{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:34RZGNXFYTICHLYMQVE5HTCU53","short_pith_number":"pith:34RZGNXF","canonical_record":{"source":{"id":"1802.09185","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-02-26T07:15:38Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"2f489781e7fcae0b2ed5ad6e4e840c76945889518ed5ed188e220ccd720deb6e","abstract_canon_sha256":"932c1b2c6a0abe60d886cc793e564bcd9d7239435766af323e2f091f32370336"},"schema_version":"1.0"},"canonical_sha256":"df239336e5c4d023af0c8549d3cc54eec9b612756385a19e541c1aa22775547f","source":{"kind":"arxiv","id":"1802.09185","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.09185","created_at":"2026-05-18T00:15:15Z"},{"alias_kind":"arxiv_version","alias_value":"1802.09185v1","created_at":"2026-05-18T00:15:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.09185","created_at":"2026-05-18T00:15:15Z"},{"alias_kind":"pith_short_12","alias_value":"34RZGNXFYTIC","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"34RZGNXFYTICHLYM","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"34RZGNXF","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:34RZGNXFYTICHLYMQVE5HTCU53","target":"record","payload":{"canonical_record":{"source":{"id":"1802.09185","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-02-26T07:15:38Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"2f489781e7fcae0b2ed5ad6e4e840c76945889518ed5ed188e220ccd720deb6e","abstract_canon_sha256":"932c1b2c6a0abe60d886cc793e564bcd9d7239435766af323e2f091f32370336"},"schema_version":"1.0"},"canonical_sha256":"df239336e5c4d023af0c8549d3cc54eec9b612756385a19e541c1aa22775547f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:15:15.793284Z","signature_b64":"KNZQmNJDWr09ZWdxO4GyZswDFtthKmEKEdRmypfgBUgGJXOdgCBpEh4rdfS8VY1cJ22nhJIeOwhX1i2l03F+AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"df239336e5c4d023af0c8549d3cc54eec9b612756385a19e541c1aa22775547f","last_reissued_at":"2026-05-18T00:15:15.792757Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:15:15.792757Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.09185","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:15:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wthnT0SewQPOdGI9aY1RIQEp1mPix1VqhNyYlAl+0KSJNtP7LhpjVMLna+qXW2/oEtaE293xIBvBhjGAkE5fCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T14:29:38.035215Z"},"content_sha256":"6770b282063b8074b092cc4ea0ff62f2979b7f65b2127bd66190860c7d1f04ff","schema_version":"1.0","event_id":"sha256:6770b282063b8074b092cc4ea0ff62f2979b7f65b2127bd66190860c7d1f04ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:34RZGNXFYTICHLYMQVE5HTCU53","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$\\alpha$-Attractor and Reheating in a Model with Non-Canonical Scalar Fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Kourosh Nozari, Narges Rashidi","submitted_at":"2018-02-26T07:15:38Z","abstract_excerpt":"We consider two non-canonical scalar fields (tachyon and DBI) with E-model type of the potential. We study cosmological inflation in these models to find possible $\\alpha$-attractors. We show that similar to the canonical scalar field case, in both tachyon and DBI models there is a value of the scalar spectral index in small $\\alpha$ limit which is just a function of the e-folds number. However, the value of $n_{s}$ in DBI model is somewhat different from the other ones. We also compare the results with Planck2015 TT, TE, EE+lowP data. The reheating phase after inflation is studied in these mo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.09185","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:15:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sc/PaMwdM35i333RXGPWJNTGf03rmjoHfRos89WTmtsUazpYt9ClTQesCnYR3wSUHjf5QyR8IwXJ3dthd3gNBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T14:29:38.035907Z"},"content_sha256":"57836eb6f73273987a668a96ec5536e7b4384c6627b5f4533d48a6906094fd62","schema_version":"1.0","event_id":"sha256:57836eb6f73273987a668a96ec5536e7b4384c6627b5f4533d48a6906094fd62"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/34RZGNXFYTICHLYMQVE5HTCU53/bundle.json","state_url":"https://pith.science/pith/34RZGNXFYTICHLYMQVE5HTCU53/