{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:UPL7SLW257EYPODYPDFGI3YZTD","short_pith_number":"pith:UPL7SLW2","canonical_record":{"source":{"id":"1201.5442","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-01-26T06:05:37Z","cross_cats_sorted":["physics.comp-ph","physics.data-an","physics.flu-dyn","physics.plasm-ph"],"title_canon_sha256":"6851a7ae5454bfdb3c1a85f89f8b95aff73424f0c14cfdae40d2b9689e3f7736","abstract_canon_sha256":"2da924d69807d6a11f6b18c450d50ea1e67e307a92f12cd6fa9d20fcbaf256ac"},"schema_version":"1.0"},"canonical_sha256":"a3d7f92edaefc987b87878ca646f1998fe371a71e3a91bb65025dcdd3229e9d7","source":{"kind":"arxiv","id":"1201.5442","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.5442","created_at":"2026-05-18T01:58:41Z"},{"alias_kind":"arxiv_version","alias_value":"1201.5442v1","created_at":"2026-05-18T01:58:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.5442","created_at":"2026-05-18T01:58:41Z"},{"alias_kind":"pith_short_12","alias_value":"UPL7SLW257EY","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"UPL7SLW257EYPODY","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"UPL7SLW2","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:UPL7SLW257EYPODYPDFGI3YZTD","target":"record","payload":{"canonical_record":{"source":{"id":"1201.5442","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-01-26T06:05:37Z","cross_cats_sorted":["physics.comp-ph","physics.data-an","physics.flu-dyn","physics.plasm-ph"],"title_canon_sha256":"6851a7ae5454bfdb3c1a85f89f8b95aff73424f0c14cfdae40d2b9689e3f7736","abstract_canon_sha256":"2da924d69807d6a11f6b18c450d50ea1e67e307a92f12cd6fa9d20fcbaf256ac"},"schema_version":"1.0"},"canonical_sha256":"a3d7f92edaefc987b87878ca646f1998fe371a71e3a91bb65025dcdd3229e9d7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:41.688076Z","signature_b64":"6nNP12Xynv714K4a9bWO2nccI35KIF/tHF648304wU6F80K73sjXWu6Kud9UlD0sF1t9+cTsqkJP84IVlIHmCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a3d7f92edaefc987b87878ca646f1998fe371a71e3a91bb65025dcdd3229e9d7","last_reissued_at":"2026-05-18T01:58:41.687424Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:41.687424Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.5442","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":"2026-05-18T01:58:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bkx6o2htzXspKXCVlP+8Oxn7XbvCXbD/wcwDbd0+1r0vxsupxBUYSw5bxZyw7eGts3DW7vXIpL7cA5o2xkKjAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T07:10:24.450433Z"},"content_sha256":"5086e0e209e0088ce5bf699372a9d7be91eddf802538a466d6d739373ba0d354","schema_version":"1.0","event_id":"sha256:5086e0e209e0088ce5bf699372a9d7be91eddf802538a466d6d739373ba0d354"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:UPL7SLW257EYPODYPDFGI3YZTD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamics of Magnetized Vortex Tubes in the Solar Chromosphere","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph","physics.data-an","physics.flu-dyn","physics.plasm-ph"],"primary_cat":"astro-ph.SR","authors_text":"A.A. Wray, A.G. Kosovichev, I.N. Kitiashvili, N.N. Mansour","submitted_at":"2012-01-26T06:05:37Z","abstract_excerpt":"We use 3D radiative MHD simulations to investigate the formation and dynamics of small-scale (less than 0.5 Mm in diameter) vortex tubes spontaneously generated by turbulent convection in quiet-Sun regions with initially weak mean magnetic fields. The results show that the vortex tubes penetrate into the chromosphere and substantially affect the structure and dynamics of the solar atmosphere. The vortex tubes are mostly concentrated in intergranular lanes and are characterized by strong (near sonic) downflows and swirling motions that capture and twist magnetic field lines, forming magnetic