{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:PZPKGFSPO6MIXBHN67XFPRMVKD","short_pith_number":"pith:PZPKGFSP","canonical_record":{"source":{"id":"2006.01897","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2020-06-02T19:24:28Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"3ae098e418a29bb9c630d3d178c1c9d9b0cb922c6515a6506bdc4a36e1354a70","abstract_canon_sha256":"ccb1d3dba6dd0717e3ff0cd76878a9b9af2c9a4c708115ced8e9220ed3530150"},"schema_version":"1.0"},"canonical_sha256":"7e5ea3164f77988b84edf7ee57c59550ccf542206bd9e479fb3248d996b1717e","source":{"kind":"arxiv","id":"2006.01897","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.01897","created_at":"2026-07-05T01:07:42Z"},{"alias_kind":"arxiv_version","alias_value":"2006.01897v1","created_at":"2026-07-05T01:07:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.01897","created_at":"2026-07-05T01:07:42Z"},{"alias_kind":"pith_short_12","alias_value":"PZPKGFSPO6MI","created_at":"2026-07-05T01:07:42Z"},{"alias_kind":"pith_short_16","alias_value":"PZPKGFSPO6MIXBHN","created_at":"2026-07-05T01:07:42Z"},{"alias_kind":"pith_short_8","alias_value":"PZPKGFSP","created_at":"2026-07-05T01:07:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:PZPKGFSPO6MIXBHN67XFPRMVKD","target":"record","payload":{"canonical_record":{"source":{"id":"2006.01897","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2020-06-02T19:24:28Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"3ae098e418a29bb9c630d3d178c1c9d9b0cb922c6515a6506bdc4a36e1354a70","abstract_canon_sha256":"ccb1d3dba6dd0717e3ff0cd76878a9b9af2c9a4c708115ced8e9220ed3530150"},"schema_version":"1.0"},"canonical_sha256":"7e5ea3164f77988b84edf7ee57c59550ccf542206bd9e479fb3248d996b1717e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:07:42.392295Z","signature_b64":"enoPz6S4LKkuABvocqoYpr7ju+ZFaADBkPFabL3OWJ0QOBvSGvMFNUpDOZiwPvR8uh2nUMs6uE2nKgCd0Ph+DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7e5ea3164f77988b84edf7ee57c59550ccf542206bd9e479fb3248d996b1717e","last_reissued_at":"2026-07-05T01:07:42.391939Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:07:42.391939Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2006.01897","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":"2026-07-05T01:07:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f4JWqMA2qTl8NTO8KSuBEYVDWFXN7TEsM3GRzW/A7zXgJSXYliLXmfV0rC7M/0eLCQ0lOlcFBXEdr+VPaPWJDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:43:54.770344Z"},"content_sha256":"54270eba10eb4d8b09c749f5246fcf916c4b411a72ccaa6dd9c4c2fec2352fce","schema_version":"1.0","event_id":"sha256:54270eba10eb4d8b09c749f5246fcf916c4b411a72ccaa6dd9c4c2fec2352fce"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:PZPKGFSPO6MIXBHN67XFPRMVKD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Automatic Differentiation for All Photons Imaging to See Inside Volumetric Scattering Media","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"eess.IV","authors_text":"Ankit Ranjan, Ramesh Raskar, Tomohiro Maeda","submitted_at":"2020-06-02T19:24:28Z","abstract_excerpt":"Imaging through dense scattering media - such as biological tissue, fog, and smoke - has applications in the medical and robotics fields. We propose a new framework using automatic differentiation for All Photons Imaging through homogeneous scattering media with unknown optical properties for non-invasive sensing and diagnostics. We overcome the need for the imaging target to be visible to the illumination source in All Photons Imaging, enabling practical and non-invasive imaging through turbid media with a simple optical setup. Our method does not require calibration to acquire the sensor pos"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.01897","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2006.01897/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":"2026-07-05T01:07:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oQeuy27TWZ1xggautdXS24fqH1V3Wgup61JXl4odn2YXB0oSviEzgfZ8vzwHIw2BPRnXkOC9ISxQml+EzXYvAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:43:54.770730Z"},"content_sha256":"49bfdc28103e61596659de23c6a4025b08d4bd7da316e8ab15c60e83042eb2d6","schema_version":"1.0","event_id":"sha256:49bfdc28103e61596659de23c6a4025b08d4bd7da316e8ab15c60e83042eb2d6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PZPKGFSPO6MIXBHN67XFPRMVKD/bundle.json","state_url":"https