{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:7DR345OHSGGZ2A5SQ4664SECJJ","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":"5e1f4af0ff16f15c8ce8ac2d7748459009280d44355304c2fc7a93ca38f905a4","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-07-17T12:01:38Z","title_canon_sha256":"bb11a07883ba87863f2da41c1e68ad4c5f885fa68924e4c03ea9020134e14bd4"},"schema_version":"1.0","source":{"id":"2307.08418","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.08418","created_at":"2026-07-05T06:31:24Z"},{"alias_kind":"arxiv_version","alias_value":"2307.08418v1","created_at":"2026-07-05T06:31:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.08418","created_at":"2026-07-05T06:31:24Z"},{"alias_kind":"pith_short_12","alias_value":"7DR345OHSGGZ","created_at":"2026-07-05T06:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"7DR345OHSGGZ2A5S","created_at":"2026-07-05T06:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"7DR345OH","created_at":"2026-07-05T06:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:ee226c24656eff4660fe7361cb4185027d0bded14333e5a6d103c6f458da0bc9","target":"graph","created_at":"2026-07-05T06:31:24Z","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/2307.08418/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Ultra-thin 2D materials have shown complete paradigm shift of understanding of physical and electronic properties because of confinement effects, symmetry breaking and novel phenomena at nanoscale. Bulk 2H-TaS2 undergoes an incommensurate charge density wave (I-CDW) transition temperature, TI-CDW - 76 K, however, onset of CDW in atomically thin layers is not clear. We explored the evidence of CDW instability in exfoliated atomically thin 2H-TaS2 using low temperature Raman spectroscopy. We have emphasized on CDW associated modes, M1 - 125 cm-1, M2 -158 cm-1, and M3 -334 cm-1, with thickness - ","authors_text":"Ajay Soni, Aksa Thomas, Divya Rawat","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-07-17T12:01:38Z","title":"Symmetry breaking and structure instability in ultra-thin 2H-TaS2 across charge density wave transition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.08418","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":"sha256:42c4855c97114ff2943a5812ec65c47cd062b7acd7947b87f6f21f32ae00311b","target":"record","created_at":"2026-07-05T06:31:24Z","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":"5e1f4af0ff16f15c8ce8ac2d7748459009280d44355304c2fc7a93ca38f905a4","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-07-17T12:01:38Z","title_canon_sha256":"bb11a07883ba87863f2da41c1e68ad4c5f885fa68924e4c03ea9020134e14bd4"},"schema_version":"1.0","source":{"id":"2307.08418","kind":"arxiv","version":1}},"canonical_sha256":"f8e3be75c7918d9d03b2873dee48824a790a252411c3467d2f7593544bfd4540","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f8e3be75c7918d9d03b2873dee48824a790a252411c3467d2f7593544bfd4540","first_computed_at":"2026-07-05T06:31:24.381008Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:31:24.381008Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rRlxnSwlpdj2n2gGD6ok3WrQKyryqSjpg3yfSbbJY3xexkvZRMxqWZYo9xDpqYost2XUWlKlMpcIVGkPw7w2Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:31:24.381470Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.08418","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42c4855c97114ff2943a5812ec65c47cd062b7acd7947b87f6f21f32ae00311b","sha256:ee226c24656eff4660fe7361cb4185027d0bded14333e5a6d103c6f458da0bc9"],"state_sha256":"e9599ca94c36b5bd1f46930711aeff0ca7ed091f4c5ab28153eb75c1286fa715"}