{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:ATHQNFMJDCGJH6RCLZNQWPGNCA","short_pith_number":"pith:ATHQNFMJ","schema_version":"1.0","canonical_sha256":"04cf069589188c93fa225e5b0b3ccd101093ec902e5bda422214a60e8c1e1ef9","source":{"kind":"arxiv","id":"1204.3356","version":1},"attestation_state":"computed","paper":{"title":"Spectroscopic evidence of charge exchange X-ray emission from galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Jiren Liu, Q. Daniel Wang","submitted_at":"2012-04-16T03:57:45Z","abstract_excerpt":"What are the origins of the soft X-ray line emission from non-AGN galaxies? XMM-Newton RGS spectra of nearby non-AGN galaxies (including starforming ones: M82, NGC 253, M51, M83, M61, NGC 4631, M94, NGC 2903, and the Antennae galaxies, as well as the inner bulge of M31) have been analyzed. In particular, the K{\\alpha} triplet of O VII shows that the resonance line is typically weaker than the forbidden and/or inter-combination lines. This suggests that a substantial fraction of the emission may not arise directly from optically thin thermal plasma, as commonly assumed, and may instead originat"},"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":"1204.3356","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-04-16T03:57:45Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"26d71220267699cd6f4986aeb785a035bae94c4611dcd85d8d87010408bf9607","abstract_canon_sha256":"257e49c63a3176ba5fab5cdd1a41c1cc9043afaf8c57a4574774b8f53786e144"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:52.306652Z","signature_b64":"oE/9dM6EKRi0QPcx3yswEPIcD0boQyZbyD/LxduWZLWKpgQnsd34i18bNl1EPQu56V7FTyOGkfo56sJvFuR5BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"04cf069589188c93fa225e5b0b3ccd101093ec902e5bda422214a60e8c1e1ef9","last_reissued_at":"2026-05-18T01:57:52.305664Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:52.305664Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectroscopic evidence of charge exchange X-ray emission from galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Jiren Liu, Q. Daniel Wang","submitted_at":"2012-04-16T03:57:45Z","abstract_excerpt":"What are the origins of the soft X-ray line emission from non-AGN galaxies? XMM-Newton RGS spectra of nearby non-AGN galaxies (including starforming ones: M82, NGC 253, M51, M83, M61, NGC 4631, M94, NGC 2903, and the Antennae galaxies, as well as the inner bulge of M31) have been analyzed. In particular, the K{\\alpha} triplet of O VII shows that the resonance line is typically weaker than the forbidden and/or inter-combination lines. This suggests that a substantial fraction of the emission may not arise directly from optically thin thermal plasma, as commonly assumed, and may instead originat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.3356","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":"1204.3356","created_at":"2026-05-18T01:57:52.305732+00:00"},{"alias_kind":"arxiv_version","alias_value":"1204.3356v1","created_at":"2026-05-18T01:57:52.305732+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.3356","created_at":"2026-05-18T01:57:52.305732+00:00"},{"alias_kind":"pith_short_12","alias_value":"ATHQNFMJDCGJ","created_at":"2026-05-18T12:26:58.693483+00:00"},{"alias_kind":"pith_short_16","alias_value":"ATHQNFMJDCGJH6RC","created_at":"2026-05-18T12:26:58.693483+00:00"},{"alias_kind":"pith_short_8","alias_value":"ATHQNFMJ","created_at":"2026-05-18T12:26:58.693483+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/ATHQNFMJDCGJH6RCLZNQWPGNCA","json":"https://pith.science/pith/ATHQNFMJDCGJH6RCLZNQWPGNCA.json","graph_json":"https://pith.science/api/pith-number/ATHQNFMJDCGJH6RCLZNQWPGNCA/graph.json","events_json":"https://pith.science/api/pith-number/ATHQNFMJDCGJH6RCLZNQWPGNCA/events.json","paper":"https://pith.science/paper/ATHQNFMJ"},"agent_actions":{"view_html":"https://pith.science/pith/ATHQNFMJDCGJH6RCLZNQWPGNCA","download_json":"https://pith.science/pith/ATHQNFMJDCGJH6RCLZNQWPGNCA.json","view_paper":"https://pith.science/paper/ATHQNFMJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1204.3356&json=true","fetch_graph":"https://pith.science/api/pith-number/ATHQNFMJDCGJH6RCLZNQWPGNCA/graph.json","fetch_events":"https://pith.science/api/pith-number/ATHQNFMJDCGJH6RCLZNQWPGNCA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ATHQNFMJDCGJH6RCLZNQWPGNCA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ATHQNFMJDCGJH6RCLZNQWPGNCA/action/storage_attestation","attest_author":"https://pith.science/pith/ATHQNFMJDCGJH6RCLZNQWPGNCA/action/author_attestation","sign_citation":"https://pith.science/pith/ATHQNFMJDCGJH6RCLZNQWPGNCA/action/citation_signature","submit_replication":"https://pith.science/pith/ATHQNFMJDCGJH6RCLZNQWPGNCA/action/replication_record"}},"created_at":"2026-05-18T01:57:52.305732+00:00","updated_at":"2026-05-18T01:57:52.305732+00:00"}