{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:FDVTGGIMODYQ2PHQMES6LOMQXV","short_pith_number":"pith:FDVTGGIM","canonical_record":{"source":{"id":"1901.02658","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-01-09T10:16:14Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"359a976a5669bcf781f3d4bb003fcfbdb5b205b629dad2c470da5f3adc59b1a2","abstract_canon_sha256":"7375ddc69a596e2aba01eaec0efce395592fe94d5a795d6b94cbc430d382ca54"},"schema_version":"1.0"},"canonical_sha256":"28eb33190c70f10d3cf06125e5b990bd7c39ec3d6902ac0fb7af058cd338eb06","source":{"kind":"arxiv","id":"1901.02658","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.02658","created_at":"2026-05-17T23:48:55Z"},{"alias_kind":"arxiv_version","alias_value":"1901.02658v1","created_at":"2026-05-17T23:48:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.02658","created_at":"2026-05-17T23:48:55Z"},{"alias_kind":"pith_short_12","alias_value":"FDVTGGIMODYQ","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"FDVTGGIMODYQ2PHQ","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"FDVTGGIM","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:FDVTGGIMODYQ2PHQMES6LOMQXV","target":"record","payload":{"canonical_record":{"source":{"id":"1901.02658","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-01-09T10:16:14Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"359a976a5669bcf781f3d4bb003fcfbdb5b205b629dad2c470da5f3adc59b1a2","abstract_canon_sha256":"7375ddc69a596e2aba01eaec0efce395592fe94d5a795d6b94cbc430d382ca54"},"schema_version":"1.0"},"canonical_sha256":"28eb33190c70f10d3cf06125e5b990bd7c39ec3d6902ac0fb7af058cd338eb06","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:55.072028Z","signature_b64":"Jav2cJ8JRALYNbwEAZ1SSsV+fvBnfVAgbYjxV0PfAu1PBS2k5JFOXooU9McMHr51jXFGfIlLG966BpVfzANTAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"28eb33190c70f10d3cf06125e5b990bd7c39ec3d6902ac0fb7af058cd338eb06","last_reissued_at":"2026-05-17T23:48:55.071593Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:55.071593Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.02658","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":"2026-05-17T23:48:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WW8Do5/FAtnaN8uyWv5KpXrgL6F6jc1zxR2kjFtzCQB9qHQmgIpjDCdXPMnzgPaKB3zwaVWT4hNkZgEGLQgAAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T19:22:36.728359Z"},"content_sha256":"25ed39b8942555021279927e379d49813b34a97a4ce19e10f69472f4530705cd","schema_version":"1.0","event_id":"sha256:25ed39b8942555021279927e379d49813b34a97a4ce19e10f69472f4530705cd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:FDVTGGIMODYQ2PHQMES6LOMQXV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Improvement of charge resolution for radioactive heavy ions at relativistic energies using a hybrid detector system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"B.H.Sun, C.G.Lu, C.Y. Liu, D.P.Shen, D.T.Tran, F.Wang, G.S. Li, I.Tanihata, J.C. Zhang, J.Wang, J.W.Zhao, L.C. He, L.H.Zhu, S.Terashima, S.T.Wang, W.J. Lin, X.D.Xu, X.H.Zhang, X.L.Wei, Y.Zhang, Y.Z.Sun, Z.Liu, Z.T.Zhou, Z.Y.Sun","submitted_at":"2019-01-09T10:16:14Z","abstract_excerpt":"In typical nuclear physics experiments with radioactive ion beams (RIBs) selected by the in-flight separation technique, Si detectors or ionization chambers are usually equipped for the charge determination of RIBs. The obtained charge resolution relies on the performance of these detectors for energy loss determination, and this affects the particle identification capability of RIBs. We present an approach on improving the resolution of charge measurement for heavy ions by using the abundant energy loss information from different types of existing detectors along the beam line. Without alteri"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.02658","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":"2026-05-17T23:48:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dOze0oVl71MebFOm1O9qVQ1qcdJsNNr7a0G+/qVuhVMb26yGOXx6+qXPfmAUGrkE7d5sDEORjvxg6hFdYl2OAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T19:22:36.729075Z"},"content_sha256":"a05c0a89e3fdc2191ece15f6c8b35f11b9b0a1f4b1b82caea0a58d4cd9008eda","schema_version":"1.0","event_id":"sha256:a05c0a89e3fdc2191ece15f6c8b35f11b9b0a1f4b1b82caea0a58d4cd9008eda"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FDVTGGIMODYQ2PHQMES6LOMQXV/bundle.json","state_url":"https://pith.