{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:AGTGFCDNJSOSQCKLFHQU4XD2DM","short_pith_number":"pith:AGTGFCDN","canonical_record":{"source":{"id":"1802.08986","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-02-25T11:11:08Z","cross_cats_sorted":["physics.bio-ph"],"title_canon_sha256":"3f38e462bc942a1bb499456d36fbcd955ce0f91b8ab73ebf513953e3580926d3","abstract_canon_sha256":"a1e17ec02534078621d7f89374f2b3e781f413a31be3fefe42e9dadeb68104f2"},"schema_version":"1.0"},"canonical_sha256":"01a662886d4c9d28094b29e14e5c7a1b384444fa0cb3de15e024af43bde1497e","source":{"kind":"arxiv","id":"1802.08986","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.08986","created_at":"2026-05-18T00:17:18Z"},{"alias_kind":"arxiv_version","alias_value":"1802.08986v1","created_at":"2026-05-18T00:17:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.08986","created_at":"2026-05-18T00:17:18Z"},{"alias_kind":"pith_short_12","alias_value":"AGTGFCDNJSOS","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"AGTGFCDNJSOSQCKL","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"AGTGFCDN","created_at":"2026-05-18T12:32:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:AGTGFCDNJSOSQCKLFHQU4XD2DM","target":"record","payload":{"canonical_record":{"source":{"id":"1802.08986","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-02-25T11:11:08Z","cross_cats_sorted":["physics.bio-ph"],"title_canon_sha256":"3f38e462bc942a1bb499456d36fbcd955ce0f91b8ab73ebf513953e3580926d3","abstract_canon_sha256":"a1e17ec02534078621d7f89374f2b3e781f413a31be3fefe42e9dadeb68104f2"},"schema_version":"1.0"},"canonical_sha256":"01a662886d4c9d28094b29e14e5c7a1b384444fa0cb3de15e024af43bde1497e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:18.562622Z","signature_b64":"4YO0uy5JG1HKisE3qWdy+h/x/QzsvH1nlDfpMumsIYc73X65Lf22B01djswfGh23EtI1SNEopcikhcRFR4sZBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"01a662886d4c9d28094b29e14e5c7a1b384444fa0cb3de15e024af43bde1497e","last_reissued_at":"2026-05-18T00:17:18.562132Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:18.562132Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.08986","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:17:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3bReCor4PBfhMsglaiC2JYfELJ16vnwGTz61Hccew1EDme64ccWnCewDzgf/fSFqod3AJPenL0awhjzpxTRMBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:04:26.366927Z"},"content_sha256":"7ebdc8d4810d68098f4ef335c48fd5c4333f7cb4bae8758c59d53ec8bbd5564b","schema_version":"1.0","event_id":"sha256:7ebdc8d4810d68098f4ef335c48fd5c4333f7cb4bae8758c59d53ec8bbd5564b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:AGTGFCDNJSOSQCKLFHQU4XD2DM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Wide field fluorescence epi-microscopy behind a scattering medium enabled by speckle correlations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.bio-ph"],"primary_cat":"physics.optics","authors_text":"Christian Soeller, Jacopo Bertolotti, Matthias Hofer, Sophie Brasselet","submitted_at":"2018-02-25T11:11:08Z","abstract_excerpt":"Fluorescence microscopy is widely used in biological imaging, however scattering from tissues strongly limits its applicability to a shallow depth. In this work we adapt a methodology inspired from stellar speckle interferometry, and exploit the optical memory effect to enable fluorescence microscopy through a turbid layer. We demonstrate efficient reconstruction of micrometer-size fluorescent objects behind a scattering medium in epi-microscopy, and study the specificities of this imaging modality (magnification, field of view, resolution) as compared to traditional microscopy. Using a modifi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.08986","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:17:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ETKsC37oOTLwG7NuaWhcjH1ldHNzcUmams/qsU6KBgIjdYSajEFSwExreRKOsDTViTE/Rdw6sq8iDubIyxR3Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:04:26.367626Z"},"content_sha256":"c9b802051add75b772ee9e4daf85a231fae9fe783c926d34aeb6414e633c2154","schema_version":"1.0","event_id":"sha256:c9b802051add75b772ee9e4daf85a231fae9fe783c926d34aeb6414e633c2154"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AGTGFCDNJSOSQCKLFHQU4XD2DM/bundle.json","state_url":"https://pith.science/pith