fl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.5442","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":"2026-05-18T01:58:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ugsXMpeJ1hhXXy1RFGs2Us4t/E5dZu12zGOtjB8RJQC1VL7vYsGxI6H4ufc66LmtuZaTU/taJIjtV7z0Sl43Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T07:10:24.451182Z"},"content_sha256":"1b5702c7505470ab47d55a8605175896605c7dbc541572cf48997a699be1ea29","schema_version":"1.0","event_id":"sha256:1b5702c7505470ab47d55a8605175896605c7dbc541572cf48997a699be1ea29"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UPL7SLW257EYPODYPDFGI3YZTD/bundle.json","state_url":"https://pith.science/pith/UPL7SLW257EYPODYPDFGI3YZTD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UPL7SLW257EYPODYPDFGI3YZTD/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":"2026-05-31T07:10:24Z","links":{"resolver":"https://pith.science/pith/UPL7SLW257EYPODYPDFGI3YZTD","bundle":"https://pith.science/pith/UPL7SLW257EYPODYPDFGI3YZTD/bundle.json","state":"https://pith.science/pith/UPL7SLW257EYPODYPDFGI3YZTD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UPL7SLW257EYPODYPDFGI3YZTD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:UPL7SLW257EYPODYPDFGI3YZTD","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":"2da924d69807d6a11f6b18c450d50ea1e67e307a92f12cd6fa9d20fcbaf256ac","cross_cats_sorted":["physics.comp-ph","physics.data-an","physics.flu-dyn","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-01-26T06:05:37Z","title_canon_sha256":"6851a7ae5454bfdb3c1a85f89f8b95aff73424f0c14cfdae40d2b9689e3f7736"},"schema_version":"1.0","source":{"id":"1201.5442","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.5442","created_at":"2026-05-18T01:58:41Z"},{"alias_kind":"arxiv_version","alias_value":"1201.5442v1","created_at":"2026-05-18T01:58:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.5442","created_at":"2026-05-18T01:58:41Z"},{"alias_kind":"pith_short_12","alias_value":"UPL7SLW257EY","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"UPL7SLW257EYPODY","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"UPL7SLW2","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:1b5702c7505470ab47d55a8605175896605c7dbc541572cf48997a699be1ea29","target":"graph","created_at":"2026-05-18T01:58:41Z","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 use 3D radiative MHD simulations to investigate the formation and dynamics of small-scale (less than 0.5 Mm in diameter) vortex tubes spontaneously generated by turbulent convection in quiet-Sun regions with initially weak mean magnetic fields. The results show that the vortex tubes penetrate into the chromosphere and substantially affect the structure and dynamics of the solar atmosphere. The vortex tubes are mostly concentrated in intergranular lanes and are characterized by strong (near sonic) downflows and swirling motions that capture and twist magnetic field lines, forming magnetic fl","authors_text":"A.A. Wray, A.G. Kosovichev, I.N. Kitiashvili, N.N. Mansour","cross_cats":["physics.comp-ph","physics.data-an","physics.flu-dyn","physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-01-26T06:05:37Z","title":"Dynamics of Magnetized Vortex Tubes in the Solar Chromosphere"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.5442","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":"sha256:5086e0e209e0088ce5bf699372a9d7be91eddf802538a466d6d739373ba0d354","target":"record","created_at":"2026-05-18T01:58:41Z","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":"2da924d69807d6a11f6b18c450d50ea1e67e307a92f12cd6fa9d20fcbaf256ac","cross_cats_sorted":["physics.comp-ph","physics.data-an","physics.flu-dyn","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-01-26T06:05:37Z","title_canon_sha256":"6851a7ae5454bfdb3c1a85f89f8b95aff73424f0c14cfdae40d2b9689e3f7736"},"schema_version":"1.0","source":{"id":"1201.5442","kind":"arxiv","version":1}},"canonical_sha256":"a3d7f92edaefc987b87878ca646f1998fe371a71e3a91bb65025dcdd3229e9d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a3d7f92edaefc987b87878ca646f1998fe371a71e3a91bb65025dcdd3229e9d7","first_computed_at":"2026-05-18T01:58:41.687424Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:41.687424Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6nNP12Xynv714K4a9bWO2nccI35KIF/tHF648304wU6F80K73sjXWu6Kud9UlD0sF1t9+cTsqkJP84IVlIHmCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:41.688076Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.5442","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5086e0e209e0088ce5bf699372a9d7be91eddf802538a466d6d739373ba0d354","sha256:1b5702c7505470ab47d55a8605175896605c7dbc541572cf48997a699be1ea29"],"state_sha256":"a84df6c49a7641635b3d74f1737e12101f057dedcc71d0ec84500addefaa007e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oU8oXJ/PA/OCa4fcutPAtt61NvI7WFBhJRc8UcYne3kVP59bZ7KEKhskMJ4i/X05oJwgWlUD2MwufdDxQUe0Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T07:10:24.455240Z","bundle_sha256":"e86e0909fc9d836bf23b10468d45bda324b1cf330975e6e74031ab3e03244a28"}}