{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:6SPJ7BGOAUIZI3QNSLZ6C6ET4U","short_pith_number":"pith:6SPJ7BGO","canonical_record":{"source":{"id":"2112.03397","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2021-12-06T22:47:22Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"a16fa286e1fbf95fce4f692e9a4f14f63ba88a39e47a32ccade2114611d33d74","abstract_canon_sha256":"5fe3f0547ff8323c1b051580fd92fb39225353cc8b34c83f8fdb4c3dc0346740"},"schema_version":"1.0"},"canonical_sha256":"f49e9f84ce0511946e0d92f3e17893e53b1e75eb890b81a5e80308b07038f091","source":{"kind":"arxiv","id":"2112.03397","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.03397","created_at":"2026-07-05T04:53:25Z"},{"alias_kind":"arxiv_version","alias_value":"2112.03397v2","created_at":"2026-07-05T04:53:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.03397","created_at":"2026-07-05T04:53:25Z"},{"alias_kind":"pith_short_12","alias_value":"6SPJ7BGOAUIZ","created_at":"2026-07-05T04:53:25Z"},{"alias_kind":"pith_short_16","alias_value":"6SPJ7BGOAUIZI3QN","created_at":"2026-07-05T04:53:25Z"},{"alias_kind":"pith_short_8","alias_value":"6SPJ7BGO","created_at":"2026-07-05T04:53:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:6SPJ7BGOAUIZI3QNSLZ6C6ET4U","target":"record","payload":{"canonical_record":{"source":{"id":"2112.03397","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2021-12-06T22:47:22Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"a16fa286e1fbf95fce4f692e9a4f14f63ba88a39e47a32ccade2114611d33d74","abstract_canon_sha256":"5fe3f0547ff8323c1b051580fd92fb39225353cc8b34c83f8fdb4c3dc0346740"},"schema_version":"1.0"},"canonical_sha256":"f49e9f84ce0511946e0d92f3e17893e53b1e75eb890b81a5e80308b07038f091","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:53:25.881166Z","signature_b64":"wkfoqPF52IVmE4Vy+E1LkojQZrmbWb/QSMgvnOEZTuxlzv4TbW3TbZg74c6cbPsdhv+vavUFY2au7AsEa5PfDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f49e9f84ce0511946e0d92f3e17893e53b1e75eb890b81a5e80308b07038f091","last_reissued_at":"2026-07-05T04:53:25.880693Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:53:25.880693Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2112.03397","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":"2026-07-05T04:53:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YMsbIRIv9jn7zNUaqLr5ZnRz9cxzhqcfTW6EZgrxL4e6S9uJA19glOdRVu/6ghePEXrD/7y0TwuXGr/y3X+1Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T22:49:45.741826Z"},"content_sha256":"37ef93686a9d2c7181121eff99d5b6e9b20d81a54303d45bfedc4a1edd4427b8","schema_version":"1.0","event_id":"sha256:37ef93686a9d2c7181121eff99d5b6e9b20d81a54303d45bfedc4a1edd4427b8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:6SPJ7BGOAUIZI3QNSLZ6C6ET4U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Higher-order transverse momentum fluctuations in heavy-ion collisions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"Chunjian Zhang, Jiangyong Jia, Somadutta Bhatta","submitted_at":"2021-12-06T22:47:22Z","abstract_excerpt":"In relativistic heavy-ion collisions, the event-by-event mean transverse momentum fluctuations are sensitive to overlap area and energy density fluctuations in initial state. We present a framework to calculate $p_{\\mathrm{T}}$ fluctuations up to $4^{\\mathrm{th}}$-order using standard and subevent methods, which is validated using the HIJING model. We observe a power-law dependence for cumulants of all orders as a function of charged particle multiplicity $N_{\\mathrm{ch}}$, consistent with a simple independent source picture. The fluctuation in $pp$ collisions is observed to be larger than for"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.03397","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/2112.03397/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":"2026-07-05T04:53:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hm14Ci/9B7mswNo8nMny0tM90pnB0bPm3BaxDvhgh59xX34V40rdHdPrRQeN99Dzer5UwYHi/gNxBAxSkZF6AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T22:49:45.742384Z"},"content_sha256":"79e6098521460b511c226e0538b4b6aeda8ea273c2119847cec463a57c4d13ce","schema_version":"1.0","event_id":"sha256:79e6098521460b511c226e0538b4b6aeda8ea273c2119847cec463a57c4d13ce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6SPJ7BGOAUIZI3QNSLZ6C6ET4U/bundle.json","state_url":"https://pith.science/pith/6