{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:HDA6NWLF66HPUSQ3OVHGMEZPRN","short_pith_number":"pith:HDA6NWLF","canonical_record":{"source":{"id":"1712.05847","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-12-15T21:34:41Z","cross_cats_sorted":[],"title_canon_sha256":"62532658a8e5f5873b7493f5232602172cfecc1304af7a294a2c2cd6372a5d0a","abstract_canon_sha256":"1b62e217fe60f6dd8333c0af20d70ac1463e6fa63959115091286277c63b3a22"},"schema_version":"1.0"},"canonical_sha256":"38c1e6d965f78efa4a1b754e66132f8b40e634296373859bd038590a67128ae1","source":{"kind":"arxiv","id":"1712.05847","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.05847","created_at":"2026-05-18T00:27:51Z"},{"alias_kind":"arxiv_version","alias_value":"1712.05847v1","created_at":"2026-05-18T00:27:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.05847","created_at":"2026-05-18T00:27:51Z"},{"alias_kind":"pith_short_12","alias_value":"HDA6NWLF66HP","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"HDA6NWLF66HPUSQ3","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"HDA6NWLF","created_at":"2026-05-18T12:31:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:HDA6NWLF66HPUSQ3OVHGMEZPRN","target":"record","payload":{"canonical_record":{"source":{"id":"1712.05847","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-12-15T21:34:41Z","cross_cats_sorted":[],"title_canon_sha256":"62532658a8e5f5873b7493f5232602172cfecc1304af7a294a2c2cd6372a5d0a","abstract_canon_sha256":"1b62e217fe60f6dd8333c0af20d70ac1463e6fa63959115091286277c63b3a22"},"schema_version":"1.0"},"canonical_sha256":"38c1e6d965f78efa4a1b754e66132f8b40e634296373859bd038590a67128ae1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:51.748260Z","signature_b64":"5GZ6x32LATau/Wv5XdipuV5ETjUfLpdyb/q8taat1hKcdelkg4acKAQiTqHyWjYlCutlIgUc38ItuiAeYDWbBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38c1e6d965f78efa4a1b754e66132f8b40e634296373859bd038590a67128ae1","last_reissued_at":"2026-05-18T00:27:51.747784Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:51.747784Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.05847","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":"2026-05-18T00:27:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TO4wJD5q3QrAJGJxJEdkyu+50gxB7OYdKaFHgI7QSe4XqC/OYXCfisnnir04EfQOGnTmQFu/dUsC7Y9rC1HyDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T21:23:34.614041Z"},"content_sha256":"6f2fec9a201aa1e12eb364d30b435b740e6d8b2846f8f4c4f84f967a6e312c8b","schema_version":"1.0","event_id":"sha256:6f2fec9a201aa1e12eb364d30b435b740e6d8b2846f8f4c4f84f967a6e312c8b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:HDA6NWLF66HPUSQ3OVHGMEZPRN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Halo Coronal Mass Ejections during Solar Cycle 24: reconstruction of the global scenario and geoeffectiveness","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Camilla Scolini, Luciano Rodriguez, Mauro Messerotti, Stefaan Poedts","submitted_at":"2017-12-15T21:34:41Z","abstract_excerpt":"In this study we present a statistical analysis of 53 fast Earth-directed halo CMEs observed by the SOHO/LASCO instrument during the period Jan. 2009-Sep. 2015, and we use this CME sample to test the capabilities of a Sun-to-Earth prediction scheme for CME geoeffectiveness. First, we investigate the CME association with other solar activity features by means of multi-instrument observations of the solar magnetic and plasma properties. Second, using coronagraphic images to derive the CME kinematical properties at 0.1 AU, we propagate the events to 1 AU by means of the WSA-ENLIL+Cone model. Simu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.05847","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":"2026-05-18T00:27:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6KyMHZ6hU3pEydVChnKQ9rw1jtYhWyw1MBpoitXh7/pQeZ50dNZiRw42gylTcxFM45rOktAVH66u0S7LtHWCDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T21:23:34.614619Z"},"content_sha256":"2e19117d6652933f12893eb8aebf8e2418b9af6dfc4721b0d2c65138a2ae8c8e","schema_version":"1.0","event_id":"sha256:2e19117d6652933f12893eb8aebf8e2418b9af6dfc4721b0d2c65138a2ae8c8e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HDA6NWLF66HPUSQ3OVHGMEZPRN/bundle.json","state_url":"https://