{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:VFAYYAXLJANSJJVMUGALIBBDVX","short_pith_number":"pith:VFAYYAXL","canonical_record":{"source":{"id":"1408.2652","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-08-12T08:19:33Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"dbe39f424cd0c0b4bedce98c060ae1b619f5bede528d0c88a1869c269b81cec3","abstract_canon_sha256":"fad0f5d65ba96ca08e1ea5f6005d9a60e42fbff4d40fb497d4c2d70035dd12b1"},"schema_version":"1.0"},"canonical_sha256":"a9418c02eb481b24a6aca180b40423adcda9b88a3b1de5925e828ae32acd6574","source":{"kind":"arxiv","id":"1408.2652","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.2652","created_at":"2026-05-18T02:34:51Z"},{"alias_kind":"arxiv_version","alias_value":"1408.2652v2","created_at":"2026-05-18T02:34:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.2652","created_at":"2026-05-18T02:34:51Z"},{"alias_kind":"pith_short_12","alias_value":"VFAYYAXLJANS","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"VFAYYAXLJANSJJVM","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"VFAYYAXL","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:VFAYYAXLJANSJJVMUGALIBBDVX","target":"record","payload":{"canonical_record":{"source":{"id":"1408.2652","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-08-12T08:19:33Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"dbe39f424cd0c0b4bedce98c060ae1b619f5bede528d0c88a1869c269b81cec3","abstract_canon_sha256":"fad0f5d65ba96ca08e1ea5f6005d9a60e42fbff4d40fb497d4c2d70035dd12b1"},"schema_version":"1.0"},"canonical_sha256":"a9418c02eb481b24a6aca180b40423adcda9b88a3b1de5925e828ae32acd6574","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:51.886212Z","signature_b64":"/kR6gXjkUn3OnOGaa64rjLReNM6ZlsSAKWN0iizSayWMO+urTrR6FuX6f4vvkWCfEqXe1GvEiAlAWewBlmlvCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a9418c02eb481b24a6aca180b40423adcda9b88a3b1de5925e828ae32acd6574","last_reissued_at":"2026-05-18T02:34:51.885842Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:51.885842Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.2652","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:34:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mh/FJkEaqoioCXUM7pHsrUPh1MkjHePlK4ASJ5T4+WxorG6RzHPoAzhbLXsOUjYeuVPvKUasqReT44xsPe/ADw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T23:19:10.717636Z"},"content_sha256":"4396e5cdbc414fcaf691da4c17455833c2d8fbc20feec1e7e2a7a01cfa409054","schema_version":"1.0","event_id":"sha256:4396e5cdbc414fcaf691da4c17455833c2d8fbc20feec1e7e2a7a01cfa409054"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:VFAYYAXLJANSJJVMUGALIBBDVX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tensor-to-Scalar Ratio in Eddington-inspired Born-Infeld Inflation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Inyong Cho, Naveen K. Singh","submitted_at":"2014-08-12T08:19:33Z","abstract_excerpt":"We investigate the scalar perturbation of the inflation model driven by a massive-scalar field in Eddington-inspired Born-Infeld gravity. We focus on the perturbation at the attractor stage in which the first and the second slow-roll conditions are satisfied. The scalar perturbation exhibits the corrections to the chaotic inflation model in general relativity. We find that the tensor-to-scalar ratio becomes smaller than that of the usual chaotic inflation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.2652","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:34:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q1I0Q+7JhxMifMXtKSSWSBC+TQb6WTgQqBcylFnkmKEuOJjfZl5ErUbMNn+mVQSVEuDqzBJ0PT+iGR7w2ohdDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T23:19:10.717983Z"},"content_sha256":"d7fa707adb1f66867b0d1de101d30e6669423a0bfc1f1c084b7d8c049ccc2c0a","schema_version":"1.0","event_id":"sha256:d7fa707adb1f66867b0d1de101d30e6669423a0bfc1f1c084b7d8c049ccc2c0a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VFAYYAXLJANSJJVMUGALIBBDVX/bundle.json","state_url":"https://pith.science/pith/VFAYYAXLJANSJJVMUGALIBBDVX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VFAYYAXLJANSJJVMUGALIBBDVX/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":"2026-06-01T23:19:10Z","links":{"resolver":"https://pith.science/pith/VFAYYAXLJANSJJVMUGALIBBDVX","bundle":"https://pith.science/pith/VFAYYAXLJANSJJVMUGALIBBDVX/bundle.json","state":"https://pith.science/pith/VFAYYAXLJANSJJVMUGALIBBDVX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VFAYYAXLJANSJJVMUGALIBBDVX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:VFAYYAXLJANSJJVMUGALIBBDVX","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":"fad0f5d65ba96ca08e1ea5f6005d9a60e42fbff4d40fb497d4c2d70035dd12b1","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-08-12T08:19:33Z","title_canon_sha256":"dbe39f424cd0c0b4bedce98c060ae1b619f5bede528d0c88a1869c269b81cec3"},"schema_version":"1.0","source":{"id":"1408.2652","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.2652","created_at":"2026-05-18T02:34:51Z"},{"alias_kind":"arxiv_version","alias_value":"1408.2652v2","created_at":"2026-05-18T02:34:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.2652","created_at":"2026-05-18T02:34:51Z"},{"alias_kind":"pith_short_12","alias_value":"VFAYYAXLJANS","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"VFAYYAXLJANSJJVM","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"VFAYYAXL","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:d7fa707adb1f66867b0d1de101d30e6669423a0bfc1f1c084b7d8c049ccc2c0a","target":"graph","created_at":"2026-05-18T02:34:51Z","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 investigate the scalar perturbation of the inflation model driven by a massive-scalar field in Eddington-inspired Born-Infeld gravity. We focus on the perturbation at the attractor stage in which the first and the second slow-roll conditions are satisfied. The scalar perturbation exhibits the corrections to the chaotic inflation model in general relativity. We find that the tensor-to-scalar ratio becomes smaller than that of the usual chaotic inflation.","authors_text":"Inyong Cho, Naveen K. Singh","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-08-12T08:19:33Z","title":"Tensor-to-Scalar Ratio in Eddington-inspired Born-Infeld Inflation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.2652","kind":"arxiv","version":2},"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":"sha256:4396e5cdbc414fcaf691da4c17455833c2d8fbc20feec1e7e2a7a01cfa409054","target":"record","created_at":"2026-05-18T02:34:51Z","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":"fad0f5d65ba96ca08e1ea5f6005d9a60e42fbff4d40fb497d4c2d70035dd12b1","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-08-12T08:19:33Z","title_canon_sha256":"dbe39f424cd0c0b4bedce98c060ae1b619f5bede528d0c88a1869c269b81cec3"},"schema_version":"1.0","source":{"id":"1408.2652","kind":"arxiv","version":2}},"canonical_sha256":"a9418c02eb481b24a6aca180b40423adcda9b88a3b1de5925e828ae32acd6574","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a9418c02eb481b24a6aca180b40423adcda9b88a3b1de5925e828ae32acd6574","first_computed_at":"2026-05-18T02:34:51.885842Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:51.885842Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/kR6gXjkUn3OnOGaa64rjLReNM6ZlsSAKWN0iizSayWMO+urTrR6FuX6f4vvkWCfEqXe1GvEiAlAWewBlmlvCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:51.886212Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.2652","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4396e5cdbc414fcaf691da4c17455833c2d8fbc20feec1e7e2a7a01cfa409054","sha256:d7fa707adb1f66867b0d1de101d30e6669423a0bfc1f1c084b7d8c049ccc2c0a"],"state_sha256":"566924b4a3d4b51e3adec75b4c9ea734b164b4967d42b64913ced34b991c278a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D+UT8KZ1tP12HmJ4lxcp2Mc5fI49oRjFaaGmyQUPhyyU+TBdM3DZ7VWOU0DWwpdWi/Xzh2Y61J+Hzq3DIeztBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T23:19:10.720006Z","bundle_sha256":"bb6682114f3a3d01d0dcf5dc242f081939b2c393bd9163677cc08308151dd0d7"}}