{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:URSB7QZAI6VPNX3GJCREFJIPRQ","short_pith_number":"pith:URSB7QZA","canonical_record":{"source":{"id":"1812.08492","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-12-20T11:31:47Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"99657c14c014f90eb6da859cdc3676316ba5873eac46206867ceaab3a912167d","abstract_canon_sha256":"829554169cc3590dc4e8adfef87b3792a8957da2d714f9865dc55e60e11c562a"},"schema_version":"1.0"},"canonical_sha256":"a4641fc32047aaf6df6648a242a50f8c1838bd183bae0ab590cc0d6bbd74559f","source":{"kind":"arxiv","id":"1812.08492","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.08492","created_at":"2026-05-17T23:47:26Z"},{"alias_kind":"arxiv_version","alias_value":"1812.08492v3","created_at":"2026-05-17T23:47:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.08492","created_at":"2026-05-17T23:47:26Z"},{"alias_kind":"pith_short_12","alias_value":"URSB7QZAI6VP","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"URSB7QZAI6VPNX3G","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"URSB7QZA","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:URSB7QZAI6VPNX3GJCREFJIPRQ","target":"record","payload":{"canonical_record":{"source":{"id":"1812.08492","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-12-20T11:31:47Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"99657c14c014f90eb6da859cdc3676316ba5873eac46206867ceaab3a912167d","abstract_canon_sha256":"829554169cc3590dc4e8adfef87b3792a8957da2d714f9865dc55e60e11c562a"},"schema_version":"1.0"},"canonical_sha256":"a4641fc32047aaf6df6648a242a50f8c1838bd183bae0ab590cc0d6bbd74559f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:26.945208Z","signature_b64":"A9KzVAvrjls9hCl8RuuU20uk9+6d109WC9OtWUKsjiulTsbljdfmp3NkhveSzngOycBWOOKC3AI8FSrzc86mCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a4641fc32047aaf6df6648a242a50f8c1838bd183bae0ab590cc0d6bbd74559f","last_reissued_at":"2026-05-17T23:47:26.944501Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:26.944501Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.08492","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:47:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A5C4CSEm8lkzO16IR1KD3xpp++hSU80iS3rmQciTB2nbL/7EFaINP+4DC5WRKligNfcD4TpZWidbXnC3P320AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T19:52:49.230210Z"},"content_sha256":"34d28f7fee3a8c7be2fc15f488dff91aecc3e07b3f17d4b9b12453de8103cfcb","schema_version":"1.0","event_id":"sha256:34d28f7fee3a8c7be2fc15f488dff91aecc3e07b3f17d4b9b12453de8103cfcb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:URSB7QZAI6VPNX3GJCREFJIPRQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards distinguishing variants of non-minimal inflation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Tommi Tenkanen, Tomo Takahashi","submitted_at":"2018-12-20T11:31:47Z","abstract_excerpt":"We study models of inflation where the scalar field $\\phi$ that drives inflation is coupled non-minimally to gravity via $\\xi \\phi^2 R$, or where the gravity sector is enlarged by an $R^2$ term. We consider the original Higgs inflation, Starobinsky inflation, and two different versions of a scenario where the inflaton is a scalar field other than the Higgs, and discuss if they can be distinguished from each other by measuring the tensor-to-scalar ratio and runnings of the spectral index of primordial curvature perturbations, on top of the amplitude and spectral index of the perturbations. We c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.08492","kind":"arxiv","version":3},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:47:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nII70Sfal/iwsmzvGGkClsy5jCS7wIJSGIQbnEAV7mtvEhXG0f5YncHScwjMD1Q3g32ke05N5wfNr6Gqrx7QDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T19:52:49.230673Z"},"content_sha256":"da55ee3440f158c47b3d44c4021a4bfb0d479e57b24aae0413caf7601471cb31","schema_version":"1.0","event_id":"sha256:da55ee3440f158c47b3d44c4021a4bfb0d479e57b24aae0413caf7601471cb31"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/URSB7QZAI6VPNX3GJCREFJIPRQ/bundle.json","state_url":"https://pith.science