{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:AEBTX2S3DJC3NKUDNUCN7SRMLO","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":"b7c052c41b464f8fba9e3c15d491da4423b42e730524044724e22cca13f2e7b5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-01-25T02:02:52Z","title_canon_sha256":"32dd8b7dd909fa40cf98903698cb0fff1d92f2fb54bc6ea2aad64a5671e82797"},"schema_version":"1.0","source":{"id":"2401.13886","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.13886","created_at":"2026-07-05T07:37:19Z"},{"alias_kind":"arxiv_version","alias_value":"2401.13886v1","created_at":"2026-07-05T07:37:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.13886","created_at":"2026-07-05T07:37:19Z"},{"alias_kind":"pith_short_12","alias_value":"AEBTX2S3DJC3","created_at":"2026-07-05T07:37:19Z"},{"alias_kind":"pith_short_16","alias_value":"AEBTX2S3DJC3NKUD","created_at":"2026-07-05T07:37:19Z"},{"alias_kind":"pith_short_8","alias_value":"AEBTX2S3","created_at":"2026-07-05T07:37:19Z"}],"graph_snapshots":[{"event_id":"sha256:4d62379fd7f7bf7852fa0cfad6561aa287688db2cfb6f365e788a8b181d32970","target":"graph","created_at":"2026-07-05T07:37:19Z","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/2401.13886/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Charge density wave (CDW) is a collective quantum phenomenon with a charge modulation in solids1-2. Condensation of electron and hole pairs with finite momentum will lead to such an ordered state3-7. However, lattice symmetry breaking manifested as the softening of phonon modes can occur simultaneously, which makes it difficult to disentangle the origin of the transition8-14. Here, we report a condensed phase in low dimensional HfTe2, whereas angle-resolved photoemission spectroscopy (ARPES) measurements show a metal-insulator transition by lowering the temperature in single triatomic layer (T","authors_text":"Dawei Shen, Haiyang Chen, Kanjanaporn Tangprapha, Peng Chen, Pengfei Jiao, Qiang Gao, Shengwei Jiang, Shuaishuai Yin, Xiaolong Li, Yang-hao Chan, Yichen Yang, Zhengtai Liu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-01-25T02:02:52Z","title":"Observation of possible excitonic charge density waves and metal-insulator transitions in atomically thin semimetals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.13886","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":"sha256:228249af576d07de7f421ca4a47fab15d83e760c4ae7993df4a56e201661008f","target":"record","created_at":"2026-07-05T07:37:19Z","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":"b7c052c41b464f8fba9e3c15d491da4423b42e730524044724e22cca13f2e7b5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-01-25T02:02:52Z","title_canon_sha256":"32dd8b7dd909fa40cf98903698cb0fff1d92f2fb54bc6ea2aad64a5671e82797"},"schema_version":"1.0","source":{"id":"2401.13886","kind":"arxiv","version":1}},"canonical_sha256":"01033bea5b1a45b6aa836d04dfca2c5b9837f26fc2308dde1648f7abbfdf1bd3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"01033bea5b1a45b6aa836d04dfca2c5b9837f26fc2308dde1648f7abbfdf1bd3","first_computed_at":"2026-07-05T07:37:19.241433Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:37:19.241433Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dgpU7J/VzqUBbWDS75lOUJfSoJE/pLteqkviEacIS5tNtge271Qo81SsnikkGv9bSdI33HhpCi9ayrBJMdsZBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:37:19.241999Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.13886","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:228249af576d07de7f421ca4a47fab15d83e760c4ae7993df4a56e201661008f","sha256:4d62379fd7f7bf7852fa0cfad6561aa287688db2cfb6f365e788a8b181d32970"],"state_sha256":"e3e88a1c020fe1bbcee6ea36e42798e4e6715fcdd6b8457626177f31bf454c8b"}