{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:RQQRLIW22TTNXZXH27437CDLQM","short_pith_number":"pith:RQQRLIW2","canonical_record":{"source":{"id":"1810.04736","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-10T20:22:15Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"10b3aa1a3021d254f1d11d28e4f41719ab07b430888f7d7721f512a13c6d40aa","abstract_canon_sha256":"fe76205db9308bdd161749f715fb7dd7490e1079a34dd4a6f7d532cbf10ce2ae"},"schema_version":"1.0"},"canonical_sha256":"8c2115a2dad4e6dbe6e7d7f9bf886b8318deab1684a0615bb3022cc09fe6a79c","source":{"kind":"arxiv","id":"1810.04736","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.04736","created_at":"2026-07-05T01:13:51Z"},{"alias_kind":"arxiv_version","alias_value":"1810.04736v3","created_at":"2026-07-05T01:13:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.04736","created_at":"2026-07-05T01:13:51Z"},{"alias_kind":"pith_short_12","alias_value":"RQQRLIW22TTN","created_at":"2026-07-05T01:13:51Z"},{"alias_kind":"pith_short_16","alias_value":"RQQRLIW22TTNXZXH","created_at":"2026-07-05T01:13:51Z"},{"alias_kind":"pith_short_8","alias_value":"RQQRLIW2","created_at":"2026-07-05T01:13:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:RQQRLIW22TTNXZXH27437CDLQM","target":"record","payload":{"canonical_record":{"source":{"id":"1810.04736","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-10T20:22:15Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"10b3aa1a3021d254f1d11d28e4f41719ab07b430888f7d7721f512a13c6d40aa","abstract_canon_sha256":"fe76205db9308bdd161749f715fb7dd7490e1079a34dd4a6f7d532cbf10ce2ae"},"schema_version":"1.0"},"canonical_sha256":"8c2115a2dad4e6dbe6e7d7f9bf886b8318deab1684a0615bb3022cc09fe6a79c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:13:51.762612Z","signature_b64":"G7NRgGzKYKva7s18KsKT2jbmay19HYGXTytlk5x373h0Hudo7K2NtVU5NZ8zf18mjRKeWl56TvplUJhqwzEUDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c2115a2dad4e6dbe6e7d7f9bf886b8318deab1684a0615bb3022cc09fe6a79c","last_reissued_at":"2026-07-05T01:13:51.762178Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:13:51.762178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.04736","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":"2026-07-05T01:13:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/zkDjBxDOylZOFH8yKm5io7Q17OYaMk0QhtJICDDWfTlg2Lq44yAEBKeJM1CEDlWteqKjoMMFRrrZOfk1KGlDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:48:19.931023Z"},"content_sha256":"c380f61a6ab60f6ecb093e7d26a1dc72d36752af9e11bf215316635bad4b8fc1","schema_version":"1.0","event_id":"sha256:c380f61a6ab60f6ecb093e7d26a1dc72d36752af9e11bf215316635bad4b8fc1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:RQQRLIW22TTNXZXH27437CDLQM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Strangeness Enhancement due to String Fluctuations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"B.Z. Kopeliovich, H.J. Pirner, K. Reygers","submitted_at":"2018-10-10T20:22:15Z","abstract_excerpt":"We study string fragmentation in high multiplicity proton-proton collisions in a model where the string tension fluctuates. These fluctuations produce exponential pion spectra which are fitted to the transverse momentum distributions of charged particles for different multiplicities. For each multiplicity the so obtained hadronic slope parameter defines the magnitude of the string fluctuations which in turn determines the produced ratio of strange to light quarks. PYTHIA string decay simulations are used to convert each ratio of strange to light quarks to the appropriate ratio of strange hadro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.04736","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/1810.04736/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":"2026-07-05T01:13:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZJEs3f9FU8y+CGlWWwD27w0oP8vgNPFV5ObwVl5MFc4lt2BFx8p1MPBLr9QTbB1QUMpITblmDVwcur+RwP7XCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:48:19.931411Z"},"content_sha256":"adb63dea204a87c26d6391ca11f978c7d3922622a62b46d0b52c377315512fb9","schema_version":"1.0","event_id":"sha256:adb63dea204a87c26d6391ca11f978c7d3922622a62b46d0b52c377315512fb9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RQQRLIW22TTNXZXH27437CDLQM/bundle.json","state_url":"https