{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:2SZDU7YABTTS2QWVQN36VQQ5ZM","short_pith_number":"pith:2SZDU7YA","canonical_record":{"source":{"id":"2405.04637","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-05-07T19:48:45Z","cross_cats_sorted":["physics.space-ph"],"title_canon_sha256":"4c39850bf7983ba7ffe3c94ac4d05ec42a184d261fa2ef851915195d9c4e3545","abstract_canon_sha256":"2292c723f20f23c7124d386de4b378d7a81178c85ffc55cf6c3480e156d4617a"},"schema_version":"1.0"},"canonical_sha256":"d4b23a7f000ce72d42d58377eac21dcb04fb410dcefcd0bd13db52b5b0546fca","source":{"kind":"arxiv","id":"2405.04637","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.04637","created_at":"2026-07-05T09:08:12Z"},{"alias_kind":"arxiv_version","alias_value":"2405.04637v1","created_at":"2026-07-05T09:08:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.04637","created_at":"2026-07-05T09:08:12Z"},{"alias_kind":"pith_short_12","alias_value":"2SZDU7YABTTS","created_at":"2026-07-05T09:08:12Z"},{"alias_kind":"pith_short_16","alias_value":"2SZDU7YABTTS2QWV","created_at":"2026-07-05T09:08:12Z"},{"alias_kind":"pith_short_8","alias_value":"2SZDU7YA","created_at":"2026-07-05T09:08:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:2SZDU7YABTTS2QWVQN36VQQ5ZM","target":"record","payload":{"canonical_record":{"source":{"id":"2405.04637","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-05-07T19:48:45Z","cross_cats_sorted":["physics.space-ph"],"title_canon_sha256":"4c39850bf7983ba7ffe3c94ac4d05ec42a184d261fa2ef851915195d9c4e3545","abstract_canon_sha256":"2292c723f20f23c7124d386de4b378d7a81178c85ffc55cf6c3480e156d4617a"},"schema_version":"1.0"},"canonical_sha256":"d4b23a7f000ce72d42d58377eac21dcb04fb410dcefcd0bd13db52b5b0546fca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:08:12.760293Z","signature_b64":"WlD1NWUAp4wKJ7PdlaWNn5jfleRQ1RmLgLsjjn7Sh9oZGI2dcZCWpeVWnIaURhnR0Al759LY+eEl4B6pnyOTCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d4b23a7f000ce72d42d58377eac21dcb04fb410dcefcd0bd13db52b5b0546fca","last_reissued_at":"2026-07-05T09:08:12.759858Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:08:12.759858Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.04637","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":"2026-07-05T09:08:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wcC5Kd/0I2X0iY04eFyeCQ9+8d1q2XJaVL1MG280sNlHT6HTz5RF11I1mXmuAF91T8dkCIoHH/qa7HuI0CVoDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T07:54:26.403328Z"},"content_sha256":"25ca4ab3b974d478803dcb81c3371a3b141c93c4de994e5382d882706325309d","schema_version":"1.0","event_id":"sha256:25ca4ab3b974d478803dcb81c3371a3b141c93c4de994e5382d882706325309d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:2SZDU7YABTTS2QWVQN36VQQ5ZM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Validation of EUHFORIA cone and spheromak Coronal Mass Ejection Models","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["physics.space-ph"],"primary_cat":"astro-ph.SR","authors_text":"A.D. Chaduteau, A. Maharana, A. Niemela, C. Scolini, C. Verbeke, D. Shukhobodskaia, E. Asvestari, E. Kilpua, E.Samara, G. Lapenta, J. Magdalenic, J. Pomoell, K. Herbst, L. Rodriguez, M. Mierla, R. Sarkar, R. Vansintjan, S. Poedts","submitted_at":"2024-05-07T19:48:45Z","abstract_excerpt":"Aims. We present the validation results for arrival times and geomagnetic impact of Coronal Mass Ejections (CMEs), using the cone and spheromak CME models implemented in EUropean Heliospheric FORecasting Information Asset (EUHFORIA). Validating numerical models is crucial in ensuring their accuracy and performance with respect to real data.\n  Methods. We compare CME plasma and magnetic field signatures, measured in situ by satellites at the L1 point, with the simulation output of EUHFORIA. The validation of this model was carried out by using two datasets in order to ensure a comprehensive eva"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.04637","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/2405.04637/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":"2026-07-05T09:08:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LTMDZznUgkogO52H8Cpvq3edYE7JqYE7XgGT7H9HgDzZMji6ZXAN1o5KPmFUsglzOcGHsbODTmL6UIs3qeJzAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T07:54:26.403882Z"},"content_sha256":"40809d121d391d94961fd28145895facfbab99c36d8c4111fb4f1ccb6846adb8","schema_version":"1.0","event_id":"sha256:40809d121d391d94961fd28145895facfbab99c36d8c4111fb4f1ccb6846adb8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2SZDU7YABTTS2QWVQN36VQQ5ZM/bundle.json","state_url":"https://pith