{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:TUZPNUSQZ7FHDDQ23I4XNTM4KZ","short_pith_number":"pith:TUZPNUSQ","schema_version":"1.0","canonical_sha256":"9d32f6d250cfca718e1ada3976cd9c56415da2544eebfb9168155c5677094d31","source":{"kind":"arxiv","id":"1303.4497","version":2},"attestation_state":"computed","paper":{"title":"Constraints on single-field inflation with WMAP, SPT and ACT data -- A last-minute stand before Planck","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Cheng cheng, Qing-Guo Huang, Yin-Zhe Ma","submitted_at":"2013-03-19T06:58:13Z","abstract_excerpt":"We constrain models of single field inflation with the pre-\\textit{Planck} CMB data. The data used here is the 9-year Wilkinson Microwave Anisotropy Probe (\\textit{WMAP}) data, South Pole Telescope (SPT) data and Atacama Cosmology Telescope (ACT) data. By adding in running of spectral index parameter, we find that the $\\chi^2$ is improved by a factor of $\\Delta \\chi^2=8.44$, which strongly indicates the preference of this parameter from current data. In addition, we find that the running of spectral index $\\alpha_s$ does not change very much even if we switch to different pivot scales, which s"},"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":"1303.4497","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-03-19T06:58:13Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"e981a6ed91127103c5d1d7c3117132610c040032ef759c2bc54ec9dd3499f401","abstract_canon_sha256":"326dd863eab82f487747a2fee36977d0ef16e8108fbe654439d37d230452cf77"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:00.926637Z","signature_b64":"zMQ6V3tR2UauN/WF65htwaKSbLmHcos1YpA6H4iMRY3/TUdWq93qT1kQKhov9CYRmszigDHn0RFGiNMjwRC8DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d32f6d250cfca718e1ada3976cd9c56415da2544eebfb9168155c5677094d31","last_reissued_at":"2026-05-18T01:51:00.925958Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:00.925958Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constraints on single-field inflation with WMAP, SPT and ACT data -- A last-minute stand before Planck","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Cheng cheng, Qing-Guo Huang, Yin-Zhe Ma","submitted_at":"2013-03-19T06:58:13Z","abstract_excerpt":"We constrain models of single field inflation with the pre-\\textit{Planck} CMB data. The data used here is the 9-year Wilkinson Microwave Anisotropy Probe (\\textit{WMAP}) data, South Pole Telescope (SPT) data and Atacama Cosmology Telescope (ACT) data. By adding in running of spectral index parameter, we find that the $\\chi^2$ is improved by a factor of $\\Delta \\chi^2=8.44$, which strongly indicates the preference of this parameter from current data. In addition, we find that the running of spectral index $\\alpha_s$ does not change very much even if we switch to different pivot scales, which s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.4497","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":"1303.4497","created_at":"2026-05-18T01:51:00.926068+00:00"},{"alias_kind":"arxiv_version","alias_value":"1303.4497v2","created_at":"2026-05-18T01:51:00.926068+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.4497","created_at":"2026-05-18T01:51:00.926068+00:00"},{"alias_kind":"pith_short_12","alias_value":"TUZPNUSQZ7FH","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_16","alias_value":"TUZPNUSQZ7FHDDQ2","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_8","alias_value":"TUZPNUSQ","created_at":"2026-05-18T12:28:02.375192+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/TUZPNUSQZ7FHDDQ23I4XNTM4KZ","json":"https://pith.science/pith/TUZPNUSQZ7FHDDQ23I4XNTM4KZ.json","graph_json":"https://pith.science/api/pith-number/TUZPNUSQZ7FHDDQ23I4XNTM4KZ/graph.json","events_json":"https://pith.science/api/pith-number/TUZPNUSQZ7FHDDQ23I4XNTM4KZ/events.json","paper":"https://pith.science/paper/TUZPNUSQ"},"agent_actions":{"view_html":"https://pith.science/pith/TUZPNUSQZ7FHDDQ23I4XNTM4KZ","download_json":"https://pith.science/pith/TUZPNUSQZ7FHDDQ23I4XNTM4KZ.json","view_paper":"https://pith.science/paper/TUZPNUSQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1303.4497&json=true","fetch_graph":"https://pith.science/api/pith-number/TUZPNUSQZ7FHDDQ23I4XNTM4KZ/graph.json","fetch_events":"https://pith.science/api/pith-number/TUZPNUSQZ7FHDDQ23I4XNTM4KZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TUZPNUSQZ7FHDDQ23I4XNTM4KZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TUZPNUSQZ7FHDDQ23I4XNTM4KZ/action/storage_attestation","attest_author":"https://pith.science/pith/TUZPNUSQZ7FHDDQ23I4XNTM4KZ/action/author_attestation","sign_citation":"https://pith.science/pith/TUZPNUSQZ7FHDDQ23I4XNTM4KZ/action/citation_signature","submit_replication":"https://pith.science/pith/TUZPNUSQZ7FHDDQ23I4XNTM4KZ/action/replication_record"}},"created_at":"2026-05-18T01:51:00.926068+00:00","updated_at":"2026-05-18T01:51:00.926068+00:00"}