{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:L5MWFHCEBTLPHCV62AXNLP2Q3H","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":"24066ef97822e5783d6657ae631cad57deb026a4ad4a1041008641ff84cbd53a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-05T07:14:41Z","title_canon_sha256":"c67313e5601475749f03752aa35cecb3b159731f8bdbeb499040eaf01f289eb0"},"schema_version":"1.0","source":{"id":"1311.0979","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.0979","created_at":"2026-05-18T03:07:54Z"},{"alias_kind":"arxiv_version","alias_value":"1311.0979v1","created_at":"2026-05-18T03:07:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.0979","created_at":"2026-05-18T03:07:54Z"},{"alias_kind":"pith_short_12","alias_value":"L5MWFHCEBTLP","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"L5MWFHCEBTLPHCV6","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"L5MWFHCE","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:758d058f9d42be07e06b2006d2843508d4f099d05d9351622e6e5c1b1e664d47","target":"graph","created_at":"2026-05-18T03:07:54Z","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":"We report a detailed first principles study on the structural, elastic, vibrational and thermodynamic properties of layered structure energetic alkali metal azides KN$_3$ and RbN$_3$. All the calculations were carried out by means of plane wave pseudopotential method with and without including van der Waals interactions. The calculated ground state structural properties are improved to a greater extent by the inclusion of dispersion corrections, implies that the van der Waals interactions play a major role on the physical properties of these systems. The elastic constants and the related bulk ","authors_text":"G. Vaitheeswaran, K. Ramesh Babu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-05T07:14:41Z","title":"Structure, elastic and dynamical properties of KN$_3$ and RbN$_3$: A van der Waals density functional study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.0979","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":"sha256:983dbb558f0e0c52fbff8dd709a709c53c048037481027d1138cf7456b2dadfa","target":"record","created_at":"2026-05-18T03:07:54Z","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":"24066ef97822e5783d6657ae631cad57deb026a4ad4a1041008641ff84cbd53a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-05T07:14:41Z","title_canon_sha256":"c67313e5601475749f03752aa35cecb3b159731f8bdbeb499040eaf01f289eb0"},"schema_version":"1.0","source":{"id":"1311.0979","kind":"arxiv","version":1}},"canonical_sha256":"5f59629c440cd6f38abed02ed5bf50d9e258ad9cf8a7f5b417f0dbb349e776dd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5f59629c440cd6f38abed02ed5bf50d9e258ad9cf8a7f5b417f0dbb349e776dd","first_computed_at":"2026-05-18T03:07:54.020887Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:07:54.020887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OxuekBYSMaz+CMnqhkY7JpX2evS9+XpOWw0AoydF/ioYA5qoSH8mVkCx5iIKxopQ1iOfHcFdXyZ3nWGUeu4zAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:07:54.021531Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.0979","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:983dbb558f0e0c52fbff8dd709a709c53c048037481027d1138cf7456b2dadfa","sha256:758d058f9d42be07e06b2006d2843508d4f099d05d9351622e6e5c1b1e664d47"],"state_sha256":"6875734d98c5d0348aacb8ddd17afdcff54473eecbe616371fd901dc2bf3629e"}