{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:QZQBZRSJXO3EYTJ4R5Y224R2TP","short_pith_number":"pith:QZQBZRSJ","schema_version":"1.0","canonical_sha256":"86601cc649bbb64c4d3c8f71ad723a9bddc00d88a99536d113599befb9dc3f28","source":{"kind":"arxiv","id":"1106.3087","version":2},"attestation_state":"computed","paper":{"title":"SPIDER: Probing the Early Universe with a Suborbital Polarimeter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. A. Fraisse, A. D. Turner, A. S. Rahlin, A. Trangsrud, B. Burger, B. P. Crill, C. B. Netterfield, C. J. MacTavish, C. L. Kuo, C. N. Clark, C. R. Contaldi, C. Reintsema, C. Tucker, D. T. O'Dea, D. Wiebe, G. Davis, G. Hilton, H. C. Chiang, J. A. Bonetti, J. A. Shariff, J. D. Soler, J. E. Gudmundsson, J. E. Ruhl, J. J. Bock, J. P. Filippini, J. R. Bond, K. Irwin, L. M. Fissel, M. Amiri, M. A. Schenker, M. C. Runyan, M. Farhang, M. Hasselfield, N. N. Gandilo, O. Dor\\'e, P. A. R. Ade, P. V. Mason, R. S. Tucker, S. Bryan, S. Golwala, S. J. Benton, T. A. Morford, T. E. Montroy, V. V. Hristov, W. C. Jones, W. Holmes","submitted_at":"2011-06-15T20:05:09Z","abstract_excerpt":"We evaluate the ability of SPIDER, a balloon-borne polarimeter, to detect a divergence-free polarization pattern (\"B-modes\") in the Cosmic Microwave Background (CMB). In the inflationary scenario, the amplitude of this signal is proportional to that of the primordial scalar perturbations through the tensor-to-scalar ratio r. We show that the expected level of systematic error in the SPIDER instrument is significantly below the amplitude of an interesting cosmological signal with r=0.03. We present a scanning strategy that enables us to minimize uncertainty in the reconstruction of the Stokes p"},"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":"1106.3087","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-06-15T20:05:09Z","cross_cats_sorted":[],"title_canon_sha256":"a2a9afe29b52505df263ec71ebee6b282de927e176e9947640b52c4e307083d5","abstract_canon_sha256":"b79f7e6c74651b07c600f5a39af53578509e4d94d4e7860c3d81dc6b12a9bcb4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:26:39.697645Z","signature_b64":"Sagg/SI0WCgiZCJkOkPOg8+SQclYMYEzh0WFNWMEgSGJKlvRBez4My4GiPlQ6sByJFSTM6MxQ7IkDIEnp85oBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"86601cc649bbb64c4d3c8f71ad723a9bddc00d88a99536d113599befb9dc3f28","last_reissued_at":"2026-05-18T03:26:39.697124Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:26:39.697124Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"SPIDER: Probing the Early Universe with a Suborbital Polarimeter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. A. Fraisse, A. D. Turner, A. S. Rahlin, A. Trangsrud, B. Burger, B. P. Crill, C. B. Netterfield, C. J. MacTavish, C. L. Kuo, C. N. Clark, C. R. Contaldi, C. Reintsema, C. Tucker, D. T. O'Dea, D. Wiebe, G. Davis, G. Hilton, H. C. Chiang, J. A. Bonetti, J. A. Shariff, J. D. Soler, J. E. Gudmundsson, J. E. Ruhl, J. J. Bock, J. P. Filippini, J. R. Bond, K. Irwin, L. M. Fissel, M. Amiri, M. A. Schenker, M. C. Runyan, M. Farhang, M. Hasselfield, N. N. Gandilo, O. Dor\\'e, P. A. R. Ade, P. V. Mason, R. S. Tucker, S. Bryan, S. Golwala, S. J. Benton, T. A. Morford, T. E. Montroy, V. V. Hristov, W. C. Jones, W. Holmes","submitted_at":"2011-06-15T20:05:09Z","abstract_excerpt":"We evaluate the ability of SPIDER, a balloon-borne polarimeter, to detect a divergence-free polarization pattern (\"B-modes\") in the Cosmic Microwave Background (CMB). In the inflationary scenario, the amplitude of this signal is proportional to that of the primordial scalar perturbations through the tensor-to-scalar ratio r. We show that the expected level of systematic error in the SPIDER instrument is significantly below the amplitude of an interesting cosmological signal with r=0.03. We present a scanning strategy that enables us to minimize uncertainty in the reconstruction of the Stokes p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.3087","kind":"arxiv","version":2},"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":"1106.3087","created_at":"2026-05-18T03:26:39.697206+00:00"},{"alias_kind":"arxiv_version","alias_value":"1106.3087v2","created_at":"2026-05-18T03:26:39.697206+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.3087","created_at":"2026-05-18T03:26:39.697206+00:00"},{"alias_kind":"pith_short_12","alias_value":"QZQBZRSJXO3E","created_at":"2026-05-18T12:26:39.201973+00:00"},{"alias_kind":"pith_short_16","alias_value":"QZQBZRSJXO3EYTJ4","created_at":"2026-05-18T12:26:39.201973+00:00"},{"alias_kind":"pith_short_8","alias_value":"QZQBZRSJ","created_at":"2026-05-18T12:26:39.201973+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.23489","citing_title":"A comparison between Galactic magnetic field models and polarized synchrotron emission with C-BASS at 4.76 GHz and S-PASS at 2.3 GHz","ref_index":167,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QZQBZRSJXO3EYTJ4R5Y224R2TP","json":"https://pith.science/pith/QZQBZRSJXO3EYTJ4R5Y224R2TP.json","graph_json":"https://pith.science/api/pith-number/QZQBZRSJXO3EYTJ4R5Y224R2TP/graph.json","events_json":"https://pith.science/api/pith-number/QZQBZRSJXO3EYTJ4R5Y224R2TP/events.json","paper":"https://pith.science/paper/QZQBZRSJ"},"agent_actions":{"view_html":"https://pith.science/pith/QZQBZRSJXO3EYTJ4R5Y224R2TP","download_json":"https://pith.science/pith/QZQBZRSJXO3EYTJ4R5Y224R2TP.json","view_paper":"https://pith.science/paper/QZQBZRSJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1106.3087&json=true","fetch_graph":"https://pith.science/api/pith-number/QZQBZRSJXO3EYTJ4R5Y224R2TP/graph.json","fetch_events":"https://pith.science/api/pith-number/QZQBZRSJXO3EYTJ4R5Y224R2TP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QZQBZRSJXO3EYTJ4R5Y224R2TP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QZQBZRSJXO3EYTJ4R5Y224R2TP/action/storage_attestation","attest_author":"https://pith.science/pith/QZQBZRSJXO3EYTJ4R5Y224R2TP/action/author_attestation","sign_citation":"https://pith.science/pith/QZQBZRSJXO3EYTJ4R5Y224R2TP/action/citation_signature","submit_replication":"https://pith.science/pith/QZQBZRSJXO3EYTJ4R5Y224R2TP/action/replication_record"}},"created_at":"2026-05-18T03:26:39.697206+00:00","updated_at":"2026-05-18T03:26:39.697206+00:00"}