{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:EVHRA2373MW6VZ5AEOBQHYUT6E","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":"82233e33e3b4b94e859d8840ab4ab07ce07740062d784a82789bb544865bbd27","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-11-25T12:51:24Z","title_canon_sha256":"6ad358de8598e3b23291d4f6887a9ac855c6982386de7460cfb6072e692b380b"},"schema_version":"1.0","source":{"id":"2511.20268","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2511.20268","created_at":"2026-05-25T02:01:10Z"},{"alias_kind":"arxiv_version","alias_value":"2511.20268v2","created_at":"2026-05-25T02:01:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.20268","created_at":"2026-05-25T02:01:10Z"},{"alias_kind":"pith_short_12","alias_value":"EVHRA2373MW6","created_at":"2026-05-25T02:01:10Z"},{"alias_kind":"pith_short_16","alias_value":"EVHRA2373MW6VZ5A","created_at":"2026-05-25T02:01:10Z"},{"alias_kind":"pith_short_8","alias_value":"EVHRA237","created_at":"2026-05-25T02:01:10Z"}],"graph_snapshots":[{"event_id":"sha256:b529db509cb2c446d41d91a98e4e76e43ce34a3c02889de89fc0ea18a3fa8666","target":"graph","created_at":"2026-05-25T02:01:10Z","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/2511.20268/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Collective spin and lattice excitations in quantum materials span energy scales from GHz to THz, yet establishing a unified optical interface for these modes remains a central challenge. Here we show that excitonic resonances in the van der Waals antiferromagnet CrSBr provide a broadband optical interface for such excitations. Using femtosecond broadband transient reflectivity, we resolve coherent GHz magnon and THz phonon modes that modulate the dielectric response over a wide spectral range. Despite their distinct microscopic origin and frequency scales, both excitations give rise to the sam","authors_text":"Alberto Brambilla, Alessandro Ferretti, Alexey V. Scherbakov, David Maximilian Janas, Mattia Benini, Mirko Cinchetti, Rafael R. Rojas-Lopez, Richard Leven, Sophie Bork, Swagata Acharya, Umut Parlak, Vincent Wirsd\\\"orfer","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-11-25T12:51:24Z","title":"Excitonic optical interface for GHz-THz collective excitations in a van der Waals magnet"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.20268","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":"sha256:654f2bd01d2f97609fa5d57c9abd40488f25bc03456ee330c5e87ce7273f8502","target":"record","created_at":"2026-05-25T02:01:10Z","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":"82233e33e3b4b94e859d8840ab4ab07ce07740062d784a82789bb544865bbd27","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-11-25T12:51:24Z","title_canon_sha256":"6ad358de8598e3b23291d4f6887a9ac855c6982386de7460cfb6072e692b380b"},"schema_version":"1.0","source":{"id":"2511.20268","kind":"arxiv","version":2}},"canonical_sha256":"254f106b7fdb2deae7a0238303e293f1029ce59767f24f3bb52d9279ce421420","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"254f106b7fdb2deae7a0238303e293f1029ce59767f24f3bb52d9279ce421420","first_computed_at":"2026-05-25T02:01:10.142516Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-25T02:01:10.142516Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a36NVKTF687mw3/aSxj/teBjN2eKMz6PVLPOSi1kUA2egDo8ZYmGp+5A9wo9qbXxibqvdBmrxBs2TjSHS8AXAA==","signature_status":"signed_v1","signed_at":"2026-05-25T02:01:10.143392Z","signed_message":"canonical_sha256_bytes"},"source_id":"2511.20268","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:654f2bd01d2f97609fa5d57c9abd40488f25bc03456ee330c5e87ce7273f8502","sha256:b529db509cb2c446d41d91a98e4e76e43ce34a3c02889de89fc0ea18a3fa8666"],"state_sha256":"812c004625469f273416d438479c8adc229c22c77fa6eba658c0551836815f5a"}