{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:NNNZR25EKFDJIGV6GQIN2AMZG2","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":"fdc8b633df696a1fbe8227fb3440e9fd3409d192888893b10142a0fc2bb605a1","cross_cats_sorted":["physics.optics","q-bio.TO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2013-03-11T19:41:37Z","title_canon_sha256":"7e8316fe297eeb28f8818d6f9610fbd02ef96330acb0dd3c31d18c2d342af323"},"schema_version":"1.0","source":{"id":"1303.2638","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.2638","created_at":"2026-05-18T03:31:18Z"},{"alias_kind":"arxiv_version","alias_value":"1303.2638v1","created_at":"2026-05-18T03:31:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.2638","created_at":"2026-05-18T03:31:18Z"},{"alias_kind":"pith_short_12","alias_value":"NNNZR25EKFDJ","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"NNNZR25EKFDJIGV6","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"NNNZR25E","created_at":"2026-05-18T12:27:52Z"}],"graph_snapshots":[{"event_id":"sha256:fb054e20822d29d7b285e37f981342174e902b3e2ee838bc0580a3f4cf8d5dbc","target":"graph","created_at":"2026-05-18T03:31:18Z","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":"A prospective study was performed on neurosurgical samples from 18 patients to evaluate the use of Full-Field Optical Coherence Tomography (FF-OCT) in brain tumor diagnosis. FF-OCT captures en face slices of tissue samples at 1\\mum resolution in 3D with a typical 200\\mum imaging depth. A 1cm2 specimen is scanned at a single depth and processed in about 5 minutes. This rapid imaging process is non-invasive and 30 requires neither contrast agent injection nor tissue preparation, which makes it particularly well suited to medical imaging applications. Temporal chronic epileptic parenchyma and bra","authors_text":"Bertrand Devaux, Claude Boccara, Fabrice Chretien, Fabrice Harms, Johan Pallud, Kate Grieve, Osnath Assayag, Pascale Varlet","cross_cats":["physics.optics","q-bio.TO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2013-03-11T19:41:37Z","title":"Imaging of non tumorous and tumorous human brain tissue with full-field optical coherence tomography"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.2638","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":"sha256:6220c9a17b67075fa230a026c208fd6544309172b5632a09dba93959c09932f4","target":"record","created_at":"2026-05-18T03:31:18Z","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":"fdc8b633df696a1fbe8227fb3440e9fd3409d192888893b10142a0fc2bb605a1","cross_cats_sorted":["physics.optics","q-bio.TO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2013-03-11T19:41:37Z","title_canon_sha256":"7e8316fe297eeb28f8818d6f9610fbd02ef96330acb0dd3c31d18c2d342af323"},"schema_version":"1.0","source":{"id":"1303.2638","kind":"arxiv","version":1}},"canonical_sha256":"6b5b98eba45146941abe3410dd019936bad1859385a767532be6da219ae16ae6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b5b98eba45146941abe3410dd019936bad1859385a767532be6da219ae16ae6","first_computed_at":"2026-05-18T03:31:18.423021Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:31:18.423021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"woQzKINwxCaOazwrqa41IU8P9oy2tDoAvMwy2KV+NI9jmldL5OiMA6enQnp2WT0uiUuOIV+XrhNSfE6NWspKCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:31:18.423794Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.2638","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6220c9a17b67075fa230a026c208fd6544309172b5632a09dba93959c09932f4","sha256:fb054e20822d29d7b285e37f981342174e902b3e2ee838bc0580a3f4cf8d5dbc"],"state_sha256":"ef39e3e085985290191164036a3286c3fdfa54bdff00ad77f1c3ee9ad48eccd4"}