://pith.science/pith/PZPKGFSPO6MIXBHN67XFPRMVKD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PZPKGFSPO6MIXBHN67XFPRMVKD/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":"2026-07-07T14:43:54Z","links":{"resolver":"https://pith.science/pith/PZPKGFSPO6MIXBHN67XFPRMVKD","bundle":"https://pith.science/pith/PZPKGFSPO6MIXBHN67XFPRMVKD/bundle.json","state":"https://pith.science/pith/PZPKGFSPO6MIXBHN67XFPRMVKD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PZPKGFSPO6MIXBHN67XFPRMVKD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:PZPKGFSPO6MIXBHN67XFPRMVKD","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":"ccb1d3dba6dd0717e3ff0cd76878a9b9af2c9a4c708115ced8e9220ed3530150","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2020-06-02T19:24:28Z","title_canon_sha256":"3ae098e418a29bb9c630d3d178c1c9d9b0cb922c6515a6506bdc4a36e1354a70"},"schema_version":"1.0","source":{"id":"2006.01897","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.01897","created_at":"2026-07-05T01:07:42Z"},{"alias_kind":"arxiv_version","alias_value":"2006.01897v1","created_at":"2026-07-05T01:07:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.01897","created_at":"2026-07-05T01:07:42Z"},{"alias_kind":"pith_short_12","alias_value":"PZPKGFSPO6MI","created_at":"2026-07-05T01:07:42Z"},{"alias_kind":"pith_short_16","alias_value":"PZPKGFSPO6MIXBHN","created_at":"2026-07-05T01:07:42Z"},{"alias_kind":"pith_short_8","alias_value":"PZPKGFSP","created_at":"2026-07-05T01:07:42Z"}],"graph_snapshots":[{"event_id":"sha256:49bfdc28103e61596659de23c6a4025b08d4bd7da316e8ab15c60e83042eb2d6","target":"graph","created_at":"2026-07-05T01:07:42Z","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/2006.01897/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Imaging through dense scattering media - such as biological tissue, fog, and smoke - has applications in the medical and robotics fields. We propose a new framework using automatic differentiation for All Photons Imaging through homogeneous scattering media with unknown optical properties for non-invasive sensing and diagnostics. We overcome the need for the imaging target to be visible to the illumination source in All Photons Imaging, enabling practical and non-invasive imaging through turbid media with a simple optical setup. Our method does not require calibration to acquire the sensor pos","authors_text":"Ankit Ranjan, Ramesh Raskar, Tomohiro Maeda","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2020-06-02T19:24:28Z","title":"Automatic Differentiation for All Photons Imaging to See Inside Volumetric Scattering Media"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.01897","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":"sha256:54270eba10eb4d8b09c749f5246fcf916c4b411a72ccaa6dd9c4c2fec2352fce","target":"record","created_at":"2026-07-05T01:07:42Z","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":"ccb1d3dba6dd0717e3ff0cd76878a9b9af2c9a4c708115ced8e9220ed3530150","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2020-06-02T19:24:28Z","title_canon_sha256":"3ae098e418a29bb9c630d3d178c1c9d9b0cb922c6515a6506bdc4a36e1354a70"},"schema_version":"1.0","source":{"id":"2006.01897","kind":"arxiv","version":1}},"canonical_sha256":"7e5ea3164f77988b84edf7ee57c59550ccf542206bd9e479fb3248d996b1717e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e5ea3164f77988b84edf7ee57c59550ccf542206bd9e479fb3248d996b1717e","first_computed_at":"2026-07-05T01:07:42.391939Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:07:42.391939Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"enoPz6S4LKkuABvocqoYpr7ju+ZFaADBkPFabL3OWJ0QOBvSGvMFNUpDOZiwPvR8uh2nUMs6uE2nKgCd0Ph+DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:07:42.392295Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.01897","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:54270eba10eb4d8b09c749f5246fcf916c4b411a72ccaa6dd9c4c2fec2352fce","sha256:49bfdc28103e61596659de23c6a4025b08d4bd7da316e8ab15c60e83042eb2d6"],"state_sha256":"f245ab73f7f692382393ed9635888744098e5a2f75d01a70f0f62178101a2160"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"smGuPp9Wv+GIIf1hAj/U54H0DUn8gdd5ZSZuQEfxSJ1E+3DCZGAUX0aPA1piaucOXOMAdx2TDmLwqPj2GwrqDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T14:43:54.773018Z","bundle_sha256":"091eefaa63135cfb0b4100b9cd2cc2b7f7bb1b8a6ae7136d5f942ef3d4292c5c"}}