{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:533GD7UWGZRJMQ3LJQPSSWYCNB","short_pith_number":"pith:533GD7UW","canonical_record":{"source":{"id":"1903.12326","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2019-03-29T02:24:10Z","cross_cats_sorted":[],"title_canon_sha256":"4bff303d19e0c6c9dbf722fda77d4d8f813ecb5318cd19a539a7ef904ca68ba5","abstract_canon_sha256":"e3d121dea46e0a320da2266a84801ecdb54c691025668f05c85e1b7e9be0c255"},"schema_version":"1.0"},"canonical_sha256":"eef661fe96366296436b4c1f295b0268630f359f817918e6771599ce6e1b69ae","source":{"kind":"arxiv","id":"1903.12326","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.12326","created_at":"2026-05-17T23:42:41Z"},{"alias_kind":"arxiv_version","alias_value":"1903.12326v2","created_at":"2026-05-17T23:42:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.12326","created_at":"2026-05-17T23:42:41Z"},{"alias_kind":"pith_short_12","alias_value":"533GD7UWGZRJ","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"533GD7UWGZRJMQ3L","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"533GD7UW","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:533GD7UWGZRJMQ3LJQPSSWYCNB","target":"record","payload":{"canonical_record":{"source":{"id":"1903.12326","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2019-03-29T02:24:10Z","cross_cats_sorted":[],"title_canon_sha256":"4bff303d19e0c6c9dbf722fda77d4d8f813ecb5318cd19a539a7ef904ca68ba5","abstract_canon_sha256":"e3d121dea46e0a320da2266a84801ecdb54c691025668f05c85e1b7e9be0c255"},"schema_version":"1.0"},"canonical_sha256":"eef661fe96366296436b4c1f295b0268630f359f817918e6771599ce6e1b69ae","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:41.933217Z","signature_b64":"A+a+IOdHbvQBXG4WsxIXUwyXESjyAaq/DG1uumrPuR3baiCv0TRyeT/unKfCrK8bNXbxNeyU3kzpt5Nt1UDZDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eef661fe96366296436b4c1f295b0268630f359f817918e6771599ce6e1b69ae","last_reissued_at":"2026-05-17T23:42:41.932525Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:41.932525Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.12326","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":"2026-05-17T23:42:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tCUICLqjFNq+qaKpGb9CozVQnXadEgqfeYDS5VZxAgbS5IKTtUmD2g9xXAPSglD1AvLaUnCoafAMHE4t+SZ4DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T21:08:43.991567Z"},"content_sha256":"c4794ab659436ee32ab93339f1112928815174ea270eefa3e6f5eb51aa4fbf82","schema_version":"1.0","event_id":"sha256:c4794ab659436ee32ab93339f1112928815174ea270eefa3e6f5eb51aa4fbf82"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:533GD7UWGZRJMQ3LJQPSSWYCNB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non-Uniform Suction Control of Flow around a Circular Cylinder","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"James R Ramsay, Mathieu Sellier, Wei Hua Ho","submitted_at":"2019-03-29T02:24:10Z","abstract_excerpt":"In the present study, numerical investigations were performed with optimisation to determine efficient non-uniform suction profiles to control the flow around a circular cylinder in the range of Reynolds numbers 4<Re<188.5. Several objectives were explored, namely the minimisation of: the separation angle, total drag, and the pressure drag. This was in an effort to determine the relationships between the characteristics of the uncontrolled flow and the parameters of optimised suction control. A variety of non-uniform suction configurations were implemented and compared to the benchmark perform"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.12326","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":"2026-05-17T23:42:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"muol0NvvzkKew5PKyc2dBiIq0oAtXIXwFYevnAwm4JH1PowKiHNYqDToKB2xipTewvGf8JNN2o/PhPFFJj5+BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T21:08:43.991904Z"},"content_sha256":"74157e3eda647d4c000da0c6efed58335afe75bd5891fa9657ee14a1fe8b5fef","schema_version":"1.0","event_id":"sha256:74157e3eda647d4c000da0c6efed58335afe75bd5891fa9657ee14a1fe8b5fef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/533GD7UWGZRJMQ3LJQPSSWYCNB/bundle.json","state_url":"https://pith.science