{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:VGUHC3OOPS52NKQBXH5WGUJ7EX","short_pith_number":"pith:VGUHC3OO","schema_version":"1.0","canonical_sha256":"a9a8716dce7cbba6aa01b9fb63513f25c3b5554c92aac2f11be2c6af56d42f8d","source":{"kind":"arxiv","id":"0905.4572","version":2},"attestation_state":"computed","paper":{"title":"Normal galaxies in the XMM-Newton fields. X-rays as a star formation indicator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"C. Goudis, D. Woods, E. Rovilos, I. Georgantopoulos, M. Pracy, M. Whiting, P. Tzanavaris","submitted_at":"2009-05-28T08:23:34Z","abstract_excerpt":"Context: We use the first XMM serendipitous source catalogue (1XMM) to compile a sample of normal X-ray galaxies\n  Aims: We seek to expand the database of X-ray selected normal galaxies at intermediate redshifts and examine the relation between X-ray emission and star formation for late-type systems\n  Methods: The candidates are selected based on their X-ray (soft spectra), X-ray to optical [log(fx/fo)<-2] and optical (extended sources) properties. 44 candidates are found and 35 are spectroscopically observed with the Australian National University's 2.3m telescope to examine their nature.\n  R"},"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":"0905.4572","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-05-28T08:23:34Z","cross_cats_sorted":[],"title_canon_sha256":"3a6d823bdd1736d64fc5fa30c56556014d66620d04310bcda388870d155e9d3a","abstract_canon_sha256":"c1da6421e4d25834c85b7eb82fc97e929f9a3bf374c009682ccadad722a9ed34"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:31.305858Z","signature_b64":"QpfYMeYObovkVe8UkMCU6Edk+iHO5M0I4DAjWyJnQ+/N+a+MqCVlw+S1EATxGMFCthr4X79PXaJqn+lmkIbpBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a9a8716dce7cbba6aa01b9fb63513f25c3b5554c92aac2f11be2c6af56d42f8d","last_reissued_at":"2026-05-18T02:13:31.305004Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:31.305004Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Normal galaxies in the XMM-Newton fields. X-rays as a star formation indicator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"C. Goudis, D. Woods, E. Rovilos, I. Georgantopoulos, M. Pracy, M. Whiting, P. Tzanavaris","submitted_at":"2009-05-28T08:23:34Z","abstract_excerpt":"Context: We use the first XMM serendipitous source catalogue (1XMM) to compile a sample of normal X-ray galaxies\n  Aims: We seek to expand the database of X-ray selected normal galaxies at intermediate redshifts and examine the relation between X-ray emission and star formation for late-type systems\n  Methods: The candidates are selected based on their X-ray (soft spectra), X-ray to optical [log(fx/fo)<-2] and optical (extended sources) properties. 44 candidates are found and 35 are spectroscopically observed with the Australian National University's 2.3m telescope to examine their nature.\n  R"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.4572","kind":"arxiv","version":2},"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":"0905.4572","created_at":"2026-05-18T02:13:31.305129+00:00"},{"alias_kind":"arxiv_version","alias_value":"0905.4572v2","created_at":"2026-05-18T02:13:31.305129+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.4572","created_at":"2026-05-18T02:13:31.305129+00:00"},{"alias_kind":"pith_short_12","alias_value":"VGUHC3OOPS52","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_16","alias_value":"VGUHC3OOPS52NKQB","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_8","alias_value":"VGUHC3OO","created_at":"2026-05-18T12:26:02.257875+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/VGUHC3OOPS52NKQBXH5WGUJ7EX","json":"https://pith.science/pith/VGUHC3OOPS52NKQBXH5WGUJ7EX.json","graph_json":"https://pith.science/api/pith-number/VGUHC3OOPS52NKQBXH5WGUJ7EX/graph.json","events_json":"https://pith.science/api/pith-number/VGUHC3OOPS52NKQBXH5WGUJ7EX/events.json","paper":"https://pith.science/paper/VGUHC3OO"},"agent_actions":{"view_html":"https://pith.science/pith/VGUHC3OOPS52NKQBXH5WGUJ7EX","download_json":"https://pith.science/pith/VGUHC3OOPS52NKQBXH5WGUJ7EX.json","view_paper":"https://pith.science/paper/VGUHC3OO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0905.4572&json=true","fetch_graph":"https://pith.science/api/pith-number/VGUHC3OOPS52NKQBXH5WGUJ7EX/graph.json","fetch_events":"https://pith.science/api/pith-number/VGUHC3OOPS52NKQBXH5WGUJ7EX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VGUHC3OOPS52NKQBXH5WGUJ7EX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VGUHC3OOPS52NKQBXH5WGUJ7EX/action/storage_attestation","attest_author":"https://pith.science/pith/VGUHC3OOPS52NKQBXH5WGUJ7EX/action/author_attestation","sign_citation":"https://pith.science/pith/VGUHC3OOPS52NKQBXH5WGUJ7EX/action/citation_signature","submit_replication":"https://pith.science/pith/VGUHC3OOPS52NKQBXH5WGUJ7EX/action/replication_record"}},"created_at":"2026-05-18T02:13:31.305129+00:00","updated_at":"2026-05-18T02:13:31.305129+00:00"}