{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:PMDWYUUY6TKRGM2HEROFHLDRQ5","short_pith_number":"pith:PMDWYUUY","canonical_record":{"source":{"id":"hep-ph/9803394","kind":"arxiv","version":4},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1998-03-19T22:51:37Z","cross_cats_sorted":["astro-ph","cond-mat","gr-qc","hep-th"],"title_canon_sha256":"28a10a9cf330c758b1024ac4e688ad4fa5045d758ac534ecf89720acd4c9933d","abstract_canon_sha256":"d00aa04c1ea512419bf4110db6cfab32efd216e970f3340f64367d82c6edd8e6"},"schema_version":"1.0"},"canonical_sha256":"7b076c5298f4d5133347245c53ac71874061738ca2587021670c6ba95470a81d","source":{"kind":"arxiv","id":"hep-ph/9803394","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9803394","created_at":"2026-05-18T04:22:50Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9803394v4","created_at":"2026-05-18T04:22:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9803394","created_at":"2026-05-18T04:22:50Z"},{"alias_kind":"pith_short_12","alias_value":"PMDWYUUY6TKR","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"PMDWYUUY6TKRGM2H","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"PMDWYUUY","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:PMDWYUUY6TKRGM2HEROFHLDRQ5","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9803394","kind":"arxiv","version":4},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1998-03-19T22:51:37Z","cross_cats_sorted":["astro-ph","cond-mat","gr-qc","hep-th"],"title_canon_sha256":"28a10a9cf330c758b1024ac4e688ad4fa5045d758ac534ecf89720acd4c9933d","abstract_canon_sha256":"d00aa04c1ea512419bf4110db6cfab32efd216e970f3340f64367d82c6edd8e6"},"schema_version":"1.0"},"canonical_sha256":"7b076c5298f4d5133347245c53ac71874061738ca2587021670c6ba95470a81d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:22:50.620271Z","signature_b64":"/J1ZIx/WbAjFIJfkXJezeUF1OglvshfjgzgpnQnARFN22AwUzH4sslp0wfwihNHrBPOZLDXvdNbwn+Kf2FMlDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b076c5298f4d5133347245c53ac71874061738ca2587021670c6ba95470a81d","last_reissued_at":"2026-05-18T04:22:50.619637Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:22:50.619637Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9803394","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:22:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6rFTUtT4v1Km8DGoHDguSg9fvd/ykFegGaUmfTfwA0KJBvtne+Uhi7ivRXOWAOh9PLP15wBZ/Lv9rSSNekS7Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:51:48.133333Z"},"content_sha256":"d4fb6426cbb9037bf4a18f755fabc6519b16c929fab4050596b4fcab18ac6d35","schema_version":"1.0","event_id":"sha256:d4fb6426cbb9037bf4a18f755fabc6519b16c929fab4050596b4fcab18ac6d35"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:PMDWYUUY6TKRGM2HEROFHLDRQ5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Strong Dissipative Behavior in Quantum Field Theory","license":"","headline":"","cross_cats":["astro-ph","cond-mat","gr-qc","hep-th"],"primary_cat":"hep-ph","authors_text":"Arjun Berera, Marcelo Gleiser, Rudnei O. Ramos","submitted_at":"1998-03-19T22:51:37Z","abstract_excerpt":"We study under which conditions an overdamped regime can be attained in the dynamic evolution of a quantum field configuration. Using a real-time formulation of finite temperature field theory, we compute the effective evolution equation of a scalar field configuration, quadratically interacting with a given set of other scalar fields. We then show that, in the overdamped regime, the dissipative kernel in the field equation of motion is closely related to the shear viscosity coefficient, as computed in scalar field theory at finite temperature. The effective dynamics is equivalent to a time-de"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9803394","kind":"arxiv","version":4},"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":"2026-05-18T04:22:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dNf3zVwyRK0nPCUWofLCVG43K/xUfE2c6WqH4hUqCky//RBkH/UAakeSnDyqPbEVoUktUIPKpCqy3zhJMlr1AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:51:48.133694Z"},"content_sha256":"8f05d88b6634dce8878aa0afc48dc2bff28cdf5aa8e361b6d30029e01eb63a63","schema_version":"1.0","event_id":"sha256:8f05d88b6634dce8878aa0afc48dc2bff28cdf5aa8e361b6d30029e01eb63a63"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PMDWYUUY6TKRGM2HEROFHLDRQ5/bundle.json","state_url":"https://pith.science