{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:2TN6GLNHOXG223HK3QLCJ2WIPJ","short_pith_number":"pith:2TN6GLNH","schema_version":"1.0","canonical_sha256":"d4dbe32da775cdad6ceadc1624eac87a56ce07b75d4a2f4c9881fd0759b6ab5b","source":{"kind":"arxiv","id":"2004.04530","version":1},"attestation_state":"computed","paper":{"title":"On the ratios of \\ion{Si}{4} lines ($\\lambda$1394/$\\lambda$1403) in an emerging flux region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Durgesh Tripathi, Hiroaki Isobe, J.G. Doyle, V. N. Nived","submitted_at":"2020-04-08T07:13:48Z","abstract_excerpt":"The resonance lines of \\ion{Si}{4} formed at $\\lambda$1394 and 1403 {\\AA} are the most critical for the diagnostics of the solar transition region in the observations of the Interface Region Imaging Spectrograph (IRIS). Studying the intensity ratios of these lines (1394{\\AA}/1403{\\AA}), which under optically thin condition is predicted to be two, helps us to diagnose the optical thickness of the plasma being observed. Here we study the evolution of the distribution of intensity ratios in 31 IRIS rasters recorded for four days during the emergence of an active region. We found that during the e"},"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":"2004.04530","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-04-08T07:13:48Z","cross_cats_sorted":[],"title_canon_sha256":"48d452f08056b8d8b5f17913bc45cdec8f173c47a7895b3674c67acb8a8fe779","abstract_canon_sha256":"5d07c1021fd27b9c52e4b95f3df102a502e183b6299b882b49222024880d1958"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:04:22.081626Z","signature_b64":"fHPeNIQgkCeUwE5XZnblk6hsi+t1ZD8AHaQU0tXfdThc+UywDTEy79trQjklJ9gmpcJMhtOQ67BhwT6EUyYnCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d4dbe32da775cdad6ceadc1624eac87a56ce07b75d4a2f4c9881fd0759b6ab5b","last_reissued_at":"2026-07-05T01:04:22.081158Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:04:22.081158Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the ratios of \\ion{Si}{4} lines ($\\lambda$1394/$\\lambda$1403) in an emerging flux region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Durgesh Tripathi, Hiroaki Isobe, J.G. Doyle, V. N. Nived","submitted_at":"2020-04-08T07:13:48Z","abstract_excerpt":"The resonance lines of \\ion{Si}{4} formed at $\\lambda$1394 and 1403 {\\AA} are the most critical for the diagnostics of the solar transition region in the observations of the Interface Region Imaging Spectrograph (IRIS). Studying the intensity ratios of these lines (1394{\\AA}/1403{\\AA}), which under optically thin condition is predicted to be two, helps us to diagnose the optical thickness of the plasma being observed. Here we study the evolution of the distribution of intensity ratios in 31 IRIS rasters recorded for four days during the emergence of an active region. We found that during the e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.04530","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/2004.04530/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":"2004.04530","created_at":"2026-07-05T01:04:22.081219+00:00"},{"alias_kind":"arxiv_version","alias_value":"2004.04530v1","created_at":"2026-07-05T01:04:22.081219+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.04530","created_at":"2026-07-05T01:04:22.081219+00:00"},{"alias_kind":"pith_short_12","alias_value":"2TN6GLNHOXG2","created_at":"2026-07-05T01:04:22.081219+00:00"},{"alias_kind":"pith_short_16","alias_value":"2TN6GLNHOXG223HK","created_at":"2026-07-05T01:04:22.081219+00:00"},{"alias_kind":"pith_short_8","alias_value":"2TN6GLNH","created_at":"2026-07-05T01:04:22.081219+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/2TN6GLNHOXG223HK3QLCJ2WIPJ","json":"https://pith.science/pith/2TN6GLNHOXG223HK3QLCJ2WIPJ.json","graph_json":"https://pith.science/api/pith-number/2TN6GLNHOXG223HK3QLCJ2WIPJ/graph.json","events_json":"https://pith.science/api/pith-number/2TN6GLNHOXG223HK3QLCJ2WIPJ/events.json","paper":"https://pith.science/paper/2TN6GLNH"},"agent_actions":{"view_html":"https://pith.science/pith/2TN6GLNHOXG223HK3QLCJ2WIPJ","download_json":"https://pith.science/pith/2TN6GLNHOXG223HK3QLCJ2WIPJ.json","view_paper":"https://pith.science/paper/2TN6GLNH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2004.04530&json=true","fetch_graph":"https://pith.science/api/pith-number/2TN6GLNHOXG223HK3QLCJ2WIPJ/graph.json","fetch_events":"https://pith.science/api/pith-number/2TN6GLNHOXG223HK3QLCJ2WIPJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2TN6GLNHOXG223HK3QLCJ2WIPJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2TN6GLNHOXG223HK3QLCJ2WIPJ/action/storage_attestation","attest_author":"https://pith.science/pith/2TN6GLNHOXG223HK3QLCJ2WIPJ/action/author_attestation","sign_citation":"https://pith.science/pith/2TN6GLNHOXG223HK3QLCJ2WIPJ/action/citation_signature","submit_replication":"https://pith.science/pith/2TN6GLNHOXG223HK3QLCJ2WIPJ/action/replication_record"}},"created_at":"2026-07-05T01:04:22.081219+00:00","updated_at":"2026-07-05T01:04:22.081219+00:00"}