{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:3FDE6JQFSY5U4AB6CCHSTXCENE","short_pith_number":"pith:3FDE6JQF","canonical_record":{"source":{"id":"gr-qc/9709061","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1997-09-24T14:11:55Z","cross_cats_sorted":[],"title_canon_sha256":"52e0426749c199bf1eb55dfcde406f6e7c0fb1b742ffc082bb52f5872278f97b","abstract_canon_sha256":"a4d4d83c85802e650c1dec840a8989fc4b1f3fb8d05aacce0f69d157496494c6"},"schema_version":"1.0"},"canonical_sha256":"d9464f2605963b4e003e108f29dc44692825e7efad524e172d58d99b2fa403e3","source":{"kind":"arxiv","id":"gr-qc/9709061","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9709061","created_at":"2026-05-18T02:37:29Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9709061v1","created_at":"2026-05-18T02:37:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9709061","created_at":"2026-05-18T02:37:29Z"},{"alias_kind":"pith_short_12","alias_value":"3FDE6JQFSY5U","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"3FDE6JQFSY5U4AB6","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"3FDE6JQF","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:3FDE6JQFSY5U4AB6CCHSTXCENE","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/9709061","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1997-09-24T14:11:55Z","cross_cats_sorted":[],"title_canon_sha256":"52e0426749c199bf1eb55dfcde406f6e7c0fb1b742ffc082bb52f5872278f97b","abstract_canon_sha256":"a4d4d83c85802e650c1dec840a8989fc4b1f3fb8d05aacce0f69d157496494c6"},"schema_version":"1.0"},"canonical_sha256":"d9464f2605963b4e003e108f29dc44692825e7efad524e172d58d99b2fa403e3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:37:29.374037Z","signature_b64":"jb3whFBA4DYgpQ1XPg+tdFo/EA2JFSZVRkDyiDuNAVXPJj6CCb1Ngj35tB+l3JjHZLkVVQhhd7S2uZ+rx10qAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d9464f2605963b4e003e108f29dc44692825e7efad524e172d58d99b2fa403e3","last_reissued_at":"2026-05-18T02:37:29.373585Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:37:29.373585Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/9709061","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":"2026-05-18T02:37:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lsnfBEN4AgmMr5l3m9M1SFeUSBfLXBmKNyUYtxzzvxQiqV8CeCUR+dZ2OgxCJzxW1C4NnDsqKX6vG7y1X0BtAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T07:35:43.722566Z"},"content_sha256":"3684fefbd7d67abb59eecc88d4ac52a7cd156adaabdd866e46d8b7c9ae0fd412","schema_version":"1.0","event_id":"sha256:3684fefbd7d67abb59eecc88d4ac52a7cd156adaabdd866e46d8b7c9ae0fd412"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:3FDE6JQFSY5U4AB6CCHSTXCENE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Entropy and the Density Matrix of Cosmological Perturbations","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"A. Feinstein, I.L. Egusquiza, M.A. Perez Sebastian, M.A. Valle Basagoiti","submitted_at":"1997-09-24T14:11:55Z","abstract_excerpt":"We look at the transition to the semiclassical behaviour and the decoherence process for the inhomogeneous perturbations in the inflationary universe. Two different decoherence mechanisms appear: one dynamical, accompanied with a negligible, if at all, entropy gain, and the other, effectively irreversible dephasing, due to a rapid variation in time of the off-diagonal density matrix elements in the post-inflationary epoch. We thus settle the discrepancies in the entropy content of perturbations evaluated by different authors."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9709061","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":"2026-05-18T02:37:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8FlHFYuKtl4DFAkCBdnpSXjYEjWbpIih4r9KQqqlrek+lvxIlvrUDWTEyJRgOwk6Ipfcc8IOTqJcemKyqcM+BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T07:35:43.722969Z"},"content_sha256":"722343a4a3e425d19b27c7d251f00e8672c7c33274f003331593ce958c6b4691","schema_version":"1.0","event_id":"sha256:722343a4a3e425d19b27c7d251f00e8672c7c33274f003331593ce958c6b4691"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3FDE6JQFSY5U4AB6CCHSTXCENE/bundle.json","state_url":"https://pith.science/pith/3FDE6JQFSY5U