{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:RWQRYQOOMWRLVBRBBFSZG5SH4S","short_pith_number":"pith:RWQRYQOO","canonical_record":{"source":{"id":"1010.3068","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-10-15T03:24:45Z","cross_cats_sorted":[],"title_canon_sha256":"80fc2a674109e2e65ce015c2d233c73d98675a584ec0e015dd349a4b15bd2ca1","abstract_canon_sha256":"7d29abd65d47d62bb01236d2f3882613f2abcf63225d5a3ebd8ddc12f3dab2ef"},"schema_version":"1.0"},"canonical_sha256":"8da11c41ce65a2ba86210965937647e49ac9e54a6afb9a3dc2481085a2d1cb1e","source":{"kind":"arxiv","id":"1010.3068","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.3068","created_at":"2026-05-18T04:39:17Z"},{"alias_kind":"arxiv_version","alias_value":"1010.3068v1","created_at":"2026-05-18T04:39:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.3068","created_at":"2026-05-18T04:39:17Z"},{"alias_kind":"pith_short_12","alias_value":"RWQRYQOOMWRL","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"RWQRYQOOMWRLVBRB","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"RWQRYQOO","created_at":"2026-05-18T12:26:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:RWQRYQOOMWRLVBRBBFSZG5SH4S","target":"record","payload":{"canonical_record":{"source":{"id":"1010.3068","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-10-15T03:24:45Z","cross_cats_sorted":[],"title_canon_sha256":"80fc2a674109e2e65ce015c2d233c73d98675a584ec0e015dd349a4b15bd2ca1","abstract_canon_sha256":"7d29abd65d47d62bb01236d2f3882613f2abcf63225d5a3ebd8ddc12f3dab2ef"},"schema_version":"1.0"},"canonical_sha256":"8da11c41ce65a2ba86210965937647e49ac9e54a6afb9a3dc2481085a2d1cb1e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:39:17.896283Z","signature_b64":"ZrBkBPVPcee0z9slTKVI5JxhZ161toNhmsIP4DsFOiQsVs9HEJ7fqJ20b+PLCgggQZdrd6DR6PJCqMeyZgIeAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8da11c41ce65a2ba86210965937647e49ac9e54a6afb9a3dc2481085a2d1cb1e","last_reissued_at":"2026-05-18T04:39:17.895720Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:39:17.895720Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.3068","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":"2026-05-18T04:39:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UwlMjzNUeYiiKURZbDy0AQhu/v7MZda51/qGCSTtPTNwtjHnGItkLW9VVaN55JIk/uqPyH8I1f8DkEcmPMhYDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:06:29.907285Z"},"content_sha256":"a85c00dde8bf31b9dafa4b35226f3cd53c47b8260972f261f3399c326fe88002","schema_version":"1.0","event_id":"sha256:a85c00dde8bf31b9dafa4b35226f3cd53c47b8260972f261f3399c326fe88002"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:RWQRYQOOMWRLVBRBBFSZG5SH4S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-Frame-Rate Oil Film Interferometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"John Chen, Jonathan C. White, Russell V. Westphal","submitted_at":"2010-10-15T03:24:45Z","abstract_excerpt":"The fluid dynamics video to which this abstract relates contains visualization of the response of a laminar boundary layer to a sudden puff from a small hole. The boundary layer develops on a flat plate in a wind tunnel; the hole is located at a streamwise Reynolds number of 100,000. The visualization of the boundary layer response is accomplished using interferometry of a transparent, thin film of oil placed on the surface immediately downstream of the hole and with its leading edge perpendicular to the direction of flow. Through lubrication theory, it is understood that the rate of change of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.3068","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":"2026-05-18T04:39:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hXkNgyvJtweSGJDL4WbdjSv//rLQRvsOBpEX+YYtAWPuo+5nUnzwbUUii00y2GIAmcCydudIMTot3sISY1OHDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:06:29.907648Z"},"content_sha256":"86b8e393067f708622ce5179b0e2a658c817a88fd037c247eb87668027c3bf89","schema_version":"1.0","event_id":"sha256:86b8e393067f708622ce5179b0e2a658c817a88fd037c247eb87668027c3bf89"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RWQRYQOOMWRLVBRBBFSZG5SH4S/bundle.json","state_url":"https://pith.science