/AGTGFCDNJSOSQCKLFHQU4XD2DM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AGTGFCDNJSOSQCKLFHQU4XD2DM/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-08T15:04:26Z","links":{"resolver":"https://pith.science/pith/AGTGFCDNJSOSQCKLFHQU4XD2DM","bundle":"https://pith.science/pith/AGTGFCDNJSOSQCKLFHQU4XD2DM/bundle.json","state":"https://pith.science/pith/AGTGFCDNJSOSQCKLFHQU4XD2DM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AGTGFCDNJSOSQCKLFHQU4XD2DM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:AGTGFCDNJSOSQCKLFHQU4XD2DM","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":"a1e17ec02534078621d7f89374f2b3e781f413a31be3fefe42e9dadeb68104f2","cross_cats_sorted":["physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-02-25T11:11:08Z","title_canon_sha256":"3f38e462bc942a1bb499456d36fbcd955ce0f91b8ab73ebf513953e3580926d3"},"schema_version":"1.0","source":{"id":"1802.08986","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.08986","created_at":"2026-05-18T00:17:18Z"},{"alias_kind":"arxiv_version","alias_value":"1802.08986v1","created_at":"2026-05-18T00:17:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.08986","created_at":"2026-05-18T00:17:18Z"},{"alias_kind":"pith_short_12","alias_value":"AGTGFCDNJSOS","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"AGTGFCDNJSOSQCKL","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"AGTGFCDN","created_at":"2026-05-18T12:32:13Z"}],"graph_snapshots":[{"event_id":"sha256:c9b802051add75b772ee9e4daf85a231fae9fe783c926d34aeb6414e633c2154","target":"graph","created_at":"2026-05-18T00:17:18Z","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":"Fluorescence microscopy is widely used in biological imaging, however scattering from tissues strongly limits its applicability to a shallow depth. In this work we adapt a methodology inspired from stellar speckle interferometry, and exploit the optical memory effect to enable fluorescence microscopy through a turbid layer. We demonstrate efficient reconstruction of micrometer-size fluorescent objects behind a scattering medium in epi-microscopy, and study the specificities of this imaging modality (magnification, field of view, resolution) as compared to traditional microscopy. Using a modifi","authors_text":"Christian Soeller, Jacopo Bertolotti, Matthias Hofer, Sophie Brasselet","cross_cats":["physics.bio-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-02-25T11:11:08Z","title":"Wide field fluorescence epi-microscopy behind a scattering medium enabled by speckle correlations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.08986","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":"sha256:7ebdc8d4810d68098f4ef335c48fd5c4333f7cb4bae8758c59d53ec8bbd5564b","target":"record","created_at":"2026-05-18T00:17:18Z","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":"a1e17ec02534078621d7f89374f2b3e781f413a31be3fefe42e9dadeb68104f2","cross_cats_sorted":["physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-02-25T11:11:08Z","title_canon_sha256":"3f38e462bc942a1bb499456d36fbcd955ce0f91b8ab73ebf513953e3580926d3"},"schema_version":"1.0","source":{"id":"1802.08986","kind":"arxiv","version":1}},"canonical_sha256":"01a662886d4c9d28094b29e14e5c7a1b384444fa0cb3de15e024af43bde1497e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"01a662886d4c9d28094b29e14e5c7a1b384444fa0cb3de15e024af43bde1497e","first_computed_at":"2026-05-18T00:17:18.562132Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:18.562132Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4YO0uy5JG1HKisE3qWdy+h/x/QzsvH1nlDfpMumsIYc73X65Lf22B01djswfGh23EtI1SNEopcikhcRFR4sZBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:18.562622Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.08986","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ebdc8d4810d68098f4ef335c48fd5c4333f7cb4bae8758c59d53ec8bbd5564b","sha256:c9b802051add75b772ee9e4daf85a231fae9fe783c926d34aeb6414e633c2154"],"state_sha256":"3d097e2e1a6c30b34193b4ef675653ff254e2c5ac0e9727bf2a52b2c296e4ad3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R/M+2eIOZbkb3F6Fgk27f1qOG+eS8s9d7gOPQGzRQiYzl7NToLPxh3eER2UdHKxFfgDhVElagSHfRUlWmbHZCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T15:04:26.370869Z","bundle_sha256":"aa82a1cb70fbce835190af525c166427cb7782250470e62ca9020e68dd2092b3"}}