{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:MHOGN2QOIVK3XSKP5SCLLUBSTW","short_pith_number":"pith:MHOGN2QO","canonical_record":{"source":{"id":"1704.03567","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-04-11T23:18:50Z","cross_cats_sorted":[],"title_canon_sha256":"f3872a06b8a01f63c8cfe7a8045348816e8513c4acf42e6f75cb7805db8fe888","abstract_canon_sha256":"426f1c145e95aeafc6209435814b795cbaa7767b7b421c8f1b24d224bf8a4e4a"},"schema_version":"1.0"},"canonical_sha256":"61dc66ea0e4555bbc94fec84b5d0329db37566a8bafd6b502691e263e1bfbdab","source":{"kind":"arxiv","id":"1704.03567","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.03567","created_at":"2026-05-18T00:38:03Z"},{"alias_kind":"arxiv_version","alias_value":"1704.03567v2","created_at":"2026-05-18T00:38:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.03567","created_at":"2026-05-18T00:38:03Z"},{"alias_kind":"pith_short_12","alias_value":"MHOGN2QOIVK3","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MHOGN2QOIVK3XSKP","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MHOGN2QO","created_at":"2026-05-18T12:31:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:MHOGN2QOIVK3XSKP5SCLLUBSTW","target":"record","payload":{"canonical_record":{"source":{"id":"1704.03567","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-04-11T23:18:50Z","cross_cats_sorted":[],"title_canon_sha256":"f3872a06b8a01f63c8cfe7a8045348816e8513c4acf42e6f75cb7805db8fe888","abstract_canon_sha256":"426f1c145e95aeafc6209435814b795cbaa7767b7b421c8f1b24d224bf8a4e4a"},"schema_version":"1.0"},"canonical_sha256":"61dc66ea0e4555bbc94fec84b5d0329db37566a8bafd6b502691e263e1bfbdab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:03.038068Z","signature_b64":"ie3cCTh8cqJqqqxXP2Hd05zKGhuJrct3KcJ894wAexmLYV2pYwBWyCjL60o9pMHx8azKeibRhlUb7F1Zv5gMCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"61dc66ea0e4555bbc94fec84b5d0329db37566a8bafd6b502691e263e1bfbdab","last_reissued_at":"2026-05-18T00:38:03.037458Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:03.037458Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.03567","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":"2026-05-18T00:38:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FOvvqSjXXa9YDu8dgK5B2ZXmtgr7kii+OSpmrNJdPLGqEZvUGUwXBw3g5uN3//8cgkXmubFalcs3Atn6eO8ZCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:11:31.894247Z"},"content_sha256":"c10eca4118e82a06d3e2d7e88651e0de70f16c6f868ae9bce9c463a8d0c8b3b5","schema_version":"1.0","event_id":"sha256:c10eca4118e82a06d3e2d7e88651e0de70f16c6f868ae9bce9c463a8d0c8b3b5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:MHOGN2QOIVK3XSKP5SCLLUBSTW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Universal continuous transition to turbulence in a planar shear flow","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Dwight Barkley, Laurette S. Tuckerman, Matthew Chantry","submitted_at":"2017-04-11T23:18:50Z","abstract_excerpt":"We examine the onset of turbulence in Waleffe flow -- the planar shear flow between stress-free boundaries driven by a sinusoidal body force. By truncating the wall-normal representation to four modes, we are able to simulate system sizes an order of magnitude larger than any previously simulated, and thereby to attack the question of universality for a planar shear flow. We demonstrate that the equilibrium turbulence fraction increases continuously from zero above a critical Reynolds number and that statistics of the turbulent structures exhibit the power-law scalings of the (2+1)-D directed "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.03567","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":"2026-05-18T00:38:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WlZqJgPCdRGQ95+2qjd2qkVHUw43Q1l9iNVZ7wixqjhZf0CFh84N55uPavtZT2gOi636NFKafT9d0xFx5DafDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:11:31.894730Z"},"content_sha256":"0d07f2925a2f1667ae9c2ec969c4e4c74f2a90ec1d13d20715f235462676541b","schema_version":"1.0","event_id":"sha256:0d07f2925a2f1667ae9c2ec969c4e4c74f2a90ec1d13d20715f235462676541b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MHOGN2QOIVK3XSKP5SCLLUBSTW/bundle.json","state_url":"https