4AB6CCHSTXCENE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3FDE6JQFSY5U4AB6CCHSTXCENE/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":"2026-05-25T07:35:43Z","links":{"resolver":"https://pith.science/pith/3FDE6JQFSY5U4AB6CCHSTXCENE","bundle":"https://pith.science/pith/3FDE6JQFSY5U4AB6CCHSTXCENE/bundle.json","state":"https://pith.science/pith/3FDE6JQFSY5U4AB6CCHSTXCENE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3FDE6JQFSY5U4AB6CCHSTXCENE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:3FDE6JQFSY5U4AB6CCHSTXCENE","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":"a4d4d83c85802e650c1dec840a8989fc4b1f3fb8d05aacce0f69d157496494c6","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"1997-09-24T14:11:55Z","title_canon_sha256":"52e0426749c199bf1eb55dfcde406f6e7c0fb1b742ffc082bb52f5872278f97b"},"schema_version":"1.0","source":{"id":"gr-qc/9709061","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9709061","created_at":"2026-05-18T02:37:29Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9709061v1","created_at":"2026-05-18T02:37:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9709061","created_at":"2026-05-18T02:37:29Z"},{"alias_kind":"pith_short_12","alias_value":"3FDE6JQFSY5U","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"3FDE6JQFSY5U4AB6","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"3FDE6JQF","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:722343a4a3e425d19b27c7d251f00e8672c7c33274f003331593ce958c6b4691","target":"graph","created_at":"2026-05-18T02:37:29Z","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 look at the transition to the semiclassical behaviour and the decoherence process for the inhomogeneous perturbations in the inflationary universe. Two different decoherence mechanisms appear: one dynamical, accompanied with a negligible, if at all, entropy gain, and the other, effectively irreversible dephasing, due to a rapid variation in time of the off-diagonal density matrix elements in the post-inflationary epoch. We thus settle the discrepancies in the entropy content of perturbations evaluated by different authors.","authors_text":"A. Feinstein, I.L. Egusquiza, M.A. Perez Sebastian, M.A. Valle Basagoiti","cross_cats":[],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"1997-09-24T14:11:55Z","title":"On the Entropy and the Density Matrix of Cosmological Perturbations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9709061","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":"sha256:3684fefbd7d67abb59eecc88d4ac52a7cd156adaabdd866e46d8b7c9ae0fd412","target":"record","created_at":"2026-05-18T02:37:29Z","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":"a4d4d83c85802e650c1dec840a8989fc4b1f3fb8d05aacce0f69d157496494c6","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"1997-09-24T14:11:55Z","title_canon_sha256":"52e0426749c199bf1eb55dfcde406f6e7c0fb1b742ffc082bb52f5872278f97b"},"schema_version":"1.0","source":{"id":"gr-qc/9709061","kind":"arxiv","version":1}},"canonical_sha256":"d9464f2605963b4e003e108f29dc44692825e7efad524e172d58d99b2fa403e3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d9464f2605963b4e003e108f29dc44692825e7efad524e172d58d99b2fa403e3","first_computed_at":"2026-05-18T02:37:29.373585Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:37:29.373585Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jb3whFBA4DYgpQ1XPg+tdFo/EA2JFSZVRkDyiDuNAVXPJj6CCb1Ngj35tB+l3JjHZLkVVQhhd7S2uZ+rx10qAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:37:29.374037Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/9709061","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3684fefbd7d67abb59eecc88d4ac52a7cd156adaabdd866e46d8b7c9ae0fd412","sha256:722343a4a3e425d19b27c7d251f00e8672c7c33274f003331593ce958c6b4691"],"state_sha256":"6ad2bc0b37ab653b30692d29433ec85f455b183deadb9d7e4232345fdb049303"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xwW5zHoLxhQfzgiiI6PKxnJBHXTMAxsB94/wEIC+bbEH2hLgoHdPkNHm/NkqAu3R43LH/RNVwvHrORXI7aZtDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T07:35:43.725822Z","bundle_sha256":"a82fe7f2f6a01439e1c76517499018e46ce1ecd3073fee05f62b24bfac73cf48"}}