{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:AR3RMJPUQTWCDGMLMHXLRUQS6Z","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":"ac7852968148d42e85d86ab49bb51b8494cffbe1292b334c4a579ce151b5d377","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-05-14T20:32:34Z","title_canon_sha256":"4e10307363239d7e1d459fc01d02d9a9e51724fef2423e61026b30390497c671"},"schema_version":"1.0","source":{"id":"1905.05831","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.05831","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"arxiv_version","alias_value":"1905.05831v2","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.05831","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"pith_short_12","alias_value":"AR3RMJPUQTWC","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"AR3RMJPUQTWCDGML","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"AR3RMJPU","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:629672499b5f8a882ee92e23059f65a8a09e198c92eea39c2b02f16211512201","target":"graph","created_at":"2026-05-17T23:39:43Z","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 investigate charge ordering in the Holstein model in the presence of anisotropic hopping, $t_x, t_y=1-\\delta, 1 + \\delta$, as a model of the effect of strain on charge density wave (CDW) materials. Using Quantum Monte Carlo simulations, we show that the CDW transition temperature is relatively insensitive to moderate anisotropy $\\delta \\lesssim 0.3$, but begins to decrease more rapidly at $\\delta \\gtrsim 0.4$. However, the density correlations, as well as the kinetic energies parallel and perpendicular to the compressional axis, change significantly for moderate $\\delta$. Accompanying mean-","authors_text":"B. Cohen-Stead, E. Khatami, N.C. Costa, R.T. Scalettar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-05-14T20:32:34Z","title":"Effect of Strain on Charge Density Wave Order in the Holstein Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.05831","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":"sha256:09201cdbe13566f720e4e8a065f210e608b56ed9d63541a9d83aff8803d4c3d6","target":"record","created_at":"2026-05-17T23:39:43Z","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":"ac7852968148d42e85d86ab49bb51b8494cffbe1292b334c4a579ce151b5d377","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-05-14T20:32:34Z","title_canon_sha256":"4e10307363239d7e1d459fc01d02d9a9e51724fef2423e61026b30390497c671"},"schema_version":"1.0","source":{"id":"1905.05831","kind":"arxiv","version":2}},"canonical_sha256":"04771625f484ec21998b61eeb8d212f67c5583f8f5219323223cf16c5afc967b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"04771625f484ec21998b61eeb8d212f67c5583f8f5219323223cf16c5afc967b","first_computed_at":"2026-05-17T23:39:43.636797Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:43.636797Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fI8Uq4O/JuTWcbJntEGszF8xptEh+T+96auyBXIbgCtjLax9+1Qhr0kUX9RPQnEsdl6AZC0lXZLmI765x9UrCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:43.637604Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.05831","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:09201cdbe13566f720e4e8a065f210e608b56ed9d63541a9d83aff8803d4c3d6","sha256:629672499b5f8a882ee92e23059f65a8a09e198c92eea39c2b02f16211512201"],"state_sha256":"8eb5c7bae2ab466bccb0fdf2e3d3af1f0aa3c84924bc1afa3d15ce1fc29f22eb"}