{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:K4KVA5BLIBBUCUKQJKTRWV6CFS","short_pith_number":"pith:K4KVA5BL","schema_version":"1.0","canonical_sha256":"571550742b40434151504aa71b57c22c9765536f7c29ce3c275c5040feb52239","source":{"kind":"arxiv","id":"1302.3056","version":2},"attestation_state":"computed","paper":{"title":"Signatures of anisotropic sources in the squeezed-limit bispectrum of the cosmic microwave background","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Eiichiro Komatsu, Marco Peloso, Maresuke Shiraishi, Neil Barnaby","submitted_at":"2013-02-13T11:51:51Z","abstract_excerpt":"The bispectrum of primordial curvature perturbations in the squeezed configuration, in which one wavenumber, $k_3$, is much smaller than the other two, $k_3\\ll k_1\\approx k_2$, plays a special role in constraining the physics of inflation. In this paper we study a new phenomenological signature in the squeezed-limit bispectrum: namely, the amplitude of the squeezed-limit bispectrum depends on an angle between ${\\bf k}_1$ and ${\\bf k}_3$ such that $B_\\zeta(k_1, k_2, k_3) \\to 2 \\sum_L c_L P_L(\\hat{\\bf k}_1 \\cdot \\hat{\\bf k}_3) P_\\zeta(k_1)P_\\zeta(k_3)$, where $P_L$ are the Legendre polynomials. "},"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":"1302.3056","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-13T11:51:51Z","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"title_canon_sha256":"458d4fd3a1e7eb4b19a3000bc837bed08e44d64361b3e80a492d732b5f0a5974","abstract_canon_sha256":"0c4f8b723f8dc72a3bb20baf33716d4f7eb172249eb7ec272a544e510d13fdf2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:26:32.012377Z","signature_b64":"l/SVl4aL7wk/Frt47TgHP5vD7k+/WEJebmextKL+PXQd5v6wT4iUxBIkSTkDM2Ih21hN4uA1vKerh8WsFtLlAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"571550742b40434151504aa71b57c22c9765536f7c29ce3c275c5040feb52239","last_reissued_at":"2026-05-18T03:26:32.012005Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:26:32.012005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Signatures of anisotropic sources in the squeezed-limit bispectrum of the cosmic microwave background","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Eiichiro Komatsu, Marco Peloso, Maresuke Shiraishi, Neil Barnaby","submitted_at":"2013-02-13T11:51:51Z","abstract_excerpt":"The bispectrum of primordial curvature perturbations in the squeezed configuration, in which one wavenumber, $k_3$, is much smaller than the other two, $k_3\\ll k_1\\approx k_2$, plays a special role in constraining the physics of inflation. In this paper we study a new phenomenological signature in the squeezed-limit bispectrum: namely, the amplitude of the squeezed-limit bispectrum depends on an angle between ${\\bf k}_1$ and ${\\bf k}_3$ such that $B_\\zeta(k_1, k_2, k_3) \\to 2 \\sum_L c_L P_L(\\hat{\\bf k}_1 \\cdot \\hat{\\bf k}_3) P_\\zeta(k_1)P_\\zeta(k_3)$, where $P_L$ are the Legendre polynomials. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.3056","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":"1302.3056","created_at":"2026-05-18T03:26:32.012067+00:00"},{"alias_kind":"arxiv_version","alias_value":"1302.3056v2","created_at":"2026-05-18T03:26:32.012067+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.3056","created_at":"2026-05-18T03:26:32.012067+00:00"},{"alias_kind":"pith_short_12","alias_value":"K4KVA5BLIBBU","created_at":"2026-05-18T12:27:49.015174+00:00"},{"alias_kind":"pith_short_16","alias_value":"K4KVA5BLIBBUCUKQ","created_at":"2026-05-18T12:27:49.015174+00:00"},{"alias_kind":"pith_short_8","alias_value":"K4KVA5BL","created_at":"2026-05-18T12:27:49.015174+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/K4KVA5BLIBBUCUKQJKTRWV6CFS","json":"https://pith.science/pith/K4KVA5BLIBBUCUKQJKTRWV6CFS.json","graph_json":"https://pith.science/api/pith-number/K4KVA5BLIBBUCUKQJKTRWV6CFS/graph.json","events_json":"https://pith.science/api/pith-number/K4KVA5BLIBBUCUKQJKTRWV6CFS/events.json","paper":"https://pith.science/paper/K4KVA5BL"},"agent_actions":{"view_html":"https://pith.science/pith/K4KVA5BLIBBUCUKQJKTRWV6CFS","download_json":"https://pith.science/pith/K4KVA5BLIBBUCUKQJKTRWV6CFS.json","view_paper":"https://pith.science/paper/K4KVA5BL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1302.3056&json=true","fetch_graph":"https://pith.science/api/pith-number/K4KVA5BLIBBUCUKQJKTRWV6CFS/graph.json","fetch_events":"https://pith.science/api/pith-number/K4KVA5BLIBBUCUKQJKTRWV6CFS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/K4KVA5BLIBBUCUKQJKTRWV6CFS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/K4KVA5BLIBBUCUKQJKTRWV6CFS/action/storage_attestation","attest_author":"https://pith.science/pith/K4KVA5BLIBBUCUKQJKTRWV6CFS/action/author_attestation","sign_citation":"https://pith.science/pith/K4KVA5BLIBBUCUKQJKTRWV6CFS/action/citation_signature","submit_replication":"https://pith.science/pith/K4KVA5BLIBBUCUKQJKTRWV6CFS/action/replication_record"}},"created_at":"2026-05-18T03:26:32.012067+00:00","updated_at":"2026-05-18T03:26:32.012067+00:00"}