{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:U4CHSA32FKTFNKJCIVDTLT2DVE","short_pith_number":"pith:U4CHSA32","schema_version":"1.0","canonical_sha256":"a70479037a2aa656a922454735cf43a92cc04877fa4b5ba1cd1ecf5a402a1453","source":{"kind":"arxiv","id":"1010.0655","version":1},"attestation_state":"computed","paper":{"title":"Very Large Array observations of the 8 o'clock arc lens system: Radio emission and a limit on the star-formation rate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Filomena Volino, John P. McKean, Michael A. Garrett, Olaf Wucknitz","submitted_at":"2010-10-04T18:34:08Z","abstract_excerpt":"The 8 o'clock arc is a gravitationally lensed Lyman Break Galaxy (LBG) at redshift z=2.73 that has a star-formation rate (SFR) of 270 solar-mass/year (derived from optical and near-infrared spectroscopy). Taking the magnification of the system ~12 and the SFR into account, the expected flux density of any associated radio emission at 1.4 GHz is predicted to be just 0.1 mJy. However, the lens system is found to be coincident with a radio source detected in the NRAO Very Large Array (VLA) Sky Survey with a flux density of ~5 mJy. If this flux density is attributed to the lensed LBG then it would"},"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":"1010.0655","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-10-04T18:34:08Z","cross_cats_sorted":[],"title_canon_sha256":"889ab370cbea6a8cb5316c91ed382778a8ebcb6823c72770884d2f286d1d7ccb","abstract_canon_sha256":"5a02506991598cbb7a494c205643ed0c979fa43d5442f0d3f3fce5c060179403"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:11.778568Z","signature_b64":"MNKhsPNNez9wF1dqZIPveyUSsAZCNYOC6bhq+9wTJyT2VIeR7ZB0IYexenqnm5zm7LIwWY4MMnOMdAuE2u0zDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a70479037a2aa656a922454735cf43a92cc04877fa4b5ba1cd1ecf5a402a1453","last_reissued_at":"2026-05-18T02:05:11.777999Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:11.777999Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Very Large Array observations of the 8 o'clock arc lens system: Radio emission and a limit on the star-formation rate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Filomena Volino, John P. McKean, Michael A. Garrett, Olaf Wucknitz","submitted_at":"2010-10-04T18:34:08Z","abstract_excerpt":"The 8 o'clock arc is a gravitationally lensed Lyman Break Galaxy (LBG) at redshift z=2.73 that has a star-formation rate (SFR) of 270 solar-mass/year (derived from optical and near-infrared spectroscopy). Taking the magnification of the system ~12 and the SFR into account, the expected flux density of any associated radio emission at 1.4 GHz is predicted to be just 0.1 mJy. However, the lens system is found to be coincident with a radio source detected in the NRAO Very Large Array (VLA) Sky Survey with a flux density of ~5 mJy. If this flux density is attributed to the lensed LBG then it would"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.0655","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":"1010.0655","created_at":"2026-05-18T02:05:11.778075+00:00"},{"alias_kind":"arxiv_version","alias_value":"1010.0655v1","created_at":"2026-05-18T02:05:11.778075+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.0655","created_at":"2026-05-18T02:05:11.778075+00:00"},{"alias_kind":"pith_short_12","alias_value":"U4CHSA32FKTF","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_16","alias_value":"U4CHSA32FKTFNKJC","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_8","alias_value":"U4CHSA32","created_at":"2026-05-18T12:26:15.391820+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/U4CHSA32FKTFNKJCIVDTLT2DVE","json":"https://pith.science/pith/U4CHSA32FKTFNKJCIVDTLT2DVE.json","graph_json":"https://pith.science/api/pith-number/U4CHSA32FKTFNKJCIVDTLT2DVE/graph.json","events_json":"https://pith.science/api/pith-number/U4CHSA32FKTFNKJCIVDTLT2DVE/events.json","paper":"https://pith.science/paper/U4CHSA32"},"agent_actions":{"view_html":"https://pith.science/pith/U4CHSA32FKTFNKJCIVDTLT2DVE","download_json":"https://pith.science/pith/U4CHSA32FKTFNKJCIVDTLT2DVE.json","view_paper":"https://pith.science/paper/U4CHSA32","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1010.0655&json=true","fetch_graph":"https://pith.science/api/pith-number/U4CHSA32FKTFNKJCIVDTLT2DVE/graph.json","fetch_events":"https://pith.science/api/pith-number/U4CHSA32FKTFNKJCIVDTLT2DVE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/U4CHSA32FKTFNKJCIVDTLT2DVE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/U4CHSA32FKTFNKJCIVDTLT2DVE/action/storage_attestation","attest_author":"https://pith.science/pith/U4CHSA32FKTFNKJCIVDTLT2DVE/action/author_attestation","sign_citation":"https://pith.science/pith/U4CHSA32FKTFNKJCIVDTLT2DVE/action/citation_signature","submit_replication":"https://pith.science/pith/U4CHSA32FKTFNKJCIVDTLT2DVE/action/replication_record"}},"created_at":"2026-05-18T02:05:11.778075+00:00","updated_at":"2026-05-18T02:05:11.778075+00:00"}