.science/pith/2SZDU7YABTTS2QWVQN36VQQ5ZM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2SZDU7YABTTS2QWVQN36VQQ5ZM/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":"2026-08-06T07:54:26Z","links":{"resolver":"https://pith.science/pith/2SZDU7YABTTS2QWVQN36VQQ5ZM","bundle":"https://pith.science/pith/2SZDU7YABTTS2QWVQN36VQQ5ZM/bundle.json","state":"https://pith.science/pith/2SZDU7YABTTS2QWVQN36VQQ5ZM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2SZDU7YABTTS2QWVQN36VQQ5ZM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:2SZDU7YABTTS2QWVQN36VQQ5ZM","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":"2292c723f20f23c7124d386de4b378d7a81178c85ffc55cf6c3480e156d4617a","cross_cats_sorted":["physics.space-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-05-07T19:48:45Z","title_canon_sha256":"4c39850bf7983ba7ffe3c94ac4d05ec42a184d261fa2ef851915195d9c4e3545"},"schema_version":"1.0","source":{"id":"2405.04637","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.04637","created_at":"2026-07-05T09:08:12Z"},{"alias_kind":"arxiv_version","alias_value":"2405.04637v1","created_at":"2026-07-05T09:08:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.04637","created_at":"2026-07-05T09:08:12Z"},{"alias_kind":"pith_short_12","alias_value":"2SZDU7YABTTS","created_at":"2026-07-05T09:08:12Z"},{"alias_kind":"pith_short_16","alias_value":"2SZDU7YABTTS2QWV","created_at":"2026-07-05T09:08:12Z"},{"alias_kind":"pith_short_8","alias_value":"2SZDU7YA","created_at":"2026-07-05T09:08:12Z"}],"graph_snapshots":[{"event_id":"sha256:40809d121d391d94961fd28145895facfbab99c36d8c4111fb4f1ccb6846adb8","target":"graph","created_at":"2026-07-05T09:08:12Z","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/2405.04637/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Aims. We present the validation results for arrival times and geomagnetic impact of Coronal Mass Ejections (CMEs), using the cone and spheromak CME models implemented in EUropean Heliospheric FORecasting Information Asset (EUHFORIA). Validating numerical models is crucial in ensuring their accuracy and performance with respect to real data.\n  Methods. We compare CME plasma and magnetic field signatures, measured in situ by satellites at the L1 point, with the simulation output of EUHFORIA. The validation of this model was carried out by using two datasets in order to ensure a comprehensive eva","authors_text":"A.D. Chaduteau, A. Maharana, A. Niemela, C. Scolini, C. Verbeke, D. Shukhobodskaia, E. Asvestari, E. Kilpua, E.Samara, G. Lapenta, J. Magdalenic, J. Pomoell, K. Herbst, L. Rodriguez, M. Mierla, R. Sarkar, R. Vansintjan, S. Poedts","cross_cats":["physics.space-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-05-07T19:48:45Z","title":"Validation of EUHFORIA cone and spheromak Coronal Mass Ejection Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.04637","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":"sha256:25ca4ab3b974d478803dcb81c3371a3b141c93c4de994e5382d882706325309d","target":"record","created_at":"2026-07-05T09:08:12Z","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":"2292c723f20f23c7124d386de4b378d7a81178c85ffc55cf6c3480e156d4617a","cross_cats_sorted":["physics.space-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-05-07T19:48:45Z","title_canon_sha256":"4c39850bf7983ba7ffe3c94ac4d05ec42a184d261fa2ef851915195d9c4e3545"},"schema_version":"1.0","source":{"id":"2405.04637","kind":"arxiv","version":1}},"canonical_sha256":"d4b23a7f000ce72d42d58377eac21dcb04fb410dcefcd0bd13db52b5b0546fca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d4b23a7f000ce72d42d58377eac21dcb04fb410dcefcd0bd13db52b5b0546fca","first_computed_at":"2026-07-05T09:08:12.759858Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:08:12.759858Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WlD1NWUAp4wKJ7PdlaWNn5jfleRQ1RmLgLsjjn7Sh9oZGI2dcZCWpeVWnIaURhnR0Al759LY+eEl4B6pnyOTCw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:08:12.760293Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.04637","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:25ca4ab3b974d478803dcb81c3371a3b141c93c4de994e5382d882706325309d","sha256:40809d121d391d94961fd28145895facfbab99c36d8c4111fb4f1ccb6846adb8"],"state_sha256":"fccc70410e0000e305e243372aeae203798ecaea945b88ff8e74ef2791b172bd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XT8bc1wybeGRs6wmc3VIZvCdNMALkXFua8WdHvOWQK2e31jfwHCy+UD70wTUyztuzWgw6mf2HYilCXva5rThDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T07:54:26.408526Z","bundle_sha256":"5114293f3573c774d693bc23a674e51385e6c56237c63c9f0a7a853e08351e59"}}