{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:PKHZTTCH4ZMLHROA4PYPB4P2BS","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":"b5558c43bec05ca2c30f0e34f0749012a0884642afa4c716493e3e24cfec2564","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-10-06T20:00:10Z","title_canon_sha256":"1aa8f9ba28ce67dfe8f23b6a14206fbc75fc27f0090f2dbdee70751ffbe00aaf"},"schema_version":"1.0","source":{"id":"1410.1539","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.1539","created_at":"2026-05-18T01:41:51Z"},{"alias_kind":"arxiv_version","alias_value":"1410.1539v1","created_at":"2026-05-18T01:41:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.1539","created_at":"2026-05-18T01:41:51Z"},{"alias_kind":"pith_short_12","alias_value":"PKHZTTCH4ZML","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"PKHZTTCH4ZMLHROA","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"PKHZTTCH","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:59508ca96230d1e01f63ab05de06eb441f31332ebd8dcd10e355cbdb3ac8e058","target":"graph","created_at":"2026-05-18T01:41:51Z","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":"Blazars are classically divided into the BL Lac (BLL) and Flat-Spectrum Radio Quasar (FSRQ) subclasses, corresponding to radiatively inefficient and efficient accretion regimes, respectively, largely based on the equivalent width (EW) of their optical broad emission lines (BEL). However, EW-based classification criteria are not physically motivated, and a few blazars have previously 'transitioned' from one subclass to the other. We present the first systematic search for these transition blazars in a sample of 602 unique pairs of repeat spectra of 354 blazars in SDSS, finding six clear cases. ","authors_text":"A. D. Myers, D. P. Schneider, J. J. Ruan, R. M. Plotkin, S. F. Anderson, T. H. Burnett, W. N. Brandt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-10-06T20:00:10Z","title":"The Nature of Transition Blazars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.1539","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":"sha256:088d0a834761473cefb916e030badcac1c6cd473c437a7ef3235e4633c230f1e","target":"record","created_at":"2026-05-18T01:41:51Z","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":"b5558c43bec05ca2c30f0e34f0749012a0884642afa4c716493e3e24cfec2564","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-10-06T20:00:10Z","title_canon_sha256":"1aa8f9ba28ce67dfe8f23b6a14206fbc75fc27f0090f2dbdee70751ffbe00aaf"},"schema_version":"1.0","source":{"id":"1410.1539","kind":"arxiv","version":1}},"canonical_sha256":"7a8f99cc47e658b3c5c0e3f0f0f1fa0c8aeb286889c1fcd2a3613309d198d87d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7a8f99cc47e658b3c5c0e3f0f0f1fa0c8aeb286889c1fcd2a3613309d198d87d","first_computed_at":"2026-05-18T01:41:51.985149Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:51.985149Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nO/FNek2ehBD69jwFl3Lmq/MVUb+pVgor87cJ2Gaw/70k5QyK8wV/Ya+Oig1FrIFtZmbdSCF3OWMedjrjL58Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:51.985850Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.1539","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:088d0a834761473cefb916e030badcac1c6cd473c437a7ef3235e4633c230f1e","sha256:59508ca96230d1e01f63ab05de06eb441f31332ebd8dcd10e355cbdb3ac8e058"],"state_sha256":"97fc959d13db06ca40e93b68f258c8fc516f4b9b8ea9fca20f725059d5eb48c6"}