{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:HRP4H2IAIUCDCMCQNNARMFQ4QV","short_pith_number":"pith:HRP4H2IA","schema_version":"1.0","canonical_sha256":"3c5fc3e90045043130506b4116161c855e00cbf8b9457090c1566285818b070b","source":{"kind":"arxiv","id":"1212.4154","version":2},"attestation_state":"computed","paper":{"title":"The Degeneracy Problem in Non-Canonical Inflation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Brian A. Powell, Damien A. Easson","submitted_at":"2012-12-17T21:00:06Z","abstract_excerpt":"While attempting to connect inflationary theories to observational physics, a potential difficulty is the degeneracy problem: a single set of observables maps to a range of different inflaton potentials. Two important classes of models affected by the degeneracy problem are canonical and non-canonical models, the latter marked by the presence of a non-standard kinetic term that generates observables beyond the scalar and tensor two-point functions on CMB scales. The degeneracy problem is manifest when these distinguishing observables go undetected. We quantify the size of the resulting degener"},"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":"1212.4154","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-17T21:00:06Z","cross_cats_sorted":[],"title_canon_sha256":"95ec4f1b489b75cb6ad09c9fb688a0fe833a3e48848a1a529b1f1165d1a538d8","abstract_canon_sha256":"7888b6841d66096500600e1cdbfbcdd7a18e1805e5999144d982a85ace599da9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:31.312523Z","signature_b64":"xHHOKQHhD28XtqZTnZ/2T/p16wIzvBU20lQXgdk3AC/EFzZXm4bBG0oU/e9ImWOfo5FT+7nLgP+YmkWBipZpDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3c5fc3e90045043130506b4116161c855e00cbf8b9457090c1566285818b070b","last_reissued_at":"2026-05-18T01:52:31.312028Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:31.312028Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Degeneracy Problem in Non-Canonical Inflation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Brian A. Powell, Damien A. Easson","submitted_at":"2012-12-17T21:00:06Z","abstract_excerpt":"While attempting to connect inflationary theories to observational physics, a potential difficulty is the degeneracy problem: a single set of observables maps to a range of different inflaton potentials. Two important classes of models affected by the degeneracy problem are canonical and non-canonical models, the latter marked by the presence of a non-standard kinetic term that generates observables beyond the scalar and tensor two-point functions on CMB scales. The degeneracy problem is manifest when these distinguishing observables go undetected. We quantify the size of the resulting degener"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.4154","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":"1212.4154","created_at":"2026-05-18T01:52:31.312085+00:00"},{"alias_kind":"arxiv_version","alias_value":"1212.4154v2","created_at":"2026-05-18T01:52:31.312085+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.4154","created_at":"2026-05-18T01:52:31.312085+00:00"},{"alias_kind":"pith_short_12","alias_value":"HRP4H2IAIUCD","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_16","alias_value":"HRP4H2IAIUCDCMCQ","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_8","alias_value":"HRP4H2IA","created_at":"2026-05-18T12:27:09.501522+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/HRP4H2IAIUCDCMCQNNARMFQ4QV","json":"https://pith.science/pith/HRP4H2IAIUCDCMCQNNARMFQ4QV.json","graph_json":"https://pith.science/api/pith-number/HRP4H2IAIUCDCMCQNNARMFQ4QV/graph.json","events_json":"https://pith.science/api/pith-number/HRP4H2IAIUCDCMCQNNARMFQ4QV/events.json","paper":"https://pith.science/paper/HRP4H2IA"},"agent_actions":{"view_html":"https://pith.science/pith/HRP4H2IAIUCDCMCQNNARMFQ4QV","download_json":"https://pith.science/pith/HRP4H2IAIUCDCMCQNNARMFQ4QV.json","view_paper":"https://pith.science/paper/HRP4H2IA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1212.4154&json=true","fetch_graph":"https://pith.science/api/pith-number/HRP4H2IAIUCDCMCQNNARMFQ4QV/graph.json","fetch_events":"https://pith.science/api/pith-number/HRP4H2IAIUCDCMCQNNARMFQ4QV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HRP4H2IAIUCDCMCQNNARMFQ4QV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HRP4H2IAIUCDCMCQNNARMFQ4QV/action/storage_attestation","attest_author":"https://pith.science/pith/HRP4H2IAIUCDCMCQNNARMFQ4QV/action/author_attestation","sign_citation":"https://pith.science/pith/HRP4H2IAIUCDCMCQNNARMFQ4QV/action/citation_signature","submit_replication":"https://pith.science/pith/HRP4H2IAIUCDCMCQNNARMFQ4QV/action/replication_record"}},"created_at":"2026-05-18T01:52:31.312085+00:00","updated_at":"2026-05-18T01:52:31.312085+00:00"}