{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:VLGUO4ESOWAVUWTL2VBVYPEIET","short_pith_number":"pith:VLGUO4ES","canonical_record":{"source":{"id":"1001.1987","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-01-12T19:28:11Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"5343a8c83573e100aa3c321d187c483ea907416ac4a21b18c047175ed20db0e6","abstract_canon_sha256":"6b033fd73e9ed0845347e267049f54d79b43d17d6f4fb32bc30e01277581992d"},"schema_version":"1.0"},"canonical_sha256":"aacd47709275815a5a6bd5435c3c8824e69c230fa08100c2ae6601019e06df79","source":{"kind":"arxiv","id":"1001.1987","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.1987","created_at":"2026-05-18T02:09:55Z"},{"alias_kind":"arxiv_version","alias_value":"1001.1987v2","created_at":"2026-05-18T02:09:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.1987","created_at":"2026-05-18T02:09:55Z"},{"alias_kind":"pith_short_12","alias_value":"VLGUO4ESOWAV","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"VLGUO4ESOWAVUWTL","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"VLGUO4ES","created_at":"2026-05-18T12:26:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:VLGUO4ESOWAVUWTL2VBVYPEIET","target":"record","payload":{"canonical_record":{"source":{"id":"1001.1987","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-01-12T19:28:11Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"5343a8c83573e100aa3c321d187c483ea907416ac4a21b18c047175ed20db0e6","abstract_canon_sha256":"6b033fd73e9ed0845347e267049f54d79b43d17d6f4fb32bc30e01277581992d"},"schema_version":"1.0"},"canonical_sha256":"aacd47709275815a5a6bd5435c3c8824e69c230fa08100c2ae6601019e06df79","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:09:55.359727Z","signature_b64":"fXQechPaMOS3GmL8LjdbKoLn2wI5gYKSQRMk0dEfDzU/gAg/eDjInEPnVNIeAvfTuNJ650TiBxjWZ5m0z1+FDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aacd47709275815a5a6bd5435c3c8824e69c230fa08100c2ae6601019e06df79","last_reissued_at":"2026-05-18T02:09:55.358911Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:09:55.358911Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.1987","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":"2026-05-18T02:09:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MOtJJLi30A3BOkvHfCnUetxsN4Ejgq+Ll7ZcYZUPpkQi3f9ZR3OpbwSTgX363YlImhkrWr+DIc4IdKIx7VbwAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T12:28:28.880907Z"},"content_sha256":"35ecda52e360b02003481fa6dd111291b5462717db277b7bdd83e7602af735d3","schema_version":"1.0","event_id":"sha256:35ecda52e360b02003481fa6dd111291b5462717db277b7bdd83e7602af735d3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:VLGUO4ESOWAVUWTL2VBVYPEIET","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The magnetohydrodynamic instability of current-carrying jets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Alfio Bonanno, Vadim Urpin","submitted_at":"2010-01-12T19:28:11Z","abstract_excerpt":"Magnetohydrodynamic instabilities can be responsible for the formation of structures with various scales in astrophysical jets. We consider the stability properties of jets containing both the azimuthal and axial field of subthermal strength. A magnetic field with complex topology in jets is suggested by theoretical models and is consistent with recent observations. Stability is discussed by means of a linear analysis of the ideal magnetohydrodynamic equations. We argue that in azimuthal and axial magnetic fields the jet is always unstable to non-axisymmetric perturbations. Stabilization does "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.1987","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":"2026-05-18T02:09:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KVBw4kGMGAonU/2xPtDZLmYnqobHZWEPqpqdouPzsHGArzkxSzmKF8AL+ViEx30+fXcbjN/PCzGxrjW+OUS3AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T12:28:28.881252Z"},"content_sha256":"4a0669fdc91acf4622c84134d9b8750aa21598d79419e6c9d72cc4304d774fba","schema_version":"1.0","event_id":"sha256:4a0669fdc91acf4622c84134d9b8750aa21598d79419e6c9d72cc4304d774fba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VLGUO4ESOWAVUWTL2VBVYPEIET/bundle.json","state_url":"https