{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:OTSWJ6K2AR2BM45QKY3E5WVGVW","short_pith_number":"pith:OTSWJ6K2","schema_version":"1.0","canonical_sha256":"74e564f95a04741673b056364edaa6ad8756a43e0d23d89fd89380765244c3ee","source":{"kind":"arxiv","id":"1603.01206","version":2},"attestation_state":"computed","paper":{"title":"Violation of statistical isotropy and homogeneity in the 21-cm power spectrum","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Alvise Raccanelli, Julian B. Mu\\~noz, Marc Kamionkowski, Maresuke Shiraishi","submitted_at":"2016-03-03T18:14:03Z","abstract_excerpt":"Most inflationary models predict primordial perturbations to be statistically isotropic and homogeneous. Cosmic microwave background (CMB) observations, however, indicate a possible departure from statistical isotropy in the form of a dipolar power modulation at large angular scales. Alternative models of inflation, beyond the simplest single-field slow-roll models, can generate a small power asymmetry, consistent with these observations. Observations of clustering of quasars show, however, agreement with statistical isotropy at much smaller angular scales. Here, we propose to use off-diagonal"},"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":"1603.01206","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-03-03T18:14:03Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"2b097e44120b2560fefadaf0911907eee43b56393aa93e793e546ea436ba40d3","abstract_canon_sha256":"dfb65af96653dd8f32bbfe152805c2033b7fad4e6f59f4d4c62818ea6705e979"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:15:13.826928Z","signature_b64":"Xt8K84fYCNBtf1cqXo6fuZzrM2pZtAtrXAmMRdmZBIDS7X7Aun6L8JvF9fg52ucG1/Eyr2Gt1z26Wwi66L75Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"74e564f95a04741673b056364edaa6ad8756a43e0d23d89fd89380765244c3ee","last_reissued_at":"2026-05-18T01:15:13.826232Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:15:13.826232Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Violation of statistical isotropy and homogeneity in the 21-cm power spectrum","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Alvise Raccanelli, Julian B. Mu\\~noz, Marc Kamionkowski, Maresuke Shiraishi","submitted_at":"2016-03-03T18:14:03Z","abstract_excerpt":"Most inflationary models predict primordial perturbations to be statistically isotropic and homogeneous. Cosmic microwave background (CMB) observations, however, indicate a possible departure from statistical isotropy in the form of a dipolar power modulation at large angular scales. Alternative models of inflation, beyond the simplest single-field slow-roll models, can generate a small power asymmetry, consistent with these observations. Observations of clustering of quasars show, however, agreement with statistical isotropy at much smaller angular scales. Here, we propose to use off-diagonal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.01206","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":"1603.01206","created_at":"2026-05-18T01:15:13.826356+00:00"},{"alias_kind":"arxiv_version","alias_value":"1603.01206v2","created_at":"2026-05-18T01:15:13.826356+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.01206","created_at":"2026-05-18T01:15:13.826356+00:00"},{"alias_kind":"pith_short_12","alias_value":"OTSWJ6K2AR2B","created_at":"2026-05-18T12:30:36.002864+00:00"},{"alias_kind":"pith_short_16","alias_value":"OTSWJ6K2AR2BM45Q","created_at":"2026-05-18T12:30:36.002864+00:00"},{"alias_kind":"pith_short_8","alias_value":"OTSWJ6K2","created_at":"2026-05-18T12:30:36.002864+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/OTSWJ6K2AR2BM45QKY3E5WVGVW","json":"https://pith.science/pith/OTSWJ6K2AR2BM45QKY3E5WVGVW.json","graph_json":"https://pith.science/api/pith-number/OTSWJ6K2AR2BM45QKY3E5WVGVW/graph.json","events_json":"https://pith.science/api/pith-number/OTSWJ6K2AR2BM45QKY3E5WVGVW/events.json","paper":"https://pith.science/paper/OTSWJ6K2"},"agent_actions":{"view_html":"https://pith.science/pith/OTSWJ6K2AR2BM45QKY3E5WVGVW","download_json":"https://pith.science/pith/OTSWJ6K2AR2BM45QKY3E5WVGVW.json","view_paper":"https://pith.science/paper/OTSWJ6K2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1603.01206&json=true","fetch_graph":"https://pith.science/api/pith-number/OTSWJ6K2AR2BM45QKY3E5WVGVW/graph.json","fetch_events":"https://pith.science/api/pith-number/OTSWJ6K2AR2BM45QKY3E5WVGVW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OTSWJ6K2AR2BM45QKY3E5WVGVW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OTSWJ6K2AR2BM45QKY3E5WVGVW/action/storage_attestation","attest_author":"https://pith.science/pith/OTSWJ6K2AR2BM45QKY3E5WVGVW/action/author_attestation","sign_citation":"https://pith.science/pith/OTSWJ6K2AR2BM45QKY3E5WVGVW/action/citation_signature","submit_replication":"https://pith.science/pith/OTSWJ6K2AR2BM45QKY3E5WVGVW/action/replication_record"}},"created_at":"2026-05-18T01:15:13.826356+00:00","updated_at":"2026-05-18T01:15:13.826356+00:00"}