{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:PH2VADHRXIT7UHJ5Q546PPTPFA","short_pith_number":"pith:PH2VADHR","canonical_record":{"source":{"id":"1710.09024","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2017-10-25T00:09:14Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"31f4e5b7b15e9a22ccfa9555eee3d97bcc8f224735e5eb0b5a34155930a2547a","abstract_canon_sha256":"e46ec26012b3022bcc49a4b4f3e76f71b8e24adcbdcb941675985079808c179a"},"schema_version":"1.0"},"canonical_sha256":"79f5500cf1ba27fa1d3d8779e7be6f283e1bed6e01c1be6dae6567604af38c94","source":{"kind":"arxiv","id":"1710.09024","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.09024","created_at":"2026-05-18T00:31:55Z"},{"alias_kind":"arxiv_version","alias_value":"1710.09024v1","created_at":"2026-05-18T00:31:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.09024","created_at":"2026-05-18T00:31:55Z"},{"alias_kind":"pith_short_12","alias_value":"PH2VADHRXIT7","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"PH2VADHRXIT7UHJ5","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"PH2VADHR","created_at":"2026-05-18T12:31:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:PH2VADHRXIT7UHJ5Q546PPTPFA","target":"record","payload":{"canonical_record":{"source":{"id":"1710.09024","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2017-10-25T00:09:14Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"31f4e5b7b15e9a22ccfa9555eee3d97bcc8f224735e5eb0b5a34155930a2547a","abstract_canon_sha256":"e46ec26012b3022bcc49a4b4f3e76f71b8e24adcbdcb941675985079808c179a"},"schema_version":"1.0"},"canonical_sha256":"79f5500cf1ba27fa1d3d8779e7be6f283e1bed6e01c1be6dae6567604af38c94","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:31:55.446623Z","signature_b64":"ybnGHTGqXknHKbyiGGJrdCkrNQReNSQRM5BH8h4DIFsVxanbn/YIawF16JvNVrDloQnc7+q1he7kFjUk/97EAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"79f5500cf1ba27fa1d3d8779e7be6f283e1bed6e01c1be6dae6567604af38c94","last_reissued_at":"2026-05-18T00:31:55.446153Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:31:55.446153Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.09024","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":"2026-05-18T00:31:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RkA5oikxO3+zfA9Y+xgiJBjSgHVKd1Ar99tmKDdBCdwUR8TbennKXwrauVvKaQV+/omegp4YCqRiTwWCZcwIAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:28:35.705545Z"},"content_sha256":"2352cf305f61c40fceec72d23697103050ea3e451c44d3a9a820fc37e309a9ad","schema_version":"1.0","event_id":"sha256:2352cf305f61c40fceec72d23697103050ea3e451c44d3a9a820fc37e309a9ad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:PH2VADHRXIT7UHJ5Q546PPTPFA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Polarization-multiplexed, dual-beam swept source optical coherence tomography angiography","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"physics.med-ph","authors_text":"David Huang, Gangjun Liu, Jianlong Yang, Rahul Chandwani, Rui Zhao, Yali Jia, Zhuo Wang","submitted_at":"2017-10-25T00:09:14Z","abstract_excerpt":"A polarization-multiplexed, dual-beam setup is proposed to expand the field of view for a swept source optical coherence tomography angiography (OCTA) system. This method used a Wollaston prism to split sample path light into two orthogonal-polarized beams. This allowed two beams to shine on the cornea at an angle separation of ~ 14 degrees, which led to a separation of ~ 4.2 mm on the retina. A 3-mm glass plate was inserted into one of the beam paths to set a constant path length difference between the two polarized beams so the interferogram from the two beams are coded at different