{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:YF466LFKCU3IMCUDNP7R3GSP5Y","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":"352d43ce84bbf04c6a25853ec40af1567b5675c6a048a531edd366df29a17e2e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-02-28T16:46:57Z","title_canon_sha256":"2d5300db6612bf7d9b8cf090512d656bc975d54f002c9af5d13cd9b657e0b89b"},"schema_version":"1.0","source":{"id":"1902.11209","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.11209","created_at":"2026-05-17T23:44:47Z"},{"alias_kind":"arxiv_version","alias_value":"1902.11209v2","created_at":"2026-05-17T23:44:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.11209","created_at":"2026-05-17T23:44:47Z"},{"alias_kind":"pith_short_12","alias_value":"YF466LFKCU3I","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"YF466LFKCU3IMCUD","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"YF466LFK","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:7a0925d3ea08c5b93bc431f59a3ca9d18779b2d275c42b5c8bfabe56f1480d7e","target":"graph","created_at":"2026-05-17T23:44:47Z","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":"Two-dimensional materials are emerging as a promising platform for ultrathin channels in field-effect transistors. To this aim, novel high-mobility semiconductors need to be found or engineered. While extrinsic mechanisms can in general be minimized by improving fabrication processes, the suppression of intrinsic scattering (driven e.g. by electron-phonon interactions) requires to modify the electronic or vibrational properties of the material. Since intervalley scattering critically affects mobilities, a powerful approach to enhance transport performance relies on engineering the valley struc","authors_text":"Davide Campi, Giovanni Pizzi, Marco Gibertini, Nicola Marzari, Thibault Sohier","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-02-28T16:46:57Z","title":"Valley-engineering mobilities in two-dimensional materials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.11209","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:d8ea9aa289425c1a7bc744378b74e8ea606c88459b82bbca15020f2e32de3aad","target":"record","created_at":"2026-05-17T23:44:47Z","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":"352d43ce84bbf04c6a25853ec40af1567b5675c6a048a531edd366df29a17e2e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-02-28T16:46:57Z","title_canon_sha256":"2d5300db6612bf7d9b8cf090512d656bc975d54f002c9af5d13cd9b657e0b89b"},"schema_version":"1.0","source":{"id":"1902.11209","kind":"arxiv","version":2}},"canonical_sha256":"c179ef2caa1536860a836bff1d9a4fee2385180b0ad63154bd7b970cdc77f5d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c179ef2caa1536860a836bff1d9a4fee2385180b0ad63154bd7b970cdc77f5d7","first_computed_at":"2026-05-17T23:44:47.498205Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:44:47.498205Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wp9cmjbkhN6vKL9c4tLo8nmD4Rk0VWpGN95QVF7Q7ydA0inDn+HUpa9PdfQyq5KXyfKUeutxdhdhsKW8Fux8CQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:44:47.498813Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.11209","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d8ea9aa289425c1a7bc744378b74e8ea606c88459b82bbca15020f2e32de3aad","sha256:7a0925d3ea08c5b93bc431f59a3ca9d18779b2d275c42b5c8bfabe56f1480d7e"],"state_sha256":"1943447e4f20c2ebe1f3945e63a3de6b12846cbdd7ae801657827fcc5207e42d"}