{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:GLAD3EPFS3NSNGU3P2CTXRA2GL","short_pith_number":"pith:GLAD3EPF","canonical_record":{"source":{"id":"1809.02993","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-09-09T15:46:38Z","cross_cats_sorted":["physics.bio-ph","physics.ins-det"],"title_canon_sha256":"5da4c2f965a7f6077615f83e500eb876783606c9b39cc34a51c5abce1e42dd11","abstract_canon_sha256":"97182cb066d672b9ac0556f13afc0641bfa542ddb43373750e7f9e068ec4d928"},"schema_version":"1.0"},"canonical_sha256":"32c03d91e596db269a9b7e853bc41a32cedc1adf214d39a4e881aa7d7a9720fb","source":{"kind":"arxiv","id":"1809.02993","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.02993","created_at":"2026-07-05T00:00:23Z"},{"alias_kind":"arxiv_version","alias_value":"1809.02993v2","created_at":"2026-07-05T00:00:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.02993","created_at":"2026-07-05T00:00:23Z"},{"alias_kind":"pith_short_12","alias_value":"GLAD3EPFS3NS","created_at":"2026-07-05T00:00:23Z"},{"alias_kind":"pith_short_16","alias_value":"GLAD3EPFS3NSNGU3","created_at":"2026-07-05T00:00:23Z"},{"alias_kind":"pith_short_8","alias_value":"GLAD3EPF","created_at":"2026-07-05T00:00:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:GLAD3EPFS3NSNGU3P2CTXRA2GL","target":"record","payload":{"canonical_record":{"source":{"id":"1809.02993","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-09-09T15:46:38Z","cross_cats_sorted":["physics.bio-ph","physics.ins-det"],"title_canon_sha256":"5da4c2f965a7f6077615f83e500eb876783606c9b39cc34a51c5abce1e42dd11","abstract_canon_sha256":"97182cb066d672b9ac0556f13afc0641bfa542ddb43373750e7f9e068ec4d928"},"schema_version":"1.0"},"canonical_sha256":"32c03d91e596db269a9b7e853bc41a32cedc1adf214d39a4e881aa7d7a9720fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:00:23.106276Z","signature_b64":"R+K0X9EMqrRuLCHgb2lp1DsE2vMoxFvJSc6eFWbFoiiE1WUChZAPKG9aLoziDTKRT/fOuc+DIO7p/6XzOtuhAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"32c03d91e596db269a9b7e853bc41a32cedc1adf214d39a4e881aa7d7a9720fb","last_reissued_at":"2026-07-05T00:00:23.105745Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:00:23.105745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.02993","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:00:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A85H76Ma96YQErfGQeVKDKwMy7Qauu1MZ3RojC74DiHDhQo3fSzz4NI/Bgvza8RXx5gYB3GYOB+NhDbHgU7ZAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T01:00:01.836480Z"},"content_sha256":"d1533deb4602cca7c3c4859b57b81cce590ca68f31bbddbb5de3f5a1cfa35ced","schema_version":"1.0","event_id":"sha256:d1533deb4602cca7c3c4859b57b81cce590ca68f31bbddbb5de3f5a1cfa35ced"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:GLAD3EPFS3NSNGU3P2CTXRA2GL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Local Optimization of Wave-fronts for high sensitivity PHase Imaging (LowPhi)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.bio-ph","physics.ins-det"],"primary_cat":"physics.optics","authors_text":"Andr\\'es de los R\\'ios Sommer, Sylvain Gigan, Thomas Juffmann","submitted_at":"2018-09-09T15:46:38Z","abstract_excerpt":"Phase microscopy is an invaluable tool in the biosciences and in clinical diagnostics. The sensitivity of current phase microscopy techniques is optimized for one specific mean phase value and varies significantly across a given sample. Here, we demonstrate a technique based on wavefront shaping that optimizes the sensitivity across the field of view and for arbitrary phase objects. A significant mean sensitivity enhancement is achieved, both for engineered test samples, as well as for red blood cells. Besides sensitivity enhancement, the technique homogenizes sensitivity, reduces typical phas"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.02993","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1809.02993/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:00:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g4Z9DQKmWWQdXBvXVdlhrmiv8QaRlXJoft1vivi0lcpqLGccPMRFQRkWdiRnGWrMPHKZ6U3n1orzZYU/KAwuBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T01:00:01.836863Z"},"content_sha256":"6190d2c26b3b4f6539dc519e02c7b84c6f6b89c08647769f74c06065ab4c717c","schema_version":"1.0","event_id":"sha256:6190d2c26b3b4f6539dc519e02c7b84c6f6b89c08647769f74c06065ab4c717c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GLAD3EPFS3NSNGU3P2CTXRA2GL/bundle.json","state_url":"https://pith.