060228bd5a7c63"],"state_sha256":"b68075a807a2716064bb7cba0346a6ec5923af8769cf67728270862d963ab98c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HEKNBr4Keqj2+tnqayjykzwSySAAsBv+L7VuQfzzUWqtFHJuOfioa9Ppt3E8XtgCcNGu+GXb8rugHCXsiVEgCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T04:19:39.524600Z","bundle_sha256":"8759eb863ba6b5d75584b16d429bbbfc5091134f45ad0999e0bebac82d204563"}}