://pith.science/pith/MHOGN2QOIVK3XSKP5SCLLUBSTW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MHOGN2QOIVK3XSKP5SCLLUBSTW/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":"2026-05-25T17:11:31Z","links":{"resolver":"https://pith.science/pith/MHOGN2QOIVK3XSKP5SCLLUBSTW","bundle":"https://pith.science/pith/MHOGN2QOIVK3XSKP5SCLLUBSTW/bundle.json","state":"https://pith.science/pith/MHOGN2QOIVK3XSKP5SCLLUBSTW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MHOGN2QOIVK3XSKP5SCLLUBSTW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:MHOGN2QOIVK3XSKP5SCLLUBSTW","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":"426f1c145e95aeafc6209435814b795cbaa7767b7b421c8f1b24d224bf8a4e4a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-04-11T23:18:50Z","title_canon_sha256":"f3872a06b8a01f63c8cfe7a8045348816e8513c4acf42e6f75cb7805db8fe888"},"schema_version":"1.0","source":{"id":"1704.03567","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.03567","created_at":"2026-05-18T00:38:03Z"},{"alias_kind":"arxiv_version","alias_value":"1704.03567v2","created_at":"2026-05-18T00:38:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.03567","created_at":"2026-05-18T00:38:03Z"},{"alias_kind":"pith_short_12","alias_value":"MHOGN2QOIVK3","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MHOGN2QOIVK3XSKP","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MHOGN2QO","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:0d07f2925a2f1667ae9c2ec969c4e4c74f2a90ec1d13d20715f235462676541b","target":"graph","created_at":"2026-05-18T00:38:03Z","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":"We examine the onset of turbulence in Waleffe flow -- the planar shear flow between stress-free boundaries driven by a sinusoidal body force. By truncating the wall-normal representation to four modes, we are able to simulate system sizes an order of magnitude larger than any previously simulated, and thereby to attack the question of universality for a planar shear flow. We demonstrate that the equilibrium turbulence fraction increases continuously from zero above a critical Reynolds number and that statistics of the turbulent structures exhibit the power-law scalings of the (2+1)-D directed ","authors_text":"Dwight Barkley, Laurette S. Tuckerman, Matthew Chantry","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-04-11T23:18:50Z","title":"Universal continuous transition to turbulence in a planar shear flow"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.03567","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:c10eca4118e82a06d3e2d7e88651e0de70f16c6f868ae9bce9c463a8d0c8b3b5","target":"record","created_at":"2026-05-18T00:38:03Z","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":"426f1c145e95aeafc6209435814b795cbaa7767b7b421c8f1b24d224bf8a4e4a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-04-11T23:18:50Z","title_canon_sha256":"f3872a06b8a01f63c8cfe7a8045348816e8513c4acf42e6f75cb7805db8fe888"},"schema_version":"1.0","source":{"id":"1704.03567","kind":"arxiv","version":2}},"canonical_sha256":"61dc66ea0e4555bbc94fec84b5d0329db37566a8bafd6b502691e263e1bfbdab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"61dc66ea0e4555bbc94fec84b5d0329db37566a8bafd6b502691e263e1bfbdab","first_computed_at":"2026-05-18T00:38:03.037458Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:03.037458Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ie3cCTh8cqJqqqxXP2Hd05zKGhuJrct3KcJ894wAexmLYV2pYwBWyCjL60o9pMHx8azKeibRhlUb7F1Zv5gMCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:03.038068Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.03567","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c10eca4118e82a06d3e2d7e88651e0de70f16c6f868ae9bce9c463a8d0c8b3b5","sha256:0d07f2925a2f1667ae9c2ec969c4e4c74f2a90ec1d13d20715f235462676541b"],"state_sha256":"927ff5c4db1ea0e7c87b4ffe8dd366e452f34ea973255630615bc69494598199"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wnmZ/8Qbu5ll9qY4TcNpFImeL/4xARNUt9U9YdJSl/EpyF2ptxx607qmWwDu0teXOH9wq7nKYEueVvmBAA8eCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T17:11:31.898520Z","bundle_sha256":"2e6db5780538ad7198e162e98538e68d8e2ec676baede1f5b423d0e1e1553603"}}