{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:BX5PKFXHSJTDKSDGTNOKD6MEGP","short_pith_number":"pith:BX5PKFXH","schema_version":"1.0","canonical_sha256":"0dfaf516e792663548669b5ca1f98433d88737d9c780d44816569dd02718d2b4","source":{"kind":"arxiv","id":"1210.0752","version":1},"attestation_state":"computed","paper":{"title":"Identifying Breaks and Curvature in the Fermi Spectra of Bright FSRQs and Constraining the Emission Region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Jonathan Harris, Michael K. Daniel, Paula M. Chadwick","submitted_at":"2012-10-02T12:38:45Z","abstract_excerpt":"Deviation of the gamma-ray energy spectra of Flat Spectrum Radio Quasars (FSRQs) from a simple power law has been previously observed but the cause of this remains unidentified. If the gamma-ray emission region is close to the central black hole then absorption of gamma-rays with photons from the broad line region is predicted to produce two spectral breaks in the gamma-ray spectra at fixed energies. We examine 9 bright FSRQs for evidence of breaks and curvature. Although we confirm deviation from a simple power law, break energies are usually not where predicted by the double-absorber model. "},"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":"1210.0752","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-10-02T12:38:45Z","cross_cats_sorted":[],"title_canon_sha256":"87fe1daba136b5dc40c2028016cd8de6334862858221760c7c028119f31880bc","abstract_canon_sha256":"f8474b59b0b7cd4be8f230fa4c88e2cbd2c6ffb17ae49c5981edba78f1384ebc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:54:11.555616Z","signature_b64":"R9sI+lAMEykjWSVVV+X6sQZpy2InUmUcDJ2xAYXYdmoOUtTWliT6tj7cn6PiGkwRD/n+x586Mn8BTc6o3ImuAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0dfaf516e792663548669b5ca1f98433d88737d9c780d44816569dd02718d2b4","last_reissued_at":"2026-05-18T01:54:11.555143Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:54:11.555143Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Identifying Breaks and Curvature in the Fermi Spectra of Bright FSRQs and Constraining the Emission Region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Jonathan Harris, Michael K. Daniel, Paula M. Chadwick","submitted_at":"2012-10-02T12:38:45Z","abstract_excerpt":"Deviation of the gamma-ray energy spectra of Flat Spectrum Radio Quasars (FSRQs) from a simple power law has been previously observed but the cause of this remains unidentified. If the gamma-ray emission region is close to the central black hole then absorption of gamma-rays with photons from the broad line region is predicted to produce two spectral breaks in the gamma-ray spectra at fixed energies. We examine 9 bright FSRQs for evidence of breaks and curvature. Although we confirm deviation from a simple power law, break energies are usually not where predicted by the double-absorber model. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.0752","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":"1210.0752","created_at":"2026-05-18T01:54:11.555209+00:00"},{"alias_kind":"arxiv_version","alias_value":"1210.0752v1","created_at":"2026-05-18T01:54:11.555209+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.0752","created_at":"2026-05-18T01:54:11.555209+00:00"},{"alias_kind":"pith_short_12","alias_value":"BX5PKFXHSJTD","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_16","alias_value":"BX5PKFXHSJTDKSDG","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_8","alias_value":"BX5PKFXH","created_at":"2026-05-18T12:27:01.376967+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/BX5PKFXHSJTDKSDGTNOKD6MEGP","json":"https://pith.science/pith/BX5PKFXHSJTDKSDGTNOKD6MEGP.json","graph_json":"https://pith.science/api/pith-number/BX5PKFXHSJTDKSDGTNOKD6MEGP/graph.json","events_json":"https://pith.science/api/pith-number/BX5PKFXHSJTDKSDGTNOKD6MEGP/events.json","paper":"https://pith.science/paper/BX5PKFXH"},"agent_actions":{"view_html":"https://pith.science/pith/BX5PKFXHSJTDKSDGTNOKD6MEGP","download_json":"https://pith.science/pith/BX5PKFXHSJTDKSDGTNOKD6MEGP.json","view_paper":"https://pith.science/paper/BX5PKFXH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1210.0752&json=true","fetch_graph":"https://pith.science/api/pith-number/BX5PKFXHSJTDKSDGTNOKD6MEGP/graph.json","fetch_events":"https://pith.science/api/pith-number/BX5PKFXHSJTDKSDGTNOKD6MEGP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BX5PKFXHSJTDKSDGTNOKD6MEGP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BX5PKFXHSJTDKSDGTNOKD6MEGP/action/storage_attestation","attest_author":"https://pith.science/pith/BX5PKFXHSJTDKSDGTNOKD6MEGP/action/author_attestation","sign_citation":"https://pith.science/pith/BX5PKFXHSJTDKSDGTNOKD6MEGP/action/citation_signature","submit_replication":"https://pith.science/pith/BX5PKFXHSJTDKSDGTNOKD6MEGP/action/replication_record"}},"created_at":"2026-05-18T01:54:11.555209+00:00","updated_at":"2026-05-18T01:54:11.555209+00:00"}