{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:G4QOLIT52URI5JG3GZOBBIXMSH","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":"99ad03fa42d8a618fbc4785798f915d4c1922de5377ad56ef00cf70a67edf633","cross_cats_sorted":["hep-lat"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-09-11T07:30:46Z","title_canon_sha256":"2f17adaa26f75e1e229be1b03566f00da4b4e2f3a5c8391986105237667f5fd4"},"schema_version":"1.0","source":{"id":"1509.03401","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.03401","created_at":"2026-05-18T01:23:39Z"},{"alias_kind":"arxiv_version","alias_value":"1509.03401v1","created_at":"2026-05-18T01:23:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.03401","created_at":"2026-05-18T01:23:39Z"},{"alias_kind":"pith_short_12","alias_value":"G4QOLIT52URI","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"G4QOLIT52URI5JG3","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"G4QOLIT5","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:678b8c2999314d79f131c21c6f4970f1e79a3a8e434858096a8c1e1cf794ef2a","target":"graph","created_at":"2026-05-18T01:23:39Z","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"},"paper":{"abstract_excerpt":"Monte Carlo simulation of a 2+1 dimensional model of voltage-biased bilayer graphene, consisting of relativistic fermions with chemical potential mu coupled to charged excitations with opposite sign on each layer, has exposed non-canonical scaling of bulk observables near a quantum critical point found at strong coupling. We present a calculation of the quasiparticle dispersion relation E(k) as a function of exciton source j in the same system, employing partially twisted boundary conditions to boost the number of available momentum modes. The Fermi momentum k_F and superfluid gap Delta are ex","authors_text":"Costas Strouthos, Simon Hands, Wes Armour","cross_cats":["hep-lat"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-09-11T07:30:46Z","title":"Strong Interaction Effects at a Fermi Surface in a Model for Voltage-Biased Bilayer Graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.03401","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:db7c40fb9aafe226335d7b789c5649ebbcf6b12b7abf292d7df78fed02c1dae0","target":"record","created_at":"2026-05-18T01:23:39Z","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":"99ad03fa42d8a618fbc4785798f915d4c1922de5377ad56ef00cf70a67edf633","cross_cats_sorted":["hep-lat"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-09-11T07:30:46Z","title_canon_sha256":"2f17adaa26f75e1e229be1b03566f00da4b4e2f3a5c8391986105237667f5fd4"},"schema_version":"1.0","source":{"id":"1509.03401","kind":"arxiv","version":1}},"canonical_sha256":"3720e5a27dd5228ea4db365c10a2ec91ea9e7c3c9ed02a613e796c43964d8d98","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3720e5a27dd5228ea4db365c10a2ec91ea9e7c3c9ed02a613e796c43964d8d98","first_computed_at":"2026-05-18T01:23:39.722101Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:39.722101Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VkqJ9QzhpS1D4rwnQ7JMGhx7KH1eGmZsqScSk0zrLFafaXn9KoKh+64i6X5pvfbeb7UqnQSaq8t89o9108zxCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:39.722854Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.03401","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:db7c40fb9aafe226335d7b789c5649ebbcf6b12b7abf292d7df78fed02c1dae0","sha256:678b8c2999314d79f131c21c6f4970f1e79a3a8e434858096a8c1e1cf794ef2a"],"state_sha256":"29bf3109f696d362b08cccf6c870f873e47800882150c1e92b26c1cdfed1dbdc"}