{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:5T5V3LKLQY6UPNXMOKPCKPEVBJ","short_pith_number":"pith:5T5V3LKL","canonical_record":{"source":{"id":"1411.5742","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-11-21T02:22:17Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"0677a5af53e56546b4a8d371dbbab634f864b9e6df877ab53cad085f90eab05b","abstract_canon_sha256":"1092b12d2bf8faa7537f7c85af9b2e7194b5bfd9ff4dbe75d6c361a3200b2dba"},"schema_version":"1.0"},"canonical_sha256":"ecfb5dad4b863d47b6ec729e253c950a54f3127b20b84f498d0e8e11e10375ea","source":{"kind":"arxiv","id":"1411.5742","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.5742","created_at":"2026-05-18T02:18:21Z"},{"alias_kind":"arxiv_version","alias_value":"1411.5742v1","created_at":"2026-05-18T02:18:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.5742","created_at":"2026-05-18T02:18:21Z"},{"alias_kind":"pith_short_12","alias_value":"5T5V3LKLQY6U","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"5T5V3LKLQY6UPNXM","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"5T5V3LKL","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:5T5V3LKLQY6UPNXMOKPCKPEVBJ","target":"record","payload":{"canonical_record":{"source":{"id":"1411.5742","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-11-21T02:22:17Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"0677a5af53e56546b4a8d371dbbab634f864b9e6df877ab53cad085f90eab05b","abstract_canon_sha256":"1092b12d2bf8faa7537f7c85af9b2e7194b5bfd9ff4dbe75d6c361a3200b2dba"},"schema_version":"1.0"},"canonical_sha256":"ecfb5dad4b863d47b6ec729e253c950a54f3127b20b84f498d0e8e11e10375ea","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:18:21.687075Z","signature_b64":"ohxw+8uZb99JrcnMf01TxThCECE0JDDwtTo9pZMuuXKWfbiDVGRwb7+hTLEEx3eDVi3dkv6yj8omCVkI/lHtAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ecfb5dad4b863d47b6ec729e253c950a54f3127b20b84f498d0e8e11e10375ea","last_reissued_at":"2026-05-18T02:18:21.686220Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:18:21.686220Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.5742","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":"2026-05-18T02:18:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JP/vQXJHFXdz5Ih+pfSnBDbHQhiP6cJrFOzXIff0L8UsJfp6S45MjdEoK1eiMYHWeqF11U/ww9X0asGrYC00Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T01:22:11.419521Z"},"content_sha256":"6575dc11df4785aa8ec7e1368c3fe378e8beaf80c1a84cb8d06887be119e7ae2","schema_version":"1.0","event_id":"sha256:6575dc11df4785aa8ec7e1368c3fe378e8beaf80c1a84cb8d06887be119e7ae2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:5T5V3LKLQY6UPNXMOKPCKPEVBJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Identifying a superfluid Reynolds number via dynamical similarity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"cond-mat.quant-gas","authors_text":"A. S. Bradley, B. P. Anderson, M. T. Reeves, T. P. Billam","submitted_at":"2014-11-21T02:22:17Z","abstract_excerpt":"The Reynolds number provides a characterization of the transition to turbulent flow, with wide application in classical fluid dynamics. Identifying such a parameter in superfluid systems is challenging due to their fundamentally inviscid nature. Performing a systematic study of superfluid cylinder wakes in two dimensions, we observe dynamical similarity of the frequency of vortex shedding by a cylindrical obstacle. The universality of the turbulent wake dynamics is revealed by expressing shedding frequencies in terms of an appropriately defined superfluid Reynolds number, ${\\rm Re}_s$, that ac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.5742","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":"2026-05-18T02:18:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7zpZjeBvDAFCpWyD4ndrm21CYLclRk6HqDbqN9SAWhTrUNLzWGB1bYJZhN00rbLyepu2UBrgBMF14C2hu2oAAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T01:22:11.419867Z"},"content_sha256":"a875891bbd817293b855ad503104645d82136ffbd4c3da61e3f8d9fcf132ab93","schema_version":"1.0","event_id":"sha256:a875891bbd817293b855ad503104645d82136ffbd4c3da61e3f8d9fcf132ab93"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5T5V3LKLQY6UPNXMOKPCKPEVBJ/bundle.json","state_url":"https