{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:FWENXJTU5L5KN5UFWCSMMCITZH","short_pith_number":"pith:FWENXJTU","canonical_record":{"source":{"id":"hep-th/9510063","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1995-10-10T18:37:24Z","cross_cats_sorted":[],"title_canon_sha256":"4059f5ad7cac8033989ee65ee390292e24949918de5952df35c6139d394688d7","abstract_canon_sha256":"08cf0a67e117da242766934917e7703600292b10a85a7d2f3d47b699004aeefd"},"schema_version":"1.0"},"canonical_sha256":"2d88dba674eafaa6f685b0a4c60913c9fd31bc1ec94c8ebdff4b41fe8cdc00f0","source":{"kind":"arxiv","id":"hep-th/9510063","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9510063","created_at":"2026-05-18T04:15:48Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9510063v1","created_at":"2026-05-18T04:15:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9510063","created_at":"2026-05-18T04:15:48Z"},{"alias_kind":"pith_short_12","alias_value":"FWENXJTU5L5K","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"FWENXJTU5L5KN5UF","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"FWENXJTU","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:FWENXJTU5L5KN5UFWCSMMCITZH","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/9510063","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1995-10-10T18:37:24Z","cross_cats_sorted":[],"title_canon_sha256":"4059f5ad7cac8033989ee65ee390292e24949918de5952df35c6139d394688d7","abstract_canon_sha256":"08cf0a67e117da242766934917e7703600292b10a85a7d2f3d47b699004aeefd"},"schema_version":"1.0"},"canonical_sha256":"2d88dba674eafaa6f685b0a4c60913c9fd31bc1ec94c8ebdff4b41fe8cdc00f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:15:48.412293Z","signature_b64":"EQINxZgZww0IBEXEDYzHZxJuV+Ef6GREy5/OD6tJJkDv4y3iA5fcPS5JNgbMJOEWk8V5hD4ZdNsnT1ciS09pCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2d88dba674eafaa6f685b0a4c60913c9fd31bc1ec94c8ebdff4b41fe8cdc00f0","last_reissued_at":"2026-05-18T04:15:48.411598Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:15:48.411598Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/9510063","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":"2026-05-18T04:15:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ts4mG2QCIaO70foU0fY7GBG2kFQrlKwnKikK40R39BjbTQJKblAp7d+umeDD+CvT44cmR9H6aCt6U7ErRGeODQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T06:21:45.265904Z"},"content_sha256":"9ec76f93dbd7c4e8355d1bb8960dfa65c2e5a24c6044865adb5787bc4e033230","schema_version":"1.0","event_id":"sha256:9ec76f93dbd7c4e8355d1bb8960dfa65c2e5a24c6044865adb5787bc4e033230"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:FWENXJTU5L5KN5UFWCSMMCITZH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum evolution of scalar fields in Robertson-Walker space-time","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"H.C. Reis, O.J.P. Eboli","submitted_at":"1995-10-10T18:37:24Z","abstract_excerpt":"We study the $\\lambda \\phi^4$ field theory in a flat Robertson-Walker space-time using the functional Sch\\\"odinger picture. We introduce a simple Gaussian approximation to analyze the time evolution of pure states and we establish the renormalizability of the approximation. We also show that the energy-momentum tensor in this approximation is finite once we consider the usual mass and coupling constant renormalizations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9510063","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":"2026-05-18T04:15:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n7/vQRm2cdtrsD6rkKmNwAQyYaujbvwgQoymQxDKxJp+5Y1Sbp2mfzl7JGjbRe/cRVEKCzPsGidpXsNYLQGZAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T06:21:45.266249Z"},"content_sha256":"dbceaa48dc4804bab91ddcfe2560f33da182f56103a0aeb9f9d81f41196fb31b","schema_version":"1.0","event_id":"sha256:dbceaa48dc4804bab91ddcfe2560f33da182f56103a0aeb9f9d81f41196fb31b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FWENXJTU5L5KN5UFWCSMMCITZH/bundle.json","state_url":"https://pith.science/pith/FWENXJTU5L5KN5UFWCSMMCITZH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FWENXJTU5L5KN5UFWCSMMCITZH/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":"2026-06-04T06:21:45Z","links":{"resolver":"https://pith.science/pith/FWENXJTU5L5KN5UFWCSMMCITZH","bundle":"https://pith.science/pith/FWENXJTU5L5KN5UFWCSMMCITZH/bundle.json","state":"https://pith.science/pith/FWENXJTU5L5KN5UFWCSMMCITZH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FWENXJTU5L5KN5UFWCSMMCITZH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:FWENXJTU5L5KN5UFWCSMMCITZH","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":"08cf0a67e117da242766934917e7703600292b10a85a7d2f3d47b699004aeefd","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1995-10-10T18:37:24Z","title_canon_sha256":"4059f5ad7cac8033989ee65ee390292e24949918de5952df35c6139d394688d7"},"schema_version":"1.0","source":{"id":"hep-th/9510063","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9510063","created_at":"2026-05-18T04:15:48Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9510063v1","created_at":"2026-05-18T04:15:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9510063","created_at":"2026-05-18T04:15:48Z"},{"alias_kind":"pith_short_12","alias_value":"FWENXJTU5L5K","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"FWENXJTU5L5KN5UF","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"FWENXJTU","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:dbceaa48dc4804bab91ddcfe2560f33da182f56103a0aeb9f9d81f41196fb31b","target":"graph","created_at":"2026-05-18T04:15:48Z","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 study the $\\lambda \\phi^4$ field theory in a flat Robertson-Walker space-time using the functional Sch\\\"odinger picture. We introduce a simple Gaussian approximation to analyze the time evolution of pure states and we establish the renormalizability of the approximation. We also show that the energy-momentum tensor in this approximation is finite once we consider the usual mass and coupling constant renormalizations.","authors_text":"H.C. Reis, O.J.P. Eboli","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1995-10-10T18:37:24Z","title":"Quantum evolution of scalar fields in Robertson-Walker space-time"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9510063","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":"sha256:9ec76f93dbd7c4e8355d1bb8960dfa65c2e5a24c6044865adb5787bc4e033230","target":"record","created_at":"2026-05-18T04:15:48Z","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":"08cf0a67e117da242766934917e7703600292b10a85a7d2f3d47b699004aeefd","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1995-10-10T18:37:24Z","title_canon_sha256":"4059f5ad7cac8033989ee65ee390292e24949918de5952df35c6139d394688d7"},"schema_version":"1.0","source":{"id":"hep-th/9510063","kind":"arxiv","version":1}},"canonical_sha256":"2d88dba674eafaa6f685b0a4c60913c9fd31bc1ec94c8ebdff4b41fe8cdc00f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2d88dba674eafaa6f685b0a4c60913c9fd31bc1ec94c8ebdff4b41fe8cdc00f0","first_computed_at":"2026-05-18T04:15:48.411598Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:15:48.411598Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EQINxZgZww0IBEXEDYzHZxJuV+Ef6GREy5/OD6tJJkDv4y3iA5fcPS5JNgbMJOEWk8V5hD4ZdNsnT1ciS09pCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:15:48.412293Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9510063","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ec76f93dbd7c4e8355d1bb8960dfa65c2e5a24c6044865adb5787bc4e033230","sha256:dbceaa48dc4804bab91ddcfe2560f33da182f56103a0aeb9f9d81f41196fb31b"],"state_sha256":"47563a8bd3187a1e25caeffae2231644d9cd2ae74e93832b25ffcd23f422321b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5N7v4i/T3osexeIB5gcrmyiSwyz6LND25F62f/klVNSLG5UIWOG1F+e2YGUR839aLahcPBebbpSH2t+dH3+YAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T06:21:45.268279Z","bundle_sha256":"8a2cc9d53d59e9e6d88fc6f87d4c151a3b45614f9107195b891f2baa166d53ea"}}