{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:EML4OWLPWZSWUU4IKJLAI3FMTS","short_pith_number":"pith:EML4OWLP","canonical_record":{"source":{"id":"1712.08990","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2017-12-25T02:26:31Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"c3fafd0e0ecdc58a59cec1a7260c22959feec6be31c3fc71271014813b4a7375","abstract_canon_sha256":"74fde917f373d735c9e80a269b5904158b3cbc9703931e7b4e046f07aa27c66a"},"schema_version":"1.0"},"canonical_sha256":"2317c7596fb6656a53885256046cac9cb5136acd22dd81573ec0180fe0d706bb","source":{"kind":"arxiv","id":"1712.08990","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.08990","created_at":"2026-05-18T00:22:18Z"},{"alias_kind":"arxiv_version","alias_value":"1712.08990v2","created_at":"2026-05-18T00:22:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.08990","created_at":"2026-05-18T00:22:18Z"},{"alias_kind":"pith_short_12","alias_value":"EML4OWLPWZSW","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EML4OWLPWZSWUU4I","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EML4OWLP","created_at":"2026-05-18T12:31:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:EML4OWLPWZSWUU4IKJLAI3FMTS","target":"record","payload":{"canonical_record":{"source":{"id":"1712.08990","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2017-12-25T02:26:31Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"c3fafd0e0ecdc58a59cec1a7260c22959feec6be31c3fc71271014813b4a7375","abstract_canon_sha256":"74fde917f373d735c9e80a269b5904158b3cbc9703931e7b4e046f07aa27c66a"},"schema_version":"1.0"},"canonical_sha256":"2317c7596fb6656a53885256046cac9cb5136acd22dd81573ec0180fe0d706bb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:18.394222Z","signature_b64":"ZqKInfFIefBsojjtdaDWtCcoD8tL/uuJAc962+e1Z425KdncnISHSNT2Dk8+ILEIed+7zWqufjEfUu22ur3GDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2317c7596fb6656a53885256046cac9cb5136acd22dd81573ec0180fe0d706bb","last_reissued_at":"2026-05-18T00:22:18.393836Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:18.393836Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.08990","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":"2026-05-18T00:22:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YzGZjOavsN/aWhGuXiOsCBRyC35RNnmlTAJ7FDIbW5oD5OltJ0w516sCPavC/XOd/3XCfSJM+PQIcWe6Un4nBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T13:50:39.893434Z"},"content_sha256":"2188ed4269c6c62d48a706cc37304d5db1fa313a3b2d880dc2030e2304b8f466","schema_version":"1.0","event_id":"sha256:2188ed4269c6c62d48a706cc37304d5db1fa313a3b2d880dc2030e2304b8f466"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:EML4OWLPWZSWUU4IKJLAI3FMTS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamically enhanced optical coherence tomography","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.med-ph","authors_text":"Kenichiro Aoki, Takahisa Mitsui","submitted_at":"2017-12-25T02:26:31Z","abstract_excerpt":"Optical coherence tomography (OCT) uses low-coherence reflectometry to obtain cross-sectional images of inhomogeneous media, such as biological tissue. OCT is particularly useful in the biomedical ea, since the imaging can be performed non-invasively, and in a relatively short time. As such, OCT is not only used in research, but has proven to be effective in clinical practice, with the fields of its application continuing to grow. In OCT, essentially, the reflectance of each cross-section along the depth direction is obtained with high spatial resolution ($\\bm {\\sim10\\,\\mu}$m), revealing the s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.08990","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":""},"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":"2026-05-18T00:22:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WH7w3MfIny+UjFPRXEbkIyFiKNAp+9KNzIYpvP/4zaA78T7ThWtIKIdTwlP10PBSOtEucRNRhXWC0kY3I9TQCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T13:50:39.893789Z"},"content_sha256":"513098b4a3f6ad5e98c7a0cb0512da8cbd2357ec905ce8e41d3d2d78317d739f","schema_version":"1.0","event_id":"sha256:513098b4a3f6ad5e98c7a0cb0512da8cbd2357ec905ce8e41d3d2d78317d739f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EML4OWLPWZSWUU4IKJLAI3FMTS/