{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:V53VGC6YWXORXYOR3SCHDJEM6E","short_pith_number":"pith:V53VGC6Y","canonical_record":{"source":{"id":"0807.0050","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-07-01T01:14:10Z","cross_cats_sorted":["astro-ph","gr-qc","hep-ph"],"title_canon_sha256":"df22ee38edef4cbd4ae83d9a8550a4807e5d32d43f63acb1352f53fb7a889a7c","abstract_canon_sha256":"3b600fe685b654d268cd0a9bb481a90c22308e06e2cb997ac5fc5f3c3641f538"},"schema_version":"1.0"},"canonical_sha256":"af77530bd8b5dd1be1d1dc8471a48cf10d9b411548ff5646fa3429a8aa07d6c4","source":{"kind":"arxiv","id":"0807.0050","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0807.0050","created_at":"2026-07-04T15:30:20Z"},{"alias_kind":"arxiv_version","alias_value":"0807.0050v2","created_at":"2026-07-04T15:30:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0807.0050","created_at":"2026-07-04T15:30:20Z"},{"alias_kind":"pith_short_12","alias_value":"V53VGC6YWXOR","created_at":"2026-07-04T15:30:20Z"},{"alias_kind":"pith_short_16","alias_value":"V53VGC6YWXORXYOR","created_at":"2026-07-04T15:30:20Z"},{"alias_kind":"pith_short_8","alias_value":"V53VGC6Y","created_at":"2026-07-04T15:30:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:V53VGC6YWXORXYOR3SCHDJEM6E","target":"record","payload":{"canonical_record":{"source":{"id":"0807.0050","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-07-01T01:14:10Z","cross_cats_sorted":["astro-ph","gr-qc","hep-ph"],"title_canon_sha256":"df22ee38edef4cbd4ae83d9a8550a4807e5d32d43f63acb1352f53fb7a889a7c","abstract_canon_sha256":"3b600fe685b654d268cd0a9bb481a90c22308e06e2cb997ac5fc5f3c3641f538"},"schema_version":"1.0"},"canonical_sha256":"af77530bd8b5dd1be1d1dc8471a48cf10d9b411548ff5646fa3429a8aa07d6c4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:30:20.158609Z","signature_b64":"YweSOnaWbocNSkjfOxYU9d69Rwq/q0SWPuBQHLMWZb7y4ZRuupL70PljzgxnCjHYsp+IPHcLhPD9KparS0PpDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af77530bd8b5dd1be1d1dc8471a48cf10d9b411548ff5646fa3429a8aa07d6c4","last_reissued_at":"2026-07-04T15:30:20.158280Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:30:20.158280Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0807.0050","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":"2026-07-04T15:30:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BSsE1cLRI9mJ2TbjA+sBefbY+ps/klzb8LvBitQo5zzLWktGuddCaZ+fTP64OFp1jOwKKQ8VcLJ9nvdxJvaJAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T07:17:00.917212Z"},"content_sha256":"fd9bc0856d59ebb704f12ec1a3cc0b8ff5fdd51c4e647ab3eda165e19fcddd20","schema_version":"1.0","event_id":"sha256:fd9bc0856d59ebb704f12ec1a3cc0b8ff5fdd51c4e647ab3eda165e19fcddd20"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:V53VGC6YWXORXYOR3SCHDJEM6E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spectral Index in Curvaton Scenario","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph","gr-qc","hep-ph"],"primary_cat":"hep-th","authors_text":"Qing-Guo Huang","submitted_at":"2008-07-01T01:14:10Z","abstract_excerpt":"A red tilted primordial power spectrum is preferred by WMAP five-year data and a large positive local-type non-Gaussianity $f_{NL}$ might be observed as well. In this short note we find that a red tilted and large non-Gaussian primordial power spectrum cannot be naturally obtained in curvaton model, because $f_{NL}$ is related to the initial condition of inflation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0807.0050","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0807.0050/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:30:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eP1EeAzl5FYK3EFVC1iwnq+dlfd43pRdUOiplQmS7XqFc39spnrMD0ZCdr4F1x3i8hgLxl4WDm9I4ELcxqtdCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T07:17:00.917811Z"},"content_sha256":"bde50e228636654353384aad551e35c652840089b744f597d4efcdc6b9d8f760","schema_version":"1.0","event_id":"sha256:bde50e228636654353384aad551e35c652840089b744f597d4efcdc6b9d8f760"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V53VGC6YWXORXYOR3SCHDJEM6E/bundle.json","state_url":"https://pith