/pith/PMDWYUUY6TKRGM2HEROFHLDRQ5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PMDWYUUY6TKRGM2HEROFHLDRQ5/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":"2026-06-01T05:51:48Z","links":{"resolver":"https://pith.science/pith/PMDWYUUY6TKRGM2HEROFHLDRQ5","bundle":"https://pith.science/pith/PMDWYUUY6TKRGM2HEROFHLDRQ5/bundle.json","state":"https://pith.science/pith/PMDWYUUY6TKRGM2HEROFHLDRQ5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PMDWYUUY6TKRGM2HEROFHLDRQ5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:PMDWYUUY6TKRGM2HEROFHLDRQ5","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":"d00aa04c1ea512419bf4110db6cfab32efd216e970f3340f64367d82c6edd8e6","cross_cats_sorted":["astro-ph","cond-mat","gr-qc","hep-th"],"license":"","primary_cat":"hep-ph","submitted_at":"1998-03-19T22:51:37Z","title_canon_sha256":"28a10a9cf330c758b1024ac4e688ad4fa5045d758ac534ecf89720acd4c9933d"},"schema_version":"1.0","source":{"id":"hep-ph/9803394","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9803394","created_at":"2026-05-18T04:22:50Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9803394v4","created_at":"2026-05-18T04:22:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9803394","created_at":"2026-05-18T04:22:50Z"},{"alias_kind":"pith_short_12","alias_value":"PMDWYUUY6TKR","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"PMDWYUUY6TKRGM2H","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"PMDWYUUY","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:8f05d88b6634dce8878aa0afc48dc2bff28cdf5aa8e361b6d30029e01eb63a63","target":"graph","created_at":"2026-05-18T04:22:50Z","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 under which conditions an overdamped regime can be attained in the dynamic evolution of a quantum field configuration. Using a real-time formulation of finite temperature field theory, we compute the effective evolution equation of a scalar field configuration, quadratically interacting with a given set of other scalar fields. We then show that, in the overdamped regime, the dissipative kernel in the field equation of motion is closely related to the shear viscosity coefficient, as computed in scalar field theory at finite temperature. The effective dynamics is equivalent to a time-de","authors_text":"Arjun Berera, Marcelo Gleiser, Rudnei O. Ramos","cross_cats":["astro-ph","cond-mat","gr-qc","hep-th"],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1998-03-19T22:51:37Z","title":"Strong Dissipative Behavior in Quantum Field Theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9803394","kind":"arxiv","version":4},"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:d4fb6426cbb9037bf4a18f755fabc6519b16c929fab4050596b4fcab18ac6d35","target":"record","created_at":"2026-05-18T04:22:50Z","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":"d00aa04c1ea512419bf4110db6cfab32efd216e970f3340f64367d82c6edd8e6","cross_cats_sorted":["astro-ph","cond-mat","gr-qc","hep-th"],"license":"","primary_cat":"hep-ph","submitted_at":"1998-03-19T22:51:37Z","title_canon_sha256":"28a10a9cf330c758b1024ac4e688ad4fa5045d758ac534ecf89720acd4c9933d"},"schema_version":"1.0","source":{"id":"hep-ph/9803394","kind":"arxiv","version":4}},"canonical_sha256":"7b076c5298f4d5133347245c53ac71874061738ca2587021670c6ba95470a81d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7b076c5298f4d5133347245c53ac71874061738ca2587021670c6ba95470a81d","first_computed_at":"2026-05-18T04:22:50.619637Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:22:50.619637Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/J1ZIx/WbAjFIJfkXJezeUF1OglvshfjgzgpnQnARFN22AwUzH4sslp0wfwihNHrBPOZLDXvdNbwn+Kf2FMlDA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:22:50.620271Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9803394","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4fb6426cbb9037bf4a18f755fabc6519b16c929fab4050596b4fcab18ac6d35","sha256:8f05d88b6634dce8878aa0afc48dc2bff28cdf5aa8e361b6d30029e01eb63a63"],"state_sha256":"1a0dde51135feaefad28f8ddf89e4286923bd414a8330e9d233ef9d60475308f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9k8yRoNjcgLzom2uuwkQCo5l5gyr0ty+lo7jx8ccyuIzkGk9uQHyqiSYA6MLufTfRjF/IAB5CVV2ewNmUildCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T05:51:48.135894Z","bundle_sha256":"04058755223879f31bbbeebdf70452e9b5b83167fe5c120776d30370a6e8611d"}}