{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:SGF4USFS4XGVFRN3TCNV3LJUNT","short_pith_number":"pith:SGF4USFS","canonical_record":{"source":{"id":"1701.07499","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-01-25T21:46:09Z","cross_cats_sorted":[],"title_canon_sha256":"7b59adbe65bef978958b6051c231f77ac19d4033f2537f3e6cf012f8b7e9bc65","abstract_canon_sha256":"43b5ace446e6d1f4d245cf7e949c2cdc499612806c961d671a80133c5f740aab"},"schema_version":"1.0"},"canonical_sha256":"918bca48b2e5cd52c5bb989b5dad346cd3d35195e8ee61e9dac4b6068a62ba61","source":{"kind":"arxiv","id":"1701.07499","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.07499","created_at":"2026-05-18T00:52:03Z"},{"alias_kind":"arxiv_version","alias_value":"1701.07499v1","created_at":"2026-05-18T00:52:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.07499","created_at":"2026-05-18T00:52:03Z"},{"alias_kind":"pith_short_12","alias_value":"SGF4USFS4XGV","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SGF4USFS4XGVFRN3","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SGF4USFS","created_at":"2026-05-18T12:31:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:SGF4USFS4XGVFRN3TCNV3LJUNT","target":"record","payload":{"canonical_record":{"source":{"id":"1701.07499","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-01-25T21:46:09Z","cross_cats_sorted":[],"title_canon_sha256":"7b59adbe65bef978958b6051c231f77ac19d4033f2537f3e6cf012f8b7e9bc65","abstract_canon_sha256":"43b5ace446e6d1f4d245cf7e949c2cdc499612806c961d671a80133c5f740aab"},"schema_version":"1.0"},"canonical_sha256":"918bca48b2e5cd52c5bb989b5dad346cd3d35195e8ee61e9dac4b6068a62ba61","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:03.306530Z","signature_b64":"5Loekx0Onm9VV6cyG7d3FNobKgkUNJujiujW+VLCrU8g0Zao7fJQsxnb3CiAYZRsC2CSHZEzRvIzP5KP/NIPCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"918bca48b2e5cd52c5bb989b5dad346cd3d35195e8ee61e9dac4b6068a62ba61","last_reissued_at":"2026-05-18T00:52:03.305961Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:03.305961Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.07499","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":"2026-05-18T00:52:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7JI2cLSm2wOmNjjbNz+0e/BFtA9qZbRcUy1sjy8enLtjy3xm35h+xevWzkEhp2Irh2y3W8CLIPeyEIRzFkn1Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T07:03:43.977437Z"},"content_sha256":"b2fe2a1bc3514cb68a91703633241669b29e24339dbdc66a504502b96e7f918e","schema_version":"1.0","event_id":"sha256:b2fe2a1bc3514cb68a91703633241669b29e24339dbdc66a504502b96e7f918e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:SGF4USFS4XGVFRN3TCNV3LJUNT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Geometric Stability of Pseudo-plane Ideal Flows","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Che Sun","submitted_at":"2017-01-25T21:46:09Z","abstract_excerpt":"Geometric analysis of steady pseudo-plane ideal flow reveals a fundamental relation between vertical coherence and streamline topology. It shows vertical alignment only exists in straightline jet and circular vortex. A geometric stability theory is then developed as a structural stability in contrast to traditional dynamical stability, suggesting all vertical-aligned pseudo-plane flows are geometrically stable and all non-aligned non-straightline flows are unstable. It provides a topological explanation for the tendency of axisymmetrization and vertical alignment observed in vortex experiments"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.07499","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":"2026-05-18T00:52:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tjSYRiD/la6p0o92/kkqPFmGzYMZINSbZlyyMb3DTkTatYtK+9OA2VcKt9A3S5OdefNC938WrwAVVAEs4m6fDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T07:03:43.977772Z"},"content_sha256":"1f6a6d021f1a46797a9d21b955130b63d69099a235ec02416410fa69714b9488","schema_version":"1.0","event_id":"sha256:1f6a6d021f1a46797a9d21b955130b63d69099a235ec02416410fa69714b9488"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SGF4USFS4XGVFRN3TCNV3LJUNT/bundle.json","state_url":"https://pith.science