{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JJZHHICDCTHSHORE62KHZ54VJV","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":"afc934bb40395001986d411703c791b077a9da268a9c07fa1f616156532a5e37","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-01-10T10:48:04Z","title_canon_sha256":"b52cd6fe8661f83fe8d33ed637db939d8bfbd8c45044797ae4fd8937f5502bc5"},"schema_version":"1.0","source":{"id":"1801.03301","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.03301","created_at":"2026-05-18T00:16:44Z"},{"alias_kind":"arxiv_version","alias_value":"1801.03301v1","created_at":"2026-05-18T00:16:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.03301","created_at":"2026-05-18T00:16:44Z"},{"alias_kind":"pith_short_12","alias_value":"JJZHHICDCTHS","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JJZHHICDCTHSHORE","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JJZHHICD","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:2dacb2c223b716462ce9191a752ff3f67c937bb0ac824b4a0ecfbddd1439e125","target":"graph","created_at":"2026-05-18T00:16:44Z","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":"It is experimentally well established that the Cr(001)-surface exhibits a sharp resonance around the Fermi level. However, there is no consensus about its physical origin. It is proposed to be either due to a single particle dz2 surface state renormalised by electron-phonon coupling or the orbital Kondo effect involving the degenerate dxz/dyz states. In this work we examine the electron-phonon coupling of the Cr(001)-surface by means of ab-initio calculations in the form of density functional perturbation theory. More precisely, the electron-phonon mass-enhancement factor of the surface layer ","authors_text":"A. N. Rudenko, L. Peters, M. I. Katsnelson","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-01-10T10:48:04Z","title":"An ab-initio study of the electron-phonon coupling within a Cr(001)-surface"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.03301","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":"sha256:5ee5c511dac32d87a2c98eaf52a152a1bdb984c0f6973a477ff9ed36a08d24da","target":"record","created_at":"2026-05-18T00:16:44Z","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":"afc934bb40395001986d411703c791b077a9da268a9c07fa1f616156532a5e37","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-01-10T10:48:04Z","title_canon_sha256":"b52cd6fe8661f83fe8d33ed637db939d8bfbd8c45044797ae4fd8937f5502bc5"},"schema_version":"1.0","source":{"id":"1801.03301","kind":"arxiv","version":1}},"canonical_sha256":"4a7273a04314cf23ba24f6947cf7954d73124c5c21d4a2bf4a08f84c747c580c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4a7273a04314cf23ba24f6947cf7954d73124c5c21d4a2bf4a08f84c747c580c","first_computed_at":"2026-05-18T00:16:44.382311Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:16:44.382311Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9hwekm7NGyd2IncotTwHpRsVCUSno6/Nxtlp6kVd/RYp8nGbYQBjABu48WdrzMmPU4szrP7GV9XEn2kuVYGqDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:16:44.382885Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.03301","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5ee5c511dac32d87a2c98eaf52a152a1bdb984c0f6973a477ff9ed36a08d24da","sha256:2dacb2c223b716462ce9191a752ff3f67c937bb0ac824b4a0ecfbddd1439e125"],"state_sha256":"293d59bf3a687253b71e476e844f01ca8c5aca817efcb4a987aa68f13e19c610"}