{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:M3KBHABCWTEN24KYBOS2WWUCZW","short_pith_number":"pith:M3KBHABC","canonical_record":{"source":{"id":"2007.09404","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2020-07-18T11:02:46Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"92530d615c5d0e4921334316d0b660b76d5b667d6faaa210d354f1ec45a4c8fb","abstract_canon_sha256":"560564c24be074ca09da9619ed832782e1c0da7449bdd183f73d896918a5ac7e"},"schema_version":"1.0"},"canonical_sha256":"66d4138022b4c8dd71580ba5ab5a82cda37299bcb032ec4a6f253a8cc3114191","source":{"kind":"arxiv","id":"2007.09404","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.09404","created_at":"2026-07-05T02:27:23Z"},{"alias_kind":"arxiv_version","alias_value":"2007.09404v2","created_at":"2026-07-05T02:27:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.09404","created_at":"2026-07-05T02:27:23Z"},{"alias_kind":"pith_short_12","alias_value":"M3KBHABCWTEN","created_at":"2026-07-05T02:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"M3KBHABCWTEN24KY","created_at":"2026-07-05T02:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"M3KBHABC","created_at":"2026-07-05T02:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:M3KBHABCWTEN24KYBOS2WWUCZW","target":"record","payload":{"canonical_record":{"source":{"id":"2007.09404","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2020-07-18T11:02:46Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"92530d615c5d0e4921334316d0b660b76d5b667d6faaa210d354f1ec45a4c8fb","abstract_canon_sha256":"560564c24be074ca09da9619ed832782e1c0da7449bdd183f73d896918a5ac7e"},"schema_version":"1.0"},"canonical_sha256":"66d4138022b4c8dd71580ba5ab5a82cda37299bcb032ec4a6f253a8cc3114191","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:27:23.460140Z","signature_b64":"TMqpmU/gdFkCSwjg80NXSzXuJT3P4vI4t7ynoibPJYGNxMi/jyB7InWIkhiNivG7dXQ3LNNVTr6vGAMXesZgBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"66d4138022b4c8dd71580ba5ab5a82cda37299bcb032ec4a6f253a8cc3114191","last_reissued_at":"2026-07-05T02:27:23.459709Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:27:23.459709Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2007.09404","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":"2026-07-05T02:27:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jhUAkLJS05gQ93o26nxBR4OIggLgHk1XOp8hRBpFDxUdHzYcN5joNXyNtHdoD568qei1JdZIJ/iSbHmednfZCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T18:54:19.289742Z"},"content_sha256":"4caa03786c07b547e46234f9970eb6002e2e2ea3f87cd97484db83ae0f275e58","schema_version":"1.0","event_id":"sha256:4caa03786c07b547e46234f9970eb6002e2e2ea3f87cd97484db83ae0f275e58"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:M3KBHABCWTEN24KYBOS2WWUCZW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing in-medium nucleon-nucleon inelastic scattering cross section by using energetic n/p ratio","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"Gao-Chan Yong, Ya-Fei Guo, Zong-Zhen Zhang","submitted_at":"2020-07-18T11:02:46Z","abstract_excerpt":"Based on the Isospin-dependent Boltzmann-Uehling-Uhlenbeck (IBUU) transport model, the in-medium nucleon-nucleon inelastic scattering ( which is dominated by pion production at low and intermediate energies) is explored. It is found that the in-medium modification of nucleon-nucleon inelastic scatterings appears to reduce the neutron to proton ratio n/p at higher kinetic energies. Although the in-medium modification of nucleon-nucleon inelastic scatterings, as expected, affects the value of $\\pi^-/\\pi^+$ ratio, considering a series of undetermined properties of delta resonance and $\\pi$ in med"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.09404","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/2007.09404/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":"2026-07-05T02:27:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UwIcprFXZlKbJdrbAEBTYiNRo+w8WB+wA3oAi335MWpPPkchid5TnWhcnSQi4CE7Ck4WrDPxPZOBB1IT6LOnDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T18:54:19.290328Z"},"content_sha256":"a9e46e6ac75efd287cc8db57e76b944fecf3d73f09dda3f11681b91a9caa0731","schema_version":"1.0","event_id":"sha256:a9e46e6ac75efd287cc8db57e76b944fecf3d73f09dda3f11681b91a9caa0731"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M3KBHABCWTEN24KYBOS2WWUCZW/bundle.json","state_url":"https://pith.science