{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:KGOXNJYSZQ7LFMQUCZXEBU5VP2","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":"6bacab36bc0deaf75a4839116c91e83a8b9e92c5499b4d96f8dec56c2ae46a94","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-04-17T15:17:09Z","title_canon_sha256":"ef235cd9e93587b25c09010813cbc5506ea8da6ca44e1db8a107f1d4cb11a8f6"},"schema_version":"1.0","source":{"id":"1204.3813","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.3813","created_at":"2026-05-18T03:57:39Z"},{"alias_kind":"arxiv_version","alias_value":"1204.3813v1","created_at":"2026-05-18T03:57:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.3813","created_at":"2026-05-18T03:57:39Z"},{"alias_kind":"pith_short_12","alias_value":"KGOXNJYSZQ7L","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"KGOXNJYSZQ7LFMQU","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"KGOXNJYS","created_at":"2026-05-18T12:27:11Z"}],"graph_snapshots":[{"event_id":"sha256:480e8d8309f3cb1edabf898606d2e623a8ba07d260bbe6f9ae818073c028f163","target":"graph","created_at":"2026-05-18T03:57:39Z","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 Fixed-\\Phi (F\\Phi) and Harmonic Mean (HM) fitting methods are two methods to determine the average direction and velocity of coronal mass ejections (CMEs) from time-elongation tracks produced by Heliospheric Imagers (HIs), such as the HIs onboard the STEREO spacecraft. Both methods assume a constant velocity in their descriptions of the time-elongation profiles of CMEs, which are used to fit the observed time-elongation data. Here, we analyze the effect of aerodynamic drag on CMEs propagating through interplanetary space, and how this drag affects the result of the F\\Phi and HM fitting met","authors_text":"N. Lugaz, P. Kintner","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-04-17T15:17:09Z","title":"Effect of Solar Wind Drag on the Determination of the Properties of Coronal Mass Ejections from Heliospheric Images"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.3813","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":"sha256:9ba20d0e9afd3a662b9c39d92911394a84f8fa316c3c20644e316377444a6698","target":"record","created_at":"2026-05-18T03:57:39Z","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":"6bacab36bc0deaf75a4839116c91e83a8b9e92c5499b4d96f8dec56c2ae46a94","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-04-17T15:17:09Z","title_canon_sha256":"ef235cd9e93587b25c09010813cbc5506ea8da6ca44e1db8a107f1d4cb11a8f6"},"schema_version":"1.0","source":{"id":"1204.3813","kind":"arxiv","version":1}},"canonical_sha256":"519d76a712cc3eb2b214166e40d3b57ebd66779349e69f382b600242e596c9c3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"519d76a712cc3eb2b214166e40d3b57ebd66779349e69f382b600242e596c9c3","first_computed_at":"2026-05-18T03:57:39.509271Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:57:39.509271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jwq027YI7t8deZ8D0L9+b+p9StxoC2PzLksZrTRNkL1sSiNPNrHLkdAeoXVXz2AJE+9ng/+j1vIKuDsrYIaYAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:57:39.509820Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.3813","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ba20d0e9afd3a662b9c39d92911394a84f8fa316c3c20644e316377444a6698","sha256:480e8d8309f3cb1edabf898606d2e623a8ba07d260bbe6f9ae818073c028f163"],"state_sha256":"d806d58ef7f5ccb0ab236f2c20ab66f9c0aff87e17b1482ebdc71cf8cee0e114"}