{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:CM5NN6XIMKHU4YKW4LGCPCVPGG","short_pith_number":"pith:CM5NN6XI","schema_version":"1.0","canonical_sha256":"133ad6fae8628f4e6156e2cc278aaf319af45addcfcac0502f33871e27203a83","source":{"kind":"arxiv","id":"1808.10635","version":1},"attestation_state":"computed","paper":{"title":"The role of flux cancellation in eruptions from bipolar active regions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"D. H. Mackay, D. R. Williams, L. M. Green, L. van Driel-Gesztelyi, S. L. Yardley","submitted_at":"2018-08-31T08:49:03Z","abstract_excerpt":"The physical processes or trigger mechanisms that lead to the eruption of coronal mass ejections (CMEs), the largest eruptive phenomenon in the heliosphere, are still undetermined. Low-altitude magnetic reconnection associated with flux cancellation appears to play an important role in CME occurrence as it can form an eruptive configuration and reduce the magnetic flux that contributes to the overlying, stabilising field. We conduct the first comprehensive study of 20 small bipolar active regions in order to probe the role of flux cancellation as an eruption trigger mechanism. We categorise er"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1808.10635","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-08-31T08:49:03Z","cross_cats_sorted":[],"title_canon_sha256":"2fa5830e0763889a5b0ea6f3d3175737036863af7bc97743332e3ef769cb6585","abstract_canon_sha256":"8d0f0b0ac29c1ca264bdeb09d0aa2f5c5f19b3ca4a7fcf3b9d67e2920e9e9f28"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:01.768657Z","signature_b64":"IjxaaPYMX9Rz+RxaeMQCSRO4hENwxBGCkzt4WhDHn8Zz33jwCvOftFdsCiDAJEOs7xFYyBqYdvvdYizlaU6OAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"133ad6fae8628f4e6156e2cc278aaf319af45addcfcac0502f33871e27203a83","last_reissued_at":"2026-05-18T00:03:01.768076Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:01.768076Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The role of flux cancellation in eruptions from bipolar active regions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"D. H. Mackay, D. R. Williams, L. M. Green, L. van Driel-Gesztelyi, S. L. Yardley","submitted_at":"2018-08-31T08:49:03Z","abstract_excerpt":"The physical processes or trigger mechanisms that lead to the eruption of coronal mass ejections (CMEs), the largest eruptive phenomenon in the heliosphere, are still undetermined. Low-altitude magnetic reconnection associated with flux cancellation appears to play an important role in CME occurrence as it can form an eruptive configuration and reduce the magnetic flux that contributes to the overlying, stabilising field. We conduct the first comprehensive study of 20 small bipolar active regions in order to probe the role of flux cancellation as an eruption trigger mechanism. We categorise er"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.10635","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1808.10635","created_at":"2026-05-18T00:03:01.768158+00:00"},{"alias_kind":"arxiv_version","alias_value":"1808.10635v1","created_at":"2026-05-18T00:03:01.768158+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.10635","created_at":"2026-05-18T00:03:01.768158+00:00"},{"alias_kind":"pith_short_12","alias_value":"CM5NN6XIMKHU","created_at":"2026-05-18T12:32:16.446611+00:00"},{"alias_kind":"pith_short_16","alias_value":"CM5NN6XIMKHU4YKW","created_at":"2026-05-18T12:32:16.446611+00:00"},{"alias_kind":"pith_short_8","alias_value":"CM5NN6XI","created_at":"2026-05-18T12:32:16.446611+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/CM5NN6XIMKHU4YKW4LGCPCVPGG","json":"https://pith.science/pith/CM5NN6XIMKHU4YKW4LGCPCVPGG.json","graph_json":"https://pith.science/api/pith-number/CM5NN6XIMKHU4YKW4LGCPCVPGG/graph.json","events_json":"https://pith.science/api/pith-number/CM5NN6XIMKHU4YKW4LGCPCVPGG/events.json","paper":"https://pith.science/paper/CM5NN6XI"},"agent_actions":{"view_html":"https://pith.science/pith/CM5NN6XIMKHU4YKW4LGCPCVPGG","download_json":"https://pith.science/pith/CM5NN6XIMKHU4YKW4LGCPCVPGG.json","view_paper":"https://pith.science/paper/CM5NN6XI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1808.10635&json=true","fetch_graph":"https://pith.science/api/pith-number/CM5NN6XIMKHU4YKW4LGCPCVPGG/graph.json","fetch_events":"https://pith.science/api/pith-number/CM5NN6XIMKHU4YKW4LGCPCVPGG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CM5NN6XIMKHU4YKW4LGCPCVPGG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CM5NN6XIMKHU4YKW4LGCPCVPGG/action/storage_attestation","attest_author":"https://pith.science/pith/CM5NN6XIMKHU4YKW4LGCPCVPGG/action/author_attestation","sign_citation":"https://pith.science/pith/CM5NN6XIMKHU4YKW4LGCPCVPGG/action/citation_signature","submit_replication":"https://pith.science/pith/CM5NN6XIMKHU4YKW4LGCPCVPGG/action/replication_record"}},"created_at":"2026-05-18T00:03:01.768158+00:00","updated_at":"2026-05-18T00:03:01.768158+00:00"}