{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:F7WZKXCTGXV4KI4RHDPJGHGHD7","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":"811390d47cf7ad29e88e3ea25c7cbdd71c965e059df1d371c3535301bcc101d2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-06T11:54:05Z","title_canon_sha256":"791d88a92888a2b59ed175be7c2f60c51bb84778f8dc53bac6c55b76e416be9a"},"schema_version":"1.0","source":{"id":"1311.1361","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.1361","created_at":"2026-05-18T03:07:53Z"},{"alias_kind":"arxiv_version","alias_value":"1311.1361v1","created_at":"2026-05-18T03:07:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.1361","created_at":"2026-05-18T03:07:53Z"},{"alias_kind":"pith_short_12","alias_value":"F7WZKXCTGXV4","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"F7WZKXCTGXV4KI4R","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"F7WZKXCT","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:bb0214a5d6fff5096c005387351060bc9af752caae95798e2ee61c9528a05a18","target":"graph","created_at":"2026-05-18T03:07:53Z","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 electronic structure, Fermi surface and elastic properties of the iso-structural and iso-electronic LaSn$_3$ and YSn$_3$ intermetallic compounds are studied under pressure within the framework of density functional theory including spin-orbit coupling. The LaSn$_3$ Fermi surface consists of two sheets, of which the second is very complex. Under pressure a third sheet appears around compression $V/V_0=0.94$, while a small topology change in the second sheet is seen at compression $V/V_0=0.90$. This may be in accordance with the anomalous behaviour in the superconducting transition temperatu","authors_text":"A. Svane, G. Vaitheeswaran, N. E. Christensen, S. B. Dugdale, Swetarekha Ram, V. Kanchana","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-06T11:54:05Z","title":"Electronic topological transition in LaSn$_3$ under pressure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.1361","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":"sha256:53555719100423046ac75abc452e4630aa4b70e3e7d0bd2610587c2f5d0fda47","target":"record","created_at":"2026-05-18T03:07:53Z","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":"811390d47cf7ad29e88e3ea25c7cbdd71c965e059df1d371c3535301bcc101d2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-06T11:54:05Z","title_canon_sha256":"791d88a92888a2b59ed175be7c2f60c51bb84778f8dc53bac6c55b76e416be9a"},"schema_version":"1.0","source":{"id":"1311.1361","kind":"arxiv","version":1}},"canonical_sha256":"2fed955c5335ebc5239138de931cc71fdd56d17429d26500a4f3de5d08ef8fd2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2fed955c5335ebc5239138de931cc71fdd56d17429d26500a4f3de5d08ef8fd2","first_computed_at":"2026-05-18T03:07:53.574135Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:07:53.574135Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"14PaKG7BJOmnmXTk8FjxX+dPMpCePZle6PPsBJ7EVs49kUkTOKHCjOQD+tiMQo3ESpFQFQnIoHy8/o1n7hDeBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:07:53.574757Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.1361","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:53555719100423046ac75abc452e4630aa4b70e3e7d0bd2610587c2f5d0fda47","sha256:bb0214a5d6fff5096c005387351060bc9af752caae95798e2ee61c9528a05a18"],"state_sha256":"4d5e6bcd87cf4a965dec017cb8fef4e781c0c949853f0519088fa2310b62a2f2"}