{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:RFRUDMTAZPHTFPTJ6E4L2MEGTQ","short_pith_number":"pith:RFRUDMTA","canonical_record":{"source":{"id":"1501.02562","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-01-12T08:13:49Z","cross_cats_sorted":[],"title_canon_sha256":"d3ab8f93da1c54b25be9f672c4c0fc30f6d2a703d8f9d07bb8ef74b9215fa9ff","abstract_canon_sha256":"82ae4674588ca4c488298ccbadd7e6420a8d0015ea0ae03aa21f652acd2cf966"},"schema_version":"1.0"},"canonical_sha256":"896341b260cbcf32be69f138bd30869c255786b772c9d42a35b86756a28092ad","source":{"kind":"arxiv","id":"1501.02562","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.02562","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"arxiv_version","alias_value":"1501.02562v1","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.02562","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"pith_short_12","alias_value":"RFRUDMTAZPHT","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"RFRUDMTAZPHTFPTJ","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"RFRUDMTA","created_at":"2026-05-18T12:29:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:RFRUDMTAZPHTFPTJ6E4L2MEGTQ","target":"record","payload":{"canonical_record":{"source":{"id":"1501.02562","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-01-12T08:13:49Z","cross_cats_sorted":[],"title_canon_sha256":"d3ab8f93da1c54b25be9f672c4c0fc30f6d2a703d8f9d07bb8ef74b9215fa9ff","abstract_canon_sha256":"82ae4674588ca4c488298ccbadd7e6420a8d0015ea0ae03aa21f652acd2cf966"},"schema_version":"1.0"},"canonical_sha256":"896341b260cbcf32be69f138bd30869c255786b772c9d42a35b86756a28092ad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:11.692577Z","signature_b64":"AntUr6JXj0jfxthQeVf4h7CXb5IKwEX4ZNyGpNWFMtE3LV8dUoHT34DtO5/B2PSixTctOEN0/Bd+c5d4ZIaDDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"896341b260cbcf32be69f138bd30869c255786b772c9d42a35b86756a28092ad","last_reissued_at":"2026-05-18T01:41:11.692035Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:11.692035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.02562","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":"2026-05-18T01:41:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g0TAHSmdENX7bsdW82jEZFAA666P+mJzas5HwPUedqjsIuZzL5wZxjpfMN+utZRPPAEFjrrtlVh2+p/SqRJ4Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T11:49:27.945117Z"},"content_sha256":"290c9a3c25b9d09ccf44bfad3e6f1fe8c00b6bc2d173fe9f4b08fc92890ca8d9","schema_version":"1.0","event_id":"sha256:290c9a3c25b9d09ccf44bfad3e6f1fe8c00b6bc2d173fe9f4b08fc92890ca8d9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:RFRUDMTAZPHTFPTJ6E4L2MEGTQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Solar Magnetic Flux Ropes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Abhishek K. Srivastava, Boris Filippov, Olesya Martsenyuk, Wahab Uddin","submitted_at":"2015-01-12T08:13:49Z","abstract_excerpt":"The most probable initial magnetic configuration of a CME is a flux rope consisting of twisted field lines which fill the whole volume of a dark coronal cavity. The flux ropes can be in stable equilibrium in the coronal magnetic field for weeks and even months, but suddenly they loose their stability and erupt with high speed. Their transition to the unstable phase depends on the parameters of the flux rope (i.e., total electric current, twist, mass loading etc.), as well as on the properties of the ambient coronal magnetic field. One of the major governing factors is the vertical gradient of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.02562","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":"2026-05-18T01:41:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4dYjAhPPfzfM7vMcFGkrQF3zn/OFHLwa4g6Zl/NBGYVqkTckF2EagxRawaNui3mpwfJBLuv8I4zmDB02ZzfdBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T11:49:27.945484Z"},"content_sha256":"b9a58ef938369e5fd54d4c82235aa16402cb22c4f0f82c1a98fa8758092455d5","schema_version":"1.0","event_id":"sha256:b9a58ef938369e5fd54d4c82235aa16402cb22c4f0f82c1a98fa8758092455d5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RFRUDMTAZPHTFPTJ6E4L2MEGTQ/bundle.json","state_url":"https://