{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:OTRN2S75WETZRGXKQXNETA53VR","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":"233caee6e87503cd2d47b8a650d84f10432c5f724a33f02c2cb4755cb73658bb","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2007-02-15T14:17:42Z","title_canon_sha256":"04371910a8d822389499cb01cb76372784b76883347938fc91139a5e939bde87"},"schema_version":"1.0","source":{"id":"cond-mat/0702362","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0702362","created_at":"2026-05-18T01:39:38Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0702362v2","created_at":"2026-05-18T01:39:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0702362","created_at":"2026-05-18T01:39:38Z"},{"alias_kind":"pith_short_12","alias_value":"OTRN2S75WETZ","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"OTRN2S75WETZRGXK","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"OTRN2S75","created_at":"2026-05-18T12:25:55Z"}],"graph_snapshots":[{"event_id":"sha256:07fa8e339b67eada18896002a5b58c3a7209d122fd942def2c6838fc8e53973e","target":"graph","created_at":"2026-05-18T01:39:38Z","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":"Raman scattering experiments on CdCr2S4 single crystals show pronounced anomalies in intensity and frequency of optical phonon modes with an onset temperature T*=130 K that coincides with the regime of giant magnetocapacitive effects. A loss of inversion symmetry and Cr off-centering are deduced from the observation of longitudinal optical and formerly infrared active modes for T<T_c=84 K. The intensity anomalies are attributed to the enhanced electronic polarizability of displacements that modulate the Cr-S distance and respective hybridization. Photo doping leads to an annihilation of the sy","authors_text":"A. Loidl, Ch. Payen, J. Hemberger, K. Y. Choi, P. Lemmens, P. Scheib, V. Gnezdilov, V. Tsurkan, Yu. G. Pashkevich","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2007-02-15T14:17:42Z","title":"Evidence for local lattice distortions in giant magnetocapacitive CdCr2S4"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0702362","kind":"arxiv","version":2},"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":"sha256:32cce9ea5c0dfb854c9916a10c80a8afd1b30e50740c67406704ebfef49ede5e","target":"record","created_at":"2026-05-18T01:39:38Z","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":"233caee6e87503cd2d47b8a650d84f10432c5f724a33f02c2cb4755cb73658bb","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2007-02-15T14:17:42Z","title_canon_sha256":"04371910a8d822389499cb01cb76372784b76883347938fc91139a5e939bde87"},"schema_version":"1.0","source":{"id":"cond-mat/0702362","kind":"arxiv","version":2}},"canonical_sha256":"74e2dd4bfdb127989aea85da4983bbac661c3041d02a4aa5f8d7971e0496fa15","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"74e2dd4bfdb127989aea85da4983bbac661c3041d02a4aa5f8d7971e0496fa15","first_computed_at":"2026-05-18T01:39:38.061282Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:38.061282Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"60kkYjikNFTDf0LCgv1tuit5a46a26+ZZROLMJeBy0A6gHl6u5bAOBviEE50nPHR9BgSiPO8xNeW971OakPBAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:38.061887Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0702362","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:32cce9ea5c0dfb854c9916a10c80a8afd1b30e50740c67406704ebfef49ede5e","sha256:07fa8e339b67eada18896002a5b58c3a7209d122fd942def2c6838fc8e53973e"],"state_sha256":"d67a38c3c059f189e61ffb06eec90e2be79a88912013a6e8b3b7785e3572f540"}