{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:IQ5MSHH5274E332RWFIAXP5DDA","short_pith_number":"pith:IQ5MSHH5","schema_version":"1.0","canonical_sha256":"443ac91cfdd7f84def51b1500bbfa31819d539df81fded138766f351176f89d9","source":{"kind":"arxiv","id":"0909.1701","version":1},"attestation_state":"computed","paper":{"title":"WEBT multiwavelength monitoring and XMM-Newton observations of BL Lacertae in 2007-2008. Unveiling different emission components","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.HE","authors_text":"A. Capetti, A. Strigachev, C. M. Raiteri, et al, J. Ohlert, K. Nilsson, M. A. Gurwell, M. F. Aller, M. Villata, P. Calcidese, U. Bach, V. M. Larionov","submitted_at":"2009-09-09T13:01:55Z","abstract_excerpt":"In 2007-2008 we carried out a new multiwavelength campaign of the Whole Earth Blazar Telescope (WEBT) on BL Lacertae, involving three pointings by the XMM-Newton satellite, to study its emission properties. The source was monitored in the optical-to-radio bands by 37 telescopes. The brightness level was relatively low. Some episodes of very fast variability were detected in the optical bands. The X-ray spectra are well fitted by a power law with photon index of about 2 and photoelectric absorption exceeding the Galactic value. However, when taking into account the presence of a molecular cloud"},"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":"0909.1701","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-09-09T13:01:55Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"5e649b4c9484543951804926b76827097e5c111621834abbabc3cc1c4ecaee03","abstract_canon_sha256":"c48090eb8b90a60607d3ce8fd0fdd96aa9330494a805460745520f6ac51a1b4a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:58.067391Z","signature_b64":"mkxBAlBR2GaLVsuA3DK9mHOYA5tYxhD2UbxPuSYNnWv3KMj+GEQasR5VwXT7p4TohRqnQmYzvnuUazPuMrBqDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"443ac91cfdd7f84def51b1500bbfa31819d539df81fded138766f351176f89d9","last_reissued_at":"2026-05-18T02:11:58.066529Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:58.066529Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"WEBT multiwavelength monitoring and XMM-Newton observations of BL Lacertae in 2007-2008. Unveiling different emission components","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.HE","authors_text":"A. Capetti, A. Strigachev, C. M. Raiteri, et al, J. Ohlert, K. Nilsson, M. A. Gurwell, M. F. Aller, M. Villata, P. Calcidese, U. Bach, V. M. Larionov","submitted_at":"2009-09-09T13:01:55Z","abstract_excerpt":"In 2007-2008 we carried out a new multiwavelength campaign of the Whole Earth Blazar Telescope (WEBT) on BL Lacertae, involving three pointings by the XMM-Newton satellite, to study its emission properties. The source was monitored in the optical-to-radio bands by 37 telescopes. The brightness level was relatively low. Some episodes of very fast variability were detected in the optical bands. The X-ray spectra are well fitted by a power law with photon index of about 2 and photoelectric absorption exceeding the Galactic value. However, when taking into account the presence of a molecular cloud"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.1701","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":"0909.1701","created_at":"2026-05-18T02:11:58.066679+00:00"},{"alias_kind":"arxiv_version","alias_value":"0909.1701v1","created_at":"2026-05-18T02:11:58.066679+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.1701","created_at":"2026-05-18T02:11:58.066679+00:00"},{"alias_kind":"pith_short_12","alias_value":"IQ5MSHH5274E","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_16","alias_value":"IQ5MSHH5274E332R","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_8","alias_value":"IQ5MSHH5","created_at":"2026-05-18T12:26:00.592388+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/IQ5MSHH5274E332RWFIAXP5DDA","json":"https://pith.science/pith/IQ5MSHH5274E332RWFIAXP5DDA.json","graph_json":"https://pith.science/api/pith-number/IQ5MSHH5274E332RWFIAXP5DDA/graph.json","events_json":"https://pith.science/api/pith-number/IQ5MSHH5274E332RWFIAXP5DDA/events.json","paper":"https://pith.science/paper/IQ5MSHH5"},"agent_actions":{"view_html":"https://pith.science/pith/IQ5MSHH5274E332RWFIAXP5DDA","download_json":"https://pith.science/pith/IQ5MSHH5274E332RWFIAXP5DDA.json","view_paper":"https://pith.science/paper/IQ5MSHH5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0909.1701&json=true","fetch_graph":"https://pith.science/api/pith-number/IQ5MSHH5274E332RWFIAXP5DDA/graph.json","fetch_events":"https://pith.science/api/pith-number/IQ5MSHH5274E332RWFIAXP5DDA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IQ5MSHH5274E332RWFIAXP5DDA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IQ5MSHH5274E332RWFIAXP5DDA/action/storage_attestation","attest_author":"https://pith.science/pith/IQ5MSHH5274E332RWFIAXP5DDA/action/author_attestation","sign_citation":"https://pith.science/pith/IQ5MSHH5274E332RWFIAXP5DDA/action/citation_signature","submit_replication":"https://pith.science/pith/IQ5MSHH5274E332RWFIAXP5DDA/action/replication_record"}},"created_at":"2026-05-18T02:11:58.066679+00:00","updated_at":"2026-05-18T02:11:58.066679+00:00"}