{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:PT75PT57LHX7LRCOW5TS4QWD5V","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":"bea0affdd095595c6ddf04b69ac9c4739f1b8d65b063164883297c6626a5513e","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-05-10T07:49:36Z","title_canon_sha256":"0f2137829aeeed319e2f56361ea7a22ba49312d6f6716316d3fd9103c8b82563"},"schema_version":"1.0","source":{"id":"2205.04722","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.04722","created_at":"2026-07-05T04:58:55Z"},{"alias_kind":"arxiv_version","alias_value":"2205.04722v1","created_at":"2026-07-05T04:58:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.04722","created_at":"2026-07-05T04:58:55Z"},{"alias_kind":"pith_short_12","alias_value":"PT75PT57LHX7","created_at":"2026-07-05T04:58:55Z"},{"alias_kind":"pith_short_16","alias_value":"PT75PT57LHX7LRCO","created_at":"2026-07-05T04:58:55Z"},{"alias_kind":"pith_short_8","alias_value":"PT75PT57","created_at":"2026-07-05T04:58:55Z"}],"graph_snapshots":[{"event_id":"sha256:078e24f5950cc6234d81ca2a2a121ced2171fce5a09424e9cfc11b9ffa70e3bf","target":"graph","created_at":"2026-07-05T04:58:55Z","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/2205.04722/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the ground state of a (1+1)-dimensional conformal field theory built with $M$ species of massless free Dirac fermions coupled at one boundary point via a conformal junction/interface. Each CFT represents a wire of finite length $L$. We develop a systematic strategy to compute the R\\'enyi entropies for a generic bipartition between the wires and the entanglement negativity between two non-complementary sets of wires. Both these entanglement measures turn out to grow logarithmically with $L$ with an exactly calculated universal prefactor depending on the details of the junction an","authors_text":"Luca Capizzi, Pasquale Calabrese, Sara Murciano","cross_cats":["cond-mat.stat-mech"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-05-10T07:49:36Z","title":"R\\'enyi entropy and negativity for massless Dirac fermions at conformal interfaces and junctions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.04722","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":"sha256:6c1a2b65aa51bd8c697c4d96bca6229296f37fc568dc548da02626f9cb77650e","target":"record","created_at":"2026-07-05T04:58:55Z","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":"bea0affdd095595c6ddf04b69ac9c4739f1b8d65b063164883297c6626a5513e","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-05-10T07:49:36Z","title_canon_sha256":"0f2137829aeeed319e2f56361ea7a22ba49312d6f6716316d3fd9103c8b82563"},"schema_version":"1.0","source":{"id":"2205.04722","kind":"arxiv","version":1}},"canonical_sha256":"7cffd7cfbf59eff5c44eb7672e42c3ed727e8d86b131691fc9b840adf3d9279b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7cffd7cfbf59eff5c44eb7672e42c3ed727e8d86b131691fc9b840adf3d9279b","first_computed_at":"2026-07-05T04:58:55.129113Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:58:55.129113Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AsgwPRtKuv/ZzLD+0F521UMLdU5N/UyZy7Wf712ya9A4QSdOw/cidxsu49tOUgH1rWudkZ6lMBW1YNEBe9QgDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:58:55.129498Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.04722","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c1a2b65aa51bd8c697c4d96bca6229296f37fc568dc548da02626f9cb77650e","sha256:078e24f5950cc6234d81ca2a2a121ced2171fce5a09424e9cfc11b9ffa70e3bf"],"state_sha256":"2265aac46095b488319ca876bca4f5ddc852ce19036507979eae8f079d3a71ad"}