SPJ7BGOAUIZI3QNSLZ6C6ET4U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6SPJ7BGOAUIZI3QNSLZ6C6ET4U/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":"2026-08-08T22:49:45Z","links":{"resolver":"https://pith.science/pith/6SPJ7BGOAUIZI3QNSLZ6C6ET4U","bundle":"https://pith.science/pith/6SPJ7BGOAUIZI3QNSLZ6C6ET4U/bundle.json","state":"https://pith.science/pith/6SPJ7BGOAUIZI3QNSLZ6C6ET4U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6SPJ7BGOAUIZI3QNSLZ6C6ET4U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:6SPJ7BGOAUIZI3QNSLZ6C6ET4U","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":"5fe3f0547ff8323c1b051580fd92fb39225353cc8b34c83f8fdb4c3dc0346740","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2021-12-06T22:47:22Z","title_canon_sha256":"a16fa286e1fbf95fce4f692e9a4f14f63ba88a39e47a32ccade2114611d33d74"},"schema_version":"1.0","source":{"id":"2112.03397","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.03397","created_at":"2026-07-05T04:53:25Z"},{"alias_kind":"arxiv_version","alias_value":"2112.03397v2","created_at":"2026-07-05T04:53:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.03397","created_at":"2026-07-05T04:53:25Z"},{"alias_kind":"pith_short_12","alias_value":"6SPJ7BGOAUIZ","created_at":"2026-07-05T04:53:25Z"},{"alias_kind":"pith_short_16","alias_value":"6SPJ7BGOAUIZI3QN","created_at":"2026-07-05T04:53:25Z"},{"alias_kind":"pith_short_8","alias_value":"6SPJ7BGO","created_at":"2026-07-05T04:53:25Z"}],"graph_snapshots":[{"event_id":"sha256:79e6098521460b511c226e0538b4b6aeda8ea273c2119847cec463a57c4d13ce","target":"graph","created_at":"2026-07-05T04:53:25Z","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/2112.03397/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In relativistic heavy-ion collisions, the event-by-event mean transverse momentum fluctuations are sensitive to overlap area and energy density fluctuations in initial state. We present a framework to calculate $p_{\\mathrm{T}}$ fluctuations up to $4^{\\mathrm{th}}$-order using standard and subevent methods, which is validated using the HIJING model. We observe a power-law dependence for cumulants of all orders as a function of charged particle multiplicity $N_{\\mathrm{ch}}$, consistent with a simple independent source picture. The fluctuation in $pp$ collisions is observed to be larger than for","authors_text":"Chunjian Zhang, Jiangyong Jia, Somadutta Bhatta","cross_cats":["hep-ph","nucl-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2021-12-06T22:47:22Z","title":"Higher-order transverse momentum fluctuations in heavy-ion collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.03397","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":"sha256:37ef93686a9d2c7181121eff99d5b6e9b20d81a54303d45bfedc4a1edd4427b8","target":"record","created_at":"2026-07-05T04:53:25Z","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":"5fe3f0547ff8323c1b051580fd92fb39225353cc8b34c83f8fdb4c3dc0346740","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2021-12-06T22:47:22Z","title_canon_sha256":"a16fa286e1fbf95fce4f692e9a4f14f63ba88a39e47a32ccade2114611d33d74"},"schema_version":"1.0","source":{"id":"2112.03397","kind":"arxiv","version":2}},"canonical_sha256":"f49e9f84ce0511946e0d92f3e17893e53b1e75eb890b81a5e80308b07038f091","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f49e9f84ce0511946e0d92f3e17893e53b1e75eb890b81a5e80308b07038f091","first_computed_at":"2026-07-05T04:53:25.880693Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:53:25.880693Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wkfoqPF52IVmE4Vy+E1LkojQZrmbWb/QSMgvnOEZTuxlzv4TbW3TbZg74c6cbPsdhv+vavUFY2au7AsEa5PfDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:53:25.881166Z","signed_message":"canonical_sha256_bytes"},"source_id":"2112.03397","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:37ef93686a9d2c7181121eff99d5b6e9b20d81a54303d45bfedc4a1edd4427b8","sha256:79e6098521460b511c226e0538b4b6aeda8ea273c2119847cec463a57c4d13ce"],"state_sha256":"ab1a71166df5fd7c75b811cb63711bb1700b6f87a2ad8dd4a10a53ca4457c2d7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w/LCGt7LEd9AzL0TRpfsS1WzaG9xGK/aidUhaalIgt0BpC1W5btIeumuFcwnQ+q0cCrMfnfo0FF7qQTcxfuvBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T22:49:45.746439Z","bundle_sha256":"11db79a708b21737d1aca4d8471718228f468b5cf6791a076a491ebd1fba1c09"}}