{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:WNTFN7QCUUOUPGRSHK3F4ZXVEY","short_pith_number":"pith:WNTFN7QC","schema_version":"1.0","canonical_sha256":"b36656fe02a51d479a323ab65e66f52605d756cfa3b7a268b149f7da3b9f5863","source":{"kind":"arxiv","id":"0806.2829","version":3},"attestation_state":"computed","paper":{"title":"Probing Intergalactic Magnetic Fields in the GLAST Era through Pair Echo Emission from TeV Blazars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Keitaro Takahashi, Kiyomoto Ichiki, Kohta Murase, Shigehiro Nagataki, Susumu Inoue","submitted_at":"2008-06-17T16:18:57Z","abstract_excerpt":"More than a dozen blazars are known to be emitters of multi-TeV gamma rays, often with strong and rapid flaring activity. By interacting with photons of the cosmic microwave and infrared backgrounds, these gamma rays inevitably produce electron-positron pairs, which in turn radiate secondary inverse Compton gamma rays in the GeV-TeV range with a characteristic time delay that depends on the properties of the intergalactic magnetic field (IGMF). For sufficiently weak IGMF, such \"pair echo\" emission may be detectable by the Gamma-ray Large Area Space Telescope (GLAST), providing valuable informa"},"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":"0806.2829","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-06-17T16:18:57Z","cross_cats_sorted":[],"title_canon_sha256":"f9fe0c1b1c94d7907b6329e0efbba161888b80386cbd16d515a9a41dab9222c0","abstract_canon_sha256":"df1ab83a1443f2e9073e4418aacbe83e4cbca5dd6633740fb401742984ed6e6d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:03:54.834798Z","signature_b64":"MR5xgFOj7pUQv5J53KTfETPK++91Mt0wtGXnIrEUa5YGuZ1NZ8Fa3NL4YGeLdr3Hs4lI/hLC0gFO3O5XocbHDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b36656fe02a51d479a323ab65e66f52605d756cfa3b7a268b149f7da3b9f5863","last_reissued_at":"2026-05-18T04:03:54.834183Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:03:54.834183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Probing Intergalactic Magnetic Fields in the GLAST Era through Pair Echo Emission from TeV Blazars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Keitaro Takahashi, Kiyomoto Ichiki, Kohta Murase, Shigehiro Nagataki, Susumu Inoue","submitted_at":"2008-06-17T16:18:57Z","abstract_excerpt":"More than a dozen blazars are known to be emitters of multi-TeV gamma rays, often with strong and rapid flaring activity. By interacting with photons of the cosmic microwave and infrared backgrounds, these gamma rays inevitably produce electron-positron pairs, which in turn radiate secondary inverse Compton gamma rays in the GeV-TeV range with a characteristic time delay that depends on the properties of the intergalactic magnetic field (IGMF). For sufficiently weak IGMF, such \"pair echo\" emission may be detectable by the Gamma-ray Large Area Space Telescope (GLAST), providing valuable informa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0806.2829","kind":"arxiv","version":3},"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":"0806.2829","created_at":"2026-05-18T04:03:54.834280+00:00"},{"alias_kind":"arxiv_version","alias_value":"0806.2829v3","created_at":"2026-05-18T04:03:54.834280+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0806.2829","created_at":"2026-05-18T04:03:54.834280+00:00"},{"alias_kind":"pith_short_12","alias_value":"WNTFN7QCUUOU","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_16","alias_value":"WNTFN7QCUUOUPGRS","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_8","alias_value":"WNTFN7QC","created_at":"2026-05-18T12:25:58.018023+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/WNTFN7QCUUOUPGRSHK3F4ZXVEY","json":"https://pith.science/pith/WNTFN7QCUUOUPGRSHK3F4ZXVEY.json","graph_json":"https://pith.science/api/pith-number/WNTFN7QCUUOUPGRSHK3F4ZXVEY/graph.json","events_json":"https://pith.science/api/pith-number/WNTFN7QCUUOUPGRSHK3F4ZXVEY/events.json","paper":"https://pith.science/paper/WNTFN7QC"},"agent_actions":{"view_html":"https://pith.science/pith/WNTFN7QCUUOUPGRSHK3F4ZXVEY","download_json":"https://pith.science/pith/WNTFN7QCUUOUPGRSHK3F4ZXVEY.json","view_paper":"https://pith.science/paper/WNTFN7QC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0806.2829&json=true","fetch_graph":"https://pith.science/api/pith-number/WNTFN7QCUUOUPGRSHK3F4ZXVEY/graph.json","fetch_events":"https://pith.science/api/pith-number/WNTFN7QCUUOUPGRSHK3F4ZXVEY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WNTFN7QCUUOUPGRSHK3F4ZXVEY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WNTFN7QCUUOUPGRSHK3F4ZXVEY/action/storage_attestation","attest_author":"https://pith.science/pith/WNTFN7QCUUOUPGRSHK3F4ZXVEY/action/author_attestation","sign_citation":"https://pith.science/pith/WNTFN7QCUUOUPGRSHK3F4ZXVEY/action/citation_signature","submit_replication":"https://pith.science/pith/WNTFN7QCUUOUPGRSHK3F4ZXVEY/action/replication_record"}},"created_at":"2026-05-18T04:03:54.834280+00:00","updated_at":"2026-05-18T04:03:54.834280+00:00"}