{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:V26V2SBC3PADCF3RRIMMFZJ7DG","short_pith_number":"pith:V26V2SBC","canonical_record":{"source":{"id":"hep-ex/9711024","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"1997-11-28T10:49:01Z","cross_cats_sorted":[],"title_canon_sha256":"dba62f7b98685d0e1764aa42a221cca9c4b834ac4e2d6e15303074fa74956182","abstract_canon_sha256":"5452172793585f5cef7b91db7b50c93b472675322cca3064be2b7baf55259510"},"schema_version":"1.0"},"canonical_sha256":"aebd5d4822dbc03117718a18c2e53f199a03982979ba4ca03aaa67455a73c767","source":{"kind":"arxiv","id":"hep-ex/9711024","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/9711024","created_at":"2026-05-18T03:47:21Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/9711024v2","created_at":"2026-05-18T03:47:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/9711024","created_at":"2026-05-18T03:47:21Z"},{"alias_kind":"pith_short_12","alias_value":"V26V2SBC3PAD","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"V26V2SBC3PADCF3R","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"V26V2SBC","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:V26V2SBC3PADCF3RRIMMFZJ7DG","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ex/9711024","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"1997-11-28T10:49:01Z","cross_cats_sorted":[],"title_canon_sha256":"dba62f7b98685d0e1764aa42a221cca9c4b834ac4e2d6e15303074fa74956182","abstract_canon_sha256":"5452172793585f5cef7b91db7b50c93b472675322cca3064be2b7baf55259510"},"schema_version":"1.0"},"canonical_sha256":"aebd5d4822dbc03117718a18c2e53f199a03982979ba4ca03aaa67455a73c767","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:47:21.468242Z","signature_b64":"rqaVd7V+mJTz+LOooFkQpyn+Z1TQKDDOEjkWSVPNvc3FJm80SUKRwbDGnwySIR+yFBdeYYyxd1RFTjELe7eBDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aebd5d4822dbc03117718a18c2e53f199a03982979ba4ca03aaa67455a73c767","last_reissued_at":"2026-05-18T03:47:21.467853Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:47:21.467853Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ex/9711024","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":"2026-05-18T03:47:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gHGXrPn0wa8TdOoKOGCecp93CdPcdLsS7BcRt0Hb3HL9jp17f2bAaHXShyqcCxgI9F906fn8Kw3BlzYywozZCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:30:58.727939Z"},"content_sha256":"b428dc78f78e30b81ee6d2125838ccf45b41c5cfd1f6c3a94eb908526f629bb8","schema_version":"1.0","event_id":"sha256:b428dc78f78e30b81ee6d2125838ccf45b41c5cfd1f6c3a94eb908526f629bb8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:V26V2SBC3PADCF3RRIMMFZJ7DG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hadronic Expansion Dynamics in Central Pb+Pb Collisions at 158 GeV per Nucleon","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"NA49 collaboration","submitted_at":"1997-11-28T10:49:01Z","abstract_excerpt":"Two-particle correlation functions of negative hadrons over wide phase space, and transverse mass spectra of negative hadrons and deuterons near mid-rapidity have been measured in central Pb+Pb collisions at 158 GeV per nucleon by the NA49 experiment at the CERN SPS. A novel Coulomb correction procedure for the negative two-particle correlations is employed making use of the measured oppositely charged particle correlation. Within an expanding source scenario these results are used to extract the dynamic characteristics of the hadronic source, resolving the ambiguities between the temperature "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/9711024","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":"2026-05-18T03:47:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OtnhYAgjFPgImJWm///fXKr4TqDFhyjm1bMBUSlCpc6JJhdNcC0+JfPxVQhhziTiIjpQzxjFS+UVNv5FqPzEDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:30:58.728292Z"},"content_sha256":"38abffd95223292bd08a5c0312bd0f72fbdbdbccd35405c4ec8ade391c8247d4","schema_version":"1.0","event_id":"sha256:38abffd95223292bd08a5c0312bd0f72fbdbdbccd35405c4ec8ade391c8247d4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V26V2SBC3PADCF3RRIMMFZJ7DG/bundle.json","state_url":"https://pith.science/pith/