frequenc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.09024","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":"2026-05-18T00:31:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Jn/BjCLaemXMnZvzHXmj/QCEbCcrLcHhNrPDc33XNo6UvxmFOdWWTeRKguagtB187odc7qpKWDLGD8AFgxJBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:28:35.706166Z"},"content_sha256":"bfc7e0ac6aab2a7fa5abcbbb319cf29c7e28566042e5eed0e103d1c5bd6146a6","schema_version":"1.0","event_id":"sha256:bfc7e0ac6aab2a7fa5abcbbb319cf29c7e28566042e5eed0e103d1c5bd6146a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PH2VADHRXIT7UHJ5Q546PPTPFA/bundle.json","state_url":"https://pith.science/pith/PH2VADHRXIT7UHJ5Q546PPTPFA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PH2VADHRXIT7UHJ5Q546PPTPFA/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":"2026-05-28T03:28:35Z","links":{"resolver":"https://pith.science/pith/PH2VADHRXIT7UHJ5Q546PPTPFA","bundle":"https://pith.science/pith/PH2VADHRXIT7UHJ5Q546PPTPFA/bundle.json","state":"https://pith.science/pith/PH2VADHRXIT7UHJ5Q546PPTPFA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PH2VADHRXIT7UHJ5Q546PPTPFA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:PH2VADHRXIT7UHJ5Q546PPTPFA","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":"e46ec26012b3022bcc49a4b4f3e76f71b8e24adcbdcb941675985079808c179a","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2017-10-25T00:09:14Z","title_canon_sha256":"31f4e5b7b15e9a22ccfa9555eee3d97bcc8f224735e5eb0b5a34155930a2547a"},"schema_version":"1.0","source":{"id":"1710.09024","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.09024","created_at":"2026-05-18T00:31:55Z"},{"alias_kind":"arxiv_version","alias_value":"1710.09024v1","created_at":"2026-05-18T00:31:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.09024","created_at":"2026-05-18T00:31:55Z"},{"alias_kind":"pith_short_12","alias_value":"PH2VADHRXIT7","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"PH2VADHRXIT7UHJ5","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"PH2VADHR","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:bfc7e0ac6aab2a7fa5abcbbb319cf29c7e28566042e5eed0e103d1c5bd6146a6","target":"graph","created_at":"2026-05-18T00:31:55Z","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":"A polarization-multiplexed, dual-beam setup is proposed to expand the field of view for a swept source optical coherence tomography angiography (OCTA) system. This method used a Wollaston prism to split sample path light into two orthogonal-polarized beams. This allowed two beams to shine on the cornea at an angle separation of ~ 14 degrees, which led to a separation of ~ 4.2 mm on the retina. A 3-mm glass plate was inserted into one of the beam paths to set a constant path length difference between the two polarized beams so the interferogram from the two beams are coded at different frequenc","authors_text":"David Huang, Gangjun Liu, Jianlong Yang, Rahul Chandwani, Rui Zhao, Yali Jia, Zhuo Wang","cross_cats":["physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2017-10-25T00:09:14Z","title":"Polarization-multiplexed, dual-beam swept source optical coherence tomography angiography"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.09024","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":"sha256:2352cf305f61c40fceec72d23697103050ea3e451c44d3a9a820fc37e309a9ad","target":"record","created_at":"2026-05-18T00:31:55Z","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":"e46ec26012b3022bcc49a4b4f3e76f71b8e24adcbdcb941675985079808c179a","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2017-10-25T00:09:14Z","title_canon_sha256":"31f4e5b7b15e9a22ccfa9555eee3d97bcc8f224735e5eb0b5a34155930a2547a"},"schema_version":"1.0","source":{"id":"1710.09024","kind":"arxiv","version":1}},"canonical_sha256":"79f5500cf1ba27fa1d3d8779e7be6f283e1bed6e01c1be6dae6567604af38c94","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"79f5500cf1ba27fa1d3d8779e7be6f283e1bed6e01c1be6dae6567604af38c94","first_computed_at":"2026-05-18T00:31:55.446153Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:31:55.446153Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ybnGHTGqXknHKbyiGGJrdCkrNQReNSQRM5BH8h4DIFsVxanbn/YIawF16JvNVrDloQnc7+q1he7kFjUk/97EAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:31:55.446623Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.09024","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2352cf305f61c40fceec72d23697103050ea3e451c44d3a9a820fc37e309a9ad","sha256:bfc7e0ac6aab2a7fa5abcbbb319cf29c7e28566042e5eed0e103d1c5bd6146a6"],"state_sha256":"e531239d8e9197d19139c3f7169680f93efd49a278ba267e7aaed0b4a428b51c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hlU/xp6sY4iKqcGYYYSF8apDumkCAczh58f03kiAL7pkTQ8N47uumm5u5ncSv1iZdNvOAlkQLmjNkgE4kvK+Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T03:28:35.709135Z","bundle_sha256":"97884c710942c8dfa7751821b1ece048bb75b2e973476285ee5592492e29091e"}}