{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:JTPL2INRFDQUL5DMQ7JL6EP2DZ","short_pith_number":"pith:JTPL2INR","canonical_record":{"source":{"id":"2011.05110","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2020-11-10T14:17:18Z","cross_cats_sorted":["cs.AI","cs.LG"],"title_canon_sha256":"4ea569c77f7ca9f9317e83343253150494e30e36d00598017646f8a288d42568","abstract_canon_sha256":"cdd91ae1414792763bf3bb8b893dc3f0539eedb9e8efdcf5d326941f5b784f70"},"schema_version":"1.0"},"canonical_sha256":"4cdebd21b128e145f46c87d2bf11fa1e4676c722df0e338274db478649850e17","source":{"kind":"arxiv","id":"2011.05110","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.05110","created_at":"2026-07-05T01:53:39Z"},{"alias_kind":"arxiv_version","alias_value":"2011.05110v2","created_at":"2026-07-05T01:53:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.05110","created_at":"2026-07-05T01:53:39Z"},{"alias_kind":"pith_short_12","alias_value":"JTPL2INRFDQU","created_at":"2026-07-05T01:53:39Z"},{"alias_kind":"pith_short_16","alias_value":"JTPL2INRFDQUL5DM","created_at":"2026-07-05T01:53:39Z"},{"alias_kind":"pith_short_8","alias_value":"JTPL2INR","created_at":"2026-07-05T01:53:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:JTPL2INRFDQUL5DMQ7JL6EP2DZ","target":"record","payload":{"canonical_record":{"source":{"id":"2011.05110","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2020-11-10T14:17:18Z","cross_cats_sorted":["cs.AI","cs.LG"],"title_canon_sha256":"4ea569c77f7ca9f9317e83343253150494e30e36d00598017646f8a288d42568","abstract_canon_sha256":"cdd91ae1414792763bf3bb8b893dc3f0539eedb9e8efdcf5d326941f5b784f70"},"schema_version":"1.0"},"canonical_sha256":"4cdebd21b128e145f46c87d2bf11fa1e4676c722df0e338274db478649850e17","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:53:39.843065Z","signature_b64":"whBi/jQlFJNFPMRP43IOLH9inhYgDeMpRA4f3akptWhqG+hv+P95DooF3KkhHhhnCyouSS/9PA42BLhPtOM6Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4cdebd21b128e145f46c87d2bf11fa1e4676c722df0e338274db478649850e17","last_reissued_at":"2026-07-05T01:53:39.842646Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:53:39.842646Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2011.05110","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":"2026-07-05T01:53:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WT1ekVa4vu2WSNcRTFr3/F2IItwzqpuDrVmMwD4odG0io89hbvandTTNqH0SWZVzLtHree6EU2yWd/crMc1LDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T01:48:38.998903Z"},"content_sha256":"6bfc4cfd78f99e9ed9cfb2ca3b1639b1982b09ce77d2a712188aea64b96b33c5","schema_version":"1.0","event_id":"sha256:6bfc4cfd78f99e9ed9cfb2ca3b1639b1982b09ce77d2a712188aea64b96b33c5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:JTPL2INRFDQUL5DMQ7JL6EP2DZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Invertible Neural Networks for Uncertainty Quantification in Photoacoustic Imaging","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.LG"],"primary_cat":"physics.med-ph","authors_text":"Carsten Rother, Janek Gr\\\"ohl, Jan-Hinrich N\\\"olke, Lena Maier-Hein, Lynton Ardizzone, Thomas Kirchner, Tim Adler, Ullrich K\\\"othe","submitted_at":"2020-11-10T14:17:18Z","abstract_excerpt":"Multispectral photoacoustic imaging (PAI) is an emerging imaging modality which enables the recovery of functional tissue parameters such as blood oxygenation. However, the underlying inverse problems are potentially ill-posed, meaning that radically different tissue properties may - in theory - yield comparable measurements. In this work, we present a new approach for handling this specific type of uncertainty by leveraging the concept of conditional invertible neural networks (cINNs). Specifically, we propose going beyond commonly used point estimates for tissue oxygenation and converting si"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.05110","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/2011.05110/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":"2026-07-05T01:53:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OKoCmkliDr9V2BvZJ4q8ZZ5nfzlTq/RyGiRASvHoC3UlygNYLUBordUZaaGV1dGLDXzChbsOcCpCjc91OD5XAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T01:48:38.999280Z"},"content_sha256":"c4455c3b5204da5d68fefcd9b3ad435de607aeb01074a23ab597ea6a542691c0","schema_version":"1.0","event_id":"sha256:c4455c3b5204da5d68fefcd9b3ad435de607aeb01074a23ab597ea6a542691c0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JTPL2INRFDQUL5DMQ7JL6EP2DZ/bundle.json","state_url":"https://pith.science