{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:KGOXNJYSZQ7LFMQUCZXEBU5VP2","short_pith_number":"pith:KGOXNJYS","canonical_record":{"source":{"id":"1204.3813","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-04-17T15:17:09Z","cross_cats_sorted":[],"title_canon_sha256":"ef235cd9e93587b25c09010813cbc5506ea8da6ca44e1db8a107f1d4cb11a8f6","abstract_canon_sha256":"6bacab36bc0deaf75a4839116c91e83a8b9e92c5499b4d96f8dec56c2ae46a94"},"schema_version":"1.0"},"canonical_sha256":"519d76a712cc3eb2b214166e40d3b57ebd66779349e69f382b600242e596c9c3","source":{"kind":"arxiv","id":"1204.3813","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"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:KGOXNJYSZQ7LFMQUCZXEBU5VP2","target":"record","payload":{"canonical_record":{"source":{"id":"1204.3813","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-04-17T15:17:09Z","cross_cats_sorted":[],"title_canon_sha256":"ef235cd9e93587b25c09010813cbc5506ea8da6ca44e1db8a107f1d4cb11a8f6","abstract_canon_sha256":"6bacab36bc0deaf75a4839116c91e83a8b9e92c5499b4d96f8dec56c2ae46a94"},"schema_version":"1.0"},"canonical_sha256":"519d76a712cc3eb2b214166e40d3b57ebd66779349e69f382b600242e596c9c3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:57:39.509820Z","signature_b64":"jwq027YI7t8deZ8D0L9+b+p9StxoC2PzLksZrTRNkL1sSiNPNrHLkdAeoXVXz2AJE+9ng/+j1vIKuDsrYIaYAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"519d76a712cc3eb2b214166e40d3b57ebd66779349e69f382b600242e596c9c3","last_reissued_at":"2026-05-18T03:57:39.509271Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:57:39.509271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.3813","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":"2026-05-18T03:57:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4RuH5rKT33wx1KD26+F6LMjOh38rooujmb1h3aDjTpnTRmiabOLkYPhhEazG49+5/9ntRPvlFVVDiGV6dZQhDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:28:19.946861Z"},"content_sha256":"9ba20d0e9afd3a662b9c39d92911394a84f8fa316c3c20644e316377444a6698","schema_version":"1.0","event_id":"sha256:9ba20d0e9afd3a662b9c39d92911394a84f8fa316c3c20644e316377444a6698"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:KGOXNJYSZQ7LFMQUCZXEBU5VP2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effect of Solar Wind Drag on the Determination of the Properties of Coronal Mass Ejections from Heliospheric Images","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"N. Lugaz, P. Kintner","submitted_at":"2012-04-17T15:17:09Z","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"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.3813","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":"2026-05-18T03:57:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FqOZtJKkZqXjpOwm2l+RQpK38rYCT2x1zqKCXxYYo469IwttmFUZbRvpKjzvkUBt2VyUFYPZ1OEt4+hgv3SPBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:28:19.947532Z"},"content_sha256":"480e8d8309f3cb1edabf898606d2e623a8ba07d260bbe6f9ae818073c028f163","schema_version":"1.0","event_id":"sha256:480e8d8309f3cb1edabf898606d2e623a8ba07d260bbe6f9ae818073c028f163"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KGOXNJYSZQ7LFMQUCZXEBU5VP2/bundle.json","state_url":"https://pith.science/pith/KGOXNJYSZQ7LFMQUCZXEBU5VP2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KGOXNJYSZQ7LFMQUCZXEBU5VP2/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":"2026-06-06T19:28:19Z","links":{"resolver":"https://pith.science/pith/KGOXNJYSZQ7LFMQUCZXEBU5VP2","bundle":"https://pith.science/pith/KGOXNJYSZQ7LFMQUCZXEBU5VP2/bundle.json","state":"https://pith.science/pith/KGOXNJYSZQ7LFMQUCZXEBU5VP2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KGOXNJYSZQ7LFMQUCZXEBU5VP2/bundle.json"},"state":{"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"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/MzyyYzIKqGE+d0R7D6pqcP/CobEN2N6Wjg/Y3O1FORS2Sv4rfTTpnTZ47L+pQcg1vtFWPRKCFJfsbIXhtOKBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T19:28:19.950916Z","bundle_sha256":"1f2a5ba6796d9c0f43e01871890749b99e7ce7e2849d3b50fd7e37f7a515a302"}}