{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:PNDUVLXZG3HF7JQISX5QV3HDVG","short_pith_number":"pith:PNDUVLXZ","schema_version":"1.0","canonical_sha256":"7b474aaef936ce5fa60895fb0aece3a988fe3bfd964e10904920c1a44b61b44b","source":{"kind":"arxiv","id":"0802.0540","version":1},"attestation_state":"computed","paper":{"title":"VSOP Observations of the Blazar S5 2007+77","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Kraus, A. Witzel, J.A. Zensus, K. E. Gabanyi, T. P. Krichbaum","submitted_at":"2008-02-05T01:26:07Z","abstract_excerpt":"The blazar, S5 2007+77 shows intraday variability in cm wavelengths. Seven epochs of VSOP observations were carried out in 1998 and 1999 at 5 GHz to look for the origin of the variability with the highest achievable angular resolution at cm wavelengths. Here the results of four epochs are analysed, which revealed ~10% variations in polarized flux density."},"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":"0802.0540","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-02-05T01:26:07Z","cross_cats_sorted":[],"title_canon_sha256":"30df00eb45508ec2ad4994b35a91c9abde63d21f1b623bc3cb56dd66bf8e9005","abstract_canon_sha256":"df6310fee71efef91d61ade9f559415a2165f5a32df0aa0c58716767764ff79b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:12:23.066728Z","signature_b64":"HOtqTZ2ngknjISj5NebGQX7BNWu5xWT65qzQrA+17zN1j2XGug/Dq4uxf5k032IfJg6rtieXNNumYb8Nz1ZVCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b474aaef936ce5fa60895fb0aece3a988fe3bfd964e10904920c1a44b61b44b","last_reissued_at":"2026-05-18T03:12:23.065869Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:12:23.065869Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"VSOP Observations of the Blazar S5 2007+77","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Kraus, A. Witzel, J.A. Zensus, K. E. Gabanyi, T. P. Krichbaum","submitted_at":"2008-02-05T01:26:07Z","abstract_excerpt":"The blazar, S5 2007+77 shows intraday variability in cm wavelengths. Seven epochs of VSOP observations were carried out in 1998 and 1999 at 5 GHz to look for the origin of the variability with the highest achievable angular resolution at cm wavelengths. Here the results of four epochs are analysed, which revealed ~10% variations in polarized flux density."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0802.0540","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":"0802.0540","created_at":"2026-05-18T03:12:23.065973+00:00"},{"alias_kind":"arxiv_version","alias_value":"0802.0540v1","created_at":"2026-05-18T03:12:23.065973+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0802.0540","created_at":"2026-05-18T03:12:23.065973+00:00"},{"alias_kind":"pith_short_12","alias_value":"PNDUVLXZG3HF","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_16","alias_value":"PNDUVLXZG3HF7JQI","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_8","alias_value":"PNDUVLXZ","created_at":"2026-05-18T12:25:57.157939+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/PNDUVLXZG3HF7JQISX5QV3HDVG","json":"https://pith.science/pith/PNDUVLXZG3HF7JQISX5QV3HDVG.json","graph_json":"https://pith.science/api/pith-number/PNDUVLXZG3HF7JQISX5QV3HDVG/graph.json","events_json":"https://pith.science/api/pith-number/PNDUVLXZG3HF7JQISX5QV3HDVG/events.json","paper":"https://pith.science/paper/PNDUVLXZ"},"agent_actions":{"view_html":"https://pith.science/pith/PNDUVLXZG3HF7JQISX5QV3HDVG","download_json":"https://pith.science/pith/PNDUVLXZG3HF7JQISX5QV3HDVG.json","view_paper":"https://pith.science/paper/PNDUVLXZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0802.0540&json=true","fetch_graph":"https://pith.science/api/pith-number/PNDUVLXZG3HF7JQISX5QV3HDVG/graph.json","fetch_events":"https://pith.science/api/pith-number/PNDUVLXZG3HF7JQISX5QV3HDVG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PNDUVLXZG3HF7JQISX5QV3HDVG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PNDUVLXZG3HF7JQISX5QV3HDVG/action/storage_attestation","attest_author":"https://pith.science/pith/PNDUVLXZG3HF7JQISX5QV3HDVG/action/author_attestation","sign_citation":"https://pith.science/pith/PNDUVLXZG3HF7JQISX5QV3HDVG/action/citation_signature","submit_replication":"https://pith.science/pith/PNDUVLXZG3HF7JQISX5QV3HDVG/action/replication_record"}},"created_at":"2026-05-18T03:12:23.065973+00:00","updated_at":"2026-05-18T03:12:23.065973+00:00"}