{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:VUBRBKD5QMP7CD6RFCCHUQHSQD","short_pith_number":"pith:VUBRBKD5","canonical_record":{"source":{"id":"1509.03679","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-11T22:12:10Z","cross_cats_sorted":[],"title_canon_sha256":"8511cc7979c0aa82e19901cb0fd2210e4d5f3de1c1ef9eca378b13d6b737d1b7","abstract_canon_sha256":"eeab48519e84c4be688a941e495d9ce19501c24d987b264a1bf531ed188ef13b"},"schema_version":"1.0"},"canonical_sha256":"ad0310a87d831ff10fd128847a40f280d4202713b249490a6229e90a062648cd","source":{"kind":"arxiv","id":"1509.03679","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.03679","created_at":"2026-05-18T01:22:10Z"},{"alias_kind":"arxiv_version","alias_value":"1509.03679v2","created_at":"2026-05-18T01:22:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.03679","created_at":"2026-05-18T01:22:10Z"},{"alias_kind":"pith_short_12","alias_value":"VUBRBKD5QMP7","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"VUBRBKD5QMP7CD6R","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"VUBRBKD5","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:VUBRBKD5QMP7CD6RFCCHUQHSQD","target":"record","payload":{"canonical_record":{"source":{"id":"1509.03679","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-11T22:12:10Z","cross_cats_sorted":[],"title_canon_sha256":"8511cc7979c0aa82e19901cb0fd2210e4d5f3de1c1ef9eca378b13d6b737d1b7","abstract_canon_sha256":"eeab48519e84c4be688a941e495d9ce19501c24d987b264a1bf531ed188ef13b"},"schema_version":"1.0"},"canonical_sha256":"ad0310a87d831ff10fd128847a40f280d4202713b249490a6229e90a062648cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:10.203820Z","signature_b64":"kng4+gK/y8IAC/QzETBFYibO1gcsI0Rs9ooieS32a9Y5e37VGCZE/5wy5kdJscUSHOqBGoXNUVriYPUz698CAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad0310a87d831ff10fd128847a40f280d4202713b249490a6229e90a062648cd","last_reissued_at":"2026-05-18T01:22:10.203243Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:10.203243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.03679","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:22:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NPaJp/mVfZyKZ14IZkzY/1NJMFyMEBnXqvTE0gH0nTE3sKIrV8mwe2sEJBA4Z9QSmCgsLR+9KJymNsbL8gUmDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:01:18.039266Z"},"content_sha256":"24a353a9192c32a51da4a10c92c65073b7defb0ea738591d72f5601c18d99fec","schema_version":"1.0","event_id":"sha256:24a353a9192c32a51da4a10c92c65073b7defb0ea738591d72f5601c18d99fec"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:VUBRBKD5QMP7CD6RFCCHUQHSQD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The UV and optical Fe II emission lines in type 1 AGNs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Jelena Kovacevic-Dojcinovic, Luka C. Popovic","submitted_at":"2015-09-11T22:12:10Z","abstract_excerpt":"We investigate the spectral properties of the UV ($\\lambda\\lambda$2650-3050 \\AA) and optical ($\\lambda\\lambda$4000-5500 \\AA) Fe II emission features in a sample of 293 type 1 active galactic nuclei (AGNs) from Sloan Digital Sky Survey (SDSS) database. We explore different correlations between their emission line properties, as well as the correlations with the other emission lines from the spectral range. We find several interesting correlations and we can outline the most interesting results as follows. (i) There is a kinematical connection between the UV and optical Fe II lines, indicating t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.03679","kind":"arxiv","version":2},"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":"2026-05-18T01:22:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c1E+LNqSwhVKMGF/h4hXRKHjWNfBAvrQkXbqJgDPHl/PA3m62HaU6W67ElgbOlNN8wQK7Gf84E4GBWyS4APvCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:01:18.039611Z"},"content_sha256":"b536f2e329501f483a964729215a78769a6ec9521466ffe1447bef2e7b6de078","schema_version":"1.0","event_id":"sha256:b536f2e329501f483a964729215a78769a6ec9521466ffe1447bef2e7b6de078"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VUBRBKD5QMP7CD6RFCCHUQHSQD/bundle.json","state_url":"https://pith.science/pith/VUBRBKD5QMP7CD6RFCCHUQHSQD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VUBRBKD5QMP7CD6RFCCHUQHSQD/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":"2026-07-07T09:01:18Z","links":{"resolver":"https://pith.science/pith/VUBRBKD5QMP7CD6RFCCHUQHSQD","bundle":"https://pith.science/pith/VUBRBKD5QMP7CD6RFCCHUQHSQD/bundle.json","state":"https://pith.science/pith/VUBRBKD5QMP7CD6RFCCHUQHSQD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VUBRBKD5QMP7CD6RFCCHUQHSQD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:VUBRBKD5QMP7CD6RFCCHUQHSQD","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":"eeab48519e84c4be688a941e495d9ce19501c24d987b264a1bf531ed188ef13b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-11T22:12:10Z","title_canon_sha256":"8511cc7979c0aa82e19901cb0fd2210e4d5f3de1c1ef9eca378b13d6b737d1b7"},"schema_version":"1.0","source":{"id":"1509.03679","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.03679","created_at":"2026-05-18T01:22:10Z"},{"alias_kind":"arxiv_version","alias_value":"1509.03679v2","created_at":"2026-05-18T01:22:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.03679","created_at":"2026-05-18T01:22:10Z"},{"alias_kind":"pith_short_12","alias_value":"VUBRBKD5QMP7","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"VUBRBKD5QMP7CD6R","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"VUBRBKD5","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:b536f2e329501f483a964729215a78769a6ec9521466ffe1447bef2e7b6de078","target":"graph","created_at":"2026-05-18T01:22:10Z","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":"We investigate the spectral properties of the UV ($\\lambda\\lambda$2650-3050 \\AA) and optical ($\\lambda\\lambda$4000-5500 \\AA) Fe II emission features in a sample of 293 type 1 active galactic nuclei (AGNs) from Sloan Digital Sky Survey (SDSS) database. We explore different correlations between their emission line properties, as well as the correlations with the other emission lines from the spectral range. We find several interesting correlations and we can outline the most interesting results as follows. (i) There is a kinematical connection between the UV and optical Fe II lines, indicating t","authors_text":"Jelena Kovacevic-Dojcinovic, Luka C. Popovic","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-11T22:12:10Z","title":"The UV and optical Fe II emission lines in type 1 AGNs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.03679","kind":"arxiv","version":2},"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":"sha256:24a353a9192c32a51da4a10c92c65073b7defb0ea738591d72f5601c18d99fec","target":"record","created_at":"2026-05-18T01:22:10Z","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":"eeab48519e84c4be688a941e495d9ce19501c24d987b264a1bf531ed188ef13b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-11T22:12:10Z","title_canon_sha256":"8511cc7979c0aa82e19901cb0fd2210e4d5f3de1c1ef9eca378b13d6b737d1b7"},"schema_version":"1.0","source":{"id":"1509.03679","kind":"arxiv","version":2}},"canonical_sha256":"ad0310a87d831ff10fd128847a40f280d4202713b249490a6229e90a062648cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad0310a87d831ff10fd128847a40f280d4202713b249490a6229e90a062648cd","first_computed_at":"2026-05-18T01:22:10.203243Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:22:10.203243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kng4+gK/y8IAC/QzETBFYibO1gcsI0Rs9ooieS32a9Y5e37VGCZE/5wy5kdJscUSHOqBGoXNUVriYPUz698CAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:22:10.203820Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.03679","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:24a353a9192c32a51da4a10c92c65073b7defb0ea738591d72f5601c18d99fec","sha256:b536f2e329501f483a964729215a78769a6ec9521466ffe1447bef2e7b6de078"],"state_sha256":"ab3b6302f6dcd24bd7c210f7d0c6ab679e14d56cacd31cfbda0b75554aaf5d9f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R0XMGGOn9ig6S9McyH1Vl1+l6NYIn61gi0RWRV8P1Fbcwg/a7cWWXBi1/iIabbN+TEsKskkdvAuptrDd8nsqBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T09:01:18.041394Z","bundle_sha256":"62b5b23e63e3035be18e19d4abecca422f9108205e19b40a1b19affbaae33698"}}