{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:UBDJZQNXDCP2XNCH5LR2EAPWTG","short_pith_number":"pith:UBDJZQNX","canonical_record":{"source":{"id":"1308.4046","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-08-19T14:58:55Z","cross_cats_sorted":["physics.plasm-ph"],"title_canon_sha256":"d0bff5f98a2a00f9e342775dd8f8dc54e3747d5a88ae85fa7b965fa7ae1fdfc8","abstract_canon_sha256":"dcca45811f32af66abc3a036d43218f75f51d75d408a3a5bd7b453e2ab8b7d30"},"schema_version":"1.0"},"canonical_sha256":"a0469cc1b7189fabb447eae3a201f699a8eaa84d569c53223501e16c9f903083","source":{"kind":"arxiv","id":"1308.4046","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.4046","created_at":"2026-05-18T01:48:13Z"},{"alias_kind":"arxiv_version","alias_value":"1308.4046v2","created_at":"2026-05-18T01:48:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.4046","created_at":"2026-05-18T01:48:13Z"},{"alias_kind":"pith_short_12","alias_value":"UBDJZQNXDCP2","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UBDJZQNXDCP2XNCH","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UBDJZQNX","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:UBDJZQNXDCP2XNCH5LR2EAPWTG","target":"record","payload":{"canonical_record":{"source":{"id":"1308.4046","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-08-19T14:58:55Z","cross_cats_sorted":["physics.plasm-ph"],"title_canon_sha256":"d0bff5f98a2a00f9e342775dd8f8dc54e3747d5a88ae85fa7b965fa7ae1fdfc8","abstract_canon_sha256":"dcca45811f32af66abc3a036d43218f75f51d75d408a3a5bd7b453e2ab8b7d30"},"schema_version":"1.0"},"canonical_sha256":"a0469cc1b7189fabb447eae3a201f699a8eaa84d569c53223501e16c9f903083","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:13.970121Z","signature_b64":"XbYYTHi881ffb8QUzmolGBC81IMUUZsAtlzyTZI2ZRewQDNrgy7Q3gRmqG5lPPvxpGhFaHhv4uxA80oAVLkrBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a0469cc1b7189fabb447eae3a201f699a8eaa84d569c53223501e16c9f903083","last_reissued_at":"2026-05-18T01:48:13.969599Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:13.969599Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1308.4046","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":"2026-05-18T01:48:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TUMMu/Y6/Q2iUrhEvkkemaiCMEpCQtYRVoA6bsyhBQdcgqs+0V888FZXhPP1U4CUD1cJ6SDzmexRYDwATE6EBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:52:19.309924Z"},"content_sha256":"b8074fa2008059b8447ffd06dd1af9e6bd2cd221e1f91a69c804e4c114b97903","schema_version":"1.0","event_id":"sha256:b8074fa2008059b8447ffd06dd1af9e6bd2cd221e1f91a69c804e4c114b97903"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:UBDJZQNXDCP2XNCH5LR2EAPWTG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct Numerical Simulations of Reflection-Driven, Reduced MHD Turbulence from the Sun to the Alfven Critical Point","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.plasm-ph"],"primary_cat":"astro-ph.SR","authors_text":"Benjamin D. G. Chandran, Jean C Perez","submitted_at":"2013-08-19T14:58:55Z","abstract_excerpt":"We present direct numerical simulations of inhomogeneous reduced magnetohydrodynamic (RMHD) turbulence between the Sun and the Alfv\\'en critical point. These are the first such simulations that take into account the solar-wind outflow velocity and the radial inhomogeneity of the background solar wind without approximating the nonlinear terms in the governing equations. RMHD turbulence is driven by outward-propagating Alfv\\'en waves ($z^+$ fluctuations) launched from the Sun, which undergo partial non-WKB reflection to produce sunward-propagating Alfv\\'en waves ($z^-$ fluctuations). We present "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.4046","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":"2026-05-18T01:48:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4ipWRwnPVLijRG9Zmx5lxo82vDDZS5mLwPea9U4o1fDQCPsuAU7OCopzIrNUp+2BQD+Fk08YJZRzYk+vbFBxAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:52:19.310663Z"},"content_sha256":"41e40ca4ffaf78b27038c823e10f734329e2b684313c20c41656191cdb8bbe7a","schema_version":"1.0","event_id":"sha256:41e40ca4ffaf78b27038c823e10f734329e2b684313c20c41656191cdb8bbe7a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UBDJZQNXDCP2XNCH5LR2EAPWTG/bundle.json","state_url":"https://pith.science/pith/UBDJZQNXDCP2XNCH5LR2EAPWTG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UBDJZQNXDCP2XNCH5LR2EAPWTG/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":"2026-05-27T08:52:19Z","links":{"resolver":"https://pith.science/pith/UBDJZQNXDCP2XNCH5LR2EAPWTG","bundle":"https://pith.science/pith/UBDJZQNXDCP2XNCH5LR2EAPWTG/bundle.json","state":"https://pith.science/pith/UBDJZQNXDCP2XNCH5LR2EAPWTG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UBDJZQNXDCP2XNCH5LR2EAPWTG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:UBDJZQNXDCP2XNCH5LR2EAPWTG","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":"dcca45811f32af66abc3a036d43218f75f51d75d408a3a5bd7b453e2ab8b7d30","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-08-19T14:58:55Z","title_canon_sha256":"d0bff5f98a2a00f9e342775dd8f8dc54e3747d5a88ae85fa7b965fa7ae1fdfc8"},"schema_version":"1.0","source":{"id":"1308.4046","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.4046","created_at":"2026-05-18T01:48:13Z"},{"alias_kind":"arxiv_version","alias_value":"1308.4046v2","created_at":"2026-05-18T01:48:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.4046","created_at":"2026-05-18T01:48:13Z"},{"alias_kind":"pith_short_12","alias_value":"UBDJZQNXDCP2","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UBDJZQNXDCP2XNCH","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UBDJZQNX","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:41e40ca4ffaf78b27038c823e10f734329e2b684313c20c41656191cdb8bbe7a","target":"graph","created_at":"2026-05-18T01:48:13Z","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 present direct numerical simulations of inhomogeneous reduced magnetohydrodynamic (RMHD) turbulence between the Sun and the Alfv\\'en critical point. These are the first such simulations that take into account the solar-wind outflow velocity and the radial inhomogeneity of the background solar wind without approximating the nonlinear terms in the governing equations. RMHD turbulence is driven by outward-propagating Alfv\\'en waves ($z^+$ fluctuations) launched from the Sun, which undergo partial non-WKB reflection to produce sunward-propagating Alfv\\'en waves ($z^-$ fluctuations). We present ","authors_text":"Benjamin D. G. Chandran, Jean C Perez","cross_cats":["physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-08-19T14:58:55Z","title":"Direct Numerical Simulations of Reflection-Driven, Reduced MHD Turbulence from the Sun to the Alfven Critical Point"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.4046","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:b8074fa2008059b8447ffd06dd1af9e6bd2cd221e1f91a69c804e4c114b97903","target":"record","created_at":"2026-05-18T01:48:13Z","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":"dcca45811f32af66abc3a036d43218f75f51d75d408a3a5bd7b453e2ab8b7d30","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-08-19T14:58:55Z","title_canon_sha256":"d0bff5f98a2a00f9e342775dd8f8dc54e3747d5a88ae85fa7b965fa7ae1fdfc8"},"schema_version":"1.0","source":{"id":"1308.4046","kind":"arxiv","version":2}},"canonical_sha256":"a0469cc1b7189fabb447eae3a201f699a8eaa84d569c53223501e16c9f903083","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a0469cc1b7189fabb447eae3a201f699a8eaa84d569c53223501e16c9f903083","first_computed_at":"2026-05-18T01:48:13.969599Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:13.969599Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XbYYTHi881ffb8QUzmolGBC81IMUUZsAtlzyTZI2ZRewQDNrgy7Q3gRmqG5lPPvxpGhFaHhv4uxA80oAVLkrBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:13.970121Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.4046","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8074fa2008059b8447ffd06dd1af9e6bd2cd221e1f91a69c804e4c114b97903","sha256:41e40ca4ffaf78b27038c823e10f734329e2b684313c20c41656191cdb8bbe7a"],"state_sha256":"74c0a9fc0d6e95274cfc2c8cd4d71a5fdbf74e6d194fa0983cba99d47c1e8c25"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B0Zdg3/aaAXwqurfYe1/mfEFa4nQ59H61DUJ6iOBYGy23kmqCz44s1LcRk9wS9ZrS5C3i/ATwZZkjDU0IGGmCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T08:52:19.313764Z","bundle_sha256":"84c17129ec76191ac3bcb0e7ce7ffe0d1fd2ef59cc65e58cf47b015748ecf824"}}