{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:YRSQGVCVZ7XD3QPURNQVJ54YG4","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":"365e9e7c5f6ea9b5ff3d7c610e02442925616c35c741176141a93c7769a40a49","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-02-24T18:47:48Z","title_canon_sha256":"5ef021b16f059999a4dd241dd0a1eb1eac94dabcebd3a34eabe984bf532a8dc8"},"schema_version":"1.0","source":{"id":"2202.12290","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.12290","created_at":"2026-07-05T04:24:17Z"},{"alias_kind":"arxiv_version","alias_value":"2202.12290v1","created_at":"2026-07-05T04:24:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.12290","created_at":"2026-07-05T04:24:17Z"},{"alias_kind":"pith_short_12","alias_value":"YRSQGVCVZ7XD","created_at":"2026-07-05T04:24:17Z"},{"alias_kind":"pith_short_16","alias_value":"YRSQGVCVZ7XD3QPU","created_at":"2026-07-05T04:24:17Z"},{"alias_kind":"pith_short_8","alias_value":"YRSQGVCV","created_at":"2026-07-05T04:24:17Z"}],"graph_snapshots":[{"event_id":"sha256:e472ce538572e6a67bf49581dd2bdb612bed11e434bec4f0245666f340f63854","target":"graph","created_at":"2026-07-05T04:24:17Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2202.12290/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We analyze the parsec-scale jet kinematics from 2007 June to 2018 December of a sample of $\\gamma$-ray bright blazars monitored roughly monthly with the Very Long Baseline Array at 43 GHz under the VLBA-BU-BLAZAR program. We implement a novel piece-wise linear fitting method to derive the kinematics of 521 distinct emission knots from a total of 3705 total intensity images in 22 quasars, 13 BL Lacertae objects, and 3 radio galaxies. Apparent speeds of these components range from $0.01c$ to $78c$, and 18.6\\% of knots (other than the \"core\") are quasi-stationary. One-fifth of moving knots exhibi","authors_text":"Alan P. Marscher, Anne L\\\"ahteenm\\\"aki, Daria A. Morozova, Iv\\'an Agudo, Ivan S. Troitsky, Joni Tammi, Jos\\'e L. G\\'omez, Merja Tornikoski, Svetlana G. Jorstad, Zachary R. Weaver","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-02-24T18:47:48Z","title":"Kinematics of Parsec-Scale Jets of Gamma-Ray Bright Blazars at 43 GHz during Ten Years of the VLBA-BU-BLAZAR Program"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.12290","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":"sha256:5ac6b8c313f76dff1d55f0d1fb8465fd389950da929a4787f291ad218a385be1","target":"record","created_at":"2026-07-05T04:24:17Z","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":"365e9e7c5f6ea9b5ff3d7c610e02442925616c35c741176141a93c7769a40a49","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-02-24T18:47:48Z","title_canon_sha256":"5ef021b16f059999a4dd241dd0a1eb1eac94dabcebd3a34eabe984bf532a8dc8"},"schema_version":"1.0","source":{"id":"2202.12290","kind":"arxiv","version":1}},"canonical_sha256":"c465035455cfee3dc1f48b6154f798371d6ab1e3dba9c5a2d5b70d3b2b39c990","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c465035455cfee3dc1f48b6154f798371d6ab1e3dba9c5a2d5b70d3b2b39c990","first_computed_at":"2026-07-05T04:24:17.264678Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:24:17.264678Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hVPQHxM8go2HTh86LQEuKpIDjKzZLNpe5bDDI4NgYw9zuaAozWiGRT+8Qk1VW2Obi5ulMmeqtdpr5GPqDLIDAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:24:17.265085Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.12290","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5ac6b8c313f76dff1d55f0d1fb8465fd389950da929a4787f291ad218a385be1","sha256:e472ce538572e6a67bf49581dd2bdb612bed11e434bec4f0245666f340f63854"],"state_sha256":"f28062f8c58e8e21f0a23980767502e66a650619f3b607b14ffe5865b6fc68d2"}