V26V2SBC3PADCF3RRIMMFZJ7DG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V26V2SBC3PADCF3RRIMMFZJ7DG/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":"2026-06-01T17:30:58Z","links":{"resolver":"https://pith.science/pith/V26V2SBC3PADCF3RRIMMFZJ7DG","bundle":"https://pith.science/pith/V26V2SBC3PADCF3RRIMMFZJ7DG/bundle.json","state":"https://pith.science/pith/V26V2SBC3PADCF3RRIMMFZJ7DG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V26V2SBC3PADCF3RRIMMFZJ7DG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:V26V2SBC3PADCF3RRIMMFZJ7DG","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":"5452172793585f5cef7b91db7b50c93b472675322cca3064be2b7baf55259510","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"1997-11-28T10:49:01Z","title_canon_sha256":"dba62f7b98685d0e1764aa42a221cca9c4b834ac4e2d6e15303074fa74956182"},"schema_version":"1.0","source":{"id":"hep-ex/9711024","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/9711024","created_at":"2026-05-18T03:47:21Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/9711024v2","created_at":"2026-05-18T03:47:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/9711024","created_at":"2026-05-18T03:47:21Z"},{"alias_kind":"pith_short_12","alias_value":"V26V2SBC3PAD","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"V26V2SBC3PADCF3R","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"V26V2SBC","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:38abffd95223292bd08a5c0312bd0f72fbdbdbccd35405c4ec8ade391c8247d4","target":"graph","created_at":"2026-05-18T03:47:21Z","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":"Two-particle correlation functions of negative hadrons over wide phase space, and transverse mass spectra of negative hadrons and deuterons near mid-rapidity have been measured in central Pb+Pb collisions at 158 GeV per nucleon by the NA49 experiment at the CERN SPS. A novel Coulomb correction procedure for the negative two-particle correlations is employed making use of the measured oppositely charged particle correlation. Within an expanding source scenario these results are used to extract the dynamic characteristics of the hadronic source, resolving the ambiguities between the temperature ","authors_text":"NA49 collaboration","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"1997-11-28T10:49:01Z","title":"Hadronic Expansion Dynamics in Central Pb+Pb Collisions at 158 GeV per Nucleon"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/9711024","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:b428dc78f78e30b81ee6d2125838ccf45b41c5cfd1f6c3a94eb908526f629bb8","target":"record","created_at":"2026-05-18T03:47:21Z","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":"5452172793585f5cef7b91db7b50c93b472675322cca3064be2b7baf55259510","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"1997-11-28T10:49:01Z","title_canon_sha256":"dba62f7b98685d0e1764aa42a221cca9c4b834ac4e2d6e15303074fa74956182"},"schema_version":"1.0","source":{"id":"hep-ex/9711024","kind":"arxiv","version":2}},"canonical_sha256":"aebd5d4822dbc03117718a18c2e53f199a03982979ba4ca03aaa67455a73c767","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aebd5d4822dbc03117718a18c2e53f199a03982979ba4ca03aaa67455a73c767","first_computed_at":"2026-05-18T03:47:21.467853Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:47:21.467853Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rqaVd7V+mJTz+LOooFkQpyn+Z1TQKDDOEjkWSVPNvc3FJm80SUKRwbDGnwySIR+yFBdeYYyxd1RFTjELe7eBDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:47:21.468242Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/9711024","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b428dc78f78e30b81ee6d2125838ccf45b41c5cfd1f6c3a94eb908526f629bb8","sha256:38abffd95223292bd08a5c0312bd0f72fbdbdbccd35405c4ec8ade391c8247d4"],"state_sha256":"e9cb50adad2a80c0b691f1a80a54d188e1097d56216128674256782007c5b3d8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bwhe5ID2xpEqMgcA9gGi3IyEQMsm8Z+kuI2Y73dzl/y2Ptj/Iy3MeQUpo2kgecH2QLWRDAlbMrBS5PEOQ0RYAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T17:30:58.730262Z","bundle_sha256":"74132ad2ca478ff3e34724bd954ad5949c373b395681b0c0b1c1c2f99895c850"}}