{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:Z77HYPZZLS6F4HNTHI3FOQAB6M","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":"36d61ef7babcff4eaf6a145029f8754f021ebf7f2ffd494de9fd961ccdacf654","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-11-27T14:08:51Z","title_canon_sha256":"b523b4441cea0c3748e44cad72f86e54bce45b2bbd231f7a20136031f392a770"},"schema_version":"1.0","source":{"id":"1911.12163","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.12163","created_at":"2026-07-05T02:24:27Z"},{"alias_kind":"arxiv_version","alias_value":"1911.12163v2","created_at":"2026-07-05T02:24:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.12163","created_at":"2026-07-05T02:24:27Z"},{"alias_kind":"pith_short_12","alias_value":"Z77HYPZZLS6F","created_at":"2026-07-05T02:24:27Z"},{"alias_kind":"pith_short_16","alias_value":"Z77HYPZZLS6F4HNT","created_at":"2026-07-05T02:24:27Z"},{"alias_kind":"pith_short_8","alias_value":"Z77HYPZZ","created_at":"2026-07-05T02:24:27Z"}],"graph_snapshots":[{"event_id":"sha256:abc204cfe664278bf30d15e3f45531bb3dec03df32fcb264b2305c589ae9a27f","target":"graph","created_at":"2026-07-05T02:24:27Z","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/1911.12163/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Electronic band structures in solids stem from a periodic potential reflecting the structure of either the crystal lattice or an electronic order. In the stoichiometric ruthenate Ca$_3$Ru$_2$O$_7$, numerous Fermi surface sensitive probes indicate a low-temperature electronic reconstruction. Yet, the causality and the reconstructed band structure remain unsolved. Here, we show by angle-resolved photoemission spectroscopy, how in Ca$_3$Ru$_2$O$_7$ a $C_2$-symmetric massive Dirac semimetal is realized through a Brillouin-zone preserving electronic reconstruction. This Dirac semimetal emerges in a","authors_text":"A. Bold, A. Vecchione, C. Cacho, D. Sutter, F. Bertran, J. Chang, J. E. Rault, K. P. Kramer, L. Das, M. H. Fischer, M. Horio, M. Shi, N. C. Plumb, P. Le F\\`evre, Q. Wang, R. Fittipaldi, R. Frison, S. J\\\"ohr, T. K. Kim, V. Granata, Y. Sassa, Y. Xu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-11-27T14:08:51Z","title":"Electronic reconstruction forming a $C_2$-symmetric Dirac semimetal in Ca$_3$Ru$_2$O$_7$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.12163","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":"sha256:97035026a71efd4e0f79e881f279a351e69b52e1f0a7aaca56960bad6c87a39c","target":"record","created_at":"2026-07-05T02:24:27Z","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":"36d61ef7babcff4eaf6a145029f8754f021ebf7f2ffd494de9fd961ccdacf654","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-11-27T14:08:51Z","title_canon_sha256":"b523b4441cea0c3748e44cad72f86e54bce45b2bbd231f7a20136031f392a770"},"schema_version":"1.0","source":{"id":"1911.12163","kind":"arxiv","version":2}},"canonical_sha256":"cffe7c3f395cbc5e1db33a36574001f32b70260d87eb3a7f0182ac44603fae0b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cffe7c3f395cbc5e1db33a36574001f32b70260d87eb3a7f0182ac44603fae0b","first_computed_at":"2026-07-05T02:24:27.973146Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:24:27.973146Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Wx39p1//ZTq3347zjMtuxAvn0b+6cXhdBpmVeCnKi7MOONfcLCIBK50SzkQnKhgi5zbfGjFO7amzPYSMn6dFDg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:24:27.973602Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.12163","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:97035026a71efd4e0f79e881f279a351e69b52e1f0a7aaca56960bad6c87a39c","sha256:abc204cfe664278bf30d15e3f45531bb3dec03df32fcb264b2305c589ae9a27f"],"state_sha256":"3903c7e235d52ef9c120227f994a25970252355932a03b318c0f2ae7edeee3ab"}