{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:VUINARKSZ6525VZGRPJFWATIE2","short_pith_number":"pith:VUINARKS","canonical_record":{"source":{"id":"1307.1105","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2013-07-02T18:35:57Z","cross_cats_sorted":["math.MP","physics.flu-dyn"],"title_canon_sha256":"0e6e9c7c31d0c0f4e79c0040c993088142fc9eb366bb2042494f78c535d514d4","abstract_canon_sha256":"fd4d65a951155ae910b5828aabf18aeadcff931daa30f6829e1580091fcd5309"},"schema_version":"1.0"},"canonical_sha256":"ad10d04552cfbbaed7268bd25b0268269a78de1ccf80b1c1db02a92e795c0c20","source":{"kind":"arxiv","id":"1307.1105","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.1105","created_at":"2026-05-18T02:57:23Z"},{"alias_kind":"arxiv_version","alias_value":"1307.1105v2","created_at":"2026-05-18T02:57:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.1105","created_at":"2026-05-18T02:57:23Z"},{"alias_kind":"pith_short_12","alias_value":"VUINARKSZ652","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"VUINARKSZ6525VZG","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"VUINARKS","created_at":"2026-05-18T12:28:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:VUINARKSZ6525VZGRPJFWATIE2","target":"record","payload":{"canonical_record":{"source":{"id":"1307.1105","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2013-07-02T18:35:57Z","cross_cats_sorted":["math.MP","physics.flu-dyn"],"title_canon_sha256":"0e6e9c7c31d0c0f4e79c0040c993088142fc9eb366bb2042494f78c535d514d4","abstract_canon_sha256":"fd4d65a951155ae910b5828aabf18aeadcff931daa30f6829e1580091fcd5309"},"schema_version":"1.0"},"canonical_sha256":"ad10d04552cfbbaed7268bd25b0268269a78de1ccf80b1c1db02a92e795c0c20","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:57:23.776652Z","signature_b64":"EqPkVFEgriiYch5uJV5euYyTy57uClTDna/THUK84hKQp4DKBBuXAt/ErrGtbTz2yD5CKOWHo1cJtwwk2y4sBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad10d04552cfbbaed7268bd25b0268269a78de1ccf80b1c1db02a92e795c0c20","last_reissued_at":"2026-05-18T02:57:23.776114Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:57:23.776114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.1105","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":"2026-05-18T02:57:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+SbaMQi0YqC5gYFZ8UhKePehjhi4ca6M82Sg3R3Bk37ZrTFkEX/bWQSPNyLLsQTrxzVyz5/r9qZHoFUkOdFcAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:59:21.330421Z"},"content_sha256":"74255f8182011ccdbfbf5f25f832b209f5e32ef0838bbd4ae84e06abe004732b","schema_version":"1.0","event_id":"sha256:74255f8182011ccdbfbf5f25f832b209f5e32ef0838bbd4ae84e06abe004732b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:VUINARKSZ6525VZGRPJFWATIE2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Local and Nonlocal Advected Invariants and Helicities in Magnetohydrodynamics and Gas Dynamics I: Lie Dragging Approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.MP","physics.flu-dyn"],"primary_cat":"math-ph","authors_text":"Brahmananda Dasgupta, Gary M. Webb, Gary P. Zank, James F McKenzie, Qiang Hu","submitted_at":"2013-07-02T18:35:57Z","abstract_excerpt":"In this paper we discuss conservation laws in ideal magnetohydrodynamics (MHD) and gas dynamics associated with advected invariants. The invariants in some cases, can be related to fluid relabelling symmetries associated with the Lagrangian map. There are different classes of invariants that are advected or Lie dragged with the flow. Simple examples are the advection of the entropy S (a 0-form), and the conservation of magnetic flux (an invariant 2-form advected with the flow). The magnetic flux conservation law is equivalent to Faraday's equation. We discuss the gauge condition required for