pith.science/pith/HDA6NWLF66HPUSQ3OVHGMEZPRN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HDA6NWLF66HPUSQ3OVHGMEZPRN/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":"2026-06-06T21:23:34Z","links":{"resolver":"https://pith.science/pith/HDA6NWLF66HPUSQ3OVHGMEZPRN","bundle":"https://pith.science/pith/HDA6NWLF66HPUSQ3OVHGMEZPRN/bundle.json","state":"https://pith.science/pith/HDA6NWLF66HPUSQ3OVHGMEZPRN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HDA6NWLF66HPUSQ3OVHGMEZPRN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:HDA6NWLF66HPUSQ3OVHGMEZPRN","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":"1b62e217fe60f6dd8333c0af20d70ac1463e6fa63959115091286277c63b3a22","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-12-15T21:34:41Z","title_canon_sha256":"62532658a8e5f5873b7493f5232602172cfecc1304af7a294a2c2cd6372a5d0a"},"schema_version":"1.0","source":{"id":"1712.05847","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.05847","created_at":"2026-05-18T00:27:51Z"},{"alias_kind":"arxiv_version","alias_value":"1712.05847v1","created_at":"2026-05-18T00:27:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.05847","created_at":"2026-05-18T00:27:51Z"},{"alias_kind":"pith_short_12","alias_value":"HDA6NWLF66HP","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"HDA6NWLF66HPUSQ3","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"HDA6NWLF","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:2e19117d6652933f12893eb8aebf8e2418b9af6dfc4721b0d2c65138a2ae8c8e","target":"graph","created_at":"2026-05-18T00:27:51Z","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":"In this study we present a statistical analysis of 53 fast Earth-directed halo CMEs observed by the SOHO/LASCO instrument during the period Jan. 2009-Sep. 2015, and we use this CME sample to test the capabilities of a Sun-to-Earth prediction scheme for CME geoeffectiveness. First, we investigate the CME association with other solar activity features by means of multi-instrument observations of the solar magnetic and plasma properties. Second, using coronagraphic images to derive the CME kinematical properties at 0.1 AU, we propagate the events to 1 AU by means of the WSA-ENLIL+Cone model. Simu","authors_text":"Camilla Scolini, Luciano Rodriguez, Mauro Messerotti, Stefaan Poedts","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-12-15T21:34:41Z","title":"Halo Coronal Mass Ejections during Solar Cycle 24: reconstruction of the global scenario and geoeffectiveness"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.05847","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":"sha256:6f2fec9a201aa1e12eb364d30b435b740e6d8b2846f8f4c4f84f967a6e312c8b","target":"record","created_at":"2026-05-18T00:27:51Z","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":"1b62e217fe60f6dd8333c0af20d70ac1463e6fa63959115091286277c63b3a22","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-12-15T21:34:41Z","title_canon_sha256":"62532658a8e5f5873b7493f5232602172cfecc1304af7a294a2c2cd6372a5d0a"},"schema_version":"1.0","source":{"id":"1712.05847","kind":"arxiv","version":1}},"canonical_sha256":"38c1e6d965f78efa4a1b754e66132f8b40e634296373859bd038590a67128ae1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"38c1e6d965f78efa4a1b754e66132f8b40e634296373859bd038590a67128ae1","first_computed_at":"2026-05-18T00:27:51.747784Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:51.747784Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5GZ6x32LATau/Wv5XdipuV5ETjUfLpdyb/q8taat1hKcdelkg4acKAQiTqHyWjYlCutlIgUc38ItuiAeYDWbBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:51.748260Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.05847","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f2fec9a201aa1e12eb364d30b435b740e6d8b2846f8f4c4f84f967a6e312c8b","sha256:2e19117d6652933f12893eb8aebf8e2418b9af6dfc4721b0d2c65138a2ae8c8e"],"state_sha256":"a97b7a4b42f5585cc8e68995a7a3b75097368911b414f475dacdc8e04696d121"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ipl/ajvCGOAC2I2EB0onbGfEzufteiokzspzz0flDHB7KoZcJmQoGHg24YDG62gdcRXHz00ZO+dkbwwbH7ZcBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T21:23:34.617725Z","bundle_sha256":"209e72a05f3ad0408fc0b936f8e3e2f59d325e01b0137bd2aa928d43fa739c14"}}