{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:Q45U5MBGGSWJRDUW2EYSWDLP7Q","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":"3876528ed21d471113bcdaaa265151dc6c318bfaba8252a23bc2be8d758cd74a","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-09-19T05:56:56Z","title_canon_sha256":"c392ec8135c7be1abe4a1f02f37f2932716a42f220049bf88dddc66c86090ac8"},"schema_version":"1.0","source":{"id":"1509.05850","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.05850","created_at":"2026-05-18T01:07:17Z"},{"alias_kind":"arxiv_version","alias_value":"1509.05850v1","created_at":"2026-05-18T01:07:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.05850","created_at":"2026-05-18T01:07:17Z"},{"alias_kind":"pith_short_12","alias_value":"Q45U5MBGGSWJ","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"Q45U5MBGGSWJRDUW","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"Q45U5MBG","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:19b866861c4e7815c671a0949c4c6ac1996c77b50c4558c89d37be733cecf35e","target":"graph","created_at":"2026-05-18T01:07:17Z","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 show that if a spectator linear isocurvature dark matter field degree of freedom has a constant mass through its entire evolution history, the maximum measurable isocurvature spectral index that is consistent with the current tensor-to-scalar ratio bound is about 2.4, even if experiments can be sensitive to a $10^{-6}$ contamination of the predominantly adiabatic power spectrum with an isocurvature power spectrum at the shortest observable length scales. Hence, any foreseeable future measurement of a blue isocurvature spectral index larger than about 2.4 may provide nontrivial evidence for ","authors_text":"Daniel J. H. Chung","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-09-19T05:56:56Z","title":"Large Blue Spectral Isocurvature Spectral Index Signals Time-Dependent Mass"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.05850","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":"sha256:9343b2e712167539e30930db295508cf6cd892670ebecdcf21bcc618944b51f3","target":"record","created_at":"2026-05-18T01:07:17Z","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":"3876528ed21d471113bcdaaa265151dc6c318bfaba8252a23bc2be8d758cd74a","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-09-19T05:56:56Z","title_canon_sha256":"c392ec8135c7be1abe4a1f02f37f2932716a42f220049bf88dddc66c86090ac8"},"schema_version":"1.0","source":{"id":"1509.05850","kind":"arxiv","version":1}},"canonical_sha256":"873b4eb02634ac988e96d1312b0d6ffc26e0c699ff4f96f529fc3eb2eeb3142d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"873b4eb02634ac988e96d1312b0d6ffc26e0c699ff4f96f529fc3eb2eeb3142d","first_computed_at":"2026-05-18T01:07:17.361831Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:17.361831Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+FvN5C2DGVyMf3sHFlk5afHST0sgJlt1uVoeTBBFHmHY36P+d2DBE2vFfSH5ng+3gky3yy6RHwNnM4asAaPNBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:17.362351Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.05850","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9343b2e712167539e30930db295508cf6cd892670ebecdcf21bcc618944b51f3","sha256:19b866861c4e7815c671a0949c4c6ac1996c77b50c4558c89d37be733cecf35e"],"state_sha256":"2d56099a524addf1d31d93fbdd95642dcaa3cd7f0d6c63f2da349e7602efa9c2"}