{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:VPQ5XRAWNWVF3P2ORIDBXYPVKG","short_pith_number":"pith:VPQ5XRAW","schema_version":"1.0","canonical_sha256":"abe1dbc4166daa5dbf4e8a061be1f551af2e1362f8874cee4f6e1d5172c4ca7e","source":{"kind":"arxiv","id":"1402.2353","version":1},"attestation_state":"computed","paper":{"title":"VLBI observations of the radio quasar J2228+0110 at z=5.95 and other field sources in multiple-phase-centre mode","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A.T. Deller, H.-M. Cao, J. Yang, L.I. Gurvits, S. Frey, \\v{Z}. Ivezi\\'c, X.-Y. Hong, Z. Paragi","submitted_at":"2014-02-11T03:03:20Z","abstract_excerpt":"A patch of sky in the SDSS Stripe 82 was observed at 1.6 GHz with Very Long Baseline Interferometry (VLBI) using the European VLBI Network (EVN). The data were correlated at the EVN software correlator at JIVE (SFXC). There are fifteen known mJy/sub-mJy radio sources in the target field defined by the primary beam size of a typical 30-m class EVN radio telescope. The source of particular interest is a recently identified high-redshift radio quasar J222843.54+011032.2 (J2228+0110) at redshift z=5.95. Our aim was to investigate the milli-arcsecond (mas) scale properties of all the VLBI-detectabl"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1402.2353","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-02-11T03:03:20Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"324254d46662dcf52a8ef60b0436378530b1b679dfd32083f85befea8a61a653","abstract_canon_sha256":"a0d62def76e1d0e5863841d90475c98502aa606b6818cea5ab3f1507fbe2a433"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:49:30.452991Z","signature_b64":"NIbZo7Z6BeyxNI/iRdhDfZnybvfYmSAWRdqm3JijFkaR9k61348TrDuohivw5kAFyEpT7BHR2yilIAkXTu99Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"abe1dbc4166daa5dbf4e8a061be1f551af2e1362f8874cee4f6e1d5172c4ca7e","last_reissued_at":"2026-05-18T02:49:30.452577Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:49:30.452577Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"VLBI observations of the radio quasar J2228+0110 at z=5.95 and other field sources in multiple-phase-centre mode","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A.T. Deller, H.-M. Cao, J. Yang, L.I. Gurvits, S. Frey, \\v{Z}. Ivezi\\'c, X.-Y. Hong, Z. Paragi","submitted_at":"2014-02-11T03:03:20Z","abstract_excerpt":"A patch of sky in the SDSS Stripe 82 was observed at 1.6 GHz with Very Long Baseline Interferometry (VLBI) using the European VLBI Network (EVN). The data were correlated at the EVN software correlator at JIVE (SFXC). There are fifteen known mJy/sub-mJy radio sources in the target field defined by the primary beam size of a typical 30-m class EVN radio telescope. The source of particular interest is a recently identified high-redshift radio quasar J222843.54+011032.2 (J2228+0110) at redshift z=5.95. Our aim was to investigate the milli-arcsecond (mas) scale properties of all the VLBI-detectabl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.2353","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1402.2353","created_at":"2026-05-18T02:49:30.452636+00:00"},{"alias_kind":"arxiv_version","alias_value":"1402.2353v1","created_at":"2026-05-18T02:49:30.452636+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.2353","created_at":"2026-05-18T02:49:30.452636+00:00"},{"alias_kind":"pith_short_12","alias_value":"VPQ5XRAWNWVF","created_at":"2026-05-18T12:28:54.890064+00:00"},{"alias_kind":"pith_short_16","alias_value":"VPQ5XRAWNWVF3P2O","created_at":"2026-05-18T12:28:54.890064+00:00"},{"alias_kind":"pith_short_8","alias_value":"VPQ5XRAW","created_at":"2026-05-18T12:28:54.890064+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/VPQ5XRAWNWVF3P2ORIDBXYPVKG","json":"https://pith.science/pith/VPQ5XRAWNWVF3P2ORIDBXYPVKG.json","graph_json":"https://pith.science/api/pith-number/VPQ5XRAWNWVF3P2ORIDBXYPVKG/graph.json","events_json":"https://pith.science/api/pith-number/VPQ5XRAWNWVF3P2ORIDBXYPVKG/events.json","paper":"https://pith.science/paper/VPQ5XRAW"},"agent_actions":{"view_html":"https://pith.science/pith/VPQ5XRAWNWVF3P2ORIDBXYPVKG","download_json":"https://pith.science/pith/VPQ5XRAWNWVF3P2ORIDBXYPVKG.json","view_paper":"https://pith.science/paper/VPQ5XRAW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1402.2353&json=true","fetch_graph":"https://pith.science/api/pith-number/VPQ5XRAWNWVF3P2ORIDBXYPVKG/graph.json","fetch_events":"https://pith.science/api/pith-number/VPQ5XRAWNWVF3P2ORIDBXYPVKG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VPQ5XRAWNWVF3P2ORIDBXYPVKG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VPQ5XRAWNWVF3P2ORIDBXYPVKG/action/storage_attestation","attest_author":"https://pith.science/pith/VPQ5XRAWNWVF3P2ORIDBXYPVKG/action/author_attestation","sign_citation":"https://pith.science/pith/VPQ5XRAWNWVF3P2ORIDBXYPVKG/action/citation_signature","submit_replication":"https://pith.science/pith/VPQ5XRAWNWVF3P2ORIDBXYPVKG/action/replication_record"}},"created_at":"2026-05-18T02:49:30.452636+00:00","updated_at":"2026-05-18T02:49:30.452636+00:00"}