{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:M765DAXP4XL7FEI5KFGI2CKCWE","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":"1d710dac91d3ff3d4ac478a9bff4e37a418366a93d762f982a6506674a5683ef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-06-24T14:14:53Z","title_canon_sha256":"c8e07b52c49d488e679ac699bb3c1452d4de57ba7da78caa14bfdddafa82a26b"},"schema_version":"1.0","source":{"id":"2006.13762","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.13762","created_at":"2026-07-05T01:35:35Z"},{"alias_kind":"arxiv_version","alias_value":"2006.13762v2","created_at":"2026-07-05T01:35:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.13762","created_at":"2026-07-05T01:35:35Z"},{"alias_kind":"pith_short_12","alias_value":"M765DAXP4XL7","created_at":"2026-07-05T01:35:35Z"},{"alias_kind":"pith_short_16","alias_value":"M765DAXP4XL7FEI5","created_at":"2026-07-05T01:35:35Z"},{"alias_kind":"pith_short_8","alias_value":"M765DAXP","created_at":"2026-07-05T01:35:35Z"}],"graph_snapshots":[{"event_id":"sha256:59e76530170eef8d64066845e67690cda9962dc064a9ce76b575ed9f35df62bb","target":"graph","created_at":"2026-07-05T01:35:35Z","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/2006.13762/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present Giant Metrewave Radio Telescope (GMRT) 323 MHz radio continuum observations toward 13 radio-loud quasars at $z>5$, sampling the low-frequency synchrotron emission from these objects. Among the 12 targets successfully observed, we detected 10 above $4\\sigma$ significance, while 2 remain undetected. All of the detected sources appear as point sources. Combined with previous radio continuum detections from the literature, 9 quasars have power-law spectral energy distributions throughout the radio range; for some the flux density drops with increasing frequency while it increases for ot","authors_text":"Axel Weiss, Chris L. Carilli, Dominik A. Riechers, Huib T. Intema, Jeff Wagg, Karl M. Menten, Ran Wang, Yali Shao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-06-24T14:14:53Z","title":"Observations by GMRT at 323 MHz of radio-loud quasars at $z>5$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.13762","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:ba24aa22da065ba3b3f9c971e34ed78931be8c3c9102443edd323d39d39c7e39","target":"record","created_at":"2026-07-05T01:35:35Z","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":"1d710dac91d3ff3d4ac478a9bff4e37a418366a93d762f982a6506674a5683ef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-06-24T14:14:53Z","title_canon_sha256":"c8e07b52c49d488e679ac699bb3c1452d4de57ba7da78caa14bfdddafa82a26b"},"schema_version":"1.0","source":{"id":"2006.13762","kind":"arxiv","version":2}},"canonical_sha256":"67fdd182efe5d7f2911d514c8d0942b1251d2e4f09b6cbf9651b54db2df62a0f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"67fdd182efe5d7f2911d514c8d0942b1251d2e4f09b6cbf9651b54db2df62a0f","first_computed_at":"2026-07-05T01:35:35.216174Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:35:35.216174Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UWfNtVwbWJ0C+RfUPCAcA886zJbMqA86kn0QEWPpEwdPgk7+JEt4cD0dihyqs9bMh+lCsop2UyN279OJZwjuDA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:35:35.216669Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.13762","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ba24aa22da065ba3b3f9c971e34ed78931be8c3c9102443edd323d39d39c7e39","sha256:59e76530170eef8d64066845e67690cda9962dc064a9ce76b575ed9f35df62bb"],"state_sha256":"ba1e3aa3306e7897dbbc9d6c1e0701886ce434b70a65d89d77bbbb4e78838ca7"}