{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:Q6NWJVJLHCF62SV66TDJLMLY7G","short_pith_number":"pith:Q6NWJVJL","canonical_record":{"source":{"id":"1311.2613","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2013-11-11T21:29:20Z","cross_cats_sorted":[],"title_canon_sha256":"b6f4d3c9d0548d1f603a7d3b3f5b40981ee918c03e4a7d60c9c8bba0e645a0f1","abstract_canon_sha256":"d1a6ff8afb3d018be5c02efce16aa27fc0530007db56dee432a3bc34ef75828d"},"schema_version":"1.0"},"canonical_sha256":"879b64d52b388bed4abef4c695b178f9a05836d970d2d3236cd7cc119473d2d2","source":{"kind":"arxiv","id":"1311.2613","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.2613","created_at":"2026-05-18T03:07:22Z"},{"alias_kind":"arxiv_version","alias_value":"1311.2613v1","created_at":"2026-05-18T03:07:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.2613","created_at":"2026-05-18T03:07:22Z"},{"alias_kind":"pith_short_12","alias_value":"Q6NWJVJLHCF6","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"Q6NWJVJLHCF62SV6","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"Q6NWJVJL","created_at":"2026-05-18T12:27:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:Q6NWJVJLHCF62SV66TDJLMLY7G","target":"record","payload":{"canonical_record":{"source":{"id":"1311.2613","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2013-11-11T21:29:20Z","cross_cats_sorted":[],"title_canon_sha256":"b6f4d3c9d0548d1f603a7d3b3f5b40981ee918c03e4a7d60c9c8bba0e645a0f1","abstract_canon_sha256":"d1a6ff8afb3d018be5c02efce16aa27fc0530007db56dee432a3bc34ef75828d"},"schema_version":"1.0"},"canonical_sha256":"879b64d52b388bed4abef4c695b178f9a05836d970d2d3236cd7cc119473d2d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:07:22.356434Z","signature_b64":"hXGwv1IaTt3wJMopFgUmBtS8no3E3c6qGyjNtqgKgjg6QQ56jo5gmWASQnrAbsEJ5so8jlh3ZkgtGvJx3x+IBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"879b64d52b388bed4abef4c695b178f9a05836d970d2d3236cd7cc119473d2d2","last_reissued_at":"2026-05-18T03:07:22.355882Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:07:22.355882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.2613","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":"2026-05-18T03:07:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jhnL5yY9VXa6snWVDX3Dkagw9WROL+/Vnu4Fi7I0uamyqBbANrMfaBRRBEYPSrxVIz6CEsQChYZrw6idlDL9Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:20:34.388759Z"},"content_sha256":"fcb23bbf2b958ddf7247083457e9ea6eb43f411cba00bc8066b8983f998cf66e","schema_version":"1.0","event_id":"sha256:fcb23bbf2b958ddf7247083457e9ea6eb43f411cba00bc8066b8983f998cf66e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:Q6NWJVJLHCF62SV66TDJLMLY7G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Finite-Time Blowup of a 1D Model for the 3D Incompressible Euler Equations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.AP","authors_text":"Guo Luo, Thomas Y. Hou","submitted_at":"2013-11-11T21:29:20Z","abstract_excerpt":"We study a 1D model for the 3D incompressible Euler equations in axisymmetric geometries, which can be viewed as a local approximation to the Euler equations near the solid boundary of a cylindrical domain. We prove the local well-posedness of the model in spaces of zero-mean functions, and study the potential formation of a finite-time singularity under certain convexity conditions for the velocity field. It is hoped that the results obtained on the 1D model will be useful in the analysis of the full 3D problem, whose loss of regularity in finite time has been observed in a recent numerical s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.2613","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":"2026-05-18T03:07:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v0J3ZjJkosP7OddEmaVkWciaO8/G97w1P6FLo2v0X1bZao6c/5bIN5WQYGaLlX1XHrGKwazE2r8jQFBUOhstCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:20:34.389355Z"},"content_sha256":"2d9f4b94bd36d69b8eac9cea0f7873588587a0575c2ea24e7d256b7ef31d4de1","schema_version":"1.0","event_id":"sha256:2d9f4b94bd36d69b8eac9cea0f7873588587a0575c2ea24e7d256b7ef31d4de1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q6NWJVJLHCF62SV66TDJLMLY7G/bundle.json","state_url":"https://