{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:IN5NEZPCSRVD3WKMN37PK2G766","short_pith_number":"pith:IN5NEZPC","canonical_record":{"source":{"id":"1101.0709","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2011-01-04T11:47:27Z","cross_cats_sorted":[],"title_canon_sha256":"c3ec777b8509ff072f8c9db1b99bbd74f43082ce7f8c6327198919b1a11824a9","abstract_canon_sha256":"0d02efcb35c0fa7015645e69b8dfa81e0742a0ed8ace12bc2a7eccfa335b08d0"},"schema_version":"1.0"},"canonical_sha256":"437ad265e2946a3dd94c6efef568dff79bab847700c1c742e24df2d4ffd81b74","source":{"kind":"arxiv","id":"1101.0709","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.0709","created_at":"2026-05-18T04:11:07Z"},{"alias_kind":"arxiv_version","alias_value":"1101.0709v2","created_at":"2026-05-18T04:11:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.0709","created_at":"2026-05-18T04:11:07Z"},{"alias_kind":"pith_short_12","alias_value":"IN5NEZPCSRVD","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"IN5NEZPCSRVD3WKM","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"IN5NEZPC","created_at":"2026-05-18T12:26:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:IN5NEZPCSRVD3WKMN37PK2G766","target":"record","payload":{"canonical_record":{"source":{"id":"1101.0709","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2011-01-04T11:47:27Z","cross_cats_sorted":[],"title_canon_sha256":"c3ec777b8509ff072f8c9db1b99bbd74f43082ce7f8c6327198919b1a11824a9","abstract_canon_sha256":"0d02efcb35c0fa7015645e69b8dfa81e0742a0ed8ace12bc2a7eccfa335b08d0"},"schema_version":"1.0"},"canonical_sha256":"437ad265e2946a3dd94c6efef568dff79bab847700c1c742e24df2d4ffd81b74","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:11:07.368347Z","signature_b64":"af7OX8ZWNemqwG8AZzOQnAiezZm2gx05N5oJFXK4frdKzXgPi7itjWLXmdhf23YNlvurHXl0vTauOlJwhIQiCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"437ad265e2946a3dd94c6efef568dff79bab847700c1c742e24df2d4ffd81b74","last_reissued_at":"2026-05-18T04:11:07.367737Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:11:07.367737Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1101.0709","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":"2026-05-18T04:11:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Q8ZCXQa4EOexCugjKb7do6QBunp92aYTMatgJQtB3VsBdb0sksekY8hkyXApglwikktMXktZuKTCvjiOjEVDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T14:21:59.750559Z"},"content_sha256":"249513187ec868b7c94af8f9d776ba8efd317b94c707899bac153053c9fce3ba","schema_version":"1.0","event_id":"sha256:249513187ec868b7c94af8f9d776ba8efd317b94c707899bac153053c9fce3ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:IN5NEZPCSRVD3WKMN37PK2G766","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The decay of turbulence generated by a class of multi-scale grids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Christos Vassilicos, Pedro Valente","submitted_at":"2011-01-04T11:47:27Z","abstract_excerpt":"A new experimental investigation of decaying turbulence generated by a low-blockage space-filling fractal square grid is presented. We find agreement with previous works by Seoud & Vassilicos (2007) and Mazellier & Vassilicos (2010) but also extend the length of the assessed decay region and consolidate the results by repeating the experiments with different probes of increased spatial resolution. It is confirmed that this moderately high Reynolds number Re{\\lambda} turbulence (up to Re{\\lambda} {\\simeq}350 here) does not follow the classical high Reynolds number scaling of the dissipation rat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.0709","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":"2026-05-18T04:11:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OKj8aCkY4f4DpJ4mAMwxK4FvXRcWvz6BLdBthTGQzEK8FaHnL0YkY1f7hisi6fZrLzD1ucQTY9MnVogl2aotBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T14:21:59.750987Z"},"content_sha256":"058b19b86a6ab5b64767669f2e040ca8c19bd3d0e7af4ae79872b312c6ebdf14","schema_version":"1.0","event_id":"sha256:058b19b86a6ab5b64767669f2e040ca8c19bd3d0e7af4ae79872b312c6ebdf14"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IN5NEZPCSRVD3WKMN37PK2G766/bundle.json","state_url":"https://