{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:IHFUJG4COFWOOFEHMEIU6SWIQE","short_pith_number":"pith:IHFUJG4C","schema_version":"1.0","canonical_sha256":"41cb449b82716ce7148761114f4ac8813a7f40ee1d706a9bf9dff21e58fa6b3e","source":{"kind":"arxiv","id":"2305.09525","version":1},"attestation_state":"computed","paper":{"title":"The effect of the ambient solar wind medium on a CME-driven shock and the associated gradual solar energetic particle event","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"physics.space-ph","authors_text":"Alexandr Afanasiev, Angels Aran, Antonio Niemela, Athanasios Kouloumvakos, Beatriz S\\'anchez-Cano, Daniel Heyner, Daniel Pacheco, David Lario, Erika Palmerio, Fernando Carcaboso, Ian G. Richardson, Immanuel C. Jebaraj, Marco Pinto, Nicolas Wijsen, Nina Dresing, Rami Vainio, Stefaan Poedts, Zheyi Ding","submitted_at":"2023-05-16T15:19:23Z","abstract_excerpt":"We present simulation results of a gradual solar energetic particle (SEP) event detected on 2021 October 9 by multiple spacecraft, including BepiColombo (Bepi) and near-Earth spacecraft such as the Advanced Composition Explorer (ACE). A peculiarity of this event is that the presence of a high speed stream (HSS) affected the low-energy ion component ($\\lesssim 5$ MeV) of the gradual SEP event at both Bepi and ACE, despite the HSS having only a modest solar wind speed increase. Using the EUHFORIA (European Heliospheric FORecasting Information Asset) magnetohydrodynamic model, we replicate the so"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2305.09525","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.space-ph","submitted_at":"2023-05-16T15:19:23Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"c11f70314653ccbdf0cbffe49a2a4dee5e6dcdb341a212ebe28554537087aadb","abstract_canon_sha256":"66905bccb0eb057cc996d10859b18fcd64d2772acb8b3fca5dc79bd17e69baaa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:27:23.971288Z","signature_b64":"9X52pQHBYQjFZ19DFcKI9yWWEkudl/SsfAaoCqM/ejWZT1jNngmauKx5/QpWJ6RGtZ8Sd8jKKLJfeOG4Mvl0Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"41cb449b82716ce7148761114f4ac8813a7f40ee1d706a9bf9dff21e58fa6b3e","last_reissued_at":"2026-07-05T06:27:23.970867Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:27:23.970867Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The effect of the ambient solar wind medium on a CME-driven shock and the associated gradual solar energetic particle event","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"physics.space-ph","authors_text":"Alexandr Afanasiev, Angels Aran, Antonio Niemela, Athanasios Kouloumvakos, Beatriz S\\'anchez-Cano, Daniel Heyner, Daniel Pacheco, David Lario, Erika Palmerio, Fernando Carcaboso, Ian G. Richardson, Immanuel C. Jebaraj, Marco Pinto, Nicolas Wijsen, Nina Dresing, Rami Vainio, Stefaan Poedts, Zheyi Ding","submitted_at":"2023-05-16T15:19:23Z","abstract_excerpt":"We present simulation results of a gradual solar energetic particle (SEP) event detected on 2021 October 9 by multiple spacecraft, including BepiColombo (Bepi) and near-Earth spacecraft such as the Advanced Composition Explorer (ACE). A peculiarity of this event is that the presence of a high speed stream (HSS) affected the low-energy ion component ($\\lesssim 5$ MeV) of the gradual SEP event at both Bepi and ACE, despite the HSS having only a modest solar wind speed increase. Using the EUHFORIA (European Heliospheric FORecasting Information Asset) magnetohydrodynamic model, we replicate the so"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.09525","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/2305.09525/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2305.09525","created_at":"2026-07-05T06:27:23.970927+00:00"},{"alias_kind":"arxiv_version","alias_value":"2305.09525v1","created_at":"2026-07-05T06:27:23.970927+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.09525","created_at":"2026-07-05T06:27:23.970927+00:00"},{"alias_kind":"pith_short_12","alias_value":"IHFUJG4COFWO","created_at":"2026-07-05T06:27:23.970927+00:00"},{"alias_kind":"pith_short_16","alias_value":"IHFUJG4COFWOOFEH","created_at":"2026-07-05T06:27:23.970927+00:00"},{"alias_kind":"pith_short_8","alias_value":"IHFUJG4C","created_at":"2026-07-05T06:27:23.970927+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IHFUJG4COFWOOFEHMEIU6SWIQE","json":"https://pith.science/pith/IHFUJG4COFWOOFEHMEIU6SWIQE.json","graph_json":"https://pith.science/api/pith-number/IHFUJG4COFWOOFEHMEIU6SWIQE/graph.json","events_json":"https://pith.science/api/pith-number/IHFUJG4COFWOOFEHMEIU6SWIQE/events.json","paper":"https://pith.science/paper/IHFUJG4C"},"agent_actions":{"view_html":"https://pith.science/pith/IHFUJG4COFWOOFEHMEIU6SWIQE","download_json":"https://pith.science/pith/IHFUJG4COFWOOFEHMEIU6SWIQE.json","view_paper":"https://pith.science/paper/IHFUJG4C","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2305.09525&json=true","fetch_graph":"https://pith.science/api/pith-number/IHFUJG4COFWOOFEHMEIU6SWIQE/graph.json","fetch_events":"https://pith.science/api/pith-number/IHFUJG4COFWOOFEHMEIU6SWIQE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IHFUJG4COFWOOFEHMEIU6SWIQE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IHFUJG4COFWOOFEHMEIU6SWIQE/action/storage_attestation","attest_author":"https://pith.science/pith/IHFUJG4COFWOOFEHMEIU6SWIQE/action/author_attestation","sign_citation":"https://pith.science/pith/IHFUJG4COFWOOFEHMEIU6SWIQE/action/citation_signature","submit_replication":"https://pith.science/pith/IHFUJG4COFWOOFEHMEIU6SWIQE/action/replication_record"}},"created_at":"2026-07-05T06:27:23.970927+00:00","updated_at":"2026-07-05T06:27:23.970927+00:00"}