{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:HU2QABL7AHF4HZ4ENLBU27CZUS","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"356735036ff7992a39b20087d36eb2001738b2a03a9ca472ed008002659e844c","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-04-15T05:40:37Z","title_canon_sha256":"942cdce0c2586b4ad8439ab474ce5e2dfc7d3c4c87d65e3eb3e4f852165f50e6"},"schema_version":"1.0","source":{"id":"1304.3989","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.3989","created_at":"2026-05-18T01:50:32Z"},{"alias_kind":"arxiv_version","alias_value":"1304.3989v1","created_at":"2026-05-18T01:50:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.3989","created_at":"2026-05-18T01:50:32Z"},{"alias_kind":"pith_short_12","alias_value":"HU2QABL7AHF4","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"HU2QABL7AHF4HZ4E","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"HU2QABL7","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:731e274e0ff661b91c69d068f9c7b77a8ee9b4cb43aa0bd5b21b9d51c4b48e44","target":"graph","created_at":"2026-05-18T01:50:32Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"With assistance of the identified/associated sources in the second Fermi Large Area Telescope (LAT) catalog, we analyze and resolve the spatial distribution and the distributions of the gamma-ray spectral and variability indices of the remaining 575 unassociated Fermi LAT sources. Consequently, it is suggested that the unassociated sources could statistically consist of Galactic supernova remnants/pulsar wind nebulae, BL Lacertae objects, flat spectrum radio quasars, and other types of active galaxies with fractions of 25%, 29%, 41%, and 5%, respectively.","authors_text":"Yun-Wei Yu, Zhu Mao","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-04-15T05:40:37Z","title":"A statistical classification of the unassociated gamma-ray sources in the second Fermi Large Area Telescope Catalog"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.3989","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:8df6e4a343b26fdc7069688f939f52291f7b71e7a7b7a70e2fc56d30b79a394a","target":"record","created_at":"2026-05-18T01:50:32Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"356735036ff7992a39b20087d36eb2001738b2a03a9ca472ed008002659e844c","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-04-15T05:40:37Z","title_canon_sha256":"942cdce0c2586b4ad8439ab474ce5e2dfc7d3c4c87d65e3eb3e4f852165f50e6"},"schema_version":"1.0","source":{"id":"1304.3989","kind":"arxiv","version":1}},"canonical_sha256":"3d3500057f01cbc3e7846ac34d7c59a4a40158e968392cffe8b8ad9b633e3d82","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3d3500057f01cbc3e7846ac34d7c59a4a40158e968392cffe8b8ad9b633e3d82","first_computed_at":"2026-05-18T01:50:32.980058Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:32.980058Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z+3DG6mLuHlJojvTVsdQYo7frAbUmuAvlPcvYfLgFe4m6pdNjMXprTVoSa7TO3MZBfaLGuhlFHdvuGriC3yLCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:32.980611Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.3989","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8df6e4a343b26fdc7069688f939f52291f7b71e7a7b7a70e2fc56d30b79a394a","sha256:731e274e0ff661b91c69d068f9c7b77a8ee9b4cb43aa0bd5b21b9d51c4b48e44"],"state_sha256":"7c073451d0e6d4133dc31488d52e5fcf8c0db9dbb98fb9d166c3e762a1980350"}