{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:MVORPF6SHUMO4WTYKBHHV6277P","short_pith_number":"pith:MVORPF6S","canonical_record":{"source":{"id":"1010.3899","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-19T13:19:16Z","cross_cats_sorted":[],"title_canon_sha256":"6a61c8d1e1b7190079ce29d10b69a62e40c57c85c942f27ae11bafe46a414f90","abstract_canon_sha256":"a6f376d8c93c8cdb1e6449bad3e1388734b33c434c563b9a9441f0d4e89215a8"},"schema_version":"1.0"},"canonical_sha256":"655d1797d23d18ee5a78504e7afb5ffbf0b422b151c34a112d27a870748d5481","source":{"kind":"arxiv","id":"1010.3899","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.3899","created_at":"2026-05-18T02:05:01Z"},{"alias_kind":"arxiv_version","alias_value":"1010.3899v1","created_at":"2026-05-18T02:05:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.3899","created_at":"2026-05-18T02:05:01Z"},{"alias_kind":"pith_short_12","alias_value":"MVORPF6SHUMO","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"MVORPF6SHUMO4WTY","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"MVORPF6S","created_at":"2026-05-18T12:26:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:MVORPF6SHUMO4WTYKBHHV6277P","target":"record","payload":{"canonical_record":{"source":{"id":"1010.3899","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-19T13:19:16Z","cross_cats_sorted":[],"title_canon_sha256":"6a61c8d1e1b7190079ce29d10b69a62e40c57c85c942f27ae11bafe46a414f90","abstract_canon_sha256":"a6f376d8c93c8cdb1e6449bad3e1388734b33c434c563b9a9441f0d4e89215a8"},"schema_version":"1.0"},"canonical_sha256":"655d1797d23d18ee5a78504e7afb5ffbf0b422b151c34a112d27a870748d5481","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:01.178795Z","signature_b64":"xtNZgMpAzjVKy4J0RObTKBWT7TyLi2rV51sAUPLADjx2JkRC//FEvyxD35QpeXRB3ig5ukaTX5pqTqaDImTsDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"655d1797d23d18ee5a78504e7afb5ffbf0b422b151c34a112d27a870748d5481","last_reissued_at":"2026-05-18T02:05:01.178134Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:01.178134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.3899","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":"2026-05-18T02:05:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4fDs/sk7B4pKmgrJSSrWQbSkouiFnEk+dEntsHkisS4ZRlqj85aTUtbsXxAPEo5vq56fOk3DbCx/glQZOq5TAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T18:29:21.538897Z"},"content_sha256":"325343fd4db71dd430ffd4ae15c2953886c9ec0a54d44ba1c19b76fdbbbaab73","schema_version":"1.0","event_id":"sha256:325343fd4db71dd430ffd4ae15c2953886c9ec0a54d44ba1c19b76fdbbbaab73"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:MVORPF6SHUMO4WTYKBHHV6277P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Amplification and stability of magnetic fields and dynamo effect in young A stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"G. Ruediger, R. Arlt","submitted_at":"2010-10-19T13:19:16Z","abstract_excerpt":"This study is concerned with the early evolution of magnetic fields and differential rotation of intermediate-mass stars which may evolve into Ap stars. We report on simulations of the interplay of differential rotation and magnetic fields, the stability limits and non-linear evolution of such configurations, and the prospects of dynamo action from the unstable cases. The axisymmetric problem delivers a balance between field amplification and back-reaction of the magnetic field on the differential rotation. The non-axisymmetric case involves also the Tayler instability of the amplified toroida"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.3899","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":"2026-05-18T02:05:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R5SmUTqne3uZxql3aO/zBoyhCZuqXxOeXZwaOk9rg0ndO/OxYwTJqrpYc+aj3Mmn1uYf1ewB0SEM6FxRzbZUAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T18:29:21.539253Z"},"content_sha256":"1e55f77e419638a8c28321413851df7fd518ee96651ac5a3995fc0daf7df01e4","schema_version":"1.0","event_id":"sha256:1e55f77e419638a8c28321413851df7fd518ee96651ac5a3995fc0daf7df01e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MVORPF6SHUMO4WTYKBHHV6277P/bundle.json","state_url":"https