{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:BPPZNPI5TAKQWDGM3SUQ3RNOQM","short_pith_number":"pith:BPPZNPI5","canonical_record":{"source":{"id":"1910.06563","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-10-15T07:19:21Z","cross_cats_sorted":[],"title_canon_sha256":"739b805d9d4c5367ddb3d452f40f9ed02c01b2ee1b38fe92775df06c39ef496b","abstract_canon_sha256":"65cf06bc7e8b99a8cf103408784cbacba49fe7f8cdc7ee1ef1562cb83df9bfff"},"schema_version":"1.0"},"canonical_sha256":"0bdf96bd1d98150b0cccdca90dc5ae831c16cdb451284f02dca6b5b700c40864","source":{"kind":"arxiv","id":"1910.06563","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.06563","created_at":"2026-07-05T00:31:24Z"},{"alias_kind":"arxiv_version","alias_value":"1910.06563v1","created_at":"2026-07-05T00:31:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.06563","created_at":"2026-07-05T00:31:24Z"},{"alias_kind":"pith_short_12","alias_value":"BPPZNPI5TAKQ","created_at":"2026-07-05T00:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"BPPZNPI5TAKQWDGM","created_at":"2026-07-05T00:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"BPPZNPI5","created_at":"2026-07-05T00:31:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:BPPZNPI5TAKQWDGM3SUQ3RNOQM","target":"record","payload":{"canonical_record":{"source":{"id":"1910.06563","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-10-15T07:19:21Z","cross_cats_sorted":[],"title_canon_sha256":"739b805d9d4c5367ddb3d452f40f9ed02c01b2ee1b38fe92775df06c39ef496b","abstract_canon_sha256":"65cf06bc7e8b99a8cf103408784cbacba49fe7f8cdc7ee1ef1562cb83df9bfff"},"schema_version":"1.0"},"canonical_sha256":"0bdf96bd1d98150b0cccdca90dc5ae831c16cdb451284f02dca6b5b700c40864","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:31:24.203589Z","signature_b64":"I+R7hKAIhJvwSvBO5CgcKFfL62xGM3OjV6v8srcYQeQJ2zMAW1g/pl60hpKIPNiqf8uPxgAYsG7VMQgf8egkCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0bdf96bd1d98150b0cccdca90dc5ae831c16cdb451284f02dca6b5b700c40864","last_reissued_at":"2026-07-05T00:31:24.203214Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:31:24.203214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1910.06563","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":"2026-07-05T00:31:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ntuPNvkePpqderu++7KtGYyLlbCD1HB40Q5TpDj/r67vLDwZMag8ovFMu4WuKt9NzwHEe2RPST10VNOR8RlMCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T08:00:31.973664Z"},"content_sha256":"433a11078ae1a1dce336048dfd92f043abe50e5fcc2d42ab7b1608c2782289e2","schema_version":"1.0","event_id":"sha256:433a11078ae1a1dce336048dfd92f043abe50e5fcc2d42ab7b1608c2782289e2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:BPPZNPI5TAKQWDGM3SUQ3RNOQM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic helicity budget of solar active regions prolific of eruptive and confined flares","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"E. Pariat, G. Valori, J. K. Thalmann, K. Dalmasse, K. Moraitis, L. Linan","submitted_at":"2019-10-15T07:19:21Z","abstract_excerpt":"We compare the coronal magnetic energy and helicity of two solar active regions (ARs), prolific in major eruptive (AR~11158) and confined (AR~12192) flaring, and analyze the potential of deduced proxies to forecast upcoming flares. Based on nonlinear force-free (NLFF) coronal magnetic field models with a high degree of solenoidality, and applying three different computational methods to investigate the coronal magnetic helicity, we are able to draw conclusions with a high level of confidence. Based on real observations of two solar ARs we checked trends regarding the potential eruptivity of th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.06563","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1910.06563/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:31:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ji2qY6dLJ0h6zAwPLn6ZCARfFEaegjUfaLiLz2B3Zc8kOB677FHtc0i7ZKA12fNSM38nj9skKZmOoJu6evYyAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T08:00:31.974175Z"},"content_sha256":"27f6256c6e9ed551b3e6fae5be3979c913b3bbf595bca01027ba307b865c43b4","schema_version":"1.0","event_id":"sha256:27f6256c6e9ed551b3e6fae5be3979c913b3bbf595bca01027ba307b865c43b4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BPPZNPI5TAKQWDGM3SUQ3RNOQM/bundle.json","state_url":"https://pith.science/pith/