{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:BNMIBBKVQ7GXSHGN3R5VXITDBK","short_pith_number":"pith:BNMIBBKV","schema_version":"1.0","canonical_sha256":"0b5880855587cd791ccddc7b5ba2630ab45ccc8bf46239445a887aee6a75493c","source":{"kind":"arxiv","id":"1003.4763","version":2},"attestation_state":"computed","paper":{"title":"Harrison-Z'eldovich primordial spectrum is consistent with observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"A. Cooray, A. Melchiorri, E. Giusarma, E. W. Kolb, O. Mena, P. Serra, S. Pandolfi","submitted_at":"2010-03-24T22:07:47Z","abstract_excerpt":"Inflation predicts primordial scalar perturbations with a nearly scale-invariant spectrum and a spectral index approximately unity (the Harrison--Zel'dovich (HZ) spectrum).  The first important step for inflationary cosmology is to check the consistency of the HZ primordial spectrum with current observations. Recent analyses have claimed that a HZ primordial spectrum is excluded at more than 99% c.l..  Here we show that the HZ spectrum is only marginally disfavored if one considers a more general reionization scenario. Data from the Planck mission will settle the issue."},"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":"1003.4763","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-03-24T22:07:47Z","cross_cats_sorted":["astro-ph.HE","gr-qc","hep-ph"],"title_canon_sha256":"767a09a1ede0a80d3d541846b476021555efb8205fdce4a50a0e04c251436b36","abstract_canon_sha256":"481964a1b1fe4c4841a9bc8b74affb9ad5bfda152ddfb5cbe3898f6e815abc33"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:38:17.138220Z","signature_b64":"gjLgL+2neblLKKAiqf773cczUOwZENR+6c+oCENw3+lU/ZcdYibAGIYXKgGJ5E5venLiEw124/WxX8p0ESOICg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0b5880855587cd791ccddc7b5ba2630ab45ccc8bf46239445a887aee6a75493c","last_reissued_at":"2026-05-18T04:38:17.137577Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:38:17.137577Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Harrison-Z'eldovich primordial spectrum is consistent with observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"A. Cooray, A. Melchiorri, E. Giusarma, E. W. Kolb, O. Mena, P. Serra, S. Pandolfi","submitted_at":"2010-03-24T22:07:47Z","abstract_excerpt":"Inflation predicts primordial scalar perturbations with a nearly scale-invariant spectrum and a spectral index approximately unity (the Harrison--Zel'dovich (HZ) spectrum).  The first important step for inflationary cosmology is to check the consistency of the HZ primordial spectrum with current observations. Recent analyses have claimed that a HZ primordial spectrum is excluded at more than 99% c.l..  Here we show that the HZ spectrum is only marginally disfavored if one considers a more general reionization scenario. Data from the Planck mission will settle the issue."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.4763","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":"1003.4763","created_at":"2026-05-18T04:38:17.137693+00:00"},{"alias_kind":"arxiv_version","alias_value":"1003.4763v2","created_at":"2026-05-18T04:38:17.137693+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.4763","created_at":"2026-05-18T04:38:17.137693+00:00"},{"alias_kind":"pith_short_12","alias_value":"BNMIBBKVQ7GX","created_at":"2026-05-18T12:26:05.355336+00:00"},{"alias_kind":"pith_short_16","alias_value":"BNMIBBKVQ7GXSHGN","created_at":"2026-05-18T12:26:05.355336+00:00"},{"alias_kind":"pith_short_8","alias_value":"BNMIBBKV","created_at":"2026-05-18T12:26:05.355336+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/BNMIBBKVQ7GXSHGN3R5VXITDBK","json":"https://pith.science/pith/BNMIBBKVQ7GXSHGN3R5VXITDBK.json","graph_json":"https://pith.science/api/pith-number/BNMIBBKVQ7GXSHGN3R5VXITDBK/graph.json","events_json":"https://pith.science/api/pith-number/BNMIBBKVQ7GXSHGN3R5VXITDBK/events.json","paper":"https://pith.science/paper/BNMIBBKV"},"agent_actions":{"view_html":"https://pith.science/pith/BNMIBBKVQ7GXSHGN3R5VXITDBK","download_json":"https://pith.science/pith/BNMIBBKVQ7GXSHGN3R5VXITDBK.json","view_paper":"https://pith.science/paper/BNMIBBKV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1003.4763&json=true","fetch_graph":"https://pith.science/api/pith-number/BNMIBBKVQ7GXSHGN3R5VXITDBK/graph.json","fetch_events":"https://pith.science/api/pith-number/BNMIBBKVQ7GXSHGN3R5VXITDBK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BNMIBBKVQ7GXSHGN3R5VXITDBK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BNMIBBKVQ7GXSHGN3R5VXITDBK/action/storage_attestation","attest_author":"https://pith.science/pith/BNMIBBKVQ7GXSHGN3R5VXITDBK/action/author_attestation","sign_citation":"https://pith.science/pith/BNMIBBKVQ7GXSHGN3R5VXITDBK/action/citation_signature","submit_replication":"https://pith.science/pith/BNMIBBKVQ7GXSHGN3R5VXITDBK/action/replication_record"}},"created_at":"2026-05-18T04:38:17.137693+00:00","updated_at":"2026-05-18T04:38:17.137693+00:00"}