{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:RSG6OPKOE2UDMXCHTR4TOREZD2","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":"08ae16b00871bc79fb4cf946e56f5489963651c9aaeb69384da5376717938f5c","cross_cats_sorted":["cond-mat.str-el","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-08-02T08:52:56Z","title_canon_sha256":"e01f99cb1f3b9aaa3c216853365b27527ad91765905f22dcdc1ed2ea1ab12b5d"},"schema_version":"1.0","source":{"id":"1708.00649","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.00649","created_at":"2026-05-18T00:21:13Z"},{"alias_kind":"arxiv_version","alias_value":"1708.00649v1","created_at":"2026-05-18T00:21:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.00649","created_at":"2026-05-18T00:21:13Z"},{"alias_kind":"pith_short_12","alias_value":"RSG6OPKOE2UD","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"RSG6OPKOE2UDMXCH","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"RSG6OPKO","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:5db87b601c45c22ac533abbb792e91468675b36bd7875742493ebabf92149c3d","target":"graph","created_at":"2026-05-18T00:21:13Z","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":"The dual form of the massless Schwinger model on the lattice overcomes the complex action problems from two sources: a topological term, as well as non-zero chemical potential, making these physically interesting cases accessible to Monte Carlo simulations. The partition function is represented as a sum over fermion loops, dimers and plaquette-surfaces such that all contributions are real and positive. However, these new variables constitute a highly constrained system and suitable update strategies have to be developed. In this exploratory study we present an approach based on locally growing","authors_text":"Alexander Lehmann, Christof Gattringer, Christoph Weis, Daniel G\\\"oschl","cross_cats":["cond-mat.str-el","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-08-02T08:52:56Z","title":"Simulation strategies for the massless lattice Schwinger model in the dual formulation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.00649","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:d5e197c419a8c3ca7d00a2adfc93af8e6dcea36b2b45324a439e09dd4c02c28c","target":"record","created_at":"2026-05-18T00:21:13Z","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":"08ae16b00871bc79fb4cf946e56f5489963651c9aaeb69384da5376717938f5c","cross_cats_sorted":["cond-mat.str-el","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-08-02T08:52:56Z","title_canon_sha256":"e01f99cb1f3b9aaa3c216853365b27527ad91765905f22dcdc1ed2ea1ab12b5d"},"schema_version":"1.0","source":{"id":"1708.00649","kind":"arxiv","version":1}},"canonical_sha256":"8c8de73d4e26a8365c479c793744991e9bd1e19e2fad44a54a38e99cf777ba8c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c8de73d4e26a8365c479c793744991e9bd1e19e2fad44a54a38e99cf777ba8c","first_computed_at":"2026-05-18T00:21:13.223423Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:21:13.223423Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JhV75Hvm0BZMpQBSL01qNasJk6hHfZLOLoFjWWG/6s9oHAYDn5Gwhz6MFFt3x+R0YtjQGgLU9GztCYm5Y9QDAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:21:13.223851Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.00649","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d5e197c419a8c3ca7d00a2adfc93af8e6dcea36b2b45324a439e09dd4c02c28c","sha256:5db87b601c45c22ac533abbb792e91468675b36bd7875742493ebabf92149c3d"],"state_sha256":"fbc2c9b28fa16969752eee003788941525d816eb5200efb936e142848f60db63"}