://pith.science/pith/MVORPF6SHUMO4WTYKBHHV6277P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MVORPF6SHUMO4WTYKBHHV6277P/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":"2026-06-25T18:29:21Z","links":{"resolver":"https://pith.science/pith/MVORPF6SHUMO4WTYKBHHV6277P","bundle":"https://pith.science/pith/MVORPF6SHUMO4WTYKBHHV6277P/bundle.json","state":"https://pith.science/pith/MVORPF6SHUMO4WTYKBHHV6277P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MVORPF6SHUMO4WTYKBHHV6277P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:MVORPF6SHUMO4WTYKBHHV6277P","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":"a6f376d8c93c8cdb1e6449bad3e1388734b33c434c563b9a9441f0d4e89215a8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-19T13:19:16Z","title_canon_sha256":"6a61c8d1e1b7190079ce29d10b69a62e40c57c85c942f27ae11bafe46a414f90"},"schema_version":"1.0","source":{"id":"1010.3899","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.3899","created_at":"2026-05-18T02:05:01Z"},{"alias_kind":"arxiv_version","alias_value":"1010.3899v1","created_at":"2026-05-18T02:05:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.3899","created_at":"2026-05-18T02:05:01Z"},{"alias_kind":"pith_short_12","alias_value":"MVORPF6SHUMO","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"MVORPF6SHUMO4WTY","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"MVORPF6S","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:1e55f77e419638a8c28321413851df7fd518ee96651ac5a3995fc0daf7df01e4","target":"graph","created_at":"2026-05-18T02:05:01Z","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":"This study is concerned with the early evolution of magnetic fields and differential rotation of intermediate-mass stars which may evolve into Ap stars. We report on simulations of the interplay of differential rotation and magnetic fields, the stability limits and non-linear evolution of such configurations, and the prospects of dynamo action from the unstable cases. The axisymmetric problem delivers a balance between field amplification and back-reaction of the magnetic field on the differential rotation. The non-axisymmetric case involves also the Tayler instability of the amplified toroida","authors_text":"G. Ruediger, R. Arlt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-19T13:19:16Z","title":"Amplification and stability of magnetic fields and dynamo effect in young A stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.3899","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":"sha256:325343fd4db71dd430ffd4ae15c2953886c9ec0a54d44ba1c19b76fdbbbaab73","target":"record","created_at":"2026-05-18T02:05:01Z","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":"a6f376d8c93c8cdb1e6449bad3e1388734b33c434c563b9a9441f0d4e89215a8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-19T13:19:16Z","title_canon_sha256":"6a61c8d1e1b7190079ce29d10b69a62e40c57c85c942f27ae11bafe46a414f90"},"schema_version":"1.0","source":{"id":"1010.3899","kind":"arxiv","version":1}},"canonical_sha256":"655d1797d23d18ee5a78504e7afb5ffbf0b422b151c34a112d27a870748d5481","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"655d1797d23d18ee5a78504e7afb5ffbf0b422b151c34a112d27a870748d5481","first_computed_at":"2026-05-18T02:05:01.178134Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:01.178134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xtNZgMpAzjVKy4J0RObTKBWT7TyLi2rV51sAUPLADjx2JkRC//FEvyxD35QpeXRB3ig5ukaTX5pqTqaDImTsDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:01.178795Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.3899","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:325343fd4db71dd430ffd4ae15c2953886c9ec0a54d44ba1c19b76fdbbbaab73","sha256:1e55f77e419638a8c28321413851df7fd518ee96651ac5a3995fc0daf7df01e4"],"state_sha256":"eed47f15d599ad778294336d008dfbeb568529a81605db1ec69a42fe57e0cf9c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9qI9lcJLN9VWpIuVuJy/m2E+d+pMxvgz/9seopwoKyeEa496H4MjlWkC9sQTtBdHeiFgG4dE/M2ku3n+OB4UDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T18:29:21.541329Z","bundle_sha256":"5c03ce264df0d85f2f9e8822437cf325d65bc3cb211b376f49a5e34712bd2062"}}