{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:NJWDTGJKURDEQVA7DW5WT4PZRG","short_pith_number":"pith:NJWDTGJK","canonical_record":{"source":{"id":"2102.11186","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2021-02-22T17:05:03Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"2220b7eee7dec8c6774090145d14ffb98e1bf2d72844c5b704d333cebfdf548f","abstract_canon_sha256":"67f1de3615b87c9d6cbf6a04898783c2cccf31cfbf4dd161ccc5aebf33dc9764"},"schema_version":"1.0"},"canonical_sha256":"6a6c39992aa44648541f1dbb69f1f9899ba8cbec83a6d213067cccc9946134a0","source":{"kind":"arxiv","id":"2102.11186","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.11186","created_at":"2026-07-05T03:01:14Z"},{"alias_kind":"arxiv_version","alias_value":"2102.11186v2","created_at":"2026-07-05T03:01:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.11186","created_at":"2026-07-05T03:01:14Z"},{"alias_kind":"pith_short_12","alias_value":"NJWDTGJKURDE","created_at":"2026-07-05T03:01:14Z"},{"alias_kind":"pith_short_16","alias_value":"NJWDTGJKURDEQVA7","created_at":"2026-07-05T03:01:14Z"},{"alias_kind":"pith_short_8","alias_value":"NJWDTGJK","created_at":"2026-07-05T03:01:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:NJWDTGJKURDEQVA7DW5WT4PZRG","target":"record","payload":{"canonical_record":{"source":{"id":"2102.11186","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2021-02-22T17:05:03Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"2220b7eee7dec8c6774090145d14ffb98e1bf2d72844c5b704d333cebfdf548f","abstract_canon_sha256":"67f1de3615b87c9d6cbf6a04898783c2cccf31cfbf4dd161ccc5aebf33dc9764"},"schema_version":"1.0"},"canonical_sha256":"6a6c39992aa44648541f1dbb69f1f9899ba8cbec83a6d213067cccc9946134a0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:01:14.802502Z","signature_b64":"q0lZdtBV926dRdK/L6SBc/p2+JW/u7pIEPyOuuLhjvY8TPg+oGx909h9QqvFzbGfVwdsxgTnYwLkHqXsOUzBCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6a6c39992aa44648541f1dbb69f1f9899ba8cbec83a6d213067cccc9946134a0","last_reissued_at":"2026-07-05T03:01:14.801925Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:01:14.801925Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2102.11186","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":"2026-07-05T03:01:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hr/9zhTud5M74ieAUNTKGmczgB1OUN3/1fI7NR3HAWs2z1bZO8jJZviiCgY6S0TfW2T7hd5w1IvYnuTIgvryAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T21:34:49.428519Z"},"content_sha256":"ff2fcc725b4a4dc6b9fa8785a18c75dbe8975f5e31ab8b6c520ee10e49f00d5f","schema_version":"1.0","event_id":"sha256:ff2fcc725b4a4dc6b9fa8785a18c75dbe8975f5e31ab8b6c520ee10e49f00d5f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:NJWDTGJKURDEQVA7DW5WT4PZRG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Eliminating $volume$ fluctuations in fixed-target heavy-ion experiments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"hep-ex","authors_text":"M. Gazdzicki, M. Mackowiak-Pawlowska, M. Naskr\\k{e}t","submitted_at":"2021-02-22T17:05:03Z","abstract_excerpt":"Experimental and theoretical studies of fluctuations in nucleus-nucleus interactions at high energies have started to play a major role in understanding of the concept of strong interactions. The elaborated procedures have been developed to disentangle different processes happening during nucleus-nucleus collisions. The fluctuations caused by a variation of the number of nucleons which participated in a collision are frequently considered the unwanted one. The methods to eliminate these fluctuations in fixed-target experiments are reviewed and tested. They can be of key importance in the follo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.11186","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/2102.11186/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":"2026-07-05T03:01:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z12ELgifKqxMtK3tWgM6pHWEKYs3YMdQdUVs+AtJ47b07YRPWsHyGfYZZqt+gvNiuDPTqsU30aRraUEnwSHeDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T21:34:49.429036Z"},"content_sha256":"9759c1f265d4e7b273c50a1f4c83f293a82977ab390bb50d9ebbe6082b45da69","schema_version":"1.0","event_id":"sha256:9759c1f265d4e7b273c50a1f4c83f293a82977ab390bb50d9ebbe6082b45da69"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NJWDTGJKURDEQVA7DW5WT4PZRG/bundle.json","state_