/pith/M3KBHABCWTEN24KYBOS2WWUCZW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M3KBHABCWTEN24KYBOS2WWUCZW/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":"2026-08-12T18:54:19Z","links":{"resolver":"https://pith.science/pith/M3KBHABCWTEN24KYBOS2WWUCZW","bundle":"https://pith.science/pith/M3KBHABCWTEN24KYBOS2WWUCZW/bundle.json","state":"https://pith.science/pith/M3KBHABCWTEN24KYBOS2WWUCZW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M3KBHABCWTEN24KYBOS2WWUCZW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:M3KBHABCWTEN24KYBOS2WWUCZW","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":"560564c24be074ca09da9619ed832782e1c0da7449bdd183f73d896918a5ac7e","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2020-07-18T11:02:46Z","title_canon_sha256":"92530d615c5d0e4921334316d0b660b76d5b667d6faaa210d354f1ec45a4c8fb"},"schema_version":"1.0","source":{"id":"2007.09404","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.09404","created_at":"2026-07-05T02:27:23Z"},{"alias_kind":"arxiv_version","alias_value":"2007.09404v2","created_at":"2026-07-05T02:27:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.09404","created_at":"2026-07-05T02:27:23Z"},{"alias_kind":"pith_short_12","alias_value":"M3KBHABCWTEN","created_at":"2026-07-05T02:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"M3KBHABCWTEN24KY","created_at":"2026-07-05T02:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"M3KBHABC","created_at":"2026-07-05T02:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:a9e46e6ac75efd287cc8db57e76b944fecf3d73f09dda3f11681b91a9caa0731","target":"graph","created_at":"2026-07-05T02:27:23Z","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/2007.09404/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Based on the Isospin-dependent Boltzmann-Uehling-Uhlenbeck (IBUU) transport model, the in-medium nucleon-nucleon inelastic scattering ( which is dominated by pion production at low and intermediate energies) is explored. It is found that the in-medium modification of nucleon-nucleon inelastic scatterings appears to reduce the neutron to proton ratio n/p at higher kinetic energies. Although the in-medium modification of nucleon-nucleon inelastic scatterings, as expected, affects the value of $\\pi^-/\\pi^+$ ratio, considering a series of undetermined properties of delta resonance and $\\pi$ in med","authors_text":"Gao-Chan Yong, Ya-Fei Guo, Zong-Zhen Zhang","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2020-07-18T11:02:46Z","title":"Probing in-medium nucleon-nucleon inelastic scattering cross section by using energetic n/p ratio"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.09404","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":"sha256:4caa03786c07b547e46234f9970eb6002e2e2ea3f87cd97484db83ae0f275e58","target":"record","created_at":"2026-07-05T02:27:23Z","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":"560564c24be074ca09da9619ed832782e1c0da7449bdd183f73d896918a5ac7e","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2020-07-18T11:02:46Z","title_canon_sha256":"92530d615c5d0e4921334316d0b660b76d5b667d6faaa210d354f1ec45a4c8fb"},"schema_version":"1.0","source":{"id":"2007.09404","kind":"arxiv","version":2}},"canonical_sha256":"66d4138022b4c8dd71580ba5ab5a82cda37299bcb032ec4a6f253a8cc3114191","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"66d4138022b4c8dd71580ba5ab5a82cda37299bcb032ec4a6f253a8cc3114191","first_computed_at":"2026-07-05T02:27:23.459709Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:27:23.459709Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TMqpmU/gdFkCSwjg80NXSzXuJT3P4vI4t7ynoibPJYGNxMi/jyB7InWIkhiNivG7dXQ3LNNVTr6vGAMXesZgBw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:27:23.460140Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.09404","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4caa03786c07b547e46234f9970eb6002e2e2ea3f87cd97484db83ae0f275e58","sha256:a9e46e6ac75efd287cc8db57e76b944fecf3d73f09dda3f11681b91a9caa0731"],"state_sha256":"12ee9727ecdfea9096c237af8489c84f06ed4f68e049859f8a597a806c6df1a3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZTMh9z2Wo3PgFdi/oqLC2IJKAh+mALJR29g6UeKmfpLTYSiaVUJMW1jJPpQqOyD43fmuBQ+nyUX2a1o/ZND/AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T18:54:19.295310Z","bundle_sha256":"5f09a3328bed73656971f3b6fff860055d41d68ae7f1672f199e7db53a40e32d"}}