{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:2WWMRFBVBN4LC7IBCRIBX45RCH","short_pith_number":"pith:2WWMRFBV","canonical_record":{"source":{"id":"hep-ph/9810393","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1998-10-16T22:55:24Z","cross_cats_sorted":[],"title_canon_sha256":"3d245d5bb315ca1fa1c52fd2d43392b904414b895df99311224bdbb3fcb6ace3","abstract_canon_sha256":"53d933879d6c32c1b7b18b78a8ed59d986b8dbbd59382d69702f5144c0360d3f"},"schema_version":"1.0"},"canonical_sha256":"d5acc894350b78b17d0114501bf3b111ff987eba9efa785d22c151cd4e0666d4","source":{"kind":"arxiv","id":"hep-ph/9810393","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9810393","created_at":"2026-05-18T01:08:04Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9810393v2","created_at":"2026-05-18T01:08:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9810393","created_at":"2026-05-18T01:08:04Z"},{"alias_kind":"pith_short_12","alias_value":"2WWMRFBVBN4L","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"2WWMRFBVBN4LC7IB","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"2WWMRFBV","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:2WWMRFBVBN4LC7IBCRIBX45RCH","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9810393","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1998-10-16T22:55:24Z","cross_cats_sorted":[],"title_canon_sha256":"3d245d5bb315ca1fa1c52fd2d43392b904414b895df99311224bdbb3fcb6ace3","abstract_canon_sha256":"53d933879d6c32c1b7b18b78a8ed59d986b8dbbd59382d69702f5144c0360d3f"},"schema_version":"1.0"},"canonical_sha256":"d5acc894350b78b17d0114501bf3b111ff987eba9efa785d22c151cd4e0666d4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:04.132308Z","signature_b64":"EgLHC3abewWHQAVyMGkMrv4yyl19VltOdaXK/TsQUNU2+xA3cNWCsMhRQjeK5kMbFu8cGrixRjMnwqHaykblBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d5acc894350b78b17d0114501bf3b111ff987eba9efa785d22c151cd4e0666d4","last_reissued_at":"2026-05-18T01:08:04.131658Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:04.131658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9810393","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:08:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Stfpa0dsgPmRBf3jWsI2F268Zt1lSCQzxFZRwXAHUtYdRc3X1fJc85nDoYWLTfJJKCn8Fivpew01X/y1g45jCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T17:56:15.375876Z"},"content_sha256":"8191226bf88c5f9fec63917b9fa048c1dae511eee374ef89b59f9a02b155ab27","schema_version":"1.0","event_id":"sha256:8191226bf88c5f9fec63917b9fa048c1dae511eee374ef89b59f9a02b155ab27"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:2WWMRFBVBN4LC7IBCRIBX45RCH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fermion Damping in a Fermion-Scalar Plasma","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"D. Boyanovsky, D.-S. Lee, H. J. de Vega, S.-Y. Wang, Y.J. Ng","submitted_at":"1998-10-16T22:55:24Z","abstract_excerpt":"In this article we study the dynamics of fermions in a fermion-scalar plasma. We begin by obtaining the effective in-medium Dirac equation in real time which is fully renormalized and causal and leads to the initial value problem. For a heavy scalar we find the novel result that the decay of the scalar into fermion pairs in the medium leads to damping of the fermionic excitations and their in-medium propagation as quasiparticles. That is, the fermions acquire a width due to the decay of the heavier scalar in the medium. We find the damping rate to lowest order in the Yukawa coupling for arbitr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9810393","kind":"arxiv","version":2},"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":"2026-05-18T01:08:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cnU2zkln1AXozuGXlLLlYDJvrs8BQhrrKH3gNwzb0pUb/MOajooQn4OTytCLfqJgri4acU4figXsi07Z7ohjAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T17:56:15.376600Z"},"content_sha256":"dacf31b9454fe6f54f10b1ca6de73b001e00f9b8115bfeccb23e2f820dc97aab","schema_version":"1.0","event_id":"sha256:dacf31b9454fe6f54f10b1ca6de73b001e00f9b8115bfeccb23e2f820dc97aab"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2WWMRFBVBN4LC7IBCRIBX45RCH/bundle.json","state_url":"https://pith.science/pith