{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:ENRJTI6KWIZITQX25Q7QISP5LO","short_pith_number":"pith:ENRJTI6K","schema_version":"1.0","canonical_sha256":"236299a3cab23289c2faec3f0449fd5b87be0e715b310b946887b4f52f13296a","source":{"kind":"arxiv","id":"0910.0699","version":1},"attestation_state":"computed","paper":{"title":"The FERRUM project: Transition probabilities for forbidden lines in [FeII] and experimental metastable lifetimes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"E. Backstrom, H. Hartman, H. Nilsson, J. Gurell, L.O. Norlin, P. Royen, R. Blackwell-Whitehead, S. Mannervik","submitted_at":"2009-10-05T09:06:42Z","abstract_excerpt":"Accurate transition probabilities for forbidden lines are important diagnostic parameters for low-density astrophysical plasmas. In this paper we present experimental atomic data for forbidden [FeII] transitions that are observed as strong features in astrophysical spectra.\n  Aims: To measure lifetimes for the 3d^6(^3G)4s a ^4G_{11/2} and 3d^6(^3D)4s b ^4D_{1/2} metastable levels in FeII and experimental transition probabilities for the forbidden transitions 3d^7 a ^4F_{7/2,9/2}- 3d^6(^3G)4s a ^4G_{11/2}.\n  Methods: The lifetimes were measured at the ion storage ring facility CRYRING using a l"},"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":"0910.0699","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-10-05T09:06:42Z","cross_cats_sorted":[],"title_canon_sha256":"c6c9ea76f5028e8bd9e7f1cfe2cbd200de7906b448c353fe8d24e25a7c64c2ec","abstract_canon_sha256":"be8f31285585d7db13c034961fe6e6a1803ff68e69e156bfc7c7cf4ee9b6f8a7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:26.825585Z","signature_b64":"Yl9su9ZayaurvEaFOtdgQRKejeUpQsn1K7bsPpT9YFQlYyOvgsEMDbwd6lpViMZOf/ebor56cLseuyK0Y4zTBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"236299a3cab23289c2faec3f0449fd5b87be0e715b310b946887b4f52f13296a","last_reissued_at":"2026-05-18T02:11:26.824780Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:26.824780Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The FERRUM project: Transition probabilities for forbidden lines in [FeII] and experimental metastable lifetimes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"E. Backstrom, H. Hartman, H. Nilsson, J. Gurell, L.O. Norlin, P. Royen, R. Blackwell-Whitehead, S. Mannervik","submitted_at":"2009-10-05T09:06:42Z","abstract_excerpt":"Accurate transition probabilities for forbidden lines are important diagnostic parameters for low-density astrophysical plasmas. In this paper we present experimental atomic data for forbidden [FeII] transitions that are observed as strong features in astrophysical spectra.\n  Aims: To measure lifetimes for the 3d^6(^3G)4s a ^4G_{11/2} and 3d^6(^3D)4s b ^4D_{1/2} metastable levels in FeII and experimental transition probabilities for the forbidden transitions 3d^7 a ^4F_{7/2,9/2}- 3d^6(^3G)4s a ^4G_{11/2}.\n  Methods: The lifetimes were measured at the ion storage ring facility CRYRING using a l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.0699","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":"0910.0699","created_at":"2026-05-18T02:11:26.824914+00:00"},{"alias_kind":"arxiv_version","alias_value":"0910.0699v1","created_at":"2026-05-18T02:11:26.824914+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.0699","created_at":"2026-05-18T02:11:26.824914+00:00"},{"alias_kind":"pith_short_12","alias_value":"ENRJTI6KWIZI","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_16","alias_value":"ENRJTI6KWIZITQX2","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_8","alias_value":"ENRJTI6K","created_at":"2026-05-18T12:25:59.703012+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/ENRJTI6KWIZITQX25Q7QISP5LO","json":"https://pith.science/pith/ENRJTI6KWIZITQX25Q7QISP5LO.json","graph_json":"https://pith.science/api/pith-number/ENRJTI6KWIZITQX25Q7QISP5LO/graph.json","events_json":"https://pith.science/api/pith-number/ENRJTI6KWIZITQX25Q7QISP5LO/events.json","paper":"https://pith.science/paper/ENRJTI6K"},"agent_actions":{"view_html":"https://pith.science/pith/ENRJTI6KWIZITQX25Q7QISP5LO","download_json":"https://pith.science/pith/ENRJTI6KWIZITQX25Q7QISP5LO.json","view_paper":"https://pith.science/paper/ENRJTI6K","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0910.0699&json=true","fetch_graph":"https://pith.science/api/pith-number/ENRJTI6KWIZITQX25Q7QISP5LO/graph.json","fetch_events":"https://pith.science/api/pith-number/ENRJTI6KWIZITQX25Q7QISP5LO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ENRJTI6KWIZITQX25Q7QISP5LO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ENRJTI6KWIZITQX25Q7QISP5LO/action/storage_attestation","attest_author":"https://pith.science/pith/ENRJTI6KWIZITQX25Q7QISP5LO/action/author_attestation","sign_citation":"https://pith.science/pith/ENRJTI6KWIZITQX25Q7QISP5LO/action/citation_signature","submit_replication":"https://pith.science/pith/ENRJTI6KWIZITQX25Q7QISP5LO/action/replication_record"}},"created_at":"2026-05-18T02:11:26.824914+00:00","updated_at":"2026-05-18T02:11:26.824914+00:00"}