{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1998:DX2BDUVAMJ3APNZQNFACKAFU4F","short_pith_number":"pith:DX2BDUVA","schema_version":"1.0","canonical_sha256":"1df411d2a0627607b73069402500b4e1500f7f497bb3b283c5f3a1d5135c7b68","source":{"kind":"arxiv","id":"astro-ph/9803172","version":1},"attestation_state":"computed","paper":{"title":"Cosmological Density Perturbations From A Quantum Gravitational Model Of Inflation","license":"","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph","authors_text":"(2) University of Crete), L. R. Abramo (1), N. C. Tsamis (2), R. P. Woodard (1) ((1) University of Florida at Gainesville","submitted_at":"1998-03-16T00:03:36Z","abstract_excerpt":"We derive the implications for anisotropies in the cosmic microwave background following from a model of inflation in which a bare cosmological constant is gradually screened by an infrared process in quantum gravity. The model predicts that the amplitude of scalar perturbations is $A_S = (2.0 \\pm .2) \\times 10^{-5}$, that the tensor-to-scalar ratio is $r \\approx 1.7 \\times 10^{-3}$, and that the scalar and tensor spectral indices are $n \\approx .97$ and $n_T \\approx -2.8 \\times 10^{-4}$, respectively. By comparing the model's power spectrum with the COBE 4-year RMS quadrupole, the mass scale "},"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":"astro-ph/9803172","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1998-03-16T00:03:36Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"860660ad41af37103f35133d8cd5eecc310beac3c2fd5f6033c0a5f3a7fba100","abstract_canon_sha256":"3de01286e71795082f7e750b4d6db83e5df9114f334b3eb261381b36e8397a74"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:14.290947Z","signature_b64":"EfdRe445w/1VpvRsezxX8um+mjWwSELH6pJevSbjj/dJ1RgQ7zsOAYmncKIzjyla0Z4zpwRFgNLsOPd6N0H5Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1df411d2a0627607b73069402500b4e1500f7f497bb3b283c5f3a1d5135c7b68","last_reissued_at":"2026-05-18T01:40:14.290265Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:14.290265Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Cosmological Density Perturbations From A Quantum Gravitational Model Of Inflation","license":"","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph","authors_text":"(2) University of Crete), L. R. Abramo (1), N. C. Tsamis (2), R. P. Woodard (1) ((1) University of Florida at Gainesville","submitted_at":"1998-03-16T00:03:36Z","abstract_excerpt":"We derive the implications for anisotropies in the cosmic microwave background following from a model of inflation in which a bare cosmological constant is gradually screened by an infrared process in quantum gravity. The model predicts that the amplitude of scalar perturbations is $A_S = (2.0 \\pm .2) \\times 10^{-5}$, that the tensor-to-scalar ratio is $r \\approx 1.7 \\times 10^{-3}$, and that the scalar and tensor spectral indices are $n \\approx .97$ and $n_T \\approx -2.8 \\times 10^{-4}$, respectively. By comparing the model's power spectrum with the COBE 4-year RMS quadrupole, the mass scale "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9803172","kind":"arxiv","version":1},"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":"astro-ph/9803172","created_at":"2026-05-18T01:40:14.290355+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9803172v1","created_at":"2026-05-18T01:40:14.290355+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9803172","created_at":"2026-05-18T01:40:14.290355+00:00"},{"alias_kind":"pith_short_12","alias_value":"DX2BDUVAMJ3A","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_16","alias_value":"DX2BDUVAMJ3APNZQ","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_8","alias_value":"DX2BDUVA","created_at":"2026-05-18T12:25:49.038998+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/DX2BDUVAMJ3APNZQNFACKAFU4F","json":"https://pith.science/pith/DX2BDUVAMJ3APNZQNFACKAFU4F.json","graph_json":"https://pith.science/api/pith-number/DX2BDUVAMJ3APNZQNFACKAFU4F/graph.json","events_json":"https://pith.science/api/pith-number/DX2BDUVAMJ3APNZQNFACKAFU4F/events.json","paper":"https://pith.science/paper/DX2BDUVA"},"agent_actions":{"view_html":"https://pith.science/pith/DX2BDUVAMJ3APNZQNFACKAFU4F","download_json":"https://pith.science/pith/DX2BDUVAMJ3APNZQNFACKAFU4F.json","view_paper":"https://pith.science/paper/DX2BDUVA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9803172&json=true","fetch_graph":"https://pith.science/api/pith-number/DX2BDUVAMJ3APNZQNFACKAFU4F/graph.json","fetch_events":"https://pith.science/api/pith-number/DX2BDUVAMJ3APNZQNFACKAFU4F/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DX2BDUVAMJ3APNZQNFACKAFU4F/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DX2BDUVAMJ3APNZQNFACKAFU4F/action/storage_attestation","attest_author":"https://pith.science/pith/DX2BDUVAMJ3APNZQNFACKAFU4F/action/author_attestation","sign_citation":"https://pith.science/pith/DX2BDUVAMJ3APNZQNFACKAFU4F/action/citation_signature","submit_replication":"https://pith.science/pith/DX2BDUVAMJ3APNZQNFACKAFU4F/action/replication_record"}},"created_at":"2026-05-18T01:40:14.290355+00:00","updated_at":"2026-05-18T01:40:14.290355+00:00"}