{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:HD5M2HB5OVP47TVASQ2QFK63OL","short_pith_number":"pith:HD5M2HB5","schema_version":"1.0","canonical_sha256":"38facd1c3d755fcfcea0943502abdb72f60b0f53a526431061bdbc9921d64d82","source":{"kind":"arxiv","id":"1607.03778","version":1},"attestation_state":"computed","paper":{"title":"Gamma-ray upper limits on magnetars with 6 years of Fermi-LAT observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Diego F. Torres, Emma de Ona-Wilhelmi, Jian Li, Nanda Rea","submitted_at":"2016-07-13T15:03:23Z","abstract_excerpt":"We report on the search for gamma-ray emission from 20 magnetars using 6 years of Fermi, Large Area Telescope (LAT) observations. No significant evidence for gamma-ray emission from any of the currently-known magnetars is found. We derived the most stringent upper limits to date on the 0.1--10 GeV emission of Galactic magnetars, which are estimated between $\\sim10^{-12}-10^{-11}$ erg s$^{-1}$ cm$^{-2}$. Gamma-ray pulsations were searched for the four magnetars having reliable ephemerides over the observing period, but none were detected. On the other hand, we also studied the gamma-ray morphol"},"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":"1607.03778","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-07-13T15:03:23Z","cross_cats_sorted":[],"title_canon_sha256":"047fb946ba57b56b60abd6ee0ea5df5d57a3b4d9e80721074c8bd0b6b30fe0b8","abstract_canon_sha256":"309bed5d388608eadccc0596514b3220f2a53e25e530d10828f5fb8a86423a2a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:16.947178Z","signature_b64":"SB5JymOMA27im8W5zqxcsCiQeeYvUAu1cg0DbLIli7iHYD2QdKQZreYzLqAxn3QryVqr+UuxDXb6HSaIGm0ADA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38facd1c3d755fcfcea0943502abdb72f60b0f53a526431061bdbc9921d64d82","last_reissued_at":"2026-05-18T00:52:16.946534Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:16.946534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Gamma-ray upper limits on magnetars with 6 years of Fermi-LAT observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Diego F. Torres, Emma de Ona-Wilhelmi, Jian Li, Nanda Rea","submitted_at":"2016-07-13T15:03:23Z","abstract_excerpt":"We report on the search for gamma-ray emission from 20 magnetars using 6 years of Fermi, Large Area Telescope (LAT) observations. No significant evidence for gamma-ray emission from any of the currently-known magnetars is found. We derived the most stringent upper limits to date on the 0.1--10 GeV emission of Galactic magnetars, which are estimated between $\\sim10^{-12}-10^{-11}$ erg s$^{-1}$ cm$^{-2}$. Gamma-ray pulsations were searched for the four magnetars having reliable ephemerides over the observing period, but none were detected. On the other hand, we also studied the gamma-ray morphol"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.03778","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":"1607.03778","created_at":"2026-05-18T00:52:16.946627+00:00"},{"alias_kind":"arxiv_version","alias_value":"1607.03778v1","created_at":"2026-05-18T00:52:16.946627+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.03778","created_at":"2026-05-18T00:52:16.946627+00:00"},{"alias_kind":"pith_short_12","alias_value":"HD5M2HB5OVP4","created_at":"2026-05-18T12:30:19.053100+00:00"},{"alias_kind":"pith_short_16","alias_value":"HD5M2HB5OVP47TVA","created_at":"2026-05-18T12:30:19.053100+00:00"},{"alias_kind":"pith_short_8","alias_value":"HD5M2HB5","created_at":"2026-05-18T12:30:19.053100+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2608.00589","citing_title":"Gamma Rays from ALP-Photon Conversion and Inverse Compton Reprocessing in Neutron Star Magnetospheres","ref_index":29,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HD5M2HB5OVP47TVASQ2QFK63OL","json":"https://pith.science/pith/HD5M2HB5OVP47TVASQ2QFK63OL.json","graph_json":"https://pith.science/api/pith-number/HD5M2HB5OVP47TVASQ2QFK63OL/graph.json","events_json":"https://pith.science/api/pith-number/HD5M2HB5OVP47TVASQ2QFK63OL/events.json","paper":"https://pith.science/paper/HD5M2HB5"},"agent_actions":{"view_html":"https://pith.science/pith/HD5M2HB5OVP47TVASQ2QFK63OL","download_json":"https://pith.science/pith/HD5M2HB5OVP47TVASQ2QFK63OL.json","view_paper":"https://pith.science/paper/HD5M2HB5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1607.03778&json=true","fetch_graph":"https://pith.science/api/pith-number/HD5M2HB5OVP47TVASQ2QFK63OL/graph.json","fetch_events":"https://pith.science/api/pith-number/HD5M2HB5OVP47TVASQ2QFK63OL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HD5M2HB5OVP47TVASQ2QFK63OL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HD5M2HB5OVP47TVASQ2QFK63OL/action/storage_attestation","attest_author":"https://pith.science/pith/HD5M2HB5OVP47TVASQ2QFK63OL/action/author_attestation","sign_citation":"https://pith.science/pith/HD5M2HB5OVP47TVASQ2QFK63OL/action/citation_signature","submit_replication":"https://pith.science/pith/HD5M2HB5OVP47TVASQ2QFK63OL/action/replication_record"}},"created_at":"2026-05-18T00:52:16.946627+00:00","updated_at":"2026-05-18T00:52:16.946627+00:00"}