{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:YHLONZ2I54EN5F2P6HDMVIIZCQ","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":"0ddde10a5852dd9c517e7449392018f18a3d2bb29314a6910b0f8340500627d0","cross_cats_sorted":["physics.app-ph","physics.bio-ph","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2026-07-07T12:31:17Z","title_canon_sha256":"16b4d5af40eef3c4fa5f3ef01d81c923af895aa599a23b528d5ad88dd4c29f87"},"schema_version":"1.0","source":{"id":"2607.06208","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.06208","created_at":"2026-07-08T01:19:17Z"},{"alias_kind":"arxiv_version","alias_value":"2607.06208v1","created_at":"2026-07-08T01:19:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.06208","created_at":"2026-07-08T01:19:17Z"},{"alias_kind":"pith_short_12","alias_value":"YHLONZ2I54EN","created_at":"2026-07-08T01:19:17Z"},{"alias_kind":"pith_short_16","alias_value":"YHLONZ2I54EN5F2P","created_at":"2026-07-08T01:19:17Z"},{"alias_kind":"pith_short_8","alias_value":"YHLONZ2I","created_at":"2026-07-08T01:19:17Z"}],"graph_snapshots":[{"event_id":"sha256:d3b1055b1aa30d46ec7d286701a364e1c5becc2727bc57536132591c179f64fb","target":"graph","created_at":"2026-07-08T01:19:17Z","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/2607.06208/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Wide-field mid-infrared photothermal (MIP) imaging enables chemically specific microscopy with submicron spatial resolution but remains fundamentally limited by the trade-off between field of view, mid-infrared pulse energy, and spectral tunability. As a result, current wide-field implementations are typically restricted to fields of view below 200 {\\mu}m and to either the fingerprint or high-wavenumber spectral regions. Here, we overcome these limitations by developing a wide-field fluorescence-detected mid-infrared photothermal (F-MIP) imaging platform driven by a commercial picosecond optic","authors_text":"Anju Jose, Anooj Thayyil Raveendran, Christoph Krafft, J\\\"urgen Popp, Supatcharee Cael","cross_cats":["physics.app-ph","physics.bio-ph","physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2026-07-07T12:31:17Z","title":"Millimeter-scale wide-field mid-infrared photothermal imaging enabled by a broadly tunable picosecond optical parametric oscillator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.06208","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:ec27a17fbb3c6499ab063f6bf089ada79fa21497c504ad5e61c5d26d9d9c252a","target":"record","created_at":"2026-07-08T01:19:17Z","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":"0ddde10a5852dd9c517e7449392018f18a3d2bb29314a6910b0f8340500627d0","cross_cats_sorted":["physics.app-ph","physics.bio-ph","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2026-07-07T12:31:17Z","title_canon_sha256":"16b4d5af40eef3c4fa5f3ef01d81c923af895aa599a23b528d5ad88dd4c29f87"},"schema_version":"1.0","source":{"id":"2607.06208","kind":"arxiv","version":1}},"canonical_sha256":"c1d6e6e748ef08de974ff1c6caa119142776e13c53612a97bebd7ca56173dd27","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c1d6e6e748ef08de974ff1c6caa119142776e13c53612a97bebd7ca56173dd27","first_computed_at":"2026-07-08T01:19:17.801877Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-08T01:19:17.801877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/Z3eVrynzR/H7ZgPEwxZJflxWKJfuK2UKgASsFgvoz0YCghnrVDeCsLHhnWILzNWIMk5ARBHWUHM6Y+EJ0r7CQ==","signature_status":"signed_v1","signed_at":"2026-07-08T01:19:17.802292Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.06208","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ec27a17fbb3c6499ab063f6bf089ada79fa21497c504ad5e61c5d26d9d9c252a","sha256:d3b1055b1aa30d46ec7d286701a364e1c5becc2727bc57536132591c179f64fb"],"state_sha256":"a2d884030c8f4b362af8da2a4662f8c9922c315d505e673ac5658e856e2a2e8c"}