{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:3CROEBB6EPV7CN33LHQPDWAAKS","short_pith_number":"pith:3CROEBB6","canonical_record":{"source":{"id":"1712.04895","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-12-13T18:03:01Z","cross_cats_sorted":[],"title_canon_sha256":"9c6fda76940c7f277cd6c7e65bd2e649f0902908f9f7e8fc62403a76c5aa813c","abstract_canon_sha256":"f1b3738af916044162409e66f127994a6ae8559ed17ebc4b40cf5671ab13e02c"},"schema_version":"1.0"},"canonical_sha256":"d8a2e2043e23ebf1377b59e0f1d80054ac360dad86452a9c454b8d43c3cea284","source":{"kind":"arxiv","id":"1712.04895","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.04895","created_at":"2026-05-18T00:24:47Z"},{"alias_kind":"arxiv_version","alias_value":"1712.04895v1","created_at":"2026-05-18T00:24:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.04895","created_at":"2026-05-18T00:24:47Z"},{"alias_kind":"pith_short_12","alias_value":"3CROEBB6EPV7","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3CROEBB6EPV7CN33","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3CROEBB6","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:3CROEBB6EPV7CN33LHQPDWAAKS","target":"record","payload":{"canonical_record":{"source":{"id":"1712.04895","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-12-13T18:03:01Z","cross_cats_sorted":[],"title_canon_sha256":"9c6fda76940c7f277cd6c7e65bd2e649f0902908f9f7e8fc62403a76c5aa813c","abstract_canon_sha256":"f1b3738af916044162409e66f127994a6ae8559ed17ebc4b40cf5671ab13e02c"},"schema_version":"1.0"},"canonical_sha256":"d8a2e2043e23ebf1377b59e0f1d80054ac360dad86452a9c454b8d43c3cea284","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:24:47.541017Z","signature_b64":"ycL4gpqebSBJbgbYxisrhyPC8gKxYhfirDuarg7JK0GhGAw/PMgStE3lEkBwx/B3wsuXCUFtcUVU5aH+mduqAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d8a2e2043e23ebf1377b59e0f1d80054ac360dad86452a9c454b8d43c3cea284","last_reissued_at":"2026-05-18T00:24:47.540366Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:24:47.540366Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.04895","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":"2026-05-18T00:24:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5bgR98JEElAVhtohQE19PiVpuezbSntXzuLRGbeUeleO2GCc2HrlmNZgeUkJ41ugUPHMsa38RFyprDDRSCmMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T04:29:19.043322Z"},"content_sha256":"39d1d399c8c7de38c8149da126df5c4470a9daeaf80d108bd332ddfb4773f70a","schema_version":"1.0","event_id":"sha256:39d1d399c8c7de38c8149da126df5c4470a9daeaf80d108bd332ddfb4773f70a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:3CROEBB6EPV7CN33LHQPDWAAKS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental investigation of the wake behind a rotating sphere","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Jacek Rokicki, Jose Eduardo Wesfreid, Maciej Skarysz, Sophie Goujon-Durand","submitted_at":"2017-12-13T18:03:01Z","abstract_excerpt":"The wake behind a sphere, rotating about an axis aligned with the streamwise direction, has been experimentally investigated in a low-velocity water tunnel using LIF visualizations and PIV measurements. The measurements focused on the evolution of the flow regimes that appear depending on two control parameters, namely the Reynolds number $Re$ and the dimensionless rotation or swirl rate $\\Omega$, which is the ratio of the maximum azimuthal velocity of the body to the free stream velocity. In the present investigation, we cover the range of $Re$ smaller than 400 and $\\Omega$ from 0 and 4. Diff"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.04895","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":"2026-05-18T00:24:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yN7PWzw/L1Qfib2CAuJuKpxZwa9/B6gXfH0yHVuOuuGfDW9VTb1t21G8toDZboK+AGPLXZyasDzz/JZKmk6sAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T04:29:19.043678Z"},"content_sha256":"39aba51ca86fc09ac8ec60f8f8f86e08d9972e284a396dbde5dceb66b84843e1","schema_version":"1.0","event_id":"sha256:39aba51ca86fc09ac8ec60f8f8f86e08d9972e284a396dbde5dceb66b84843e1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3CROEBB6EPV7CN33LHQPDWAAKS/bundle.json","state_url":"https://pith.science