/pith/URSB7QZAI6VPNX3GJCREFJIPRQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/URSB7QZAI6VPNX3GJCREFJIPRQ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-10T19:52:49Z","links":{"resolver":"https://pith.science/pith/URSB7QZAI6VPNX3GJCREFJIPRQ","bundle":"https://pith.science/pith/URSB7QZAI6VPNX3GJCREFJIPRQ/bundle.json","state":"https://pith.science/pith/URSB7QZAI6VPNX3GJCREFJIPRQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/URSB7QZAI6VPNX3GJCREFJIPRQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:URSB7QZAI6VPNX3GJCREFJIPRQ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"829554169cc3590dc4e8adfef87b3792a8957da2d714f9865dc55e60e11c562a","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-12-20T11:31:47Z","title_canon_sha256":"99657c14c014f90eb6da859cdc3676316ba5873eac46206867ceaab3a912167d"},"schema_version":"1.0","source":{"id":"1812.08492","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.08492","created_at":"2026-05-17T23:47:26Z"},{"alias_kind":"arxiv_version","alias_value":"1812.08492v3","created_at":"2026-05-17T23:47:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.08492","created_at":"2026-05-17T23:47:26Z"},{"alias_kind":"pith_short_12","alias_value":"URSB7QZAI6VP","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"URSB7QZAI6VPNX3G","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"URSB7QZA","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:da55ee3440f158c47b3d44c4021a4bfb0d479e57b24aae0413caf7601471cb31","target":"graph","created_at":"2026-05-17T23:47:26Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We study models of inflation where the scalar field $\\phi$ that drives inflation is coupled non-minimally to gravity via $\\xi \\phi^2 R$, or where the gravity sector is enlarged by an $R^2$ term. We consider the original Higgs inflation, Starobinsky inflation, and two different versions of a scenario where the inflaton is a scalar field other than the Higgs, and discuss if they can be distinguished from each other by measuring the tensor-to-scalar ratio and runnings of the spectral index of primordial curvature perturbations, on top of the amplitude and spectral index of the perturbations. We c","authors_text":"Tommi Tenkanen, Tomo Takahashi","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-12-20T11:31:47Z","title":"Towards distinguishing variants of non-minimal inflation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.08492","kind":"arxiv","version":3},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:34d28f7fee3a8c7be2fc15f488dff91aecc3e07b3f17d4b9b12453de8103cfcb","target":"record","created_at":"2026-05-17T23:47:26Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"829554169cc3590dc4e8adfef87b3792a8957da2d714f9865dc55e60e11c562a","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-12-20T11:31:47Z","title_canon_sha256":"99657c14c014f90eb6da859cdc3676316ba5873eac46206867ceaab3a912167d"},"schema_version":"1.0","source":{"id":"1812.08492","kind":"arxiv","version":3}},"canonical_sha256":"a4641fc32047aaf6df6648a242a50f8c1838bd183bae0ab590cc0d6bbd74559f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a4641fc32047aaf6df6648a242a50f8c1838bd183bae0ab590cc0d6bbd74559f","first_computed_at":"2026-05-17T23:47:26.944501Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:26.944501Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A9KzVAvrjls9hCl8RuuU20uk9+6d109WC9OtWUKsjiulTsbljdfmp3NkhveSzngOycBWOOKC3AI8FSrzc86mCg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:26.945208Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.08492","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:34d28f7fee3a8c7be2fc15f488dff91aecc3e07b3f17d4b9b12453de8103cfcb","sha256:da55ee3440f158c47b3d44c4021a4bfb0d479e57b24aae0413caf7601471cb31"],"state_sha256":"1baf3e2f17d48024c6b2ba953abc4d748352ac72cc8bd3b4b9429152a70b7c56"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"doGuO/ynasjvQ5O49iYLP2jDknqfZ4FkhUx/azcDkfzgDhME16OOlNsafeiyu38jpl2n1QXhAZq4FtyMLkggDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T19:52:49.234700Z","bundle_sha256":"e229f8a4c81940e9544469b7756fb29d5ca92014f2a0a6f5380457b4fbf4d0ee"}}