{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:YJZBC5DNQPUIKGZPT65PC5PKSB","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":"8c96dacdd377a686d72c110ddfb5084b30b33bb4521a0a9d2423f31dd321cefd","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2013-11-21T16:44:59Z","title_canon_sha256":"6f5f7ead53908b2960361eb6d3240ba552a37e14c7bcc7e2978a861edda0fb22"},"schema_version":"1.0","source":{"id":"1311.5473","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.5473","created_at":"2026-05-18T01:46:07Z"},{"alias_kind":"arxiv_version","alias_value":"1311.5473v1","created_at":"2026-05-18T01:46:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.5473","created_at":"2026-05-18T01:46:07Z"},{"alias_kind":"pith_short_12","alias_value":"YJZBC5DNQPUI","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"YJZBC5DNQPUIKGZP","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"YJZBC5DN","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:7171d37a487c3d536502fc54a3a12fbac18212e5f79d19b4d2a5c222b3c5eb0c","target":"graph","created_at":"2026-05-18T01:46:07Z","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":"In situ observations of the solar wind frequently show the temperature of $\\alpha$-particles (fully ionized helium), $T_\\alpha$, to significantly differ from that of protons (ionized hydrogen), $T_p$. Many heating processes in the plasma act preferentially on $\\alpha$-particles, even as collisions among ions act to gradually establish thermal equilibrium. Measurements from the $\\textit{Wind}$ spacecraft's Faraday cups reveal that, at $r=1.0\\ \\textrm{AU}$ from the Sun, the observed values of the $\\alpha$-proton temperature ratio, $\\theta_{\\alpha p} \\equiv T_\\alpha\\,/\\,T_p$ has a complex, bimoda","authors_text":"Bennett A. Maruca, Justin C. Kasper, Luca Sorriso-Valvo, Michael L. Stevens, Stuart D. Bale","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2013-11-21T16:44:59Z","title":"Collisional Thermalization of Hydrogen and Helium in Solar Wind Plasma"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.5473","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":"sha256:2ca9520cdd8ae17889591899c732ba299d85b91c747c05d06b57017283ca2aae","target":"record","created_at":"2026-05-18T01:46:07Z","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":"8c96dacdd377a686d72c110ddfb5084b30b33bb4521a0a9d2423f31dd321cefd","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2013-11-21T16:44:59Z","title_canon_sha256":"6f5f7ead53908b2960361eb6d3240ba552a37e14c7bcc7e2978a861edda0fb22"},"schema_version":"1.0","source":{"id":"1311.5473","kind":"arxiv","version":1}},"canonical_sha256":"c27211746d83e8851b2f9fbaf175ea904c10cd79ee49557357a50ae525880e59","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c27211746d83e8851b2f9fbaf175ea904c10cd79ee49557357a50ae525880e59","first_computed_at":"2026-05-18T01:46:07.276700Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:07.276700Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D+BEZAotSdvOXIEWtZRGZ20icSUYKmpBuVhgBB1TJzaTy6eU9XvUcbYm+i+Kekzx/jTk0DDWBJ+FPciaFWjbAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:07.277591Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.5473","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2ca9520cdd8ae17889591899c732ba299d85b91c747c05d06b57017283ca2aae","sha256:7171d37a487c3d536502fc54a3a12fbac18212e5f79d19b4d2a5c222b3c5eb0c"],"state_sha256":"b7ba159fa11c457b05ef45626d3d904d5aad42aa3377ec8ddd5026503da1a138"}