bundle.json","state_url":"https://pith.science/pith/EML4OWLPWZSWUU4IKJLAI3FMTS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EML4OWLPWZSWUU4IKJLAI3FMTS/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":"2026-06-23T13:50:39Z","links":{"resolver":"https://pith.science/pith/EML4OWLPWZSWUU4IKJLAI3FMTS","bundle":"https://pith.science/pith/EML4OWLPWZSWUU4IKJLAI3FMTS/bundle.json","state":"https://pith.science/pith/EML4OWLPWZSWUU4IKJLAI3FMTS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EML4OWLPWZSWUU4IKJLAI3FMTS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:EML4OWLPWZSWUU4IKJLAI3FMTS","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":"74fde917f373d735c9e80a269b5904158b3cbc9703931e7b4e046f07aa27c66a","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2017-12-25T02:26:31Z","title_canon_sha256":"c3fafd0e0ecdc58a59cec1a7260c22959feec6be31c3fc71271014813b4a7375"},"schema_version":"1.0","source":{"id":"1712.08990","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.08990","created_at":"2026-05-18T00:22:18Z"},{"alias_kind":"arxiv_version","alias_value":"1712.08990v2","created_at":"2026-05-18T00:22:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.08990","created_at":"2026-05-18T00:22:18Z"},{"alias_kind":"pith_short_12","alias_value":"EML4OWLPWZSW","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EML4OWLPWZSWUU4I","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EML4OWLP","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:513098b4a3f6ad5e98c7a0cb0512da8cbd2357ec905ce8e41d3d2d78317d739f","target":"graph","created_at":"2026-05-18T00:22:18Z","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":"Optical coherence tomography (OCT) uses low-coherence reflectometry to obtain cross-sectional images of inhomogeneous media, such as biological tissue. OCT is particularly useful in the biomedical ea, since the imaging can be performed non-invasively, and in a relatively short time. As such, OCT is not only used in research, but has proven to be effective in clinical practice, with the fields of its application continuing to grow. In OCT, essentially, the reflectance of each cross-section along the depth direction is obtained with high spatial resolution ($\\bm {\\sim10\\,\\mu}$m), revealing the s","authors_text":"Kenichiro Aoki, Takahisa Mitsui","cross_cats":["physics.app-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2017-12-25T02:26:31Z","title":"Dynamically enhanced optical coherence tomography"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.08990","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":"sha256:2188ed4269c6c62d48a706cc37304d5db1fa313a3b2d880dc2030e2304b8f466","target":"record","created_at":"2026-05-18T00:22:18Z","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":"74fde917f373d735c9e80a269b5904158b3cbc9703931e7b4e046f07aa27c66a","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2017-12-25T02:26:31Z","title_canon_sha256":"c3fafd0e0ecdc58a59cec1a7260c22959feec6be31c3fc71271014813b4a7375"},"schema_version":"1.0","source":{"id":"1712.08990","kind":"arxiv","version":2}},"canonical_sha256":"2317c7596fb6656a53885256046cac9cb5136acd22dd81573ec0180fe0d706bb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2317c7596fb6656a53885256046cac9cb5136acd22dd81573ec0180fe0d706bb","first_computed_at":"2026-05-18T00:22:18.393836Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:18.393836Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZqKInfFIefBsojjtdaDWtCcoD8tL/uuJAc962+e1Z425KdncnISHSNT2Dk8+ILEIed+7zWqufjEfUu22ur3GDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:18.394222Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.08990","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2188ed4269c6c62d48a706cc37304d5db1fa313a3b2d880dc2030e2304b8f466","sha256:513098b4a3f6ad5e98c7a0cb0512da8cbd2357ec905ce8e41d3d2d78317d739f"],"state_sha256":"76380842a40dd61ac08bf6a99c53db408aa56b563bbaf8bfe697f42996960736"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QpGEB9HOAVhrDkZPcCGv9aRhaO16ehArsVH8R27vzjm4JqwtGUUQAv1jDIJ8vPL8FvIoh2ZUSCrf8rDHtMjUDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T13:50:39.895869Z","bundle_sha256":"2a53b6f6c454077efa3ae55ab718a2dfb51f22625fa55c1b13ae20736ae4cb4a"}}