{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:YET3N2MJJBUHRUYZES5L6FPQIA","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":"0267fb6439bea11532ca9157c5749ba561228a4b35a208eb57e8e55b9a9ed5fd","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-09-18T20:48:45Z","title_canon_sha256":"7d89b1af0c3e1a6bd003991d300f601a1ac8ab28ac4b8914aa486175b9f993e6"},"schema_version":"1.0","source":{"id":"2409.12309","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.12309","created_at":"2026-07-05T10:11:24Z"},{"alias_kind":"arxiv_version","alias_value":"2409.12309v2","created_at":"2026-07-05T10:11:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.12309","created_at":"2026-07-05T10:11:24Z"},{"alias_kind":"pith_short_12","alias_value":"YET3N2MJJBUH","created_at":"2026-07-05T10:11:24Z"},{"alias_kind":"pith_short_16","alias_value":"YET3N2MJJBUHRUYZ","created_at":"2026-07-05T10:11:24Z"},{"alias_kind":"pith_short_8","alias_value":"YET3N2MJ","created_at":"2026-07-05T10:11:24Z"}],"graph_snapshots":[{"event_id":"sha256:6adb17a682e668e2da7e6eedd736b5de46b7118b10ced16091a097dc63c159ef","target":"graph","created_at":"2026-07-05T10:11:24Z","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/2409.12309/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We analyze the variability of the parsec-scale jet directions in active galactic nuclei (AGNs). Our analysis involves 317 AGNs at frequencies ranging from 2 to 43 GHz, and is made possible by developing an automatic inner jet direction measurement procedure. We find strong significant variations in a one quarter of these AGNs; the effect is likely ubiquitous, and not detected in the rest due to a limited sensitivity and observations epoch coverage. Average apparent jet rotation speeds range from 0.21 deg/yr at 2 GHz to 1.04 deg/yr at 43 GHz. This strong frequency dependence indicates that the ","authors_text":"Alexander Plavin, Alexander Pushkarev, Ivan Kostrichkin, Marina Butuzova","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-09-18T20:48:45Z","title":"Parsec-scale jet direction evolution in AGNs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.12309","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":"sha256:8ae966520d7faa440d768b7025f427737456640a31c2c0b70ea319b090280a57","target":"record","created_at":"2026-07-05T10:11:24Z","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":"0267fb6439bea11532ca9157c5749ba561228a4b35a208eb57e8e55b9a9ed5fd","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-09-18T20:48:45Z","title_canon_sha256":"7d89b1af0c3e1a6bd003991d300f601a1ac8ab28ac4b8914aa486175b9f993e6"},"schema_version":"1.0","source":{"id":"2409.12309","kind":"arxiv","version":2}},"canonical_sha256":"c127b6e989486878d31924babf15f040068c16205c5217d000ecac9508493efd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c127b6e989486878d31924babf15f040068c16205c5217d000ecac9508493efd","first_computed_at":"2026-07-05T10:11:24.369342Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:11:24.369342Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EbJsiuJaFSA1WAB/cl/8IitY0y9+eGsMnN/CiiwqvJ/JtuT8ypL/DCaKkA0ZhngNUX3V17zyvwSlg92o1+MnAA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:11:24.369869Z","signed_message":"canonical_sha256_bytes"},"source_id":"2409.12309","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ae966520d7faa440d768b7025f427737456640a31c2c0b70ea319b090280a57","sha256:6adb17a682e668e2da7e6eedd736b5de46b7118b10ced16091a097dc63c159ef"],"state_sha256":"845db0693e24eaf493b697331187c0fe3dbfc5237703c734d4891b3487a64921"}