{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:WOENORW5EDZ3TDWQWANE7AJCBQ","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":"fc27ac82a02a750892510767216c8d4fab1633e54a5be2796fa6ee3d69727dc3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-19T19:30:28Z","title_canon_sha256":"21aa6c9fa043d837930aaa0150a413ee225f887a9f9b969c70f74a49d1cd96ad"},"schema_version":"1.0","source":{"id":"1202.4178","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.4178","created_at":"2026-05-18T03:54:25Z"},{"alias_kind":"arxiv_version","alias_value":"1202.4178v1","created_at":"2026-05-18T03:54:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.4178","created_at":"2026-05-18T03:54:25Z"},{"alias_kind":"pith_short_12","alias_value":"WOENORW5EDZ3","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"WOENORW5EDZ3TDWQ","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"WOENORW5","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:00d0d8e1fa5b27cbe643c23e3c500a8b011449c5d005fb61d04f7a967ddcbd51","target":"graph","created_at":"2026-05-18T03:54:25Z","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":"The selective optical detection of individual metallic nanoparticles (NPs) with high spatial and temporal resolution is a challenging endeavour, yet is key to the understanding of their optical response and their exploitation in applications from miniaturised optoelectronics and sensors to medical diagnostics and therapeutics. However, only few reports on ultrafast pump-probe spectroscopy on single small metallic NPs are available to date. Here, we demonstrate a novel phase-sensitive four-wave mixing (FWM) microscopy in heterodyne detection to resolve for the first time the ultrafast changes o","authors_text":"Francesco Masia, Paola Borri, Wolfgang Langbein","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-19T19:30:28Z","title":"Femtosecond phase-resolved microscopy of plasmon dynamics in individual gold nanospheres"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.4178","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":"sha256:5dba84d1085e99af73ec5ee0f2d650ae205ff14d063bd4f3d8113cb6a937a58f","target":"record","created_at":"2026-05-18T03:54:25Z","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":"fc27ac82a02a750892510767216c8d4fab1633e54a5be2796fa6ee3d69727dc3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-19T19:30:28Z","title_canon_sha256":"21aa6c9fa043d837930aaa0150a413ee225f887a9f9b969c70f74a49d1cd96ad"},"schema_version":"1.0","source":{"id":"1202.4178","kind":"arxiv","version":1}},"canonical_sha256":"b388d746dd20f3b98ed0b01a4f81220c2f656379c1007614299966b421b4ce6c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b388d746dd20f3b98ed0b01a4f81220c2f656379c1007614299966b421b4ce6c","first_computed_at":"2026-05-18T03:54:25.709269Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:54:25.709269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"57H970nXrn48LYWt8TPWwVpGKfRE0Vbvv9a2HOXY3j6PVSiBfNP3l6ITmB6Af5tFM46WuPc75QT4YtEzDLK4Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:54:25.709674Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.4178","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5dba84d1085e99af73ec5ee0f2d650ae205ff14d063bd4f3d8113cb6a937a58f","sha256:00d0d8e1fa5b27cbe643c23e3c500a8b011449c5d005fb61d04f7a967ddcbd51"],"state_sha256":"3c95be0d72b33940f8a0e75a2547a78494314e339ec296c6dd0384e567877217"}