://pith.science/pith/VLGUO4ESOWAVUWTL2VBVYPEIET/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VLGUO4ESOWAVUWTL2VBVYPEIET/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":"2026-06-05T12:28:28Z","links":{"resolver":"https://pith.science/pith/VLGUO4ESOWAVUWTL2VBVYPEIET","bundle":"https://pith.science/pith/VLGUO4ESOWAVUWTL2VBVYPEIET/bundle.json","state":"https://pith.science/pith/VLGUO4ESOWAVUWTL2VBVYPEIET/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VLGUO4ESOWAVUWTL2VBVYPEIET/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:VLGUO4ESOWAVUWTL2VBVYPEIET","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":"6b033fd73e9ed0845347e267049f54d79b43d17d6f4fb32bc30e01277581992d","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-01-12T19:28:11Z","title_canon_sha256":"5343a8c83573e100aa3c321d187c483ea907416ac4a21b18c047175ed20db0e6"},"schema_version":"1.0","source":{"id":"1001.1987","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.1987","created_at":"2026-05-18T02:09:55Z"},{"alias_kind":"arxiv_version","alias_value":"1001.1987v2","created_at":"2026-05-18T02:09:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.1987","created_at":"2026-05-18T02:09:55Z"},{"alias_kind":"pith_short_12","alias_value":"VLGUO4ESOWAV","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"VLGUO4ESOWAVUWTL","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"VLGUO4ES","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:4a0669fdc91acf4622c84134d9b8750aa21598d79419e6c9d72cc4304d774fba","target":"graph","created_at":"2026-05-18T02:09:55Z","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":"Magnetohydrodynamic instabilities can be responsible for the formation of structures with various scales in astrophysical jets. We consider the stability properties of jets containing both the azimuthal and axial field of subthermal strength. A magnetic field with complex topology in jets is suggested by theoretical models and is consistent with recent observations. Stability is discussed by means of a linear analysis of the ideal magnetohydrodynamic equations. We argue that in azimuthal and axial magnetic fields the jet is always unstable to non-axisymmetric perturbations. Stabilization does ","authors_text":"Alfio Bonanno, Vadim Urpin","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-01-12T19:28:11Z","title":"The magnetohydrodynamic instability of current-carrying jets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.1987","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":"sha256:35ecda52e360b02003481fa6dd111291b5462717db277b7bdd83e7602af735d3","target":"record","created_at":"2026-05-18T02:09:55Z","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":"6b033fd73e9ed0845347e267049f54d79b43d17d6f4fb32bc30e01277581992d","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-01-12T19:28:11Z","title_canon_sha256":"5343a8c83573e100aa3c321d187c483ea907416ac4a21b18c047175ed20db0e6"},"schema_version":"1.0","source":{"id":"1001.1987","kind":"arxiv","version":2}},"canonical_sha256":"aacd47709275815a5a6bd5435c3c8824e69c230fa08100c2ae6601019e06df79","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aacd47709275815a5a6bd5435c3c8824e69c230fa08100c2ae6601019e06df79","first_computed_at":"2026-05-18T02:09:55.358911Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:09:55.358911Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fXQechPaMOS3GmL8LjdbKoLn2wI5gYKSQRMk0dEfDzU/gAg/eDjInEPnVNIeAvfTuNJ650TiBxjWZ5m0z1+FDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:09:55.359727Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.1987","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:35ecda52e360b02003481fa6dd111291b5462717db277b7bdd83e7602af735d3","sha256:4a0669fdc91acf4622c84134d9b8750aa21598d79419e6c9d72cc4304d774fba"],"state_sha256":"a59f453f7dfe3bc1b00c22a60cb9a2e57903dc2a1ab104eedeaba990197a81e4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GIKthh7r6RkmTh7YOK5VkM0c3B6Cohlp/2azrnNNpPiK6UD3zSDv82lh/m3Z3z/TI49KFh3qhfz4uH+Vo6zEBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T12:28:28.883574Z","bundle_sha256":"99b89ecefeb8dfc5f85e5906482718821068ea82203d649838aa6bbc7ac6ad04"}}