/pith/RWQRYQOOMWRLVBRBBFSZG5SH4S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RWQRYQOOMWRLVBRBBFSZG5SH4S/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":"2026-05-30T05:06:29Z","links":{"resolver":"https://pith.science/pith/RWQRYQOOMWRLVBRBBFSZG5SH4S","bundle":"https://pith.science/pith/RWQRYQOOMWRLVBRBBFSZG5SH4S/bundle.json","state":"https://pith.science/pith/RWQRYQOOMWRLVBRBBFSZG5SH4S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RWQRYQOOMWRLVBRBBFSZG5SH4S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:RWQRYQOOMWRLVBRBBFSZG5SH4S","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":"7d29abd65d47d62bb01236d2f3882613f2abcf63225d5a3ebd8ddc12f3dab2ef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-10-15T03:24:45Z","title_canon_sha256":"80fc2a674109e2e65ce015c2d233c73d98675a584ec0e015dd349a4b15bd2ca1"},"schema_version":"1.0","source":{"id":"1010.3068","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.3068","created_at":"2026-05-18T04:39:17Z"},{"alias_kind":"arxiv_version","alias_value":"1010.3068v1","created_at":"2026-05-18T04:39:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.3068","created_at":"2026-05-18T04:39:17Z"},{"alias_kind":"pith_short_12","alias_value":"RWQRYQOOMWRL","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"RWQRYQOOMWRLVBRB","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"RWQRYQOO","created_at":"2026-05-18T12:26:13Z"}],"graph_snapshots":[{"event_id":"sha256:86b8e393067f708622ce5179b0e2a658c817a88fd037c247eb87668027c3bf89","target":"graph","created_at":"2026-05-18T04:39:17Z","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":"The fluid dynamics video to which this abstract relates contains visualization of the response of a laminar boundary layer to a sudden puff from a small hole. The boundary layer develops on a flat plate in a wind tunnel; the hole is located at a streamwise Reynolds number of 100,000. The visualization of the boundary layer response is accomplished using interferometry of a transparent, thin film of oil placed on the surface immediately downstream of the hole and with its leading edge perpendicular to the direction of flow. Through lubrication theory, it is understood that the rate of change of","authors_text":"John Chen, Jonathan C. White, Russell V. Westphal","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-10-15T03:24:45Z","title":"High-Frame-Rate Oil Film Interferometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.3068","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:a85c00dde8bf31b9dafa4b35226f3cd53c47b8260972f261f3399c326fe88002","target":"record","created_at":"2026-05-18T04:39:17Z","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":"7d29abd65d47d62bb01236d2f3882613f2abcf63225d5a3ebd8ddc12f3dab2ef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2010-10-15T03:24:45Z","title_canon_sha256":"80fc2a674109e2e65ce015c2d233c73d98675a584ec0e015dd349a4b15bd2ca1"},"schema_version":"1.0","source":{"id":"1010.3068","kind":"arxiv","version":1}},"canonical_sha256":"8da11c41ce65a2ba86210965937647e49ac9e54a6afb9a3dc2481085a2d1cb1e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8da11c41ce65a2ba86210965937647e49ac9e54a6afb9a3dc2481085a2d1cb1e","first_computed_at":"2026-05-18T04:39:17.895720Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:39:17.895720Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZrBkBPVPcee0z9slTKVI5JxhZ161toNhmsIP4DsFOiQsVs9HEJ7fqJ20b+PLCgggQZdrd6DR6PJCqMeyZgIeAg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:39:17.896283Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.3068","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a85c00dde8bf31b9dafa4b35226f3cd53c47b8260972f261f3399c326fe88002","sha256:86b8e393067f708622ce5179b0e2a658c817a88fd037c247eb87668027c3bf89"],"state_sha256":"7c56a32f0261a35525a1887172802924aa7e5d986bc5f7a9856a3f6d0d170375"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bgcCnMNW1YlUWHlA9yZ/0P23mVtxPbK6XoV2fPqWnFPt9/TSrnNKSecI0X1QVeQp7co8C4g+CF7yPpbjzAFsCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T05:06:29.909582Z","bundle_sha256":"23130786469145a0b7ade6506d5ed534efbb0ed8a84c5dd0681f6b878a08fb19"}}