{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:IJYWSSZT3TXGKA4AMPROAFQHRH","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":"fd0c6fe43427dc4d558d8f887a209a0f5cec0d94c09f4dbd862e65aad040b8bd","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-11-21T09:27:41Z","title_canon_sha256":"2a3f29122fbe46e2c0f3266469a3d73878230388eaec4f20d1f7700f0b5ee822"},"schema_version":"1.0","source":{"id":"2111.10774","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.10774","created_at":"2026-07-05T03:33:56Z"},{"alias_kind":"arxiv_version","alias_value":"2111.10774v1","created_at":"2026-07-05T03:33:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.10774","created_at":"2026-07-05T03:33:56Z"},{"alias_kind":"pith_short_12","alias_value":"IJYWSSZT3TXG","created_at":"2026-07-05T03:33:56Z"},{"alias_kind":"pith_short_16","alias_value":"IJYWSSZT3TXGKA4A","created_at":"2026-07-05T03:33:56Z"},{"alias_kind":"pith_short_8","alias_value":"IJYWSSZT","created_at":"2026-07-05T03:33:56Z"}],"graph_snapshots":[{"event_id":"sha256:008f7cba24b52a42fd69c0d403893cc55822e4de75c1c4f7a53ac887294465d0","target":"graph","created_at":"2026-07-05T03:33:56Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2111.10774/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Hall scattering factor, $r$, is a key quantity for establishing carrier concentration and drift mobility from Hall measurements; in experiments it is usually assumed to be 1. In this paper we use a combination of analytical and \\textit{ab initio} modelling to determine $r$ in graphene. While at high carrier densities $r \\approx 1$ in a wide temperature range, at low doping the temperature dependence of $r$ is very strong with values as high as 4 below 300~K. These high values are due to the linear bands around the Dirac cone and the carrier scattering rates due to acoustic phonons. At high","authors_text":"Feliciano Giustino, Francesco Macheda, Nicola Bonini, Samuel Ponc\\'e","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-11-21T09:27:41Z","title":"Theory and computation of Hall scattering factor in graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.10774","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":"sha256:7e313273ea19cab96ecfa90fcd591b9e6b63030cf50a9a2bfc1376494fa3e96b","target":"record","created_at":"2026-07-05T03:33:56Z","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":"fd0c6fe43427dc4d558d8f887a209a0f5cec0d94c09f4dbd862e65aad040b8bd","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-11-21T09:27:41Z","title_canon_sha256":"2a3f29122fbe46e2c0f3266469a3d73878230388eaec4f20d1f7700f0b5ee822"},"schema_version":"1.0","source":{"id":"2111.10774","kind":"arxiv","version":1}},"canonical_sha256":"4271694b33dcee65038063e2e0160789ef352616210f9bd51753208a92596f7a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4271694b33dcee65038063e2e0160789ef352616210f9bd51753208a92596f7a","first_computed_at":"2026-07-05T03:33:56.721977Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:33:56.721977Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+kF8Ys79z4jJCphgBKsl6Kkeshdes7DO7l7vYNilmZKXV5R+AykBhafbEQQfBPeF3Dogem+lfcpSK4x3U+qODw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:33:56.722457Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.10774","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e313273ea19cab96ecfa90fcd591b9e6b63030cf50a9a2bfc1376494fa3e96b","sha256:008f7cba24b52a42fd69c0d403893cc55822e4de75c1c4f7a53ac887294465d0"],"state_sha256":"9399e92239ade2f0b604b522e85bda08671cd99b65f4280a7aac407b95e701a2"}