/pith/SGF4USFS4XGVFRN3TCNV3LJUNT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SGF4USFS4XGVFRN3TCNV3LJUNT/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":"2026-06-27T07:03:43Z","links":{"resolver":"https://pith.science/pith/SGF4USFS4XGVFRN3TCNV3LJUNT","bundle":"https://pith.science/pith/SGF4USFS4XGVFRN3TCNV3LJUNT/bundle.json","state":"https://pith.science/pith/SGF4USFS4XGVFRN3TCNV3LJUNT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SGF4USFS4XGVFRN3TCNV3LJUNT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:SGF4USFS4XGVFRN3TCNV3LJUNT","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":"43b5ace446e6d1f4d245cf7e949c2cdc499612806c961d671a80133c5f740aab","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-01-25T21:46:09Z","title_canon_sha256":"7b59adbe65bef978958b6051c231f77ac19d4033f2537f3e6cf012f8b7e9bc65"},"schema_version":"1.0","source":{"id":"1701.07499","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.07499","created_at":"2026-05-18T00:52:03Z"},{"alias_kind":"arxiv_version","alias_value":"1701.07499v1","created_at":"2026-05-18T00:52:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.07499","created_at":"2026-05-18T00:52:03Z"},{"alias_kind":"pith_short_12","alias_value":"SGF4USFS4XGV","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SGF4USFS4XGVFRN3","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SGF4USFS","created_at":"2026-05-18T12:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:1f6a6d021f1a46797a9d21b955130b63d69099a235ec02416410fa69714b9488","target":"graph","created_at":"2026-05-18T00:52:03Z","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":"Geometric analysis of steady pseudo-plane ideal flow reveals a fundamental relation between vertical coherence and streamline topology. It shows vertical alignment only exists in straightline jet and circular vortex. A geometric stability theory is then developed as a structural stability in contrast to traditional dynamical stability, suggesting all vertical-aligned pseudo-plane flows are geometrically stable and all non-aligned non-straightline flows are unstable. It provides a topological explanation for the tendency of axisymmetrization and vertical alignment observed in vortex experiments","authors_text":"Che Sun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-01-25T21:46:09Z","title":"Geometric Stability of Pseudo-plane Ideal Flows"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.07499","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:b2fe2a1bc3514cb68a91703633241669b29e24339dbdc66a504502b96e7f918e","target":"record","created_at":"2026-05-18T00:52:03Z","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":"43b5ace446e6d1f4d245cf7e949c2cdc499612806c961d671a80133c5f740aab","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-01-25T21:46:09Z","title_canon_sha256":"7b59adbe65bef978958b6051c231f77ac19d4033f2537f3e6cf012f8b7e9bc65"},"schema_version":"1.0","source":{"id":"1701.07499","kind":"arxiv","version":1}},"canonical_sha256":"918bca48b2e5cd52c5bb989b5dad346cd3d35195e8ee61e9dac4b6068a62ba61","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"918bca48b2e5cd52c5bb989b5dad346cd3d35195e8ee61e9dac4b6068a62ba61","first_computed_at":"2026-05-18T00:52:03.305961Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:52:03.305961Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5Loekx0Onm9VV6cyG7d3FNobKgkUNJujiujW+VLCrU8g0Zao7fJQsxnb3CiAYZRsC2CSHZEzRvIzP5KP/NIPCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:52:03.306530Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.07499","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b2fe2a1bc3514cb68a91703633241669b29e24339dbdc66a504502b96e7f918e","sha256:1f6a6d021f1a46797a9d21b955130b63d69099a235ec02416410fa69714b9488"],"state_sha256":"61da5cd3efdebc4ffb59096f678dccd097da309001f2bb2ede4bf707fbe725db"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5/tKJ4O7MQLDC+/+f5c/AZIfJenmY0wCzVNj5ADW5yyDgTVSEFKZE0HweshSTZKKS2MlNiA1Fg+2JpMCGjbdDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T07:03:43.979600Z","bundle_sha256":"796666a3a42a850e2a85335e4acb9efff857a1572c4bfd115e5631b477fade68"}}