.science/pith/V53VGC6YWXORXYOR3SCHDJEM6E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V53VGC6YWXORXYOR3SCHDJEM6E/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":"2026-08-13T07:17:00Z","links":{"resolver":"https://pith.science/pith/V53VGC6YWXORXYOR3SCHDJEM6E","bundle":"https://pith.science/pith/V53VGC6YWXORXYOR3SCHDJEM6E/bundle.json","state":"https://pith.science/pith/V53VGC6YWXORXYOR3SCHDJEM6E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V53VGC6YWXORXYOR3SCHDJEM6E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:V53VGC6YWXORXYOR3SCHDJEM6E","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":"3b600fe685b654d268cd0a9bb481a90c22308e06e2cb997ac5fc5f3c3641f538","cross_cats_sorted":["astro-ph","gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-07-01T01:14:10Z","title_canon_sha256":"df22ee38edef4cbd4ae83d9a8550a4807e5d32d43f63acb1352f53fb7a889a7c"},"schema_version":"1.0","source":{"id":"0807.0050","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0807.0050","created_at":"2026-07-04T15:30:20Z"},{"alias_kind":"arxiv_version","alias_value":"0807.0050v2","created_at":"2026-07-04T15:30:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0807.0050","created_at":"2026-07-04T15:30:20Z"},{"alias_kind":"pith_short_12","alias_value":"V53VGC6YWXOR","created_at":"2026-07-04T15:30:20Z"},{"alias_kind":"pith_short_16","alias_value":"V53VGC6YWXORXYOR","created_at":"2026-07-04T15:30:20Z"},{"alias_kind":"pith_short_8","alias_value":"V53VGC6Y","created_at":"2026-07-04T15:30:20Z"}],"graph_snapshots":[{"event_id":"sha256:bde50e228636654353384aad551e35c652840089b744f597d4efcdc6b9d8f760","target":"graph","created_at":"2026-07-04T15:30:20Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0807.0050/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A red tilted primordial power spectrum is preferred by WMAP five-year data and a large positive local-type non-Gaussianity $f_{NL}$ might be observed as well. In this short note we find that a red tilted and large non-Gaussian primordial power spectrum cannot be naturally obtained in curvaton model, because $f_{NL}$ is related to the initial condition of inflation.","authors_text":"Qing-Guo Huang","cross_cats":["astro-ph","gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-07-01T01:14:10Z","title":"Spectral Index in Curvaton Scenario"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0807.0050","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:fd9bc0856d59ebb704f12ec1a3cc0b8ff5fdd51c4e647ab3eda165e19fcddd20","target":"record","created_at":"2026-07-04T15:30:20Z","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":"3b600fe685b654d268cd0a9bb481a90c22308e06e2cb997ac5fc5f3c3641f538","cross_cats_sorted":["astro-ph","gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-07-01T01:14:10Z","title_canon_sha256":"df22ee38edef4cbd4ae83d9a8550a4807e5d32d43f63acb1352f53fb7a889a7c"},"schema_version":"1.0","source":{"id":"0807.0050","kind":"arxiv","version":2}},"canonical_sha256":"af77530bd8b5dd1be1d1dc8471a48cf10d9b411548ff5646fa3429a8aa07d6c4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"af77530bd8b5dd1be1d1dc8471a48cf10d9b411548ff5646fa3429a8aa07d6c4","first_computed_at":"2026-07-04T15:30:20.158280Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:30:20.158280Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YweSOnaWbocNSkjfOxYU9d69Rwq/q0SWPuBQHLMWZb7y4ZRuupL70PljzgxnCjHYsp+IPHcLhPD9KparS0PpDg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:30:20.158609Z","signed_message":"canonical_sha256_bytes"},"source_id":"0807.0050","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fd9bc0856d59ebb704f12ec1a3cc0b8ff5fdd51c4e647ab3eda165e19fcddd20","sha256:bde50e228636654353384aad551e35c652840089b744f597d4efcdc6b9d8f760"],"state_sha256":"96b374d41c2cbe046f6c7a00172b13bad94b4884f10a5df64c485a8874ea0e06"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hGNjBmc8/CJ5maVDqZWkk0MKErNpjy0/Kta1KbXYWiJP1VvPw7rX82jpskOpsHuBkEYpt7pqXURkLvQKTxbtAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T07:17:00.922578Z","bundle_sha256":"88026d2e06bc1e33c2d6143ccfb55559eb43a106c0b78a883bed69177ab12275"}}