science/pith/FDVTGGIMODYQ2PHQMES6LOMQXV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FDVTGGIMODYQ2PHQMES6LOMQXV/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":"2026-05-19T19:22:36Z","links":{"resolver":"https://pith.science/pith/FDVTGGIMODYQ2PHQMES6LOMQXV","bundle":"https://pith.science/pith/FDVTGGIMODYQ2PHQMES6LOMQXV/bundle.json","state":"https://pith.science/pith/FDVTGGIMODYQ2PHQMES6LOMQXV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FDVTGGIMODYQ2PHQMES6LOMQXV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:FDVTGGIMODYQ2PHQMES6LOMQXV","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":"7375ddc69a596e2aba01eaec0efce395592fe94d5a795d6b94cbc430d382ca54","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-01-09T10:16:14Z","title_canon_sha256":"359a976a5669bcf781f3d4bb003fcfbdb5b205b629dad2c470da5f3adc59b1a2"},"schema_version":"1.0","source":{"id":"1901.02658","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.02658","created_at":"2026-05-17T23:48:55Z"},{"alias_kind":"arxiv_version","alias_value":"1901.02658v1","created_at":"2026-05-17T23:48:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.02658","created_at":"2026-05-17T23:48:55Z"},{"alias_kind":"pith_short_12","alias_value":"FDVTGGIMODYQ","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"FDVTGGIMODYQ2PHQ","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"FDVTGGIM","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:a05c0a89e3fdc2191ece15f6c8b35f11b9b0a1f4b1b82caea0a58d4cd9008eda","target":"graph","created_at":"2026-05-17T23:48:55Z","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 typical nuclear physics experiments with radioactive ion beams (RIBs) selected by the in-flight separation technique, Si detectors or ionization chambers are usually equipped for the charge determination of RIBs. The obtained charge resolution relies on the performance of these detectors for energy loss determination, and this affects the particle identification capability of RIBs. We present an approach on improving the resolution of charge measurement for heavy ions by using the abundant energy loss information from different types of existing detectors along the beam line. Without alteri","authors_text":"B.H.Sun, C.G.Lu, C.Y. Liu, D.P.Shen, D.T.Tran, F.Wang, G.S. Li, I.Tanihata, J.C. Zhang, J.Wang, J.W.Zhao, L.C. He, L.H.Zhu, S.Terashima, S.T.Wang, W.J. Lin, X.D.Xu, X.H.Zhang, X.L.Wei, Y.Zhang, Y.Z.Sun, Z.Liu, Z.T.Zhou, Z.Y.Sun","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-01-09T10:16:14Z","title":"Improvement of charge resolution for radioactive heavy ions at relativistic energies using a hybrid detector system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.02658","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":"sha256:25ed39b8942555021279927e379d49813b34a97a4ce19e10f69472f4530705cd","target":"record","created_at":"2026-05-17T23:48:55Z","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":"7375ddc69a596e2aba01eaec0efce395592fe94d5a795d6b94cbc430d382ca54","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-01-09T10:16:14Z","title_canon_sha256":"359a976a5669bcf781f3d4bb003fcfbdb5b205b629dad2c470da5f3adc59b1a2"},"schema_version":"1.0","source":{"id":"1901.02658","kind":"arxiv","version":1}},"canonical_sha256":"28eb33190c70f10d3cf06125e5b990bd7c39ec3d6902ac0fb7af058cd338eb06","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"28eb33190c70f10d3cf06125e5b990bd7c39ec3d6902ac0fb7af058cd338eb06","first_computed_at":"2026-05-17T23:48:55.071593Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:55.071593Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Jav2cJ8JRALYNbwEAZ1SSsV+fvBnfVAgbYjxV0PfAu1PBS2k5JFOXooU9McMHr51jXFGfIlLG966BpVfzANTAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:55.072028Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.02658","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:25ed39b8942555021279927e379d49813b34a97a4ce19e10f69472f4530705cd","sha256:a05c0a89e3fdc2191ece15f6c8b35f11b9b0a1f4b1b82caea0a58d4cd9008eda"],"state_sha256":"a97a28e2f999ab413145aa0737ccf675174734d31a32af2c112433aa21663da8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oSijTyctm11RAt1J4OHpf2a6DcckYDdpyZfVDlOss8+3IWfVW8mPBAI0JTKFyZUShYQCYl8+SZ4u3SdDvmrmDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T19:22:36.732926Z","bundle_sha256":"2d2652074f793230b272c36bd807abc99e1f0fc13d81dae70f3d356465606ff0"}}