{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:O76WPJR5L5I32B5A4EJ7GVGYUO","short_pith_number":"pith:O76WPJR5","canonical_record":{"source":{"id":"nucl-ex/0212001","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2002-12-02T14:27:17Z","cross_cats_sorted":[],"title_canon_sha256":"2e955233bd1835175c2771290f7701a991ad3d6b5b8d02ed0ef121572d3f3542","abstract_canon_sha256":"6f9529f35541462c373e62d9ed14ef1c75f2d64b419cada4c539347b5dd54261"},"schema_version":"1.0"},"canonical_sha256":"77fd67a63d5f51bd07a0e113f354d8a3984fd736e9f802f621b6bd86cb0b5f79","source":{"kind":"arxiv","id":"nucl-ex/0212001","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/0212001","created_at":"2026-07-04T23:54:25Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0212001v3","created_at":"2026-07-04T23:54:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0212001","created_at":"2026-07-04T23:54:25Z"},{"alias_kind":"pith_short_12","alias_value":"O76WPJR5L5I3","created_at":"2026-07-04T23:54:25Z"},{"alias_kind":"pith_short_16","alias_value":"O76WPJR5L5I32B5A","created_at":"2026-07-04T23:54:25Z"},{"alias_kind":"pith_short_8","alias_value":"O76WPJR5","created_at":"2026-07-04T23:54:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:O76WPJR5L5I32B5A4EJ7GVGYUO","target":"record","payload":{"canonical_record":{"source":{"id":"nucl-ex/0212001","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2002-12-02T14:27:17Z","cross_cats_sorted":[],"title_canon_sha256":"2e955233bd1835175c2771290f7701a991ad3d6b5b8d02ed0ef121572d3f3542","abstract_canon_sha256":"6f9529f35541462c373e62d9ed14ef1c75f2d64b419cada4c539347b5dd54261"},"schema_version":"1.0"},"canonical_sha256":"77fd67a63d5f51bd07a0e113f354d8a3984fd736e9f802f621b6bd86cb0b5f79","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:54:25.605744Z","signature_b64":"12kx+n7cxkFJvt3hCm873C4Jq4xZx+VueC3KRTcqp0FsRpLUgmnP8p6zwTJDTKGor2OioV0UTZqJRLs7kBGdBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"77fd67a63d5f51bd07a0e113f354d8a3984fd736e9f802f621b6bd86cb0b5f79","last_reissued_at":"2026-07-04T23:54:25.605357Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:54:25.605357Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nucl-ex/0212001","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T23:54:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lD8TjCKVI2aDdDvq8lKb3PT9aKi9mkNstTxCexRaMfI2G+DFlNxxtxxi9W9YDl51VetTzgqOC6G3F9fvBsjmCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T00:12:03.294002Z"},"content_sha256":"dda2b40dab68309190c507d09987ef2f5e914a388da8f5286e3b55d8f1b5521d","schema_version":"1.0","event_id":"sha256:dda2b40dab68309190c507d09987ef2f5e914a388da8f5286e3b55d8f1b5521d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:O76WPJR5L5I32B5A4EJ7GVGYUO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rapidity Dependence of Charged Particle Yields for Au+Au at sqrt(sNN) = 200 GeV","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"Djamel Ouerdane (for the BRAHMS Collaboration)","submitted_at":"2002-12-02T14:27:17Z","abstract_excerpt":"Yields of charged particles (pi+, pi-, K+, K-, p and p-bar) have been derived from spectra measured with BRAHMS for the reaction Au+Au at sqrt(sNN) = 200 GeV, as a function of rapidity in the range y = 0 to y ~ 3 for the 10% most central events. The yields peak at mid-rapidity with a small decrease in the range |y| < 1 but they drop significantly at higher rapidities except for the protons. At y = 0, the K-/pi- ratio is 0.18 +/- 0.02 (syst), very close to the K+/pi+ ratio equal to 0.19 +/- 0.02 (syst). But at y = 3, K-/pi- drops to 0.12 +/- 0.02 (syst) while K+/pi+ remains constant."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0212001","kind":"arxiv","version":3},"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/nucl-ex/0212001/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":"2026-07-04T23:54:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1SPApa9hbgJQfE3SMQwJw1Mi7yt3DtpHJG3geiWnwKHlnjQ9G+4MEQcJf73etbSG2s/7FFksW8om7Af+4JTnAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T00:12:03.294555Z"},"content_sha256":"58512ca7e57bb195e7db564edb0f2a6e41bbda58352864b1bfc3defc028b51ac","schema_version":"1.0","event_id":"sha256:58512ca7e57bb195e7db564edb0f2a6e41bbda58352864b1bfc3defc028b51ac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O76WPJR5L5I32B5A4EJ7GVGYUO/bundle.json","state_url":"https://pith.science/pith/