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We establish this hardening as the direct signature of an ultrafast restoration of the bare lattice potential.","weakest_assumption":"That the observed frequency upshift of the CDW amplitude mode is caused primarily by screening of long-range electron-phonon interactions by the photoexcited carrier plasma rather than by transient heating, nonlinear phonon interactions, or changes in the electronic structure that are not directly measured."}},"verdict_id":"bc75e5b2-c8fa-4352-ac05-3204e127d1fe"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:130a7ae9db2f7235749cf6e0c13f6ff733f0cccc10c777c009f665773b90de1a","target":"record","created_at":"2026-06-02T01:03:38Z","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":"c52e294af0b418822bcc7921fb64b07ae56c86c23757668d838fa0c32aebfdd1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2025-12-02T10:02:41Z","title_canon_sha256":"0278e4fd655cd2ca7177353ba0c6731a50318bd59d05c6ad08ca4f7f083076f3"},"schema_version":"1.0","source":{"id":"2512.02595","kind":"arxiv","version":2}},"canonical_sha256":"bb57caf21d320da26a4332b250d6dfd67600a1a6c7588c75a82d82a2bec00d1b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb57caf21d320da26a4332b250d6dfd67600a1a6c7588c75a82d82a2bec00d1b","first_computed_at":"2026-06-02T01:03:38.990714Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-02T01:03:38.990714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OuZqhJRx9AFA4bGUzUdUTST9bJKO2nDRknfsAA263CCEQ7rRerAbkHXGfEEbLRxewDHNzOsTzZ3u6Sc/qbJUAA==","signature_status":"signed_v1","signed_at":"2026-06-02T01:03:38.991241Z","signed_message":"canonical_sha256_bytes"},"source_id":"2512.02595","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:130a7ae9db2f7235749cf6e0c13f6ff733f0cccc10c777c009f665773b90de1a","sha256:5763950af8e2e680290ceedc64533ec907f393785ae5b0fe601d070f56f15024"],"state_sha256":"46f310d03669b651de7d57c9d123356a5836856b491fb11431041e1289161059"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1Q02YJCmmzAakzcvlSBZD+waicqcp822D+UkUVrFn+PnY+Hba4klBr5fnwYepSG2WftfDMW5WPF0LtvWBgq/AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T19:13:46.809877Z","bundle_sha256":"3b69e1f6e6276241d4c1b4568b8e92d89938b11e342da919c0ded9375ddfe23e"}}