{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:LUXC7HMP5FOQBUZI6CRFN2X24F","short_pith_number":"pith:LUXC7HMP","schema_version":"1.0","canonical_sha256":"5d2e2f9d8fe95d00d328f0a256eafae1437fcf2ba85ce2d7fe24f1bb6640d9ee","source":{"kind":"arxiv","id":"1204.4309","version":1},"attestation_state":"computed","paper":{"title":"Effective electron recombination coefficient in ionospheric D-region during the relaxation regime after solar flare from February 18, 2011","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.geo-ph"],"primary_cat":"astro-ph.EP","authors_text":"A. Nina, D. Sulic, V. Cadez, V. Sreckovic, V. Zigman","submitted_at":"2012-04-19T11:07:11Z","abstract_excerpt":"In this paper, we present a model for determination of a weakly time dependent effective recombination coefficient for the perturbed terrestrial ionospheric D-region plasma. We study consequences of a class M1.0 X-ray solar flare, recorded by GOES-15 satellite on February 18, 2011 between 14:00 UT and 14:15 UT, by analyzing the amplitude and phase real time variations of very low frequency (VLF) radio waves emitted by transmitter DHO (located in Germany) at frequency 23.4 kHz and recorded by the AWESOME receiver in Belgrade (Serbia). Our analysis is limited to ionospheric perturbations localiz"},"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":"1204.4309","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-04-19T11:07:11Z","cross_cats_sorted":["physics.geo-ph"],"title_canon_sha256":"73cb5b0696774eebedc23409d540ffa0638ee4032116fea39d672a941bd9a341","abstract_canon_sha256":"22b5107dada277c36bc9add94c709a5c4c1df6e9bb649161c1fd397b313d8db6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:57:27.825191Z","signature_b64":"psq8HPHw6a4BJ5Dh6aK+2Nas7bdkvMLXjRcjbiLaiwhSUhYzPSmi3UB9hQNPnXtjy8mh7DPn6IovOinXarv9Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5d2e2f9d8fe95d00d328f0a256eafae1437fcf2ba85ce2d7fe24f1bb6640d9ee","last_reissued_at":"2026-05-18T03:57:27.824489Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:57:27.824489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Effective electron recombination coefficient in ionospheric D-region during the relaxation regime after solar flare from February 18, 2011","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.geo-ph"],"primary_cat":"astro-ph.EP","authors_text":"A. Nina, D. Sulic, V. Cadez, V. Sreckovic, V. Zigman","submitted_at":"2012-04-19T11:07:11Z","abstract_excerpt":"In this paper, we present a model for determination of a weakly time dependent effective recombination coefficient for the perturbed terrestrial ionospheric D-region plasma. We study consequences of a class M1.0 X-ray solar flare, recorded by GOES-15 satellite on February 18, 2011 between 14:00 UT and 14:15 UT, by analyzing the amplitude and phase real time variations of very low frequency (VLF) radio waves emitted by transmitter DHO (located in Germany) at frequency 23.4 kHz and recorded by the AWESOME receiver in Belgrade (Serbia). Our analysis is limited to ionospheric perturbations localiz"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.4309","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":""},"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":"1204.4309","created_at":"2026-05-18T03:57:27.824607+00:00"},{"alias_kind":"arxiv_version","alias_value":"1204.4309v1","created_at":"2026-05-18T03:57:27.824607+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.4309","created_at":"2026-05-18T03:57:27.824607+00:00"},{"alias_kind":"pith_short_12","alias_value":"LUXC7HMP5FOQ","created_at":"2026-05-18T12:27:14.488303+00:00"},{"alias_kind":"pith_short_16","alias_value":"LUXC7HMP5FOQBUZI","created_at":"2026-05-18T12:27:14.488303+00:00"},{"alias_kind":"pith_short_8","alias_value":"LUXC7HMP","created_at":"2026-05-18T12:27:14.488303+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/LUXC7HMP5FOQBUZI6CRFN2X24F","json":"https://pith.science/pith/LUXC7HMP5FOQBUZI6CRFN2X24F.json","graph_json":"https://pith.science/api/pith-number/LUXC7HMP5FOQBUZI6CRFN2X24F/graph.json","events_json":"https://pith.science/api/pith-number/LUXC7HMP5FOQBUZI6CRFN2X24F/events.json","paper":"https://pith.science/paper/LUXC7HMP"},"agent_actions":{"view_html":"https://pith.science/pith/LUXC7HMP5FOQBUZI6CRFN2X24F","download_json":"https://pith.science/pith/LUXC7HMP5FOQBUZI6CRFN2X24F.json","view_paper":"https://pith.science/paper/LUXC7HMP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1204.4309&json=true","fetch_graph":"https://pith.science/api/pith-number/LUXC7HMP5FOQBUZI6CRFN2X24F/graph.json","fetch_events":"https://pith.science/api/pith-number/LUXC7HMP5FOQBUZI6CRFN2X24F/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LUXC7HMP5FOQBUZI6CRFN2X24F/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LUXC7HMP5FOQBUZI6CRFN2X24F/action/storage_attestation","attest_author":"https://pith.science/pith/LUXC7HMP5FOQBUZI6CRFN2X24F/action/author_attestation","sign_citation":"https://pith.science/pith/LUXC7HMP5FOQBUZI6CRFN2X24F/action/citation_signature","submit_replication":"https://pith.science/pith/LUXC7HMP5FOQBUZI6CRFN2X24F/action/replication_record"}},"created_at":"2026-05-18T03:57:27.824607+00:00","updated_at":"2026-05-18T03:57:27.824607+00:00"}