/pith/JTPL2INRFDQUL5DMQ7JL6EP2DZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JTPL2INRFDQUL5DMQ7JL6EP2DZ/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":"2026-07-09T01:48:39Z","links":{"resolver":"https://pith.science/pith/JTPL2INRFDQUL5DMQ7JL6EP2DZ","bundle":"https://pith.science/pith/JTPL2INRFDQUL5DMQ7JL6EP2DZ/bundle.json","state":"https://pith.science/pith/JTPL2INRFDQUL5DMQ7JL6EP2DZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JTPL2INRFDQUL5DMQ7JL6EP2DZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:JTPL2INRFDQUL5DMQ7JL6EP2DZ","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":"cdd91ae1414792763bf3bb8b893dc3f0539eedb9e8efdcf5d326941f5b784f70","cross_cats_sorted":["cs.AI","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2020-11-10T14:17:18Z","title_canon_sha256":"4ea569c77f7ca9f9317e83343253150494e30e36d00598017646f8a288d42568"},"schema_version":"1.0","source":{"id":"2011.05110","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.05110","created_at":"2026-07-05T01:53:39Z"},{"alias_kind":"arxiv_version","alias_value":"2011.05110v2","created_at":"2026-07-05T01:53:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.05110","created_at":"2026-07-05T01:53:39Z"},{"alias_kind":"pith_short_12","alias_value":"JTPL2INRFDQU","created_at":"2026-07-05T01:53:39Z"},{"alias_kind":"pith_short_16","alias_value":"JTPL2INRFDQUL5DM","created_at":"2026-07-05T01:53:39Z"},{"alias_kind":"pith_short_8","alias_value":"JTPL2INR","created_at":"2026-07-05T01:53:39Z"}],"graph_snapshots":[{"event_id":"sha256:c4455c3b5204da5d68fefcd9b3ad435de607aeb01074a23ab597ea6a542691c0","target":"graph","created_at":"2026-07-05T01:53:39Z","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/2011.05110/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multispectral photoacoustic imaging (PAI) is an emerging imaging modality which enables the recovery of functional tissue parameters such as blood oxygenation. However, the underlying inverse problems are potentially ill-posed, meaning that radically different tissue properties may - in theory - yield comparable measurements. In this work, we present a new approach for handling this specific type of uncertainty by leveraging the concept of conditional invertible neural networks (cINNs). Specifically, we propose going beyond commonly used point estimates for tissue oxygenation and converting si","authors_text":"Carsten Rother, Janek Gr\\\"ohl, Jan-Hinrich N\\\"olke, Lena Maier-Hein, Lynton Ardizzone, Thomas Kirchner, Tim Adler, Ullrich K\\\"othe","cross_cats":["cs.AI","cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2020-11-10T14:17:18Z","title":"Invertible Neural Networks for Uncertainty Quantification in Photoacoustic Imaging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.05110","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":"sha256:6bfc4cfd78f99e9ed9cfb2ca3b1639b1982b09ce77d2a712188aea64b96b33c5","target":"record","created_at":"2026-07-05T01:53:39Z","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":"cdd91ae1414792763bf3bb8b893dc3f0539eedb9e8efdcf5d326941f5b784f70","cross_cats_sorted":["cs.AI","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2020-11-10T14:17:18Z","title_canon_sha256":"4ea569c77f7ca9f9317e83343253150494e30e36d00598017646f8a288d42568"},"schema_version":"1.0","source":{"id":"2011.05110","kind":"arxiv","version":2}},"canonical_sha256":"4cdebd21b128e145f46c87d2bf11fa1e4676c722df0e338274db478649850e17","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4cdebd21b128e145f46c87d2bf11fa1e4676c722df0e338274db478649850e17","first_computed_at":"2026-07-05T01:53:39.842646Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:53:39.842646Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"whBi/jQlFJNFPMRP43IOLH9inhYgDeMpRA4f3akptWhqG+hv+P95DooF3KkhHhhnCyouSS/9PA42BLhPtOM6Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:53:39.843065Z","signed_message":"canonical_sha256_bytes"},"source_id":"2011.05110","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6bfc4cfd78f99e9ed9cfb2ca3b1639b1982b09ce77d2a712188aea64b96b33c5","sha256:c4455c3b5204da5d68fefcd9b3ad435de607aeb01074a23ab597ea6a542691c0"],"state_sha256":"e45b60cb11fb69e2dccbf363eedf3478b9eb10f8d7983472e97890c9a4838c94"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P0QhpZNLNWHExXpwO+QIASfyMm050KYpjSZsSxH712xNoScceiDNfOyMsmhboFR3lQdy/IP6xQrDlPz/Xrj4AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T01:48:39.001371Z","bundle_sha256":"589c1cb8ee72a33c76f1d2dd4b12d0624a9b9929b670b385caef981f5dc76e50"}}