pith.science/pith/RFRUDMTAZPHTFPTJ6E4L2MEGTQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RFRUDMTAZPHTFPTJ6E4L2MEGTQ/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":"2026-06-26T11:49:27Z","links":{"resolver":"https://pith.science/pith/RFRUDMTAZPHTFPTJ6E4L2MEGTQ","bundle":"https://pith.science/pith/RFRUDMTAZPHTFPTJ6E4L2MEGTQ/bundle.json","state":"https://pith.science/pith/RFRUDMTAZPHTFPTJ6E4L2MEGTQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RFRUDMTAZPHTFPTJ6E4L2MEGTQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:RFRUDMTAZPHTFPTJ6E4L2MEGTQ","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":"82ae4674588ca4c488298ccbadd7e6420a8d0015ea0ae03aa21f652acd2cf966","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-01-12T08:13:49Z","title_canon_sha256":"d3ab8f93da1c54b25be9f672c4c0fc30f6d2a703d8f9d07bb8ef74b9215fa9ff"},"schema_version":"1.0","source":{"id":"1501.02562","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.02562","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"arxiv_version","alias_value":"1501.02562v1","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.02562","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"pith_short_12","alias_value":"RFRUDMTAZPHT","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"RFRUDMTAZPHTFPTJ","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"RFRUDMTA","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:b9a58ef938369e5fd54d4c82235aa16402cb22c4f0f82c1a98fa8758092455d5","target":"graph","created_at":"2026-05-18T01:41:11Z","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":"The most probable initial magnetic configuration of a CME is a flux rope consisting of twisted field lines which fill the whole volume of a dark coronal cavity. The flux ropes can be in stable equilibrium in the coronal magnetic field for weeks and even months, but suddenly they loose their stability and erupt with high speed. Their transition to the unstable phase depends on the parameters of the flux rope (i.e., total electric current, twist, mass loading etc.), as well as on the properties of the ambient coronal magnetic field. One of the major governing factors is the vertical gradient of ","authors_text":"Abhishek K. Srivastava, Boris Filippov, Olesya Martsenyuk, Wahab Uddin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-01-12T08:13:49Z","title":"Solar Magnetic Flux Ropes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.02562","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":"sha256:290c9a3c25b9d09ccf44bfad3e6f1fe8c00b6bc2d173fe9f4b08fc92890ca8d9","target":"record","created_at":"2026-05-18T01:41:11Z","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":"82ae4674588ca4c488298ccbadd7e6420a8d0015ea0ae03aa21f652acd2cf966","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-01-12T08:13:49Z","title_canon_sha256":"d3ab8f93da1c54b25be9f672c4c0fc30f6d2a703d8f9d07bb8ef74b9215fa9ff"},"schema_version":"1.0","source":{"id":"1501.02562","kind":"arxiv","version":1}},"canonical_sha256":"896341b260cbcf32be69f138bd30869c255786b772c9d42a35b86756a28092ad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"896341b260cbcf32be69f138bd30869c255786b772c9d42a35b86756a28092ad","first_computed_at":"2026-05-18T01:41:11.692035Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:11.692035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AntUr6JXj0jfxthQeVf4h7CXb5IKwEX4ZNyGpNWFMtE3LV8dUoHT34DtO5/B2PSixTctOEN0/Bd+c5d4ZIaDDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:11.692577Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.02562","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:290c9a3c25b9d09ccf44bfad3e6f1fe8c00b6bc2d173fe9f4b08fc92890ca8d9","sha256:b9a58ef938369e5fd54d4c82235aa16402cb22c4f0f82c1a98fa8758092455d5"],"state_sha256":"2c6536877dd3bb940341b5ce5c55576b8d9e0430ff8b0e7d7a4a8c519d5dc776"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DX2i0OGZS+Sv3FG1hoiAKE4UIWcXNXtgBUKq32kY52bkwZ+KnmpSkE0+E34O6jEsT0NesoS0cpzDkify1/pXDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T11:49:27.947526Z","bundle_sha256":"190c86a6aa6a26dfde292c994e1165f2829a16ce1039f3d8d71793d2b7e638fc"}}