science/pith/GLAD3EPFS3NSNGU3P2CTXRA2GL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GLAD3EPFS3NSNGU3P2CTXRA2GL/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":"2026-07-09T01:00:01Z","links":{"resolver":"https://pith.science/pith/GLAD3EPFS3NSNGU3P2CTXRA2GL","bundle":"https://pith.science/pith/GLAD3EPFS3NSNGU3P2CTXRA2GL/bundle.json","state":"https://pith.science/pith/GLAD3EPFS3NSNGU3P2CTXRA2GL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GLAD3EPFS3NSNGU3P2CTXRA2GL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:GLAD3EPFS3NSNGU3P2CTXRA2GL","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":"97182cb066d672b9ac0556f13afc0641bfa542ddb43373750e7f9e068ec4d928","cross_cats_sorted":["physics.bio-ph","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-09-09T15:46:38Z","title_canon_sha256":"5da4c2f965a7f6077615f83e500eb876783606c9b39cc34a51c5abce1e42dd11"},"schema_version":"1.0","source":{"id":"1809.02993","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.02993","created_at":"2026-07-05T00:00:23Z"},{"alias_kind":"arxiv_version","alias_value":"1809.02993v2","created_at":"2026-07-05T00:00:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.02993","created_at":"2026-07-05T00:00:23Z"},{"alias_kind":"pith_short_12","alias_value":"GLAD3EPFS3NS","created_at":"2026-07-05T00:00:23Z"},{"alias_kind":"pith_short_16","alias_value":"GLAD3EPFS3NSNGU3","created_at":"2026-07-05T00:00:23Z"},{"alias_kind":"pith_short_8","alias_value":"GLAD3EPF","created_at":"2026-07-05T00:00:23Z"}],"graph_snapshots":[{"event_id":"sha256:6190d2c26b3b4f6539dc519e02c7b84c6f6b89c08647769f74c06065ab4c717c","target":"graph","created_at":"2026-07-05T00:00:23Z","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/1809.02993/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Phase microscopy is an invaluable tool in the biosciences and in clinical diagnostics. The sensitivity of current phase microscopy techniques is optimized for one specific mean phase value and varies significantly across a given sample. Here, we demonstrate a technique based on wavefront shaping that optimizes the sensitivity across the field of view and for arbitrary phase objects. A significant mean sensitivity enhancement is achieved, both for engineered test samples, as well as for red blood cells. Besides sensitivity enhancement, the technique homogenizes sensitivity, reduces typical phas","authors_text":"Andr\\'es de los R\\'ios Sommer, Sylvain Gigan, Thomas Juffmann","cross_cats":["physics.bio-ph","physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-09-09T15:46:38Z","title":"Local Optimization of Wave-fronts for high sensitivity PHase Imaging (LowPhi)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.02993","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:d1533deb4602cca7c3c4859b57b81cce590ca68f31bbddbb5de3f5a1cfa35ced","target":"record","created_at":"2026-07-05T00:00:23Z","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":"97182cb066d672b9ac0556f13afc0641bfa542ddb43373750e7f9e068ec4d928","cross_cats_sorted":["physics.bio-ph","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-09-09T15:46:38Z","title_canon_sha256":"5da4c2f965a7f6077615f83e500eb876783606c9b39cc34a51c5abce1e42dd11"},"schema_version":"1.0","source":{"id":"1809.02993","kind":"arxiv","version":2}},"canonical_sha256":"32c03d91e596db269a9b7e853bc41a32cedc1adf214d39a4e881aa7d7a9720fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"32c03d91e596db269a9b7e853bc41a32cedc1adf214d39a4e881aa7d7a9720fb","first_computed_at":"2026-07-05T00:00:23.105745Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:00:23.105745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"R+K0X9EMqrRuLCHgb2lp1DsE2vMoxFvJSc6eFWbFoiiE1WUChZAPKG9aLoziDTKRT/fOuc+DIO7p/6XzOtuhAw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:00:23.106276Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.02993","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d1533deb4602cca7c3c4859b57b81cce590ca68f31bbddbb5de3f5a1cfa35ced","sha256:6190d2c26b3b4f6539dc519e02c7b84c6f6b89c08647769f74c06065ab4c717c"],"state_sha256":"8a77a41ae72a0bf0f9193685816483235739a46aec92ce3edb3016d6f1f7e69a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bupBxfpuPZgWXM+h//LzQojGhQ67I5wiBNkFjhwxJFO43Jzoc3yxujDtq9SF4A1DK8uIBHRz/CQ000q/I2RHAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T01:00:01.838920Z","bundle_sha256":"fe41c2ff9a14f78ad5997f8c8efd7fbc14d7975a29159fcd5e5620ae166cb591"}}