BPPZNPI5TAKQWDGM3SUQ3RNOQM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BPPZNPI5TAKQWDGM3SUQ3RNOQM/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":"2026-08-04T08:00:31Z","links":{"resolver":"https://pith.science/pith/BPPZNPI5TAKQWDGM3SUQ3RNOQM","bundle":"https://pith.science/pith/BPPZNPI5TAKQWDGM3SUQ3RNOQM/bundle.json","state":"https://pith.science/pith/BPPZNPI5TAKQWDGM3SUQ3RNOQM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BPPZNPI5TAKQWDGM3SUQ3RNOQM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:BPPZNPI5TAKQWDGM3SUQ3RNOQM","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":"65cf06bc7e8b99a8cf103408784cbacba49fe7f8cdc7ee1ef1562cb83df9bfff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-10-15T07:19:21Z","title_canon_sha256":"739b805d9d4c5367ddb3d452f40f9ed02c01b2ee1b38fe92775df06c39ef496b"},"schema_version":"1.0","source":{"id":"1910.06563","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.06563","created_at":"2026-07-05T00:31:24Z"},{"alias_kind":"arxiv_version","alias_value":"1910.06563v1","created_at":"2026-07-05T00:31:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.06563","created_at":"2026-07-05T00:31:24Z"},{"alias_kind":"pith_short_12","alias_value":"BPPZNPI5TAKQ","created_at":"2026-07-05T00:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"BPPZNPI5TAKQWDGM","created_at":"2026-07-05T00:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"BPPZNPI5","created_at":"2026-07-05T00:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:27f6256c6e9ed551b3e6fae5be3979c913b3bbf595bca01027ba307b865c43b4","target":"graph","created_at":"2026-07-05T00:31:24Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1910.06563/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We compare the coronal magnetic energy and helicity of two solar active regions (ARs), prolific in major eruptive (AR~11158) and confined (AR~12192) flaring, and analyze the potential of deduced proxies to forecast upcoming flares. Based on nonlinear force-free (NLFF) coronal magnetic field models with a high degree of solenoidality, and applying three different computational methods to investigate the coronal magnetic helicity, we are able to draw conclusions with a high level of confidence. Based on real observations of two solar ARs we checked trends regarding the potential eruptivity of th","authors_text":"E. Pariat, G. Valori, J. K. Thalmann, K. Dalmasse, K. Moraitis, L. Linan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-10-15T07:19:21Z","title":"Magnetic helicity budget of solar active regions prolific of eruptive and confined flares"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.06563","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":"sha256:433a11078ae1a1dce336048dfd92f043abe50e5fcc2d42ab7b1608c2782289e2","target":"record","created_at":"2026-07-05T00:31:24Z","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":"65cf06bc7e8b99a8cf103408784cbacba49fe7f8cdc7ee1ef1562cb83df9bfff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-10-15T07:19:21Z","title_canon_sha256":"739b805d9d4c5367ddb3d452f40f9ed02c01b2ee1b38fe92775df06c39ef496b"},"schema_version":"1.0","source":{"id":"1910.06563","kind":"arxiv","version":1}},"canonical_sha256":"0bdf96bd1d98150b0cccdca90dc5ae831c16cdb451284f02dca6b5b700c40864","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0bdf96bd1d98150b0cccdca90dc5ae831c16cdb451284f02dca6b5b700c40864","first_computed_at":"2026-07-05T00:31:24.203214Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:31:24.203214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I+R7hKAIhJvwSvBO5CgcKFfL62xGM3OjV6v8srcYQeQJ2zMAW1g/pl60hpKIPNiqf8uPxgAYsG7VMQgf8egkCg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:31:24.203589Z","signed_message":"canonical_sha256_bytes"},"source_id":"1910.06563","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:433a11078ae1a1dce336048dfd92f043abe50e5fcc2d42ab7b1608c2782289e2","sha256:27f6256c6e9ed551b3e6fae5be3979c913b3bbf595bca01027ba307b865c43b4"],"state_sha256":"1c031f75f3a7a9e22969055d9697dc6b342abb779792137599966bf10c8843bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RZw0Tg2XS/6DECEjz+32m4FZaiuB4VbFX/V2UZ5iWgR/I2ZmyHMD05kb7bRYwnRz0qF++thQy2aL31KS1yt0Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T08:00:31.977880Z","bundle_sha256":"b59757c0cd05b3feb204ae912410b005670619d3f36d87bc87a6749b64c597c6"}}