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/34RZGNXFYTICHLYMQVE5HTCU53/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":"2026-06-06T14:29:38Z","links":{"resolver":"https://pith.science/pith/34RZGNXFYTICHLYMQVE5HTCU53","bundle":"https://pith.science/pith/34RZGNXFYTICHLYMQVE5HTCU53/bundle.json","state":"https://pith.science/pith/34RZGNXFYTICHLYMQVE5HTCU53/state.json","well_known_bundle":"https://pith.science/.well-known/pith/34RZGNXFYTICHLYMQVE5HTCU53/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:34RZGNXFYTICHLYMQVE5HTCU53","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":"932c1b2c6a0abe60d886cc793e564bcd9d7239435766af323e2f091f32370336","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-02-26T07:15:38Z","title_canon_sha256":"2f489781e7fcae0b2ed5ad6e4e840c76945889518ed5ed188e220ccd720deb6e"},"schema_version":"1.0","source":{"id":"1802.09185","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.09185","created_at":"2026-05-18T00:15:15Z"},{"alias_kind":"arxiv_version","alias_value":"1802.09185v1","created_at":"2026-05-18T00:15:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.09185","created_at":"2026-05-18T00:15:15Z"},{"alias_kind":"pith_short_12","alias_value":"34RZGNXFYTIC","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"34RZGNXFYTICHLYM","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"34RZGNXF","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:57836eb6f73273987a668a96ec5536e7b4384c6627b5f4533d48a6906094fd62","target":"graph","created_at":"2026-05-18T00:15:15Z","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 consider two non-canonical scalar fields (tachyon and DBI) with E-model type of the potential. We study cosmological inflation in these models to find possible $\\alpha$-attractors. We show that similar to the canonical scalar field case, in both tachyon and DBI models there is a value of the scalar spectral index in small $\\alpha$ limit which is just a function of the e-folds number. However, the value of $n_{s}$ in DBI model is somewhat different from the other ones. We also compare the results with Planck2015 TT, TE, EE+lowP data. The reheating phase after inflation is studied in these mo","authors_text":"Kourosh Nozari, Narges Rashidi","cross_cats":["gr-qc","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-02-26T07:15:38Z","title":"$\\alpha$-Attractor and Reheating in a Model with Non-Canonical Scalar Fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.09185","kind":"arxiv","version":1},"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":"sha256:6770b282063b8074b092cc4ea0ff62f2979b7f65b2127bd66190860c7d1f04ff","target":"record","created_at":"2026-05-18T00:15:15Z","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":"932c1b2c6a0abe60d886cc793e564bcd9d7239435766af323e2f091f32370336","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-02-26T07:15:38Z","title_canon_sha256":"2f489781e7fcae0b2ed5ad6e4e840c76945889518ed5ed188e220ccd720deb6e"},"schema_version":"1.0","source":{"id":"1802.09185","kind":"arxiv","version":1}},"canonical_sha256":"df239336e5c4d023af0c8549d3cc54eec9b612756385a19e541c1aa22775547f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"df239336e5c4d023af0c8549d3cc54eec9b612756385a19e541c1aa22775547f","first_computed_at":"2026-05-18T00:15:15.792757Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:15:15.792757Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KNZQmNJDWr09ZWdxO4GyZswDFtthKmEKEdRmypfgBUgGJXOdgCBpEh4rdfS8VY1cJ22nhJIeOwhX1i2l03F+AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:15:15.793284Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.09185","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6770b282063b8074b092cc4ea0ff62f2979b7f65b2127bd66190860c7d1f04ff","sha256:57836eb6f73273987a668a96ec5536e7b4384c6627b5f4533d48a6906094fd62"],"state_sha256":"04671cf6914c82febd443738a9230d7c785a4f6adcd1ff661c90c8cb08ccbbf3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7K+3/zOr2v/ObwlBpIC+W2AR29fXLJBeP+nAHNBF9cxv7h1e4mi63jHNi9ToekPLDKGMDLuaKZbSP86MdhTmBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T14:29:38.039161Z","bundle_sha256":"6d552ff95723b2e66145f1839b20ed4f11febe505658abe6720899a2f024c575"}}