{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:RWAZVFD37SAGIOUENBWQ4FI3OW","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":"7091bd4ee6d696dacff4850309d79fdfc85f1b3ae3baff5eec6d0bb37de1d5db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2026-05-31T03:39:31Z","title_canon_sha256":"b8d85e4a27c62dd0237af413b4747dae4579360b46f15a325421001fd9e88f90"},"schema_version":"1.0","source":{"id":"2606.00982","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.00982","created_at":"2026-06-02T01:04:11Z"},{"alias_kind":"arxiv_version","alias_value":"2606.00982v1","created_at":"2026-06-02T01:04:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.00982","created_at":"2026-06-02T01:04:11Z"},{"alias_kind":"pith_short_12","alias_value":"RWAZVFD37SAG","created_at":"2026-06-02T01:04:11Z"},{"alias_kind":"pith_short_16","alias_value":"RWAZVFD37SAGIOUE","created_at":"2026-06-02T01:04:11Z"},{"alias_kind":"pith_short_8","alias_value":"RWAZVFD3","created_at":"2026-06-02T01:04:11Z"}],"graph_snapshots":[{"event_id":"sha256:1dbf7d0bb642708ae72707329f48266763e1f474354e4259a0cc150173a893be","target":"graph","created_at":"2026-06-02T01:04:11Z","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/2606.00982/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Simulating fermionic systems on quantum hardware requires compiling fermionic Hamiltonians into executable quantum circuits. Existing approaches treat each compilation stage independently, applying heuristics with localized objectives that produce circuits with superquartic gate count and depth scaling and compilation times reaching several hours for large instances. We present Accordion, an end-to-end framework that co-designs the fermion-to-qubit mapping with circuit synthesis and hardware routing. Accordion fixes the Jordan Wigner mapping, which despite its higher Pauli weight produces Paul","authors_text":"Costin Iancu, Eddy Z. Zhang, Jiakang Li, Winston Li, Xiangyu Gao, Yipeng Huang, Zirui Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2026-05-31T03:39:31Z","title":"Linear Complexity Fermionic Simulation on Quantum Devices with Hardware Connectivity Constraints"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.00982","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":"sha256:62a10b9934faa95dcb4d9774110f943dff2dc3a22414eff3aae08135a5ce5979","target":"record","created_at":"2026-06-02T01:04:11Z","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":"7091bd4ee6d696dacff4850309d79fdfc85f1b3ae3baff5eec6d0bb37de1d5db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2026-05-31T03:39:31Z","title_canon_sha256":"b8d85e4a27c62dd0237af413b4747dae4579360b46f15a325421001fd9e88f90"},"schema_version":"1.0","source":{"id":"2606.00982","kind":"arxiv","version":1}},"canonical_sha256":"8d819a947bfc80643a84686d0e151b75b7792e6623cc1d0aa816c4da1074926a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d819a947bfc80643a84686d0e151b75b7792e6623cc1d0aa816c4da1074926a","first_computed_at":"2026-06-02T01:04:11.172670Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-02T01:04:11.172670Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BuS9MMo4sV7QxpEYtVuQsKyETLkOFTfI7uGzD2Kd2s6O0ZSruAB6xnGKZKgUXinSL0B0T1I2CgWjdHUsAdsIBQ==","signature_status":"signed_v1","signed_at":"2026-06-02T01:04:11.173098Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.00982","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:62a10b9934faa95dcb4d9774110f943dff2dc3a22414eff3aae08135a5ce5979","sha256:1dbf7d0bb642708ae72707329f48266763e1f474354e4259a0cc150173a893be"],"state_sha256":"35539a9909fc313cf62930a1fd7b0ab40c73e19f92fd46c3c838a39ba887849c"}