{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:74Y6BVWLHJX4ZPOTZOVPRK2RXB","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":"6fc40cc7955625ffe2faa741c6e1603fdc5f811c94d45038d6fe44fd0518f1ed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-11-17T22:15:41Z","title_canon_sha256":"2e1de238614e4b818434062c00063f6da22777498dfda709b341f9ee8a0a8069"},"schema_version":"1.0","source":{"id":"1711.06751","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.06751","created_at":"2026-05-18T00:30:15Z"},{"alias_kind":"arxiv_version","alias_value":"1711.06751v1","created_at":"2026-05-18T00:30:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.06751","created_at":"2026-05-18T00:30:15Z"},{"alias_kind":"pith_short_12","alias_value":"74Y6BVWLHJX4","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"74Y6BVWLHJX4ZPOT","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"74Y6BVWL","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:9ad3f83826c812c305f040a94119b0be39ef6dd8755eaa99f7e8cce56f6bc0e8","target":"graph","created_at":"2026-05-18T00:30:15Z","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":"In order to shed light on the second harmonic generation (SHG) of new 2-D systems, first principles methods are used to calculate the second order susceptibility \\chi(2) for different types of layered alloys such as monolayers of transition metal dichalcogenide (TMD) alloys, TMD Haeckelite alloys, nanotubes of TMD alloys, hexagonal boron nitride (h-BN) systems which include BxNyCz alloys, BN and BNC2 nanotubes, BxNxCy Haeckelites and BN Schwarzites (porous BN). It is found that the tungsten based alloys possess higher \\chi(2) than Mo based at high photon energies, but at low energies, one type","authors_text":"Humberto Terrones, Kory Beach, Michael C. Lucking","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-11-17T22:15:41Z","title":"First principles second harmonic generation of transition metal dichalcogenides and boron nitride alloys: from monolayers and nanotubes to Haeckelites and Schwarzites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.06751","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":"sha256:9e109109b7d3e1bcc616faf7eccb597245c05e47b8dfdb2091317710f53afe9f","target":"record","created_at":"2026-05-18T00:30:15Z","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":"6fc40cc7955625ffe2faa741c6e1603fdc5f811c94d45038d6fe44fd0518f1ed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-11-17T22:15:41Z","title_canon_sha256":"2e1de238614e4b818434062c00063f6da22777498dfda709b341f9ee8a0a8069"},"schema_version":"1.0","source":{"id":"1711.06751","kind":"arxiv","version":1}},"canonical_sha256":"ff31e0d6cb3a6fccbdd3cbaaf8ab51b873d277f93106c5cac291a116c7aec5be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ff31e0d6cb3a6fccbdd3cbaaf8ab51b873d277f93106c5cac291a116c7aec5be","first_computed_at":"2026-05-18T00:30:15.752487Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:30:15.752487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CGM3JUqhmX7ULAwA75oquFs+Gh6fyLR9EDcAXlwMzueRGDWf/0koN7Cx1CS7xfuSfM4F+kYM5sh0E4X9bqEVBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:30:15.753247Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.06751","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e109109b7d3e1bcc616faf7eccb597245c05e47b8dfdb2091317710f53afe9f","sha256:9ad3f83826c812c305f040a94119b0be39ef6dd8755eaa99f7e8cce56f6bc0e8"],"state_sha256":"59447cc31b92c14065aa6467f4ca37ffb7b63a971c99b223ff680ac246428a64"}