{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:GT5RB3JSKXLVEUW6XNXBDVDKSC","short_pith_number":"pith:GT5RB3JS","canonical_record":{"source":{"id":"nucl-th/0009037","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"2000-09-13T06:50:21Z","cross_cats_sorted":[],"title_canon_sha256":"e9e4ebb9fc5dc768225c8de75c3b4c7cfe283da1816ee2af932fa0cfaebc7d80","abstract_canon_sha256":"08cf14be3dd4f9181f9a249cef767bc36a5d290cf828bb25c88892418afd129a"},"schema_version":"1.0"},"canonical_sha256":"34fb10ed3255d75252debb6e11d46a90a61300a313d69ec03fa73b5376bb0dfa","source":{"kind":"arxiv","id":"nucl-th/0009037","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/0009037","created_at":"2026-07-04T16:22:06Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/0009037v2","created_at":"2026-07-04T16:22:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/0009037","created_at":"2026-07-04T16:22:06Z"},{"alias_kind":"pith_short_12","alias_value":"GT5RB3JSKXLV","created_at":"2026-07-04T16:22:06Z"},{"alias_kind":"pith_short_16","alias_value":"GT5RB3JSKXLVEUW6","created_at":"2026-07-04T16:22:06Z"},{"alias_kind":"pith_short_8","alias_value":"GT5RB3JS","created_at":"2026-07-04T16:22:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:GT5RB3JSKXLVEUW6XNXBDVDKSC","target":"record","payload":{"canonical_record":{"source":{"id":"nucl-th/0009037","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"2000-09-13T06:50:21Z","cross_cats_sorted":[],"title_canon_sha256":"e9e4ebb9fc5dc768225c8de75c3b4c7cfe283da1816ee2af932fa0cfaebc7d80","abstract_canon_sha256":"08cf14be3dd4f9181f9a249cef767bc36a5d290cf828bb25c88892418afd129a"},"schema_version":"1.0"},"canonical_sha256":"34fb10ed3255d75252debb6e11d46a90a61300a313d69ec03fa73b5376bb0dfa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:22:06.188087Z","signature_b64":"02na5KTcRtTdcKvrv2zE8CpcpRXTtxIljxPWY+njtCJuoDCVQ538evzQl2v+5qwND4LAWbV0ZuODrewiRITkDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"34fb10ed3255d75252debb6e11d46a90a61300a313d69ec03fa73b5376bb0dfa","last_reissued_at":"2026-07-04T16:22:06.187658Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:22:06.187658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nucl-th/0009037","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":"2026-07-04T16:22:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XqBl82s6NwoGYb/xxCebSDAYR05KuCxn635/pj5ONppkFVokGKsJsL1B46n8SFnQYvCtHTEqSB6/yzoLDm0iDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T19:40:46.420830Z"},"content_sha256":"dcc370911969f2e48d102e3af43050b051247fba8999a82a69390b2d6e9e93a7","schema_version":"1.0","event_id":"sha256:dcc370911969f2e48d102e3af43050b051247fba8999a82a69390b2d6e9e93a7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:GT5RB3JSKXLVEUW6XNXBDVDKSC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Medium corrections in the formation of light charged particles in heavy ion reactions","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"C. Kuhrts (U Rostock), G. Roepke (U Rostock), M. Beyer (U Rostock), MSU), P. Danielewicz (NCSL","submitted_at":"2000-09-13T06:50:21Z","abstract_excerpt":"Within a microscopic statistical description of heavy ion collisions, we investigate the effect of the medium on the formation of light clusters. The dominant medium effects are self-energy corrections and Pauli blocking that produce the Mott effect for composite particles and enhanced reaction rates in the collision integrals. Microscopic description of composites in the medium follows the Dyson equation approach combined with the cluster mean-field expansion. The resulting effective few-body problem is solved within a properly modified Alt-Grassberger-Sandhas formalism. The results are incor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/0009037","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/nucl-th/0009037/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T16:22:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"82bTozffz+Hx6iWvP9GO2Qg5fvpP33tzWb0VQp+21Oe+mj1XZ7VqCcSLOD1BHgLPV4OmgZ3MLLF+cw2WSnb4AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T19:40:46.421344Z"},"content_sha256":"0386c97cf8054f983fee5d0b56baae652e6d089761e524d66e80a765eacb9b6a","schema_version":"1.0","event_id":"sha256:0386c97cf8054f983fee5d0b56baae652e6d089761e524d66e80a765eacb9b6a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GT5RB3JSKXLVEUW6XNXBDVDKSC/bundle.json","state_url":"https://pith.science/pith/GT5RB3JSKXLVEUW6XNXBDVDKSC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GT5RB3JSKXLVEUW6XNXBDVDKSC/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":"2026-08-15T19:40:46Z","links":{"resolver":"https://pith.science/pith/GT5RB3JSKXLVEUW6XNXBDVDKSC","bundle":"https://pith.science/pith/GT5RB3JSKXLVEUW6XNXBDVDKSC/bundle.json","state":"https://pith.science/pith/GT5RB3JSKXLVEUW6XNXBDVDKSC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GT5RB3JSKXLVEUW6XNXBDVDKSC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:GT5RB3JSKXLVEUW6XNXBDVDKSC","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":"08cf14be3dd4f9181f9a249cef767bc36a5d290cf828bb25c88892418afd129a","cross_cats_sorted":[],"license":"","primary_cat":"nucl-th","submitted_at":"2000-09-13T06:50:21Z","title_canon_sha256":"e9e4ebb9fc5dc768225c8de75c3b4c7cfe283da1816ee2af932fa0cfaebc7d80"},"schema_version":"1.0","source":{"id":"nucl-th/0009037","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/0009037","created_at":"2026-07-04T16:22:06Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/0009037v2","created_at":"2026-07-04T16:22:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/0009037","created_at":"2026-07-04T16:22:06Z"},{"alias_kind":"pith_short_12","alias_value":"GT5RB3JSKXLV","created_at":"2026-07-04T16:22:06Z"},{"alias_kind":"pith_short_16","alias_value":"GT5RB3JSKXLVEUW6","created_at":"2026-07-04T16:22:06Z"},{"alias_kind":"pith_short_8","alias_value":"GT5RB3JS","created_at":"2026-07-04T16:22:06Z"}],"graph_snapshots":[{"event_id":"sha256:0386c97cf8054f983fee5d0b56baae652e6d089761e524d66e80a765eacb9b6a","target":"graph","created_at":"2026-07-04T16:22:06Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/nucl-th/0009037/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Within a microscopic statistical description of heavy ion collisions, we investigate the effect of the medium on the formation of light clusters. The dominant medium effects are self-energy corrections and Pauli blocking that produce the Mott effect for composite particles and enhanced reaction rates in the collision integrals. Microscopic description of composites in the medium follows the Dyson equation approach combined with the cluster mean-field expansion. The resulting effective few-body problem is solved within a properly modified Alt-Grassberger-Sandhas formalism. The results are incor","authors_text":"C. Kuhrts (U Rostock), G. Roepke (U Rostock), M. Beyer (U Rostock), MSU), P. Danielewicz (NCSL","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-th","submitted_at":"2000-09-13T06:50:21Z","title":"Medium corrections in the formation of light charged particles in heavy ion reactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/0009037","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:dcc370911969f2e48d102e3af43050b051247fba8999a82a69390b2d6e9e93a7","target":"record","created_at":"2026-07-04T16:22:06Z","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":"08cf14be3dd4f9181f9a249cef767bc36a5d290cf828bb25c88892418afd129a","cross_cats_sorted":[],"license":"","primary_cat":"nucl-th","submitted_at":"2000-09-13T06:50:21Z","title_canon_sha256":"e9e4ebb9fc5dc768225c8de75c3b4c7cfe283da1816ee2af932fa0cfaebc7d80"},"schema_version":"1.0","source":{"id":"nucl-th/0009037","kind":"arxiv","version":2}},"canonical_sha256":"34fb10ed3255d75252debb6e11d46a90a61300a313d69ec03fa73b5376bb0dfa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"34fb10ed3255d75252debb6e11d46a90a61300a313d69ec03fa73b5376bb0dfa","first_computed_at":"2026-07-04T16:22:06.187658Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:22:06.187658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"02na5KTcRtTdcKvrv2zE8CpcpRXTtxIljxPWY+njtCJuoDCVQ538evzQl2v+5qwND4LAWbV0ZuODrewiRITkDA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:22:06.188087Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-th/0009037","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dcc370911969f2e48d102e3af43050b051247fba8999a82a69390b2d6e9e93a7","sha256:0386c97cf8054f983fee5d0b56baae652e6d089761e524d66e80a765eacb9b6a"],"state_sha256":"488485176cbaa0fa69d718cfab5227d54d83797b5e1ffc99384f816299770f5b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/89kjciu7Chy18bAE7fEY9Si59jZhh58e4rVoITR8zAVC64Dht1C1mREg6K9wJ1GWrohtxdfS6BAJWGls0L/CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T19:40:46.425472Z","bundle_sha256":"5753cccc67605a3f20d348f9c2b1e64bdbd850329a6984b0ffda1fda06f062b4"}}