{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:MTECNQMQBPHXWOL3C2ZVHJPPF4","short_pith_number":"pith:MTECNQMQ","canonical_record":{"source":{"id":"1904.00131","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-03-30T01:35:56Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"57fb91dfa8c42adeab75eed10b7d4a669e8d1f0da8c65133810b47dfa029162c","abstract_canon_sha256":"47190b76d0e339dd2fa9bd9bb2387a9c376ab54246ae9c881d6299e669af7780"},"schema_version":"1.0"},"canonical_sha256":"64c826c1900bcf7b397b16b353a5ef2f0aa2ef82b1648eb4ada45c54aa894c8a","source":{"kind":"arxiv","id":"1904.00131","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.00131","created_at":"2026-05-17T23:49:49Z"},{"alias_kind":"arxiv_version","alias_value":"1904.00131v1","created_at":"2026-05-17T23:49:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.00131","created_at":"2026-05-17T23:49:49Z"},{"alias_kind":"pith_short_12","alias_value":"MTECNQMQBPHX","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"MTECNQMQBPHXWOL3","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"MTECNQMQ","created_at":"2026-05-18T12:33:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:MTECNQMQBPHXWOL3C2ZVHJPPF4","target":"record","payload":{"canonical_record":{"source":{"id":"1904.00131","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-03-30T01:35:56Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"57fb91dfa8c42adeab75eed10b7d4a669e8d1f0da8c65133810b47dfa029162c","abstract_canon_sha256":"47190b76d0e339dd2fa9bd9bb2387a9c376ab54246ae9c881d6299e669af7780"},"schema_version":"1.0"},"canonical_sha256":"64c826c1900bcf7b397b16b353a5ef2f0aa2ef82b1648eb4ada45c54aa894c8a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:49.344344Z","signature_b64":"dtt2zXNNasRYc6REeVuJJPdhyIIWdQJjmYspLxmQYveK4inRyH1GBILk7KuvnHHXHIIO+jVi7zgRtpkzJJ7qCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64c826c1900bcf7b397b16b353a5ef2f0aa2ef82b1648eb4ada45c54aa894c8a","last_reissued_at":"2026-05-17T23:49:49.343588Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:49.343588Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.00131","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":"2026-05-17T23:49:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jh3UIJ8fPM3tJFhvi1KPHfrXWny0idYd1gSzni5OvkDRA9qZIQn33ByMPAGsiTiQGx+gZkLaLTNIO4uNRcZSCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:06:11.403154Z"},"content_sha256":"af592e008304b46eeaa2429e8f4a03d7f1a1af710d270d30df219bdacbbf34c8","schema_version":"1.0","event_id":"sha256:af592e008304b46eeaa2429e8f4a03d7f1a1af710d270d30df219bdacbbf34c8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:MTECNQMQBPHXWOL3C2ZVHJPPF4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transport approaches for the Description of Intermediate-Energy Heavy-Ion Collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"Jun Xu","submitted_at":"2019-03-30T01:35:56Z","abstract_excerpt":"The transport approach is a useful tool to study dynamics of non-equilibrium systems. For heavy-ion collisions at intermediate energies, where both the smooth nucleon potential and the hard-core nucleon-nucleon collision are important, the dynamics are properly described by two families of transport models, i.e., the Boltzmann-Uehling-Uhlenbeck approach and the quantum molecular dynamics approach. These transport models have been extensively used to extract valuable information of the nuclear equation of state, the nuclear symmetry energy, and microscopic nuclear interactions from intermediate"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.00131","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":"2026-05-17T23:49:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8QQl39i7WEflVZAW/FKVLZ8njAvLRGxPx0eE/NC5Wb+cTou3ei8uh3VFkcmZnd1FlTpS5FAebGqClzUERPywCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:06:11.404539Z"},"content_sha256":"e6035083731517e6be97e913119368225099b9ed5648d0e1047195cbc50cb1f1","schema_version":"1.0","event_id":"sha256:e6035083731517e6be97e913119368225099b9ed5648d0e1047195cbc50cb1f1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MTECNQMQBPHXWOL3C2ZVHJPPF4/bundle.json","state_url":"