{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:5NWPWT6Y3YREXV35BUZKS6ED5Z","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":"5d0a89c30a22ed95b2152e3b9538289b2141342acfe8b660f1f1bd1c9c7f47d4","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-10-11T22:26:52Z","title_canon_sha256":"d5d7686319283d3b8d1813cc30cf32a9cf44c220021e56883009ccab88d6da15"},"schema_version":"1.0","source":{"id":"1810.05274","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.05274","created_at":"2026-07-05T00:14:11Z"},{"alias_kind":"arxiv_version","alias_value":"1810.05274v2","created_at":"2026-07-05T00:14:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.05274","created_at":"2026-07-05T00:14:11Z"},{"alias_kind":"pith_short_12","alias_value":"5NWPWT6Y3YRE","created_at":"2026-07-05T00:14:11Z"},{"alias_kind":"pith_short_16","alias_value":"5NWPWT6Y3YREXV35","created_at":"2026-07-05T00:14:11Z"},{"alias_kind":"pith_short_8","alias_value":"5NWPWT6Y","created_at":"2026-07-05T00:14:11Z"}],"graph_snapshots":[{"event_id":"sha256:eabc11666b35f02b42dffc4f02350f4471c7d0c08339b93efdfc149e619f29aa","target":"graph","created_at":"2026-07-05T00:14:11Z","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/1810.05274/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Simulation of fermionic many-body systems on a quantum computer requires a suitable encoding of fermionic degrees of freedom into qubits. Here we revisit the Superfast Encoding introduced by Kitaev and one of the authors. This encoding maps a target fermionic Hamiltonian with two-body interactions on a graph of degree $d$ to a qubit simulator Hamiltonian composed of Pauli operators of weight $O(d)$. A system of $m$ fermi modes gets mapped to $n=O(md)$ qubits. We propose Generalized Superfast Encodings (GSE) which require the same number of qubits as the original one but have more favorable pro","authors_text":"Antonio Mezzacapo, James D. Whitfield, Kanav Setia, Sergey Bravyi","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-10-11T22:26:52Z","title":"Superfast encodings for fermionic quantum simulation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.05274","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":"sha256:3e8fffa63fcb8a0a0c962cc400ffdbc43f36004bfbaa69eb26164b06693fdf82","target":"record","created_at":"2026-07-05T00:14:11Z","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":"5d0a89c30a22ed95b2152e3b9538289b2141342acfe8b660f1f1bd1c9c7f47d4","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-10-11T22:26:52Z","title_canon_sha256":"d5d7686319283d3b8d1813cc30cf32a9cf44c220021e56883009ccab88d6da15"},"schema_version":"1.0","source":{"id":"1810.05274","kind":"arxiv","version":2}},"canonical_sha256":"eb6cfb4fd8de224bd77d0d32a97883ee56e65ee3cdd80c474a1edeb3b71fa33d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eb6cfb4fd8de224bd77d0d32a97883ee56e65ee3cdd80c474a1edeb3b71fa33d","first_computed_at":"2026-07-05T00:14:11.974271Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:14:11.974271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4LAY6ZRnj9PymQNmyxgxRtO2PeaBuHj5cvmQZvBPQLwdMqhXFVBob7nlNXvm0z1a7VpLTj0lk5wmS4wOJLOzDg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:14:11.974683Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.05274","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3e8fffa63fcb8a0a0c962cc400ffdbc43f36004bfbaa69eb26164b06693fdf82","sha256:eabc11666b35f02b42dffc4f02350f4471c7d0c08339b93efdfc149e619f29aa"],"state_sha256":"2d4f9bd7642c36ce1d5097bcfafd0bed2e933541bb8e2533f6bb647401a6e379"}