O76WPJR5L5I32B5A4EJ7GVGYUO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O76WPJR5L5I32B5A4EJ7GVGYUO/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":"2026-08-18T00:12:03Z","links":{"resolver":"https://pith.science/pith/O76WPJR5L5I32B5A4EJ7GVGYUO","bundle":"https://pith.science/pith/O76WPJR5L5I32B5A4EJ7GVGYUO/bundle.json","state":"https://pith.science/pith/O76WPJR5L5I32B5A4EJ7GVGYUO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O76WPJR5L5I32B5A4EJ7GVGYUO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:O76WPJR5L5I32B5A4EJ7GVGYUO","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":"6f9529f35541462c373e62d9ed14ef1c75f2d64b419cada4c539347b5dd54261","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2002-12-02T14:27:17Z","title_canon_sha256":"2e955233bd1835175c2771290f7701a991ad3d6b5b8d02ed0ef121572d3f3542"},"schema_version":"1.0","source":{"id":"nucl-ex/0212001","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/0212001","created_at":"2026-07-04T23:54:25Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0212001v3","created_at":"2026-07-04T23:54:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0212001","created_at":"2026-07-04T23:54:25Z"},{"alias_kind":"pith_short_12","alias_value":"O76WPJR5L5I3","created_at":"2026-07-04T23:54:25Z"},{"alias_kind":"pith_short_16","alias_value":"O76WPJR5L5I32B5A","created_at":"2026-07-04T23:54:25Z"},{"alias_kind":"pith_short_8","alias_value":"O76WPJR5","created_at":"2026-07-04T23:54:25Z"}],"graph_snapshots":[{"event_id":"sha256:58512ca7e57bb195e7db564edb0f2a6e41bbda58352864b1bfc3defc028b51ac","target":"graph","created_at":"2026-07-04T23:54:25Z","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/nucl-ex/0212001/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Yields of charged particles (pi+, pi-, K+, K-, p and p-bar) have been derived from spectra measured with BRAHMS for the reaction Au+Au at sqrt(sNN) = 200 GeV, as a function of rapidity in the range y = 0 to y ~ 3 for the 10% most central events. The yields peak at mid-rapidity with a small decrease in the range |y| < 1 but they drop significantly at higher rapidities except for the protons. At y = 0, the K-/pi- ratio is 0.18 +/- 0.02 (syst), very close to the K+/pi+ ratio equal to 0.19 +/- 0.02 (syst). But at y = 3, K-/pi- drops to 0.12 +/- 0.02 (syst) while K+/pi+ remains constant.","authors_text":"Djamel Ouerdane (for the BRAHMS Collaboration)","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-ex","submitted_at":"2002-12-02T14:27:17Z","title":"Rapidity Dependence of Charged Particle Yields for Au+Au at sqrt(sNN) = 200 GeV"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0212001","kind":"arxiv","version":3},"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:dda2b40dab68309190c507d09987ef2f5e914a388da8f5286e3b55d8f1b5521d","target":"record","created_at":"2026-07-04T23:54:25Z","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":"6f9529f35541462c373e62d9ed14ef1c75f2d64b419cada4c539347b5dd54261","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2002-12-02T14:27:17Z","title_canon_sha256":"2e955233bd1835175c2771290f7701a991ad3d6b5b8d02ed0ef121572d3f3542"},"schema_version":"1.0","source":{"id":"nucl-ex/0212001","kind":"arxiv","version":3}},"canonical_sha256":"77fd67a63d5f51bd07a0e113f354d8a3984fd736e9f802f621b6bd86cb0b5f79","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"77fd67a63d5f51bd07a0e113f354d8a3984fd736e9f802f621b6bd86cb0b5f79","first_computed_at":"2026-07-04T23:54:25.605357Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:54:25.605357Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"12kx+n7cxkFJvt3hCm873C4Jq4xZx+VueC3KRTcqp0FsRpLUgmnP8p6zwTJDTKGor2OioV0UTZqJRLs7kBGdBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T23:54:25.605744Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-ex/0212001","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dda2b40dab68309190c507d09987ef2f5e914a388da8f5286e3b55d8f1b5521d","sha256:58512ca7e57bb195e7db564edb0f2a6e41bbda58352864b1bfc3defc028b51ac"],"state_sha256":"60609eb35e2a13c56f79f4a04c2c1fbefd721a4c57d09a4232b088f2b2ffbfe0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3xIr8FpL/2go9ct4yV3mq61S7L1ZZJo8NGzdfUA3v+Ag89W/TXF+knNTzCxx8S/dMhLPE8q2ZiWcw07K5vT0Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T00:12:03.298668Z","bundle_sha256":"749b36832e6795cca98730c5a80d761eae6f7298edf560f4918c3e2cadd082eb"}}