pith.science/pith/IN5NEZPCSRVD3WKMN37PK2G766/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IN5NEZPCSRVD3WKMN37PK2G766/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":"2026-06-02T14:21:59Z","links":{"resolver":"https://pith.science/pith/IN5NEZPCSRVD3WKMN37PK2G766","bundle":"https://pith.science/pith/IN5NEZPCSRVD3WKMN37PK2G766/bundle.json","state":"https://pith.science/pith/IN5NEZPCSRVD3WKMN37PK2G766/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IN5NEZPCSRVD3WKMN37PK2G766/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:IN5NEZPCSRVD3WKMN37PK2G766","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":"0d02efcb35c0fa7015645e69b8dfa81e0742a0ed8ace12bc2a7eccfa335b08d0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2011-01-04T11:47:27Z","title_canon_sha256":"c3ec777b8509ff072f8c9db1b99bbd74f43082ce7f8c6327198919b1a11824a9"},"schema_version":"1.0","source":{"id":"1101.0709","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.0709","created_at":"2026-05-18T04:11:07Z"},{"alias_kind":"arxiv_version","alias_value":"1101.0709v2","created_at":"2026-05-18T04:11:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.0709","created_at":"2026-05-18T04:11:07Z"},{"alias_kind":"pith_short_12","alias_value":"IN5NEZPCSRVD","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"IN5NEZPCSRVD3WKM","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"IN5NEZPC","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:058b19b86a6ab5b64767669f2e040ca8c19bd3d0e7af4ae79872b312c6ebdf14","target":"graph","created_at":"2026-05-18T04:11:07Z","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":"A new experimental investigation of decaying turbulence generated by a low-blockage space-filling fractal square grid is presented. We find agreement with previous works by Seoud & Vassilicos (2007) and Mazellier & Vassilicos (2010) but also extend the length of the assessed decay region and consolidate the results by repeating the experiments with different probes of increased spatial resolution. It is confirmed that this moderately high Reynolds number Re{\\lambda} turbulence (up to Re{\\lambda} {\\simeq}350 here) does not follow the classical high Reynolds number scaling of the dissipation rat","authors_text":"Christos Vassilicos, Pedro Valente","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2011-01-04T11:47:27Z","title":"The decay of turbulence generated by a class of multi-scale grids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.0709","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":"sha256:249513187ec868b7c94af8f9d776ba8efd317b94c707899bac153053c9fce3ba","target":"record","created_at":"2026-05-18T04:11:07Z","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":"0d02efcb35c0fa7015645e69b8dfa81e0742a0ed8ace12bc2a7eccfa335b08d0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2011-01-04T11:47:27Z","title_canon_sha256":"c3ec777b8509ff072f8c9db1b99bbd74f43082ce7f8c6327198919b1a11824a9"},"schema_version":"1.0","source":{"id":"1101.0709","kind":"arxiv","version":2}},"canonical_sha256":"437ad265e2946a3dd94c6efef568dff79bab847700c1c742e24df2d4ffd81b74","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"437ad265e2946a3dd94c6efef568dff79bab847700c1c742e24df2d4ffd81b74","first_computed_at":"2026-05-18T04:11:07.367737Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:11:07.367737Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"af7OX8ZWNemqwG8AZzOQnAiezZm2gx05N5oJFXK4frdKzXgPi7itjWLXmdhf23YNlvurHXl0vTauOlJwhIQiCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:11:07.368347Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.0709","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:249513187ec868b7c94af8f9d776ba8efd317b94c707899bac153053c9fce3ba","sha256:058b19b86a6ab5b64767669f2e040ca8c19bd3d0e7af4ae79872b312c6ebdf14"],"state_sha256":"7244ad29c9764cffd221c08374a5e333eff35f28865f2ae844223da0e98e5766"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ClT8EQodlu/bFoynBBwnJ6FeGjyqS0eSuSTE2VsqnLkVYjBf4+/la6LfEsJ3nH3gIBn90/4f4pWFRyeB+/q3CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T14:21:59.753472Z","bundle_sha256":"f3b2a77fa468b099a1e92b09bb4f9e82c32dbea68dfb953bee9f61bf890e8e19"}}