{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:LDOEFB7LIVRV4Q7QZYZ6UNIQJH","short_pith_number":"pith:LDOEFB7L","canonical_record":{"source":{"id":"1807.01945","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-05T11:28:48Z","cross_cats_sorted":[],"title_canon_sha256":"3169b43e822f255b95bac3ebc57f76711015a0a02cadeb2335084750137a081e","abstract_canon_sha256":"7de2cafee54573621bd4f313f13c7381d02525fd314c56a7b0b4b222ea92852b"},"schema_version":"1.0"},"canonical_sha256":"58dc4287eb45635e43f0ce33ea351049d1125fe176a313ad6406fdeb162b6edb","source":{"kind":"arxiv","id":"1807.01945","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.01945","created_at":"2026-05-18T00:11:23Z"},{"alias_kind":"arxiv_version","alias_value":"1807.01945v1","created_at":"2026-05-18T00:11:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.01945","created_at":"2026-05-18T00:11:23Z"},{"alias_kind":"pith_short_12","alias_value":"LDOEFB7LIVRV","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LDOEFB7LIVRV4Q7Q","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LDOEFB7L","created_at":"2026-05-18T12:32:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:LDOEFB7LIVRV4Q7QZYZ6UNIQJH","target":"record","payload":{"canonical_record":{"source":{"id":"1807.01945","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-05T11:28:48Z","cross_cats_sorted":[],"title_canon_sha256":"3169b43e822f255b95bac3ebc57f76711015a0a02cadeb2335084750137a081e","abstract_canon_sha256":"7de2cafee54573621bd4f313f13c7381d02525fd314c56a7b0b4b222ea92852b"},"schema_version":"1.0"},"canonical_sha256":"58dc4287eb45635e43f0ce33ea351049d1125fe176a313ad6406fdeb162b6edb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:11:23.069753Z","signature_b64":"g6njXhnkX/m38/JCdaOSJRatcQpeN4pyU2JD5YHLdUXqCv9k67HibuLPK2JujYmnIQ8JaVuSalzWjTjMq8R7Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58dc4287eb45635e43f0ce33ea351049d1125fe176a313ad6406fdeb162b6edb","last_reissued_at":"2026-05-18T00:11:23.069208Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:11:23.069208Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.01945","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:11:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kRkvypvRj7LNWkSdxCmtqdblOMPj0UtcMBxbDPlgvJETLgFhwJATvkxMQGX07zGR+EP463l1dfvsBU1XpmX0AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T12:41:59.649367Z"},"content_sha256":"44da74e162f1221b711cccbf463770f2c08b99f94076f39ab2177f9868c7e905","schema_version":"1.0","event_id":"sha256:44da74e162f1221b711cccbf463770f2c08b99f94076f39ab2177f9868c7e905"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:LDOEFB7LIVRV4Q7QZYZ6UNIQJH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Investigating kpc-scale radio emission properties of narrow-line Seyfert 1 galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Hum Chand, Veeresh Singh","submitted_at":"2018-07-05T11:28:48Z","abstract_excerpt":"In recent years, several Radio-Loud Narrow-Line Seyfert 1 galaxies (RL-NLS1) possessing relativistic jets have come into attention with their detections in Very Large Baseline Array (VLBA) and in $\\gamma$-ray observations. In this paper we attempt to understand the nature of radio-jets in NLS1s by examining the kpc-scale radio properties of, hitherto, the largest sample of 11101 optically-selected NLS1s. Using 1.4 GHz FIRST, 1.4 GHz NVSS, 327 MHz WENNS, and 150 MHz TGSS catalogues we find the radio-detection of merely $\\sim$ 4.5 per cent (498/11101) NLS1s, with majority (407/498 $\\sim$ 81.7 pe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.01945","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:11:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2YyYnJnduptc3pjpFIo+yTL21jfqzwCEpG1BRAK6vubRR2/jnNHPAusf4d5VKCbz+bLKFTcvte5uQ5fVKnMSDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T12:41:59.649706Z"},"content_sha256":"2394a81d0d175def548bab147e4b255ce01dc50706ebd38bb29b028baa060d2a","schema_version":"1.0","event_id":"sha256:2394a81d0d175def548bab147e4b255ce01dc50706ebd38bb29b028baa060d2a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LDOEFB7LIVRV4Q7QZYZ6UNIQJH/bundle.json","state_url":"https://pith.