https://pith.science/pith/MTECNQMQBPHXWOL3C2ZVHJPPF4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MTECNQMQBPHXWOL3C2ZVHJPPF4/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":"2026-08-05T22:06:11Z","links":{"resolver":"https://pith.science/pith/MTECNQMQBPHXWOL3C2ZVHJPPF4","bundle":"https://pith.science/pith/MTECNQMQBPHXWOL3C2ZVHJPPF4/bundle.json","state":"https://pith.science/pith/MTECNQMQBPHXWOL3C2ZVHJPPF4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MTECNQMQBPHXWOL3C2ZVHJPPF4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:MTECNQMQBPHXWOL3C2ZVHJPPF4","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":"47190b76d0e339dd2fa9bd9bb2387a9c376ab54246ae9c881d6299e669af7780","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-03-30T01:35:56Z","title_canon_sha256":"57fb91dfa8c42adeab75eed10b7d4a669e8d1f0da8c65133810b47dfa029162c"},"schema_version":"1.0","source":{"id":"1904.00131","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.00131","created_at":"2026-05-17T23:49:49Z"},{"alias_kind":"arxiv_version","alias_value":"1904.00131v1","created_at":"2026-05-17T23:49:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.00131","created_at":"2026-05-17T23:49:49Z"},{"alias_kind":"pith_short_12","alias_value":"MTECNQMQBPHX","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"MTECNQMQBPHXWOL3","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"MTECNQMQ","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:e6035083731517e6be97e913119368225099b9ed5648d0e1047195cbc50cb1f1","target":"graph","created_at":"2026-05-17T23:49:49Z","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":"The transport approach is a useful tool to study dynamics of non-equilibrium systems. For heavy-ion collisions at intermediate energies, where both the smooth nucleon potential and the hard-core nucleon-nucleon collision are important, the dynamics are properly described by two families of transport models, i.e., the Boltzmann-Uehling-Uhlenbeck approach and the quantum molecular dynamics approach. These transport models have been extensively used to extract valuable information of the nuclear equation of state, the nuclear symmetry energy, and microscopic nuclear interactions from intermediate","authors_text":"Jun Xu","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-03-30T01:35:56Z","title":"Transport approaches for the Description of Intermediate-Energy Heavy-Ion Collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.00131","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:af592e008304b46eeaa2429e8f4a03d7f1a1af710d270d30df219bdacbbf34c8","target":"record","created_at":"2026-05-17T23:49:49Z","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":"47190b76d0e339dd2fa9bd9bb2387a9c376ab54246ae9c881d6299e669af7780","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-03-30T01:35:56Z","title_canon_sha256":"57fb91dfa8c42adeab75eed10b7d4a669e8d1f0da8c65133810b47dfa029162c"},"schema_version":"1.0","source":{"id":"1904.00131","kind":"arxiv","version":1}},"canonical_sha256":"64c826c1900bcf7b397b16b353a5ef2f0aa2ef82b1648eb4ada45c54aa894c8a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64c826c1900bcf7b397b16b353a5ef2f0aa2ef82b1648eb4ada45c54aa894c8a","first_computed_at":"2026-05-17T23:49:49.343588Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:49.343588Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dtt2zXNNasRYc6REeVuJJPdhyIIWdQJjmYspLxmQYveK4inRyH1GBILk7KuvnHHXHIIO+jVi7zgRtpkzJJ7qCA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:49.344344Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.00131","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af592e008304b46eeaa2429e8f4a03d7f1a1af710d270d30df219bdacbbf34c8","sha256:e6035083731517e6be97e913119368225099b9ed5648d0e1047195cbc50cb1f1"],"state_sha256":"5a7aebdac3d761aeb5614293cbaae8eaac3a30effb310e6a853df144582a9e74"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2gX2X/ngQnZXpI1TFeB5918BFBNgNrtP3EI24U2LzBRk0CSfoZQkp/NmFB0C8+By0LTtRKPBLA0UUxmpMdz8Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T22:06:11.410463Z","bundle_sha256":"dbeffe366c4d34e54942b1ebfd97419a76409b628bfd082d3158e8ac5a9fbd5b"}}