{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:XWZW4A66VTFN43WGVKHYTAMUKD","short_pith_number":"pith:XWZW4A66","canonical_record":{"source":{"id":"1801.05011","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-01-11T09:51:08Z","cross_cats_sorted":["hep-ex","hep-ph"],"title_canon_sha256":"9ca4b9969a37f1acc7a0faf118cbaa271f643c3af6dffab6fe9495b79a1a171b","abstract_canon_sha256":"9fb5669ed073572d2acfc109f45f6e1c3d495a7d4f3045f476bbb06bf787a984"},"schema_version":"1.0"},"canonical_sha256":"bdb36e03deaccade6ec6aa8f89819450ce4877bce3af5e28a13edf484f26be13","source":{"kind":"arxiv","id":"1801.05011","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.05011","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"arxiv_version","alias_value":"1801.05011v2","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.05011","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"pith_short_12","alias_value":"XWZW4A66VTFN","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"XWZW4A66VTFN43WG","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"XWZW4A66","created_at":"2026-05-18T12:33:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:XWZW4A66VTFN43WGVKHYTAMUKD","target":"record","payload":{"canonical_record":{"source":{"id":"1801.05011","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-01-11T09:51:08Z","cross_cats_sorted":["hep-ex","hep-ph"],"title_canon_sha256":"9ca4b9969a37f1acc7a0faf118cbaa271f643c3af6dffab6fe9495b79a1a171b","abstract_canon_sha256":"9fb5669ed073572d2acfc109f45f6e1c3d495a7d4f3045f476bbb06bf787a984"},"schema_version":"1.0"},"canonical_sha256":"bdb36e03deaccade6ec6aa8f89819450ce4877bce3af5e28a13edf484f26be13","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:21.937177Z","signature_b64":"ZZapnuB2OwwRvmySvLJK9mrFiUfazj706M1ZzCwcOqVmysd/Hin1ejkoFsIF6/tacyvT85xp6wIlrcbws23/Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bdb36e03deaccade6ec6aa8f89819450ce4877bce3af5e28a13edf484f26be13","last_reissued_at":"2026-05-18T00:14:21.936589Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:21.936589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.05011","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":"2026-05-18T00:14:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rLzoptQ0QZdpGhtbvdBQ0O6CCMnmKkkJNxxfc1BvvpMYkU43raFdkhVqUu+1im3OTKC8lCoa0i5fuLIaItf3Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T02:02:19.310017Z"},"content_sha256":"f491abe46ce393787ac08a001c49280284f8fa84597a99675c592412e0b6bd50","schema_version":"1.0","event_id":"sha256:f491abe46ce393787ac08a001c49280284f8fa84597a99675c592412e0b6bd50"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:XWZW4A66VTFN43WGVKHYTAMUKD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Poisson baseline of net-charge fluctuations in the relativistic heavy ion collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-ph"],"primary_cat":"nucl-th","authors_text":"Lizhu Chen, Mingmei Xu, Xue Pan, Yuanfang Wu, Yufu Lin","submitted_at":"2018-01-11T09:51:08Z","abstract_excerpt":"Taking doubly charged particles, positive-negative charge pair production and the effects of volume fluctuations into account, the Poisson baseline of the fluctuations of net-charge is studied. Within the Poisson baseline, the cumulants of net-charge are derived. Comparing to the Skellam baseline of net-charge, we infer that doubly charged particles broaden the distributions of net-charge, while positive-negative charge pairs narrow the distributions. Using the ratios of doubly charged particles and positive-negative charge pairs from neutral resonance decays to the total positive charges from"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.05011","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":"2026-05-18T00:14:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T6QOK2DoEkv392/E81rVeUmpYJhzKWUC/DgGshI9IP43oVdUPFUMnw06+y4pnNIoZTAYTa2rGzU2+8aTw86xBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T02:02:19.310721Z"},"content_sha256":"6280a37a62086e9a2d000783ab452ddd460d7c5d07d21c4cad31bb39c8555f72","schema_version":"1.0","event_id":"sha256:6280a37a62086e9a2d000783ab452ddd460d7c5d07d21c4cad31bb39c8555f72"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XWZW4A66VTFN43WGVKHYTAMUKD/bundle.json","state_url":"https://