{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:2IAIZIJE7DELVQCQXAMJ26QNXM","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":"5fe56364c8a4c1d69f706dd7e191860bf10a56a9cef6f25e66398cb78cdb2dce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-31T21:00:13Z","title_canon_sha256":"e34fc2f60cc89a63317369f13dbc0b31e45dac37ed3df87df5765fbe69db985a"},"schema_version":"1.0","source":{"id":"1301.0012","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.0012","created_at":"2026-05-18T02:20:10Z"},{"alias_kind":"arxiv_version","alias_value":"1301.0012v1","created_at":"2026-05-18T02:20:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.0012","created_at":"2026-05-18T02:20:10Z"},{"alias_kind":"pith_short_12","alias_value":"2IAIZIJE7DEL","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"2IAIZIJE7DELVQCQ","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"2IAIZIJE","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:08841de358fa509712b333f14e4b927597d0b57de7f3c91631887812362483d0","target":"graph","created_at":"2026-05-18T02:20:10Z","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":"(Abridged) We present a systematic study of the X-ray and multiwavelength properties of a sample of 17 highly radio-loud quasars (HRLQs) at z > 4 with sensitive X-ray coverage from new Chandra and archival Chandra, XMM-Newton, and Swift observations. Eight of the new and archival observations are reported in this work for the first time. New Chandra observations of two moderately radio-loud and highly optically luminous quasars at z > 4 are also reported. Our HRLQ sample represents the top ~5% of radio-loud quasars in terms of radio loudness. We found that our HRLQs have an X-ray emission enha","authors_text":"Brendan P. Miller, Cristian Vignali, Donald P. Schneider, Gordon P. Garmire, Jianfeng Wu, W. N. Brandt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-31T21:00:13Z","title":"An X-ray and Multiwavelength Survey of Highly Radio-Loud Quasars at z > 4: Jet-Linked Emission in the Brightest Radio Beacons of the Early Universe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.0012","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:bb5fb2418e850b6cdb7e873eb8d88efd23c99a65026f17c8598293d5a897ccea","target":"record","created_at":"2026-05-18T02:20:10Z","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":"5fe56364c8a4c1d69f706dd7e191860bf10a56a9cef6f25e66398cb78cdb2dce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-31T21:00:13Z","title_canon_sha256":"e34fc2f60cc89a63317369f13dbc0b31e45dac37ed3df87df5765fbe69db985a"},"schema_version":"1.0","source":{"id":"1301.0012","kind":"arxiv","version":1}},"canonical_sha256":"d2008ca124f8c8bac050b8189d7a0dbb1b21aee7ab8ce5feacbdfcdac1d89468","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d2008ca124f8c8bac050b8189d7a0dbb1b21aee7ab8ce5feacbdfcdac1d89468","first_computed_at":"2026-05-18T02:20:10.950967Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:20:10.950967Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0Lqj8httsWmap/IOJrS+IewRVWR3/kwxQIGiAtHUoexCznrk3X9PizmwdGUepllH9GQshWyM82TLpr5ViEcODw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:20:10.951615Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.0012","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bb5fb2418e850b6cdb7e873eb8d88efd23c99a65026f17c8598293d5a897ccea","sha256:08841de358fa509712b333f14e4b927597d0b57de7f3c91631887812362483d0"],"state_sha256":"b7c77274721e8c21742cbacde73ca12d58b321cbb464f85beda97a65464156dc"}