science/pith/LDOEFB7LIVRV4Q7QZYZ6UNIQJH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LDOEFB7LIVRV4Q7QZYZ6UNIQJH/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-20T12:41:59Z","links":{"resolver":"https://pith.science/pith/LDOEFB7LIVRV4Q7QZYZ6UNIQJH","bundle":"https://pith.science/pith/LDOEFB7LIVRV4Q7QZYZ6UNIQJH/bundle.json","state":"https://pith.science/pith/LDOEFB7LIVRV4Q7QZYZ6UNIQJH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LDOEFB7LIVRV4Q7QZYZ6UNIQJH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:LDOEFB7LIVRV4Q7QZYZ6UNIQJH","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":"7de2cafee54573621bd4f313f13c7381d02525fd314c56a7b0b4b222ea92852b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-05T11:28:48Z","title_canon_sha256":"3169b43e822f255b95bac3ebc57f76711015a0a02cadeb2335084750137a081e"},"schema_version":"1.0","source":{"id":"1807.01945","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.01945","created_at":"2026-05-18T00:11:23Z"},{"alias_kind":"arxiv_version","alias_value":"1807.01945v1","created_at":"2026-05-18T00:11:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.01945","created_at":"2026-05-18T00:11:23Z"},{"alias_kind":"pith_short_12","alias_value":"LDOEFB7LIVRV","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LDOEFB7LIVRV4Q7Q","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LDOEFB7L","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:2394a81d0d175def548bab147e4b255ce01dc50706ebd38bb29b028baa060d2a","target":"graph","created_at":"2026-05-18T00:11:23Z","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":"In recent years, several Radio-Loud Narrow-Line Seyfert 1 galaxies (RL-NLS1) possessing relativistic jets have come into attention with their detections in Very Large Baseline Array (VLBA) and in $\\gamma$-ray observations. In this paper we attempt to understand the nature of radio-jets in NLS1s by examining the kpc-scale radio properties of, hitherto, the largest sample of 11101 optically-selected NLS1s. Using 1.4 GHz FIRST, 1.4 GHz NVSS, 327 MHz WENNS, and 150 MHz TGSS catalogues we find the radio-detection of merely $\\sim$ 4.5 per cent (498/11101) NLS1s, with majority (407/498 $\\sim$ 81.7 pe","authors_text":"Hum Chand, Veeresh Singh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-05T11:28:48Z","title":"Investigating kpc-scale radio emission properties of narrow-line Seyfert 1 galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.01945","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":"sha256:44da74e162f1221b711cccbf463770f2c08b99f94076f39ab2177f9868c7e905","target":"record","created_at":"2026-05-18T00:11:23Z","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":"7de2cafee54573621bd4f313f13c7381d02525fd314c56a7b0b4b222ea92852b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-05T11:28:48Z","title_canon_sha256":"3169b43e822f255b95bac3ebc57f76711015a0a02cadeb2335084750137a081e"},"schema_version":"1.0","source":{"id":"1807.01945","kind":"arxiv","version":1}},"canonical_sha256":"58dc4287eb45635e43f0ce33ea351049d1125fe176a313ad6406fdeb162b6edb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"58dc4287eb45635e43f0ce33ea351049d1125fe176a313ad6406fdeb162b6edb","first_computed_at":"2026-05-18T00:11:23.069208Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:11:23.069208Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"g6njXhnkX/m38/JCdaOSJRatcQpeN4pyU2JD5YHLdUXqCv9k67HibuLPK2JujYmnIQ8JaVuSalzWjTjMq8R7Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:11:23.069753Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.01945","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:44da74e162f1221b711cccbf463770f2c08b99f94076f39ab2177f9868c7e905","sha256:2394a81d0d175def548bab147e4b255ce01dc50706ebd38bb29b028baa060d2a"],"state_sha256":"7277df6c70d1fc145af93ab4fb933461517f64d352410c5aeaba1f6d83566fbb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MJH7hpsM1qPTp5CLnDsNgIsCRVhSi9heTRCD1fauBQvXi31X19sUXTeYMDiL77De7t5HxU1XpQ5MxZdY0h6dBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T12:41:59.651523Z","bundle_sha256":"ebbae4770d5586ccfe74319d6982a4fef1466406acbb7184f914eaef84360f16"}}