{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:SU4WVW7GN5QC5WEFA6U7ZE2UM6","short_pith_number":"pith:SU4WVW7G","schema_version":"1.0","canonical_sha256":"95396adbe66f602ed88507a9fc935467ba6e045227f196c7b5e7c75bd579f81c","source":{"kind":"arxiv","id":"0910.4904","version":1},"attestation_state":"computed","paper":{"title":"Balancing the Cosmic Energy Budget: The Cosmic X-ray Background, Blazars and the Compton Thick AGN Fraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A.R. Draper, D.R. Ballantyne","submitted_at":"2009-10-26T15:13:39Z","abstract_excerpt":"At energies ~>2 keV, active galactic nuclei (AGN) are the source of the cosmic X-ray background (CXB). For AGN population synthesis models to replicate the peak region of the CXB (~30 keV), a highly obscured and therefore nearly invisible class of AGN, known as Compton thick (CT) AGN, must be assumed to contribute nearly a third of the CXB. In order to constrain the CT fraction of AGN and the CT number density we consider several hard X-ray AGN luminosity functions and the contribution of blazars to the CXB. Following the unified scheme, the radio AGN luminosity function is relativistically be"},"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":"0910.4904","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-26T15:13:39Z","cross_cats_sorted":[],"title_canon_sha256":"23a324df34add7e8de23ddd4d4fe1a823e21cc4e72cc63f85df26d6605b758e1","abstract_canon_sha256":"2dad2b0c5abeefff18e7b076b959381fdcfb7ee1349591faf1556f741e185816"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:12.858517Z","signature_b64":"jrKpYfg1Z83BbjjvnO0TOvB7CjVAi1DQmY1FoWrnTcfhJ5FB409eez0UBzA3gKAiWTVg78/v7u5FVCTzZ2a2Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"95396adbe66f602ed88507a9fc935467ba6e045227f196c7b5e7c75bd579f81c","last_reissued_at":"2026-05-18T02:34:12.858077Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:12.858077Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Balancing the Cosmic Energy Budget: The Cosmic X-ray Background, Blazars and the Compton Thick AGN Fraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A.R. Draper, D.R. Ballantyne","submitted_at":"2009-10-26T15:13:39Z","abstract_excerpt":"At energies ~>2 keV, active galactic nuclei (AGN) are the source of the cosmic X-ray background (CXB). For AGN population synthesis models to replicate the peak region of the CXB (~30 keV), a highly obscured and therefore nearly invisible class of AGN, known as Compton thick (CT) AGN, must be assumed to contribute nearly a third of the CXB. In order to constrain the CT fraction of AGN and the CT number density we consider several hard X-ray AGN luminosity functions and the contribution of blazars to the CXB. Following the unified scheme, the radio AGN luminosity function is relativistically be"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.4904","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":"0910.4904","created_at":"2026-05-18T02:34:12.858147+00:00"},{"alias_kind":"arxiv_version","alias_value":"0910.4904v1","created_at":"2026-05-18T02:34:12.858147+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.4904","created_at":"2026-05-18T02:34:12.858147+00:00"},{"alias_kind":"pith_short_12","alias_value":"SU4WVW7GN5QC","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_16","alias_value":"SU4WVW7GN5QC5WEF","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_8","alias_value":"SU4WVW7G","created_at":"2026-05-18T12:26:01.383474+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.17547","citing_title":"Population synthesis of active galactic nuclei based on the radiation-regulated unification model","ref_index":83,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/SU4WVW7GN5QC5WEFA6U7ZE2UM6","json":"https://pith.science/pith/SU4WVW7GN5QC5WEFA6U7ZE2UM6.json","graph_json":"https://pith.science/api/pith-number/SU4WVW7GN5QC5WEFA6U7ZE2UM6/graph.json","events_json":"https://pith.science/api/pith-number/SU4WVW7GN5QC5WEFA6U7ZE2UM6/events.json","paper":"https://pith.science/paper/SU4WVW7G"},"agent_actions":{"view_html":"https://pith.science/pith/SU4WVW7GN5QC5WEFA6U7ZE2UM6","download_json":"https://pith.science/pith/SU4WVW7GN5QC5WEFA6U7ZE2UM6.json","view_paper":"https://pith.science/paper/SU4WVW7G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0910.4904&json=true","fetch_graph":"https://pith.science/api/pith-number/SU4WVW7GN5QC5WEFA6U7ZE2UM6/graph.json","fetch_events":"https://pith.science/api/pith-number/SU4WVW7GN5QC5WEFA6U7ZE2UM6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SU4WVW7GN5QC5WEFA6U7ZE2UM6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SU4WVW7GN5QC5WEFA6U7ZE2UM6/action/storage_attestation","attest_author":"https://pith.science/pith/SU4WVW7GN5QC5WEFA6U7ZE2UM6/action/author_attestation","sign_citation":"https://pith.science/pith/SU4WVW7GN5QC5WEFA6U7ZE2UM6/action/citation_signature","submit_replication":"https://pith.science/pith/SU4WVW7GN5QC5WEFA6U7ZE2UM6/action/replication_record"}},"created_at":"2026-05-18T02:34:12.858147+00:00","updated_at":"2026-05-18T02:34:12.858147+00:00"}