{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:ND4V25AR5AECGUHF3AVX3LJDNY","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":"ebbf2f450fdddc3493c5076ca6c17dba3aeff740f2083b0f14f5d5f773b2ea63","cross_cats_sorted":["astro-ph","quant-ph"],"license":"","primary_cat":"gr-qc","submitted_at":"1998-05-06T07:39:12Z","title_canon_sha256":"d6c9fd8e7517df688c4c98b32df370531e098677758774019cfad8786bdbf77c"},"schema_version":"1.0","source":{"id":"gr-qc/9805014","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9805014","created_at":"2026-05-18T01:01:16Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9805014v2","created_at":"2026-05-18T01:01:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9805014","created_at":"2026-05-18T01:01:16Z"},{"alias_kind":"pith_short_12","alias_value":"ND4V25AR5AEC","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"ND4V25AR5AECGUHF","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"ND4V25AR","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:e1cc24bdf7c14532062a68121fbfb48b849bcad3002aca2515d07634f86a9aac","target":"graph","created_at":"2026-05-18T01:01:16Z","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 clarify the way in which cosmological perturbations of quantum origin, produced during inflation, assume classical properties. Two features play an important role in this process: First, the dynamics of fluctuations which are presently on large cosmological scales leads to a very peculiar state (highly squeezed) that is indistinguishable, in a precise sense, from a classical stochastic process. This holds for almost all initial quantum states. Second, the process of decoherence by interaction with the environment distinguishes the field amplitude basis as a robust pointer basis. We discuss ","authors_text":"C. Kiefer, D. Polarski","cross_cats":["astro-ph","quant-ph"],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"1998-05-06T07:39:12Z","title":"Emergence of classicality for primordial fluctuations: Concepts and analogies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9805014","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":"sha256:249652397443a6de359bce428ac10baf3e7eb6c33b62875c03b9a3192407adf2","target":"record","created_at":"2026-05-18T01:01:16Z","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":"ebbf2f450fdddc3493c5076ca6c17dba3aeff740f2083b0f14f5d5f773b2ea63","cross_cats_sorted":["astro-ph","quant-ph"],"license":"","primary_cat":"gr-qc","submitted_at":"1998-05-06T07:39:12Z","title_canon_sha256":"d6c9fd8e7517df688c4c98b32df370531e098677758774019cfad8786bdbf77c"},"schema_version":"1.0","source":{"id":"gr-qc/9805014","kind":"arxiv","version":2}},"canonical_sha256":"68f95d7411e8082350e5d82b7dad236e0dfdc88805a0cc30ea75248931c0639f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68f95d7411e8082350e5d82b7dad236e0dfdc88805a0cc30ea75248931c0639f","first_computed_at":"2026-05-18T01:01:16.736206Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:01:16.736206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RHJGHvkpdD/zwNL6Txv27fZzXyc8m3qfHpFP9cLOJQdAqAXso/bJyQhHoO7gdTmkeiirixMGq1sIL2HkT8nOAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:01:16.736902Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/9805014","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:249652397443a6de359bce428ac10baf3e7eb6c33b62875c03b9a3192407adf2","sha256:e1cc24bdf7c14532062a68121fbfb48b849bcad3002aca2515d07634f86a9aac"],"state_sha256":"7b3dc358b19e9fc4dac1ad16ee8c166053e3f3f50b4715e630c0faadcc67460b"}