pith.science/pith/Q6NWJVJLHCF62SV66TDJLMLY7G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q6NWJVJLHCF62SV66TDJLMLY7G/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":"2026-05-26T22:20:34Z","links":{"resolver":"https://pith.science/pith/Q6NWJVJLHCF62SV66TDJLMLY7G","bundle":"https://pith.science/pith/Q6NWJVJLHCF62SV66TDJLMLY7G/bundle.json","state":"https://pith.science/pith/Q6NWJVJLHCF62SV66TDJLMLY7G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q6NWJVJLHCF62SV66TDJLMLY7G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:Q6NWJVJLHCF62SV66TDJLMLY7G","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":"d1a6ff8afb3d018be5c02efce16aa27fc0530007db56dee432a3bc34ef75828d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2013-11-11T21:29:20Z","title_canon_sha256":"b6f4d3c9d0548d1f603a7d3b3f5b40981ee918c03e4a7d60c9c8bba0e645a0f1"},"schema_version":"1.0","source":{"id":"1311.2613","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.2613","created_at":"2026-05-18T03:07:22Z"},{"alias_kind":"arxiv_version","alias_value":"1311.2613v1","created_at":"2026-05-18T03:07:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.2613","created_at":"2026-05-18T03:07:22Z"},{"alias_kind":"pith_short_12","alias_value":"Q6NWJVJLHCF6","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"Q6NWJVJLHCF62SV6","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"Q6NWJVJL","created_at":"2026-05-18T12:27:57Z"}],"graph_snapshots":[{"event_id":"sha256:2d9f4b94bd36d69b8eac9cea0f7873588587a0575c2ea24e7d256b7ef31d4de1","target":"graph","created_at":"2026-05-18T03:07:22Z","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 study a 1D model for the 3D incompressible Euler equations in axisymmetric geometries, which can be viewed as a local approximation to the Euler equations near the solid boundary of a cylindrical domain. We prove the local well-posedness of the model in spaces of zero-mean functions, and study the potential formation of a finite-time singularity under certain convexity conditions for the velocity field. It is hoped that the results obtained on the 1D model will be useful in the analysis of the full 3D problem, whose loss of regularity in finite time has been observed in a recent numerical s","authors_text":"Guo Luo, Thomas Y. Hou","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2013-11-11T21:29:20Z","title":"On the Finite-Time Blowup of a 1D Model for the 3D Incompressible Euler Equations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.2613","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:fcb23bbf2b958ddf7247083457e9ea6eb43f411cba00bc8066b8983f998cf66e","target":"record","created_at":"2026-05-18T03:07:22Z","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":"d1a6ff8afb3d018be5c02efce16aa27fc0530007db56dee432a3bc34ef75828d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2013-11-11T21:29:20Z","title_canon_sha256":"b6f4d3c9d0548d1f603a7d3b3f5b40981ee918c03e4a7d60c9c8bba0e645a0f1"},"schema_version":"1.0","source":{"id":"1311.2613","kind":"arxiv","version":1}},"canonical_sha256":"879b64d52b388bed4abef4c695b178f9a05836d970d2d3236cd7cc119473d2d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"879b64d52b388bed4abef4c695b178f9a05836d970d2d3236cd7cc119473d2d2","first_computed_at":"2026-05-18T03:07:22.355882Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:07:22.355882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hXGwv1IaTt3wJMopFgUmBtS8no3E3c6qGyjNtqgKgjg6QQ56jo5gmWASQnrAbsEJ5so8jlh3ZkgtGvJx3x+IBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:07:22.356434Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.2613","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fcb23bbf2b958ddf7247083457e9ea6eb43f411cba00bc8066b8983f998cf66e","sha256:2d9f4b94bd36d69b8eac9cea0f7873588587a0575c2ea24e7d256b7ef31d4de1"],"state_sha256":"16a36ea8cfac6b07646e555ae36c0b660c67ad9ec312f705ff8b04229ce98a73"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e4M7mowFMvvLXeTKOJmRlIM7Wvj82yLVOJhquYWhIZtUIJpqcl8MMX1teY3lm7WCcUXTQKCZhxKLD+wXfB4tAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T22:20:34.392721Z","bundle_sha256":"7094c16bb8cb1f5ef53c2feeabeb5f143bb18ace91961f6c61cb1c9a812096ac"}}