t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.1105","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":"2026-05-18T02:57:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c+OC7S7fkJmQ7s7JCBdgj/r8VLfccEXOm+GfH+fGiZLEJzwAL8QVsMT8c6qEYv9hKTzJVF4zillDjMprcSevAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:59:21.331068Z"},"content_sha256":"5f780e1b3b2aad4a502193263228f3a876cab01d798e40a0447c4b1bcf10e780","schema_version":"1.0","event_id":"sha256:5f780e1b3b2aad4a502193263228f3a876cab01d798e40a0447c4b1bcf10e780"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VUINARKSZ6525VZGRPJFWATIE2/bundle.json","state_url":"https://pith.science/pith/VUINARKSZ6525VZGRPJFWATIE2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VUINARKSZ6525VZGRPJFWATIE2/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":"2026-05-26T12:59:21Z","links":{"resolver":"https://pith.science/pith/VUINARKSZ6525VZGRPJFWATIE2","bundle":"https://pith.science/pith/VUINARKSZ6525VZGRPJFWATIE2/bundle.json","state":"https://pith.science/pith/VUINARKSZ6525VZGRPJFWATIE2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VUINARKSZ6525VZGRPJFWATIE2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:VUINARKSZ6525VZGRPJFWATIE2","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":"fd4d65a951155ae910b5828aabf18aeadcff931daa30f6829e1580091fcd5309","cross_cats_sorted":["math.MP","physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2013-07-02T18:35:57Z","title_canon_sha256":"0e6e9c7c31d0c0f4e79c0040c993088142fc9eb366bb2042494f78c535d514d4"},"schema_version":"1.0","source":{"id":"1307.1105","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.1105","created_at":"2026-05-18T02:57:23Z"},{"alias_kind":"arxiv_version","alias_value":"1307.1105v2","created_at":"2026-05-18T02:57:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.1105","created_at":"2026-05-18T02:57:23Z"},{"alias_kind":"pith_short_12","alias_value":"VUINARKSZ652","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"VUINARKSZ6525VZG","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"VUINARKS","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:5f780e1b3b2aad4a502193263228f3a876cab01d798e40a0447c4b1bcf10e780","target":"graph","created_at":"2026-05-18T02:57:23Z","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":"In this paper we discuss conservation laws in ideal magnetohydrodynamics (MHD) and gas dynamics associated with advected invariants. The invariants in some cases, can be related to fluid relabelling symmetries associated with the Lagrangian map. There are different classes of invariants that are advected or Lie dragged with the flow. Simple examples are the advection of the entropy S (a 0-form), and the conservation of magnetic flux (an invariant 2-form advected with the flow). The magnetic flux conservation law is equivalent to Faraday's equation. We discuss the gauge condition required for t","authors_text":"Brahmananda Dasgupta, Gary M. Webb, Gary P. Zank, James F McKenzie, Qiang Hu","cross_cats":["math.MP","physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2013-07-02T18:35:57Z","title":"Local and Nonlocal Advected Invariants and Helicities in Magnetohydrodynamics and Gas Dynamics I: Lie Dragging Approach"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.1105","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":"sha256:74255f8182011ccdbfbf5f25f832b209f5e32ef0838bbd4ae84e06abe004732b","target":"record","created_at":"2026-05-18T02:57:23Z","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":"fd4d65a951155ae910b5828aabf18aeadcff931daa30f6829e1580091fcd5309","cross_cats_sorted":["math.MP","physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2013-07-02T18:35:57Z","title_canon_sha256":"0e6e9c7c31d0c0f4e79c0040c993088142fc9eb366bb2042494f78c535d514d4"},"schema_version":"1.0","source":{"id":"1307.1105","kind":"arxiv","version":2}},"canonical_sha256":"ad10d04552cfbbaed7268bd25b0268269a78de1ccf80b1c1db02a92e795c0c20","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad10d04552cfbbaed7268bd25b0268269a78de1ccf80b1c1db02a92e795c0c20","first_computed_at":"2026-05-18T02:57:23.776114Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:57:23.776114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EqPkVFEgriiYch5uJV5euYyTy57uClTDna/THUK84hKQp4DKBBuXAt/ErrGtbTz2yD5CKOWHo1cJtwwk2y4sBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:57:23.776652Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.1105","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:74255f8182011ccdbfbf5f25f832b209f5e32ef0838bbd4ae84e06abe004732b","sha256:5f780e1b3b2aad4a502193263228f3a876cab01d798e40a0447c4b1bcf10e780"],"state_sha256":"e4708afc1a3bffd5c9d2b440308191cb4bdf1e23bf6ba60fe372552cc4e525ed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8nrNcWYV9lWdz1HWxaFxAczY+YB3QTv3hxPSIEfhDD4qrbAlzNDtHFKyDq/Io4QMvwg50ZCAR2QWqh2Al8LNDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T12:59:21.334265Z","bundle_sha256":"e6d572495d862c53a6e51842ac7d6431b30b4eac78252fda493b9dce181c01a1"}}