{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:7EYBC5RP3DQDTZ2HUE2CYE6MNR","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":"e36918648195cf8a19eb69a5397f3ac1aa75c96961dfc4ed425e284326f336a6","cross_cats_sorted":["physics.plasm-ph"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-04T15:18:14Z","title_canon_sha256":"8668f80bace70014830cf7adacbf9f9d06cbab7d7b1191829f799003c4221243"},"schema_version":"1.0","source":{"id":"1302.0716","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.0716","created_at":"2026-05-18T01:51:50Z"},{"alias_kind":"arxiv_version","alias_value":"1302.0716v1","created_at":"2026-05-18T01:51:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.0716","created_at":"2026-05-18T01:51:50Z"},{"alias_kind":"pith_short_12","alias_value":"7EYBC5RP3DQD","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7EYBC5RP3DQDTZ2H","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7EYBC5RP","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:bbfe48b31ca78fb914e4b72bef406a2456e6fda3109bc19813f7e3503e10b10e","target":"graph","created_at":"2026-05-18T01:51:50Z","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":"Nonlinear propagation of electrostatic modes in ultrarelativistic dense elelectron-positron gravito-plasma at the polar cap region of pulsar magnetosphere is considered. A nonlinear Schr\\\"{o}dinger equation is obtained from the reductive perturbation method which predicts the existence of Langmuir dark solitons. Relevance of the propagating dark solitons to the pulsar radio emission is discussed.","authors_text":"M. R. Amin, U. A. Mofiz","cross_cats":["physics.plasm-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-04T15:18:14Z","title":"Langmuir dark solitons in dense ultrarelativistic electron-positron gravito-plasma in pulsar magnetosphere"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.0716","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:cee85a096504eaace27c55f4207c60beb3b6b3e6357992642ca17b45bfcbe42f","target":"record","created_at":"2026-05-18T01:51:50Z","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":"e36918648195cf8a19eb69a5397f3ac1aa75c96961dfc4ed425e284326f336a6","cross_cats_sorted":["physics.plasm-ph"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-04T15:18:14Z","title_canon_sha256":"8668f80bace70014830cf7adacbf9f9d06cbab7d7b1191829f799003c4221243"},"schema_version":"1.0","source":{"id":"1302.0716","kind":"arxiv","version":1}},"canonical_sha256":"f93011762fd8e039e747a1342c13cc6c5db64b68b0ec4f6302d34d16e2e0e470","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f93011762fd8e039e747a1342c13cc6c5db64b68b0ec4f6302d34d16e2e0e470","first_computed_at":"2026-05-18T01:51:50.757578Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:50.757578Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QLokt8ph0/Z7MXX2OiwBuHwoWA+lK61qYLc0zJMAPIrYUIoVTTTpYFgaBaw/CEVZ+bZoTI6VlR+LcgdW6zIjCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:50.758144Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.0716","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cee85a096504eaace27c55f4207c60beb3b6b3e6357992642ca17b45bfcbe42f","sha256:bbfe48b31ca78fb914e4b72bef406a2456e6fda3109bc19813f7e3503e10b10e"],"state_sha256":"c481e328d4158022b472ce5cb3da60778cb3c32c5a467240ea2e32a59984771d"}