/pith/533GD7UWGZRJMQ3LJQPSSWYCNB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/533GD7UWGZRJMQ3LJQPSSWYCNB/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":"2026-06-23T21:08:43Z","links":{"resolver":"https://pith.science/pith/533GD7UWGZRJMQ3LJQPSSWYCNB","bundle":"https://pith.science/pith/533GD7UWGZRJMQ3LJQPSSWYCNB/bundle.json","state":"https://pith.science/pith/533GD7UWGZRJMQ3LJQPSSWYCNB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/533GD7UWGZRJMQ3LJQPSSWYCNB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:533GD7UWGZRJMQ3LJQPSSWYCNB","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":"e3d121dea46e0a320da2266a84801ecdb54c691025668f05c85e1b7e9be0c255","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2019-03-29T02:24:10Z","title_canon_sha256":"4bff303d19e0c6c9dbf722fda77d4d8f813ecb5318cd19a539a7ef904ca68ba5"},"schema_version":"1.0","source":{"id":"1903.12326","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.12326","created_at":"2026-05-17T23:42:41Z"},{"alias_kind":"arxiv_version","alias_value":"1903.12326v2","created_at":"2026-05-17T23:42:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.12326","created_at":"2026-05-17T23:42:41Z"},{"alias_kind":"pith_short_12","alias_value":"533GD7UWGZRJ","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"533GD7UWGZRJMQ3L","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"533GD7UW","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:74157e3eda647d4c000da0c6efed58335afe75bd5891fa9657ee14a1fe8b5fef","target":"graph","created_at":"2026-05-17T23:42:41Z","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":"In the present study, numerical investigations were performed with optimisation to determine efficient non-uniform suction profiles to control the flow around a circular cylinder in the range of Reynolds numbers 4<Re<188.5. Several objectives were explored, namely the minimisation of: the separation angle, total drag, and the pressure drag. This was in an effort to determine the relationships between the characteristics of the uncontrolled flow and the parameters of optimised suction control. A variety of non-uniform suction configurations were implemented and compared to the benchmark perform","authors_text":"James R Ramsay, Mathieu Sellier, Wei Hua Ho","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2019-03-29T02:24:10Z","title":"Non-Uniform Suction Control of Flow around a Circular Cylinder"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.12326","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:c4794ab659436ee32ab93339f1112928815174ea270eefa3e6f5eb51aa4fbf82","target":"record","created_at":"2026-05-17T23:42:41Z","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":"e3d121dea46e0a320da2266a84801ecdb54c691025668f05c85e1b7e9be0c255","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2019-03-29T02:24:10Z","title_canon_sha256":"4bff303d19e0c6c9dbf722fda77d4d8f813ecb5318cd19a539a7ef904ca68ba5"},"schema_version":"1.0","source":{"id":"1903.12326","kind":"arxiv","version":2}},"canonical_sha256":"eef661fe96366296436b4c1f295b0268630f359f817918e6771599ce6e1b69ae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eef661fe96366296436b4c1f295b0268630f359f817918e6771599ce6e1b69ae","first_computed_at":"2026-05-17T23:42:41.932525Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:41.932525Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A+a+IOdHbvQBXG4WsxIXUwyXESjyAaq/DG1uumrPuR3baiCv0TRyeT/unKfCrK8bNXbxNeyU3kzpt5Nt1UDZDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:41.933217Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.12326","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c4794ab659436ee32ab93339f1112928815174ea270eefa3e6f5eb51aa4fbf82","sha256:74157e3eda647d4c000da0c6efed58335afe75bd5891fa9657ee14a1fe8b5fef"],"state_sha256":"c1f311b2c4d1633c943f795ec161a5f62b35feba48b1bacb52b0ab42d92e719c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bZzFS50TffpTNAX9LQTmoURj/enGi07NoHjzGZbYvBdcWrlzuRfpViJrbgJWsBvIqNu3HL+WmCFXJ/soLx4oBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T21:08:43.993742Z","bundle_sha256":"ad17268e28fcaaa82c0d74008c74807ce8265b445d6523ffe8d8c088a17cf466"}}