/2WWMRFBVBN4LC7IBCRIBX45RCH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2WWMRFBVBN4LC7IBCRIBX45RCH/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":"2026-05-27T17:56:15Z","links":{"resolver":"https://pith.science/pith/2WWMRFBVBN4LC7IBCRIBX45RCH","bundle":"https://pith.science/pith/2WWMRFBVBN4LC7IBCRIBX45RCH/bundle.json","state":"https://pith.science/pith/2WWMRFBVBN4LC7IBCRIBX45RCH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2WWMRFBVBN4LC7IBCRIBX45RCH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:2WWMRFBVBN4LC7IBCRIBX45RCH","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":"53d933879d6c32c1b7b18b78a8ed59d986b8dbbd59382d69702f5144c0360d3f","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1998-10-16T22:55:24Z","title_canon_sha256":"3d245d5bb315ca1fa1c52fd2d43392b904414b895df99311224bdbb3fcb6ace3"},"schema_version":"1.0","source":{"id":"hep-ph/9810393","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9810393","created_at":"2026-05-18T01:08:04Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9810393v2","created_at":"2026-05-18T01:08:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9810393","created_at":"2026-05-18T01:08:04Z"},{"alias_kind":"pith_short_12","alias_value":"2WWMRFBVBN4L","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"2WWMRFBVBN4LC7IB","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"2WWMRFBV","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:dacf31b9454fe6f54f10b1ca6de73b001e00f9b8115bfeccb23e2f820dc97aab","target":"graph","created_at":"2026-05-18T01:08:04Z","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":"In this article we study the dynamics of fermions in a fermion-scalar plasma. We begin by obtaining the effective in-medium Dirac equation in real time which is fully renormalized and causal and leads to the initial value problem. For a heavy scalar we find the novel result that the decay of the scalar into fermion pairs in the medium leads to damping of the fermionic excitations and their in-medium propagation as quasiparticles. That is, the fermions acquire a width due to the decay of the heavier scalar in the medium. We find the damping rate to lowest order in the Yukawa coupling for arbitr","authors_text":"D. Boyanovsky, D.-S. Lee, H. J. de Vega, S.-Y. Wang, Y.J. Ng","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1998-10-16T22:55:24Z","title":"Fermion Damping in a Fermion-Scalar Plasma"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9810393","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":"sha256:8191226bf88c5f9fec63917b9fa048c1dae511eee374ef89b59f9a02b155ab27","target":"record","created_at":"2026-05-18T01:08:04Z","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":"53d933879d6c32c1b7b18b78a8ed59d986b8dbbd59382d69702f5144c0360d3f","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1998-10-16T22:55:24Z","title_canon_sha256":"3d245d5bb315ca1fa1c52fd2d43392b904414b895df99311224bdbb3fcb6ace3"},"schema_version":"1.0","source":{"id":"hep-ph/9810393","kind":"arxiv","version":2}},"canonical_sha256":"d5acc894350b78b17d0114501bf3b111ff987eba9efa785d22c151cd4e0666d4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d5acc894350b78b17d0114501bf3b111ff987eba9efa785d22c151cd4e0666d4","first_computed_at":"2026-05-18T01:08:04.131658Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:04.131658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EgLHC3abewWHQAVyMGkMrv4yyl19VltOdaXK/TsQUNU2+xA3cNWCsMhRQjeK5kMbFu8cGrixRjMnwqHaykblBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:04.132308Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9810393","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8191226bf88c5f9fec63917b9fa048c1dae511eee374ef89b59f9a02b155ab27","sha256:dacf31b9454fe6f54f10b1ca6de73b001e00f9b8115bfeccb23e2f820dc97aab"],"state_sha256":"f323cb8da4ad820d951dd52c958f8729dd335b6d79449a3b919db0e240afccb1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4TvvavtvdXzKjWrQwre0+mZxjtRhadQQ/P/1B2MO2S289VPYc5FQdfNldNaEQGc8vaqcF9ryM0hAALtX6Z+pBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T17:56:15.380880Z","bundle_sha256":"e0da9bd298992886277f5ac0fd253338ea69eb6438f3606e00e3685828d6ade3"}}