{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:2HGSEMQ72INO2VFU6ART7GVESY","short_pith_number":"pith:2HGSEMQ7","schema_version":"1.0","canonical_sha256":"d1cd22321fd21aed54b4f0233f9aa4962d43ab304339b1e212a7bb33faccfda5","source":{"kind":"arxiv","id":"1812.06881","version":2},"attestation_state":"computed","paper":{"title":"Alpha particle thermodynamics in the inner heliosphere fast solar wind","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"physics.space-ph","authors_text":"C. S. Salem, D. Perrone, D. Stansby, L. Matteini, T. S. Horbury","submitted_at":"2018-12-17T16:39:10Z","abstract_excerpt":"Plasma processes occurring in the corona and solar wind can be probed by studying the thermodynamic properties of different ion species. However, most in-situ observations of positive ions in the solar wind are taken at 1 AU, where information on their solar source properties may have been irreversibly erased. In this study we aimed to use the properties of alpha particles at heliocentric distances between 0.3 and 1 AU to study plasma processes occurring at the points of observation, and to infer processes occurring inside 0.3 AU by comparing our results to previous remote sensing observations"},"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":"1812.06881","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2018-12-17T16:39:10Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"66c0bcfc1c6904a08c41d858bf2e781b3332b97b9385626313a5289d9e25cb02","abstract_canon_sha256":"f48d6bddc087e61bb232133ebde51ce5f182c735a5c60de81dc2979017eda422"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:03.637930Z","signature_b64":"9k0kjX/frYstwwskoBAl8pWweYz0NtHzhr5vMrzdq6QDJ/22mFWxSda/vanWc3fU3KNxZ3+Ac4TtLrxznAsODw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d1cd22321fd21aed54b4f0233f9aa4962d43ab304339b1e212a7bb33faccfda5","last_reissued_at":"2026-05-17T23:52:03.637196Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:03.637196Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Alpha particle thermodynamics in the inner heliosphere fast solar wind","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"physics.space-ph","authors_text":"C. S. Salem, D. Perrone, D. Stansby, L. Matteini, T. S. Horbury","submitted_at":"2018-12-17T16:39:10Z","abstract_excerpt":"Plasma processes occurring in the corona and solar wind can be probed by studying the thermodynamic properties of different ion species. However, most in-situ observations of positive ions in the solar wind are taken at 1 AU, where information on their solar source properties may have been irreversibly erased. In this study we aimed to use the properties of alpha particles at heliocentric distances between 0.3 and 1 AU to study plasma processes occurring at the points of observation, and to infer processes occurring inside 0.3 AU by comparing our results to previous remote sensing observations"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.06881","kind":"arxiv","version":2},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1812.06881","created_at":"2026-05-17T23:52:03.637331+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.06881v2","created_at":"2026-05-17T23:52:03.637331+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.06881","created_at":"2026-05-17T23:52:03.637331+00:00"},{"alias_kind":"pith_short_12","alias_value":"2HGSEMQ72INO","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_16","alias_value":"2HGSEMQ72INO2VFU","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_8","alias_value":"2HGSEMQ7","created_at":"2026-05-18T12:32:02.567920+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/2HGSEMQ72INO2VFU6ART7GVESY","json":"https://pith.science/pith/2HGSEMQ72INO2VFU6ART7GVESY.json","graph_json":"https://pith.science/api/pith-number/2HGSEMQ72INO2VFU6ART7GVESY/graph.json","events_json":"https://pith.science/api/pith-number/2HGSEMQ72INO2VFU6ART7GVESY/events.json","paper":"https://pith.science/paper/2HGSEMQ7"},"agent_actions":{"view_html":"https://pith.science/pith/2HGSEMQ72INO2VFU6ART7GVESY","download_json":"https://pith.science/pith/2HGSEMQ72INO2VFU6ART7GVESY.json","view_paper":"https://pith.science/paper/2HGSEMQ7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.06881&json=true","fetch_graph":"https://pith.science/api/pith-number/2HGSEMQ72INO2VFU6ART7GVESY/graph.json","fetch_events":"https://pith.science/api/pith-number/2HGSEMQ72INO2VFU6ART7GVESY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2HGSEMQ72INO2VFU6ART7GVESY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2HGSEMQ72INO2VFU6ART7GVESY/action/storage_attestation","attest_author":"https://pith.science/pith/2HGSEMQ72INO2VFU6ART7GVESY/action/author_attestation","sign_citation":"https://pith.science/pith/2HGSEMQ72INO2VFU6ART7GVESY/action/citation_signature","submit_replication":"https://pith.science/pith/2HGSEMQ72INO2VFU6ART7GVESY/action/replication_record"}},"created_at":"2026-05-17T23:52:03.637331+00:00","updated_at":"2026-05-17T23:52:03.637331+00:00"}