{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:O42C64KNGIUIJU6S2SNZQRAO2F","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":"779fb1882951f4d7cc70f1b682ab082b7e946f3177aacfff240caac2f4c110ca","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-01-05T19:37:30Z","title_canon_sha256":"93a57da5df8dd33e2bf93d99fe5f95394018aed6e2790a5281e51439b7319570"},"schema_version":"1.0","source":{"id":"1801.01905","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.01905","created_at":"2026-05-18T00:25:23Z"},{"alias_kind":"arxiv_version","alias_value":"1801.01905v1","created_at":"2026-05-18T00:25:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.01905","created_at":"2026-05-18T00:25:23Z"},{"alias_kind":"pith_short_12","alias_value":"O42C64KNGIUI","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"O42C64KNGIUIJU6S","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"O42C64KN","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:fef309f561884e9a5612cea8b999ad41d06b8b6cf88c295262ff795942859b4a","target":"graph","created_at":"2026-05-18T00:25:23Z","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":"The detection of significant $\\gamma$-ray emission from radio-loud narrow line Seyfert 1 (NLSy1s) galaxies enables us to study jets in environments different than those in blazars. However, due to the small number of known $\\gamma$-ray emitting NLSy1 ($\\gamma$-NLSy1) galaxies, a comprehensive study could not be performed. Here we report the first detection of significant $\\gamma$-ray emission from four active galactic nuclei (AGN), recently classified as NLSy1 from their Sloan Digital Sky Survey (SDSS) optical spectrum. Three flat spectrum radio quasars (FSRQs) present in the third Large Area ","authors_text":"A. Kaur, A. Mandal, C. S. Stalin, D. Hartmann, M. Ajello, S. Rakshit, Vaidehi S. Paliya","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-01-05T19:37:30Z","title":"Gamma-ray Emitting Narrow Line Seyfert 1 Galaxies in The Sloan Digital Sky Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.01905","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":"sha256:5857e3fff3d5b0cb3c3b6107e695eb9245fa2d4fb3be288353f772672be658fd","target":"record","created_at":"2026-05-18T00:25:23Z","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":"779fb1882951f4d7cc70f1b682ab082b7e946f3177aacfff240caac2f4c110ca","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-01-05T19:37:30Z","title_canon_sha256":"93a57da5df8dd33e2bf93d99fe5f95394018aed6e2790a5281e51439b7319570"},"schema_version":"1.0","source":{"id":"1801.01905","kind":"arxiv","version":1}},"canonical_sha256":"77342f714d322884d3d2d49b98440ed16f5067134788d37f8be4ee64a4c15790","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"77342f714d322884d3d2d49b98440ed16f5067134788d37f8be4ee64a4c15790","first_computed_at":"2026-05-18T00:25:23.158109Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:23.158109Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"P/WZBfa5H2WKQUncFoP4znWW0szvZZHZD0SbguqTrJzFFB7KmdiVX7WRE7ia5viKDa9JRfTrgncas6eLGn8fBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:23.158701Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.01905","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5857e3fff3d5b0cb3c3b6107e695eb9245fa2d4fb3be288353f772672be658fd","sha256:fef309f561884e9a5612cea8b999ad41d06b8b6cf88c295262ff795942859b4a"],"state_sha256":"4fac916c43c24bb77fa7a80a4b8c21367d71a1f7a98d5c7f3217f8c2ae8ef389"}