url":"https://pith.science/pith/NJWDTGJKURDEQVA7DW5WT4PZRG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NJWDTGJKURDEQVA7DW5WT4PZRG/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":"2026-08-06T21:34:49Z","links":{"resolver":"https://pith.science/pith/NJWDTGJKURDEQVA7DW5WT4PZRG","bundle":"https://pith.science/pith/NJWDTGJKURDEQVA7DW5WT4PZRG/bundle.json","state":"https://pith.science/pith/NJWDTGJKURDEQVA7DW5WT4PZRG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NJWDTGJKURDEQVA7DW5WT4PZRG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:NJWDTGJKURDEQVA7DW5WT4PZRG","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":"67f1de3615b87c9d6cbf6a04898783c2cccf31cfbf4dd161ccc5aebf33dc9764","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2021-02-22T17:05:03Z","title_canon_sha256":"2220b7eee7dec8c6774090145d14ffb98e1bf2d72844c5b704d333cebfdf548f"},"schema_version":"1.0","source":{"id":"2102.11186","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.11186","created_at":"2026-07-05T03:01:14Z"},{"alias_kind":"arxiv_version","alias_value":"2102.11186v2","created_at":"2026-07-05T03:01:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.11186","created_at":"2026-07-05T03:01:14Z"},{"alias_kind":"pith_short_12","alias_value":"NJWDTGJKURDE","created_at":"2026-07-05T03:01:14Z"},{"alias_kind":"pith_short_16","alias_value":"NJWDTGJKURDEQVA7","created_at":"2026-07-05T03:01:14Z"},{"alias_kind":"pith_short_8","alias_value":"NJWDTGJK","created_at":"2026-07-05T03:01:14Z"}],"graph_snapshots":[{"event_id":"sha256:9759c1f265d4e7b273c50a1f4c83f293a82977ab390bb50d9ebbe6082b45da69","target":"graph","created_at":"2026-07-05T03:01:14Z","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/2102.11186/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Experimental and theoretical studies of fluctuations in nucleus-nucleus interactions at high energies have started to play a major role in understanding of the concept of strong interactions. The elaborated procedures have been developed to disentangle different processes happening during nucleus-nucleus collisions. The fluctuations caused by a variation of the number of nucleons which participated in a collision are frequently considered the unwanted one. The methods to eliminate these fluctuations in fixed-target experiments are reviewed and tested. They can be of key importance in the follo","authors_text":"M. Gazdzicki, M. Mackowiak-Pawlowska, M. Naskr\\k{e}t","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2021-02-22T17:05:03Z","title":"Eliminating $volume$ fluctuations in fixed-target heavy-ion experiments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.11186","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:ff2fcc725b4a4dc6b9fa8785a18c75dbe8975f5e31ab8b6c520ee10e49f00d5f","target":"record","created_at":"2026-07-05T03:01:14Z","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":"67f1de3615b87c9d6cbf6a04898783c2cccf31cfbf4dd161ccc5aebf33dc9764","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2021-02-22T17:05:03Z","title_canon_sha256":"2220b7eee7dec8c6774090145d14ffb98e1bf2d72844c5b704d333cebfdf548f"},"schema_version":"1.0","source":{"id":"2102.11186","kind":"arxiv","version":2}},"canonical_sha256":"6a6c39992aa44648541f1dbb69f1f9899ba8cbec83a6d213067cccc9946134a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6a6c39992aa44648541f1dbb69f1f9899ba8cbec83a6d213067cccc9946134a0","first_computed_at":"2026-07-05T03:01:14.801925Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:01:14.801925Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"q0lZdtBV926dRdK/L6SBc/p2+JW/u7pIEPyOuuLhjvY8TPg+oGx909h9QqvFzbGfVwdsxgTnYwLkHqXsOUzBCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:01:14.802502Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.11186","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff2fcc725b4a4dc6b9fa8785a18c75dbe8975f5e31ab8b6c520ee10e49f00d5f","sha256:9759c1f265d4e7b273c50a1f4c83f293a82977ab390bb50d9ebbe6082b45da69"],"state_sha256":"1aedc3e4e7d0021e304020efa3a7611f4abf5784b00b25029b0b3295b2fba017"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mtJctjXksCzxCB0fPEeNgO4wMWJChZUO7hY8DzMBpkEoVJoS2tCrpKLto/iTEz3Z6GlIIlV+i/dUCR3c6sQ5CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T21:34:49.434874Z","bundle_sha256":"34fa98f610805e7f8d078d4c36de932b1b2b414eef58f92e17121ef74cc59d21"}}