{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:WKJWLSIHQTZMJMSDDPOH5CIQOG","short_pith_number":"pith:WKJWLSIH","canonical_record":{"source":{"id":"1302.6392","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.DL","submitted_at":"2013-02-26T11:07:16Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"e53896e7186e1a9abcb673b34cadca6f7b32739a18b340a1c46664c318fbc9b4","abstract_canon_sha256":"231b2a82a82cf417521049c0d9e881d681de017fc514db958a0ec176a436b4d8"},"schema_version":"1.0"},"canonical_sha256":"b29365c90784f2c4b2431bdc7e891071a13ee9cdd2e7c6fdb2cb29b2fe0008cc","source":{"kind":"arxiv","id":"1302.6392","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.6392","created_at":"2026-05-18T03:06:13Z"},{"alias_kind":"arxiv_version","alias_value":"1302.6392v1","created_at":"2026-05-18T03:06:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.6392","created_at":"2026-05-18T03:06:13Z"},{"alias_kind":"pith_short_12","alias_value":"WKJWLSIHQTZM","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"WKJWLSIHQTZMJMSD","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"WKJWLSIH","created_at":"2026-05-18T12:28:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:WKJWLSIHQTZMJMSDDPOH5CIQOG","target":"record","payload":{"canonical_record":{"source":{"id":"1302.6392","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.DL","submitted_at":"2013-02-26T11:07:16Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"e53896e7186e1a9abcb673b34cadca6f7b32739a18b340a1c46664c318fbc9b4","abstract_canon_sha256":"231b2a82a82cf417521049c0d9e881d681de017fc514db958a0ec176a436b4d8"},"schema_version":"1.0"},"canonical_sha256":"b29365c90784f2c4b2431bdc7e891071a13ee9cdd2e7c6fdb2cb29b2fe0008cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:06:13.531830Z","signature_b64":"F3rhOu/1InpLgL9/WikE/PG7YFxbWTLN55QEn/KBM5yBbjweiC6zOBFqsTw9ZsuBICgkHlDtJq+pDEOyFMn2AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b29365c90784f2c4b2431bdc7e891071a13ee9cdd2e7c6fdb2cb29b2fe0008cc","last_reissued_at":"2026-05-18T03:06:13.531406Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:06:13.531406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.6392","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:06:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6NGXSanjOgLcCkOutisVb3oEA4JJQY0ax+ef5Dn9490DG6SK6PJnLquH/wquI6+dOxdGGrpTlBYkgVQsnTIZDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T16:14:30.181341Z"},"content_sha256":"59c8b27497e8693fcb5251dffd8c70e53be9e6d5baf90083af7c7b905dfce3d7","schema_version":"1.0","event_id":"sha256:59c8b27497e8693fcb5251dffd8c70e53be9e6d5baf90083af7c7b905dfce3d7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:WKJWLSIHQTZMJMSDDPOH5CIQOG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"How much do different ways of calculating percentiles influence the derived performance indicators? - A case study","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":["physics.soc-ph"],"primary_cat":"cs.DL","authors_text":"Michael Schreiber","submitted_at":"2013-02-26T11:07:16Z","abstract_excerpt":"Bibliometric indicators can be determined by comparing specific citation records with the percentiles of a reference set. However, there exists an ambiguity in the computation of percentiles because usually a significant number of papers with the same citation count are found at the border between percentile rank classes. The present case study of the citations to the journal Europhysics Letters (EPL) in comparison with all physics papers from the Web of Science shows the deviations which occur due to the different ways of treating the tied papers in the evaluation of the percentage of highly "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.6392","kind":"arxiv","version":1},"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":"2026-05-18T03:06:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YX2oTBs+6YrjZwjtuje99k0l5NiIkLpfj01a2k294KjuhPm8b+sGqVXhAiKx4cQh0yJFP7tvR0trdt3NOCYOAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T16:14:30.182034Z"},"content_sha256":"387669efb2128e307d813bf2aca775c750a9e6549949de087d45327ad8ccdede","schema_version":"1.0","event_id":"sha256:387669efb2128e307d813bf2aca775c750a9e6549949de087d45327ad8ccdede"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WKJWLSIHQTZMJMSDDPOH5CIQOG/bundle.json","state_url":"https://pith.science/pith/WKJWLSIHQTZMJMSDDPOH5CIQOG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WKJWLSIHQTZMJMSDDPOH5CIQOG/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":"2026-06-07T16:14:30Z","links":{"resolver":"https://pith.science/pith/WKJWLSIHQTZMJMSDDPOH5CIQOG","bundle":"https://pith.science/pith/WKJWLSIHQTZMJMSDDPOH5CIQOG/bundle.json","state":"https://pith.science/pith/WKJWLSIHQTZMJMSDDPOH5CIQOG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WKJWLSIHQTZMJMSDDPOH5CIQOG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:WKJWLSIHQTZMJMSDDPOH5CIQOG","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":"231b2a82a82cf417521049c0d9e881d681de017fc514db958a0ec176a436b4d8","cross_cats_sorted":["physics.soc-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.DL","submitted_at":"2013-02-26T11:07:16Z","title_canon_sha256":"e53896e7186e1a9abcb673b34cadca6f7b32739a18b340a1c46664c318fbc9b4"},"schema_version":"1.0","source":{"id":"1302.6392","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.6392","created_at":"2026-05-18T03:06:13Z"},{"alias_kind":"arxiv_version","alias_value":"1302.6392v1","created_at":"2026-05-18T03:06:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.6392","created_at":"2026-05-18T03:06:13Z"},{"alias_kind":"pith_short_12","alias_value":"WKJWLSIHQTZM","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"WKJWLSIHQTZMJMSD","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"WKJWLSIH","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:387669efb2128e307d813bf2aca775c750a9e6549949de087d45327ad8ccdede","target":"graph","created_at":"2026-05-18T03:06:13Z","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":"Bibliometric indicators can be determined by comparing specific citation records with the percentiles of a reference set. However, there exists an ambiguity in the computation of percentiles because usually a significant number of papers with the same citation count are found at the border between percentile rank classes. The present case study of the citations to the journal Europhysics Letters (EPL) in comparison with all physics papers from the Web of Science shows the deviations which occur due to the different ways of treating the tied papers in the evaluation of the percentage of highly ","authors_text":"Michael Schreiber","cross_cats":["physics.soc-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.DL","submitted_at":"2013-02-26T11:07:16Z","title":"How much do different ways of calculating percentiles influence the derived performance indicators? - A case study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.6392","kind":"arxiv","version":1},"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":"sha256:59c8b27497e8693fcb5251dffd8c70e53be9e6d5baf90083af7c7b905dfce3d7","target":"record","created_at":"2026-05-18T03:06:13Z","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":"231b2a82a82cf417521049c0d9e881d681de017fc514db958a0ec176a436b4d8","cross_cats_sorted":["physics.soc-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.DL","submitted_at":"2013-02-26T11:07:16Z","title_canon_sha256":"e53896e7186e1a9abcb673b34cadca6f7b32739a18b340a1c46664c318fbc9b4"},"schema_version":"1.0","source":{"id":"1302.6392","kind":"arxiv","version":1}},"canonical_sha256":"b29365c90784f2c4b2431bdc7e891071a13ee9cdd2e7c6fdb2cb29b2fe0008cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b29365c90784f2c4b2431bdc7e891071a13ee9cdd2e7c6fdb2cb29b2fe0008cc","first_computed_at":"2026-05-18T03:06:13.531406Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:06:13.531406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F3rhOu/1InpLgL9/WikE/PG7YFxbWTLN55QEn/KBM5yBbjweiC6zOBFqsTw9ZsuBICgkHlDtJq+pDEOyFMn2AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:06:13.531830Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.6392","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:59c8b27497e8693fcb5251dffd8c70e53be9e6d5baf90083af7c7b905dfce3d7","sha256:387669efb2128e307d813bf2aca775c750a9e6549949de087d45327ad8ccdede"],"state_sha256":"05931722e2fc4f824ff02268bfc62c41ce7cd8f91437d8adb605a890a5b6d74f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hEW0NrU/K36m0Mo7PUJ7kJjic2K40fxHfDgwZtTWvFXMH1DPgSz1ujxhv0Lb9BRfDnzhnIBdnck2JrJfsW06Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T16:14:30.185659Z","bundle_sha256":"b0bc5e8b332324a593b8f7d63f81110a4289b504aaf95067461dfabdf0b8c3ef"}}