{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:Q33M6NMUGBX5LE7LCSMS7N3PCR","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":"2b5706940f156c3887bbe9070b065b40aa869d89b18f82010eec531f23ce02f5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-30T08:04:39Z","title_canon_sha256":"21d14fe859ca5721f03be5005e18dd5a87fff7e428909977d0d8ce5b725cffb2"},"schema_version":"1.0","source":{"id":"1810.12564","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.12564","created_at":"2026-05-17T23:49:03Z"},{"alias_kind":"arxiv_version","alias_value":"1810.12564v4","created_at":"2026-05-17T23:49:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.12564","created_at":"2026-05-17T23:49:03Z"},{"alias_kind":"pith_short_12","alias_value":"Q33M6NMUGBX5","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"Q33M6NMUGBX5LE7L","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"Q33M6NMU","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:0a2c8907ef688f9e2ff7e598ba6a8bf6cf321f80134217949df5e2f42cad8c41","target":"graph","created_at":"2026-05-17T23:49:03Z","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 investigate the electronic properties of the semiconducting van der Waals ferromagnet Cr$_2$Ge$_2$Te$_6$ (CGT), where ferromagnetic layers are bonded through van der Waals forces, we have performed angle-resolved photoemission spectroscopy (ARPES) measurements and density-functional-theory (DFT+U) calculations. The valence-band maximum at the {\\Gamma} point is located $\\sim$ 0.2 eV below the Fermi level, consistent with the semiconducting property of CGT. Comparison of the experimental density of states with the DFT calculation has suggested that Coulomb interaction between the Cr ","authors_text":"A. Fujimori, B. Gao, C. Lin, H. Kumigashira, J. Yu, K. Hagiwara, K. Koshiishi, K. Ono, M. Kobayashi, M. Suzuki, Seungjin Kang, S. Nakata, Sungmo Kang, S-W. Cheong, Y. X. Wan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-30T08:04:39Z","title":"Effect of Coulomb interaction on the two-dimensional electronic structure of the van der Waals ferromagnet Cr$_2$Ge$_2$Te$_6$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.12564","kind":"arxiv","version":4},"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:ca0833b68b4f529e5dbc270c3d49ca5aad8d03a2b97f2f57617e19ad0a997010","target":"record","created_at":"2026-05-17T23:49:03Z","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":"2b5706940f156c3887bbe9070b065b40aa869d89b18f82010eec531f23ce02f5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-30T08:04:39Z","title_canon_sha256":"21d14fe859ca5721f03be5005e18dd5a87fff7e428909977d0d8ce5b725cffb2"},"schema_version":"1.0","source":{"id":"1810.12564","kind":"arxiv","version":4}},"canonical_sha256":"86f6cf3594306fd593eb14992fb76f144af73d4b27afe94e5dfbec944988d9d4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"86f6cf3594306fd593eb14992fb76f144af73d4b27afe94e5dfbec944988d9d4","first_computed_at":"2026-05-17T23:49:03.136294Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:03.136294Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b7ONQw6L+ANj6UXqbkuRvejhU5mrTavB7OEnOAz/qDoUkRaN8Ah+AJpInvdDPjL/iEm5LEjy0ECuMb3k0AhaAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:03.136748Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.12564","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca0833b68b4f529e5dbc270c3d49ca5aad8d03a2b97f2f57617e19ad0a997010","sha256:0a2c8907ef688f9e2ff7e598ba6a8bf6cf321f80134217949df5e2f42cad8c41"],"state_sha256":"36cd2a2362f311045b345de56a5d6f9387ca4508fb88cae74a4b492dcb93747b"}