{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:AICCT4JSXW54ITZXLIHZLQAIT5","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":"7ce45d8060d0a8cf4d0a68a1a5fa4fa6b989b4d2504ff94ee5392b5223752213","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-06-07T19:22:49Z","title_canon_sha256":"32fb0cbf118a8669b6733abada2beaa1e5bac9320cbec12b9350e2a655466565"},"schema_version":"1.0","source":{"id":"2506.06901","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.06901","created_at":"2026-07-05T11:30:01Z"},{"alias_kind":"arxiv_version","alias_value":"2506.06901v2","created_at":"2026-07-05T11:30:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.06901","created_at":"2026-07-05T11:30:01Z"},{"alias_kind":"pith_short_12","alias_value":"AICCT4JSXW54","created_at":"2026-07-05T11:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"AICCT4JSXW54ITZX","created_at":"2026-07-05T11:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"AICCT4JS","created_at":"2026-07-05T11:30:01Z"}],"graph_snapshots":[{"event_id":"sha256:1224cfe698c7a34bfb55b6395792b58b6047d2fd2406d99725b149479aa7f1f1","target":"graph","created_at":"2026-07-05T11:30:01Z","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/2506.06901/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We calculate the power spectrum of cosmological perturbations originated from quantum vacuum fluctuations in bouncing scenarios proposed in Ref.~\\cite{chamseddine2014cosmology} in the framework of mimetic cosmology. We show that all physically relevant models produce scale invariant spectral indices, and amplitudes compatible with observations provided that the bounce occurs at length scales $t_0$ inside the physically reasonable interval $10^5 l_p < t_0 < 10^9 l_p$. We also show that by slightly modifying the scalar field potential proposed in Ref.~\\cite{chamseddine2014cosmology}, we can also","authors_text":"D\\^eivid R. da Silva, Idaiane L. Machado, Nelson Pinto-Neto","cross_cats":["gr-qc","hep-th"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-06-07T19:22:49Z","title":"Quantum cosmological perturbations in bouncing models with mimetic dark matter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.06901","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":"sha256:0f2c3d591b885ae8bc6cffa3bb89c75341d201938453ee53ade7a9beba78e29c","target":"record","created_at":"2026-07-05T11:30:01Z","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":"7ce45d8060d0a8cf4d0a68a1a5fa4fa6b989b4d2504ff94ee5392b5223752213","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-06-07T19:22:49Z","title_canon_sha256":"32fb0cbf118a8669b6733abada2beaa1e5bac9320cbec12b9350e2a655466565"},"schema_version":"1.0","source":{"id":"2506.06901","kind":"arxiv","version":2}},"canonical_sha256":"020429f132bdbbc44f375a0f95c0089f574d00d6c8f1f133429ae59f73dff46d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"020429f132bdbbc44f375a0f95c0089f574d00d6c8f1f133429ae59f73dff46d","first_computed_at":"2026-07-05T11:30:01.460124Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:30:01.460124Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MaA0j8LAXpLMkM94P0abiPSSPSzAuFeunPp6AR9icJxfZtQEboV/HwbXUcET+s/7OX5F/U4g9rqMFakI+t7NAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:30:01.460573Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.06901","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0f2c3d591b885ae8bc6cffa3bb89c75341d201938453ee53ade7a9beba78e29c","sha256:1224cfe698c7a34bfb55b6395792b58b6047d2fd2406d99725b149479aa7f1f1"],"state_sha256":"be7b07a362eb2bed3c926c56d2b48c850863ba62a85c4181fa248a12ec23f80d"}