{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:MYUT2QMFQLTGTU3P7VA7G76CXG","short_pith_number":"pith:MYUT2QMF","schema_version":"1.0","canonical_sha256":"66293d418582e669d36ffd41f37fc2b9b31f83ef754f2815d26fb7e6385f1020","source":{"kind":"arxiv","id":"1707.05125","version":2},"attestation_state":"computed","paper":{"title":"Primordial perturbations from inflation with a hyperbolic field-space","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc","hep-ph"],"primary_cat":"hep-th","authors_text":"Shinji Mukohyama, Shuntaro Mizuno","submitted_at":"2017-07-17T12:53:24Z","abstract_excerpt":"We study primordial perturbations from hyperinflation, proposed recently and based on a hyperbolic field-space. In the previous work, it was shown that the field-space angular momentum supported by the negative curvature modifies the background dynamics and enhances fluctuations of the scalar fields qualitatively, assuming that the inflationary background is almost de Sitter. In this work, we confirm and extend the analysis based on the standard approach of cosmological perturbation in multi-field inflation. At the background level, to quantify the deviation from de Sitter, we introduce the sl"},"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":"1707.05125","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-07-17T12:53:24Z","cross_cats_sorted":["astro-ph.CO","gr-qc","hep-ph"],"title_canon_sha256":"d4d12a564e389c7c06ea4228b5225c694ab96bb6068b6267856263cba7b545cd","abstract_canon_sha256":"804596e96845a201d19209905b79c4211c4250f8e63b89e156628d6f108a708e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:35.309177Z","signature_b64":"z2UhLQy5eHfHezufeuTQz2RRNKFSuMmrqbvkgzi9/YYbJfDjkz8Hj8ppz/PXUCNyziwV3Xmsc+9sUAaVXvQaBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"66293d418582e669d36ffd41f37fc2b9b31f83ef754f2815d26fb7e6385f1020","last_reissued_at":"2026-05-18T00:28:35.308439Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:35.308439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Primordial perturbations from inflation with a hyperbolic field-space","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc","hep-ph"],"primary_cat":"hep-th","authors_text":"Shinji Mukohyama, Shuntaro Mizuno","submitted_at":"2017-07-17T12:53:24Z","abstract_excerpt":"We study primordial perturbations from hyperinflation, proposed recently and based on a hyperbolic field-space. In the previous work, it was shown that the field-space angular momentum supported by the negative curvature modifies the background dynamics and enhances fluctuations of the scalar fields qualitatively, assuming that the inflationary background is almost de Sitter. In this work, we confirm and extend the analysis based on the standard approach of cosmological perturbation in multi-field inflation. At the background level, to quantify the deviation from de Sitter, we introduce the sl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.05125","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":"1707.05125","created_at":"2026-05-18T00:28:35.308573+00:00"},{"alias_kind":"arxiv_version","alias_value":"1707.05125v2","created_at":"2026-05-18T00:28:35.308573+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.05125","created_at":"2026-05-18T00:28:35.308573+00:00"},{"alias_kind":"pith_short_12","alias_value":"MYUT2QMFQLTG","created_at":"2026-05-18T12:31:31.346846+00:00"},{"alias_kind":"pith_short_16","alias_value":"MYUT2QMFQLTGTU3P","created_at":"2026-05-18T12:31:31.346846+00:00"},{"alias_kind":"pith_short_8","alias_value":"MYUT2QMF","created_at":"2026-05-18T12:31:31.346846+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/MYUT2QMFQLTGTU3P7VA7G76CXG","json":"https://pith.science/pith/MYUT2QMFQLTGTU3P7VA7G76CXG.json","graph_json":"https://pith.science/api/pith-number/MYUT2QMFQLTGTU3P7VA7G76CXG/graph.json","events_json":"https://pith.science/api/pith-number/MYUT2QMFQLTGTU3P7VA7G76CXG/events.json","paper":"https://pith.science/paper/MYUT2QMF"},"agent_actions":{"view_html":"https://pith.science/pith/MYUT2QMFQLTGTU3P7VA7G76CXG","download_json":"https://pith.science/pith/MYUT2QMFQLTGTU3P7VA7G76CXG.json","view_paper":"https://pith.science/paper/MYUT2QMF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1707.05125&json=true","fetch_graph":"https://pith.science/api/pith-number/MYUT2QMFQLTGTU3P7VA7G76CXG/graph.json","fetch_events":"https://pith.science/api/pith-number/MYUT2QMFQLTGTU3P7VA7G76CXG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MYUT2QMFQLTGTU3P7VA7G76CXG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MYUT2QMFQLTGTU3P7VA7G76CXG/action/storage_attestation","attest_author":"https://pith.science/pith/MYUT2QMFQLTGTU3P7VA7G76CXG/action/author_attestation","sign_citation":"https://pith.science/pith/MYUT2QMFQLTGTU3P7VA7G76CXG/action/citation_signature","submit_replication":"https://pith.science/pith/MYUT2QMFQLTGTU3P7VA7G76CXG/action/replication_record"}},"created_at":"2026-05-18T00:28:35.308573+00:00","updated_at":"2026-05-18T00:28:35.308573+00:00"}