/pith/3CROEBB6EPV7CN33LHQPDWAAKS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3CROEBB6EPV7CN33LHQPDWAAKS/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":"2026-07-04T04:29:19Z","links":{"resolver":"https://pith.science/pith/3CROEBB6EPV7CN33LHQPDWAAKS","bundle":"https://pith.science/pith/3CROEBB6EPV7CN33LHQPDWAAKS/bundle.json","state":"https://pith.science/pith/3CROEBB6EPV7CN33LHQPDWAAKS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3CROEBB6EPV7CN33LHQPDWAAKS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:3CROEBB6EPV7CN33LHQPDWAAKS","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":"f1b3738af916044162409e66f127994a6ae8559ed17ebc4b40cf5671ab13e02c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-12-13T18:03:01Z","title_canon_sha256":"9c6fda76940c7f277cd6c7e65bd2e649f0902908f9f7e8fc62403a76c5aa813c"},"schema_version":"1.0","source":{"id":"1712.04895","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.04895","created_at":"2026-05-18T00:24:47Z"},{"alias_kind":"arxiv_version","alias_value":"1712.04895v1","created_at":"2026-05-18T00:24:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.04895","created_at":"2026-05-18T00:24:47Z"},{"alias_kind":"pith_short_12","alias_value":"3CROEBB6EPV7","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3CROEBB6EPV7CN33","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3CROEBB6","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:39aba51ca86fc09ac8ec60f8f8f86e08d9972e284a396dbde5dceb66b84843e1","target":"graph","created_at":"2026-05-18T00:24:47Z","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 wake behind a sphere, rotating about an axis aligned with the streamwise direction, has been experimentally investigated in a low-velocity water tunnel using LIF visualizations and PIV measurements. The measurements focused on the evolution of the flow regimes that appear depending on two control parameters, namely the Reynolds number $Re$ and the dimensionless rotation or swirl rate $\\Omega$, which is the ratio of the maximum azimuthal velocity of the body to the free stream velocity. In the present investigation, we cover the range of $Re$ smaller than 400 and $\\Omega$ from 0 and 4. Diff","authors_text":"Jacek Rokicki, Jose Eduardo Wesfreid, Maciej Skarysz, Sophie Goujon-Durand","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-12-13T18:03:01Z","title":"Experimental investigation of the wake behind a rotating sphere"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.04895","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":"sha256:39d1d399c8c7de38c8149da126df5c4470a9daeaf80d108bd332ddfb4773f70a","target":"record","created_at":"2026-05-18T00:24:47Z","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":"f1b3738af916044162409e66f127994a6ae8559ed17ebc4b40cf5671ab13e02c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-12-13T18:03:01Z","title_canon_sha256":"9c6fda76940c7f277cd6c7e65bd2e649f0902908f9f7e8fc62403a76c5aa813c"},"schema_version":"1.0","source":{"id":"1712.04895","kind":"arxiv","version":1}},"canonical_sha256":"d8a2e2043e23ebf1377b59e0f1d80054ac360dad86452a9c454b8d43c3cea284","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d8a2e2043e23ebf1377b59e0f1d80054ac360dad86452a9c454b8d43c3cea284","first_computed_at":"2026-05-18T00:24:47.540366Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:24:47.540366Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ycL4gpqebSBJbgbYxisrhyPC8gKxYhfirDuarg7JK0GhGAw/PMgStE3lEkBwx/B3wsuXCUFtcUVU5aH+mduqAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:24:47.541017Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.04895","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:39d1d399c8c7de38c8149da126df5c4470a9daeaf80d108bd332ddfb4773f70a","sha256:39aba51ca86fc09ac8ec60f8f8f86e08d9972e284a396dbde5dceb66b84843e1"],"state_sha256":"2e8fb1bb8a89ba79e933c45c72c46f659bfad74c1ea3deccfb186da0a5ecfbf6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v51f0A6PFovCPOKk4cR0MwMw3U9S1usz63xg2isqADTDmjshnGNW2x2u7vuLuv3zWVKV6S7OpiUJ5GgbSiLpCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T04:29:19.045674Z","bundle_sha256":"33f965fdea22b86c18e8cbce9ef193d6981fa17d7e5868f9048db9ec6e65b6b6"}}