://pith.science/pith/5T5V3LKLQY6UPNXMOKPCKPEVBJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5T5V3LKLQY6UPNXMOKPCKPEVBJ/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":"2026-06-02T01:22:11Z","links":{"resolver":"https://pith.science/pith/5T5V3LKLQY6UPNXMOKPCKPEVBJ","bundle":"https://pith.science/pith/5T5V3LKLQY6UPNXMOKPCKPEVBJ/bundle.json","state":"https://pith.science/pith/5T5V3LKLQY6UPNXMOKPCKPEVBJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5T5V3LKLQY6UPNXMOKPCKPEVBJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:5T5V3LKLQY6UPNXMOKPCKPEVBJ","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":"1092b12d2bf8faa7537f7c85af9b2e7194b5bfd9ff4dbe75d6c361a3200b2dba","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-11-21T02:22:17Z","title_canon_sha256":"0677a5af53e56546b4a8d371dbbab634f864b9e6df877ab53cad085f90eab05b"},"schema_version":"1.0","source":{"id":"1411.5742","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.5742","created_at":"2026-05-18T02:18:21Z"},{"alias_kind":"arxiv_version","alias_value":"1411.5742v1","created_at":"2026-05-18T02:18:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.5742","created_at":"2026-05-18T02:18:21Z"},{"alias_kind":"pith_short_12","alias_value":"5T5V3LKLQY6U","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"5T5V3LKLQY6UPNXM","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"5T5V3LKL","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:a875891bbd817293b855ad503104645d82136ffbd4c3da61e3f8d9fcf132ab93","target":"graph","created_at":"2026-05-18T02:18:21Z","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 Reynolds number provides a characterization of the transition to turbulent flow, with wide application in classical fluid dynamics. Identifying such a parameter in superfluid systems is challenging due to their fundamentally inviscid nature. Performing a systematic study of superfluid cylinder wakes in two dimensions, we observe dynamical similarity of the frequency of vortex shedding by a cylindrical obstacle. The universality of the turbulent wake dynamics is revealed by expressing shedding frequencies in terms of an appropriately defined superfluid Reynolds number, ${\\rm Re}_s$, that ac","authors_text":"A. S. Bradley, B. P. Anderson, M. T. Reeves, T. P. Billam","cross_cats":["physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-11-21T02:22:17Z","title":"Identifying a superfluid Reynolds number via dynamical similarity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.5742","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":"sha256:6575dc11df4785aa8ec7e1368c3fe378e8beaf80c1a84cb8d06887be119e7ae2","target":"record","created_at":"2026-05-18T02:18:21Z","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":"1092b12d2bf8faa7537f7c85af9b2e7194b5bfd9ff4dbe75d6c361a3200b2dba","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-11-21T02:22:17Z","title_canon_sha256":"0677a5af53e56546b4a8d371dbbab634f864b9e6df877ab53cad085f90eab05b"},"schema_version":"1.0","source":{"id":"1411.5742","kind":"arxiv","version":1}},"canonical_sha256":"ecfb5dad4b863d47b6ec729e253c950a54f3127b20b84f498d0e8e11e10375ea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ecfb5dad4b863d47b6ec729e253c950a54f3127b20b84f498d0e8e11e10375ea","first_computed_at":"2026-05-18T02:18:21.686220Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:18:21.686220Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ohxw+8uZb99JrcnMf01TxThCECE0JDDwtTo9pZMuuXKWfbiDVGRwb7+hTLEEx3eDVi3dkv6yj8omCVkI/lHtAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:18:21.687075Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.5742","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6575dc11df4785aa8ec7e1368c3fe378e8beaf80c1a84cb8d06887be119e7ae2","sha256:a875891bbd817293b855ad503104645d82136ffbd4c3da61e3f8d9fcf132ab93"],"state_sha256":"140467e777cb5e9dbf19980fc2897bda91ef870f7ef2831433a59267abf65e3b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GeE+b1XAyPQP5mWcYnELoluxdA5hMzZRp8XL2XbgpkzgRkhUv6A0UfKUBp0PI+mIJai2y8VXi2GzDKFHVeZ4AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T01:22:11.421828Z","bundle_sha256":"1bb0cbac6f067999242970c56ed2e75ded3d011f8a595f32d39636f83a022065"}}