://pith.science/pith/RQQRLIW22TTNXZXH27437CDLQM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RQQRLIW22TTNXZXH27437CDLQM/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":"2026-07-07T13:48:19Z","links":{"resolver":"https://pith.science/pith/RQQRLIW22TTNXZXH27437CDLQM","bundle":"https://pith.science/pith/RQQRLIW22TTNXZXH27437CDLQM/bundle.json","state":"https://pith.science/pith/RQQRLIW22TTNXZXH27437CDLQM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RQQRLIW22TTNXZXH27437CDLQM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:RQQRLIW22TTNXZXH27437CDLQM","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":"fe76205db9308bdd161749f715fb7dd7490e1079a34dd4a6f7d532cbf10ce2ae","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-10T20:22:15Z","title_canon_sha256":"10b3aa1a3021d254f1d11d28e4f41719ab07b430888f7d7721f512a13c6d40aa"},"schema_version":"1.0","source":{"id":"1810.04736","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.04736","created_at":"2026-07-05T01:13:51Z"},{"alias_kind":"arxiv_version","alias_value":"1810.04736v3","created_at":"2026-07-05T01:13:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.04736","created_at":"2026-07-05T01:13:51Z"},{"alias_kind":"pith_short_12","alias_value":"RQQRLIW22TTN","created_at":"2026-07-05T01:13:51Z"},{"alias_kind":"pith_short_16","alias_value":"RQQRLIW22TTNXZXH","created_at":"2026-07-05T01:13:51Z"},{"alias_kind":"pith_short_8","alias_value":"RQQRLIW2","created_at":"2026-07-05T01:13:51Z"}],"graph_snapshots":[{"event_id":"sha256:adb63dea204a87c26d6391ca11f978c7d3922622a62b46d0b52c377315512fb9","target":"graph","created_at":"2026-07-05T01:13:51Z","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/1810.04736/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study string fragmentation in high multiplicity proton-proton collisions in a model where the string tension fluctuates. These fluctuations produce exponential pion spectra which are fitted to the transverse momentum distributions of charged particles for different multiplicities. For each multiplicity the so obtained hadronic slope parameter defines the magnitude of the string fluctuations which in turn determines the produced ratio of strange to light quarks. PYTHIA string decay simulations are used to convert each ratio of strange to light quarks to the appropriate ratio of strange hadro","authors_text":"B.Z. Kopeliovich, H.J. Pirner, K. Reygers","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-10T20:22:15Z","title":"Strangeness Enhancement due to String Fluctuations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.04736","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:c380f61a6ab60f6ecb093e7d26a1dc72d36752af9e11bf215316635bad4b8fc1","target":"record","created_at":"2026-07-05T01:13:51Z","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":"fe76205db9308bdd161749f715fb7dd7490e1079a34dd4a6f7d532cbf10ce2ae","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-10T20:22:15Z","title_canon_sha256":"10b3aa1a3021d254f1d11d28e4f41719ab07b430888f7d7721f512a13c6d40aa"},"schema_version":"1.0","source":{"id":"1810.04736","kind":"arxiv","version":3}},"canonical_sha256":"8c2115a2dad4e6dbe6e7d7f9bf886b8318deab1684a0615bb3022cc09fe6a79c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c2115a2dad4e6dbe6e7d7f9bf886b8318deab1684a0615bb3022cc09fe6a79c","first_computed_at":"2026-07-05T01:13:51.762178Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:13:51.762178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G7NRgGzKYKva7s18KsKT2jbmay19HYGXTytlk5x373h0Hudo7K2NtVU5NZ8zf18mjRKeWl56TvplUJhqwzEUDw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:13:51.762612Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.04736","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c380f61a6ab60f6ecb093e7d26a1dc72d36752af9e11bf215316635bad4b8fc1","sha256:adb63dea204a87c26d6391ca11f978c7d3922622a62b46d0b52c377315512fb9"],"state_sha256":"802d106b5e7861aff64e5edffd15e8d167fed1880c25e444c81adbde33294260"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0HouZfeUSxIJPEc2Uf583xJWWdGsR94zncbo7FN7l7u184eUzOiYBfhHSVz9FZqOZcJpDBFHJMceVMnJ5rqZAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:48:19.933327Z","bundle_sha256":"db833da07cb5bfc554b52b13152bc84979d8d24d4fc2a16f2108daaa21188c66"}}