{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:QHU7C4VZMJRSLGPV3BYAYGPIK4","short_pith_number":"pith:QHU7C4VZ","schema_version":"1.0","canonical_sha256":"81e9f172b962632599f5d8700c19e85730a2c88425eba882c565ebe5b9fbc49e","source":{"kind":"arxiv","id":"1506.00013","version":1},"attestation_state":"computed","paper":{"title":"Updated Search for Spectral Lines from Galactic Dark Matter Interactions with Pass 8 Data from the Fermi Large Area Telescope","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"The Fermi-LAT Collaboration","submitted_at":"2015-05-29T20:11:00Z","abstract_excerpt":"Dark matter in the Milky Way may annihilate directly into gamma rays, producing a monoenergetic spectral line. Therefore, detecting such a signature would be strong evidence for dark matter annihilation or decay. We search for spectral lines in the Fermi Large Area Telescope observations of the Milky Way halo in the energy range 200 MeV to 500 GeV using analysis methods from our most recent line searches. The main improvements relative to previous works are our use of 5.8 years of data reprocessed with the Pass 8 event-level analysis and the additional data resulting from the modified observin"},"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":"1506.00013","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-05-29T20:11:00Z","cross_cats_sorted":[],"title_canon_sha256":"f7304cc7811d9dd8c66096bf7e43d359cda13c252b3d869c8453f653c0b948a7","abstract_canon_sha256":"30911a6dd5faee09a7f90c1185587bb04c176889f8f8eae592f5c9786b27c6af"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:50:23.106090Z","signature_b64":"AasTDdSoLpjDVzVyPYoaOJ2kZEo4qWNgCCvL5Bb+sLr1ACzSGZN5lmI5xGqYRTn3FGWe5mdqmj9FkzIYNiTPCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81e9f172b962632599f5d8700c19e85730a2c88425eba882c565ebe5b9fbc49e","last_reissued_at":"2026-05-18T00:50:23.105293Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:50:23.105293Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Updated Search for Spectral Lines from Galactic Dark Matter Interactions with Pass 8 Data from the Fermi Large Area Telescope","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"The Fermi-LAT Collaboration","submitted_at":"2015-05-29T20:11:00Z","abstract_excerpt":"Dark matter in the Milky Way may annihilate directly into gamma rays, producing a monoenergetic spectral line. Therefore, detecting such a signature would be strong evidence for dark matter annihilation or decay. We search for spectral lines in the Fermi Large Area Telescope observations of the Milky Way halo in the energy range 200 MeV to 500 GeV using analysis methods from our most recent line searches. The main improvements relative to previous works are our use of 5.8 years of data reprocessed with the Pass 8 event-level analysis and the additional data resulting from the modified observin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.00013","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":"1506.00013","created_at":"2026-05-18T00:50:23.105423+00:00"},{"alias_kind":"arxiv_version","alias_value":"1506.00013v1","created_at":"2026-05-18T00:50:23.105423+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.00013","created_at":"2026-05-18T00:50:23.105423+00:00"},{"alias_kind":"pith_short_12","alias_value":"QHU7C4VZMJRS","created_at":"2026-05-18T12:29:37.295048+00:00"},{"alias_kind":"pith_short_16","alias_value":"QHU7C4VZMJRSLGPV","created_at":"2026-05-18T12:29:37.295048+00:00"},{"alias_kind":"pith_short_8","alias_value":"QHU7C4VZ","created_at":"2026-05-18T12:29:37.295048+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/QHU7C4VZMJRSLGPV3BYAYGPIK4","json":"https://pith.science/pith/QHU7C4VZMJRSLGPV3BYAYGPIK4.json","graph_json":"https://pith.science/api/pith-number/QHU7C4VZMJRSLGPV3BYAYGPIK4/graph.json","events_json":"https://pith.science/api/pith-number/QHU7C4VZMJRSLGPV3BYAYGPIK4/events.json","paper":"https://pith.science/paper/QHU7C4VZ"},"agent_actions":{"view_html":"https://pith.science/pith/QHU7C4VZMJRSLGPV3BYAYGPIK4","download_json":"https://pith.science/pith/QHU7C4VZMJRSLGPV3BYAYGPIK4.json","view_paper":"https://pith.science/paper/QHU7C4VZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1506.00013&json=true","fetch_graph":"https://pith.science/api/pith-number/QHU7C4VZMJRSLGPV3BYAYGPIK4/graph.json","fetch_events":"https://pith.science/api/pith-number/QHU7C4VZMJRSLGPV3BYAYGPIK4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QHU7C4VZMJRSLGPV3BYAYGPIK4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QHU7C4VZMJRSLGPV3BYAYGPIK4/action/storage_attestation","attest_author":"https://pith.science/pith/QHU7C4VZMJRSLGPV3BYAYGPIK4/action/author_attestation","sign_citation":"https://pith.science/pith/QHU7C4VZMJRSLGPV3BYAYGPIK4/action/citation_signature","submit_replication":"https://pith.science/pith/QHU7C4VZMJRSLGPV3BYAYGPIK4/action/replication_record"}},"created_at":"2026-05-18T00:50:23.105423+00:00","updated_at":"2026-05-18T00:50:23.105423+00:00"}