pith.science/pith/XWZW4A66VTFN43WGVKHYTAMUKD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XWZW4A66VTFN43WGVKHYTAMUKD/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":"2026-05-31T02:02:19Z","links":{"resolver":"https://pith.science/pith/XWZW4A66VTFN43WGVKHYTAMUKD","bundle":"https://pith.science/pith/XWZW4A66VTFN43WGVKHYTAMUKD/bundle.json","state":"https://pith.science/pith/XWZW4A66VTFN43WGVKHYTAMUKD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XWZW4A66VTFN43WGVKHYTAMUKD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:XWZW4A66VTFN43WGVKHYTAMUKD","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":"9fb5669ed073572d2acfc109f45f6e1c3d495a7d4f3045f476bbb06bf787a984","cross_cats_sorted":["hep-ex","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-01-11T09:51:08Z","title_canon_sha256":"9ca4b9969a37f1acc7a0faf118cbaa271f643c3af6dffab6fe9495b79a1a171b"},"schema_version":"1.0","source":{"id":"1801.05011","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.05011","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"arxiv_version","alias_value":"1801.05011v2","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.05011","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"pith_short_12","alias_value":"XWZW4A66VTFN","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"XWZW4A66VTFN43WG","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"XWZW4A66","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:6280a37a62086e9a2d000783ab452ddd460d7c5d07d21c4cad31bb39c8555f72","target":"graph","created_at":"2026-05-18T00:14:21Z","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":"Taking doubly charged particles, positive-negative charge pair production and the effects of volume fluctuations into account, the Poisson baseline of the fluctuations of net-charge is studied. Within the Poisson baseline, the cumulants of net-charge are derived. Comparing to the Skellam baseline of net-charge, we infer that doubly charged particles broaden the distributions of net-charge, while positive-negative charge pairs narrow the distributions. Using the ratios of doubly charged particles and positive-negative charge pairs from neutral resonance decays to the total positive charges from","authors_text":"Lizhu Chen, Mingmei Xu, Xue Pan, Yuanfang Wu, Yufu Lin","cross_cats":["hep-ex","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-01-11T09:51:08Z","title":"Poisson baseline of net-charge fluctuations in the relativistic heavy ion collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.05011","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:f491abe46ce393787ac08a001c49280284f8fa84597a99675c592412e0b6bd50","target":"record","created_at":"2026-05-18T00:14:21Z","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":"9fb5669ed073572d2acfc109f45f6e1c3d495a7d4f3045f476bbb06bf787a984","cross_cats_sorted":["hep-ex","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-01-11T09:51:08Z","title_canon_sha256":"9ca4b9969a37f1acc7a0faf118cbaa271f643c3af6dffab6fe9495b79a1a171b"},"schema_version":"1.0","source":{"id":"1801.05011","kind":"arxiv","version":2}},"canonical_sha256":"bdb36e03deaccade6ec6aa8f89819450ce4877bce3af5e28a13edf484f26be13","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bdb36e03deaccade6ec6aa8f89819450ce4877bce3af5e28a13edf484f26be13","first_computed_at":"2026-05-18T00:14:21.936589Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:14:21.936589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZZapnuB2OwwRvmySvLJK9mrFiUfazj706M1ZzCwcOqVmysd/Hin1ejkoFsIF6/tacyvT85xp6wIlrcbws23/Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:14:21.937177Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.05011","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f491abe46ce393787ac08a001c49280284f8fa84597a99675c592412e0b6bd50","sha256:6280a37a62086e9a2d000783ab452ddd460d7c5d07d21c4cad31bb39c8555f72"],"state_sha256":"005b01f27d3a8d62de1cfcd9c0b2eb7ae85f693f62b4689c2d956fcac501bd85"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5YKwqc8gFn3RGlmlxoWSgFgEBCO3DBTOm/WDyvxPoqakrXFb3W92WvcOGPKhgPZLp+DO36edvqMINZltxx5tCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T02:02:19.314258Z","bundle_sha256":"04de5710bdcbeb508e37cedece841b2d44093b0bda625b41b92a4388aa5dab7f"}}