{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:ESFRRHPEDUJZG2DBIGOSNTB56J","short_pith_number":"pith:ESFRRHPE","canonical_record":{"source":{"id":"1803.01333","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-03-04T10:39:06Z","cross_cats_sorted":[],"title_canon_sha256":"551df40e53713b64aaf830e736d0857437b32d9e781377b52bbcf18cea826fe7","abstract_canon_sha256":"9ffd6cf2304f114b414441e5fcc3b12177b0b21f7e5f38b0e90c1a84c1d78ac4"},"schema_version":"1.0"},"canonical_sha256":"248b189de41d13936861419d26cc3df2730bdd18c7eabecb720fa50fd6922083","source":{"kind":"arxiv","id":"1803.01333","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.01333","created_at":"2026-05-18T00:09:41Z"},{"alias_kind":"arxiv_version","alias_value":"1803.01333v1","created_at":"2026-05-18T00:09:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.01333","created_at":"2026-05-18T00:09:41Z"},{"alias_kind":"pith_short_12","alias_value":"ESFRRHPEDUJZ","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"ESFRRHPEDUJZG2DB","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"ESFRRHPE","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:ESFRRHPEDUJZG2DBIGOSNTB56J","target":"record","payload":{"canonical_record":{"source":{"id":"1803.01333","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-03-04T10:39:06Z","cross_cats_sorted":[],"title_canon_sha256":"551df40e53713b64aaf830e736d0857437b32d9e781377b52bbcf18cea826fe7","abstract_canon_sha256":"9ffd6cf2304f114b414441e5fcc3b12177b0b21f7e5f38b0e90c1a84c1d78ac4"},"schema_version":"1.0"},"canonical_sha256":"248b189de41d13936861419d26cc3df2730bdd18c7eabecb720fa50fd6922083","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:41.681375Z","signature_b64":"MzOmzPYMTaOWnGvbaacCfFLS29U1CyfxcCFk6/i08BFUJJbIVcNSeNi6/i3FVj0tjShKYC8kXvjL86k6yJ6lCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"248b189de41d13936861419d26cc3df2730bdd18c7eabecb720fa50fd6922083","last_reissued_at":"2026-05-18T00:09:41.680668Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:41.680668Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.01333","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":"2026-05-18T00:09:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w7PxwvxSpRl6ecx4T8wIc6wUyZa28IzGo9WIKBlbQISvSEwuWqn6+OtNjVUAoYvUX7LiBDyldhw63m4FurYQAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T14:16:05.269147Z"},"content_sha256":"934781016ccefccceb89403720fbdfbc08546307b5f6e89aaa7eef30831dbc09","schema_version":"1.0","event_id":"sha256:934781016ccefccceb89403720fbdfbc08546307b5f6e89aaa7eef30831dbc09"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:ESFRRHPEDUJZG2DBIGOSNTB56J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Highly Cited Papers of Ukrainian Scientists Written in Collaboration: A Bibliometric Analysis (2011-2015)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DL","authors_text":"Serhii Nazarovets","submitted_at":"2018-03-04T10:39:06Z","abstract_excerpt":"The paper presents the results of the study of international and national cooperation of Ukrainian scientists from different scientific fields using citation analysis data from Scopus in the period of 2011-2015. The results show that during the period under study, the number of documents of highly cited Ukrainian scientists that have received enough citations to be included to the top 1%, 5% and 10% most cited documents in the world, evidenced an increase and were significantly different in different subjects areas. Papers written by a group of co-authors predominate among highly cited documen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.01333","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":"2026-05-18T00:09:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fpQishY1FM/7QP1rOoAopHWQNc1pXaFSZFd03cvVQJIEf8y1gsrdadt9FXLT8TCkMnXeeNNdi/FZRa+PRzzMDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T14:16:05.269505Z"},"content_sha256":"1f6699fe2aa9a0854f8df030bb202bd8c8abbc1e7cd04b73d36f08cc9c573628","schema_version":"1.0","event_id":"sha256:1f6699fe2aa9a0854f8df030bb202bd8c8abbc1e7cd04b73d36f08cc9c573628"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ESFRRHPEDUJZG2DBIGOSNTB56J/bundle.json","state_url":"https://pith.science/pith/ESFRRHPEDUJZG2DBIGOSNTB56J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ESFRRHPEDUJZG2DBIGOSNTB56J/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":"2026-06-23T14:16:05Z","links":{"resolver":"https://pith.science/pith/ESFRRHPEDUJZG2DBIGOSNTB56J","bundle":"https://pith.science/pith/ESFRRHPEDUJZG2DBIGOSNTB56J/bundle.json","state":"https://pith.science/pith/ESFRRHPEDUJZG2DBIGOSNTB56J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ESFRRHPEDUJZG2DBIGOSNTB56J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ESFRRHPEDUJZG2DBIGOSNTB56J","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":"9ffd6cf2304f114b414441e5fcc3b12177b0b21f7e5f38b0e90c1a84c1d78ac4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-03-04T10:39:06Z","title_canon_sha256":"551df40e53713b64aaf830e736d0857437b32d9e781377b52bbcf18cea826fe7"},"schema_version":"1.0","source":{"id":"1803.01333","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.01333","created_at":"2026-05-18T00:09:41Z"},{"alias_kind":"arxiv_version","alias_value":"1803.01333v1","created_at":"2026-05-18T00:09:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.01333","created_at":"2026-05-18T00:09:41Z"},{"alias_kind":"pith_short_12","alias_value":"ESFRRHPEDUJZ","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"ESFRRHPEDUJZG2DB","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"ESFRRHPE","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:1f6699fe2aa9a0854f8df030bb202bd8c8abbc1e7cd04b73d36f08cc9c573628","target":"graph","created_at":"2026-05-18T00:09:41Z","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":"The paper presents the results of the study of international and national cooperation of Ukrainian scientists from different scientific fields using citation analysis data from Scopus in the period of 2011-2015. The results show that during the period under study, the number of documents of highly cited Ukrainian scientists that have received enough citations to be included to the top 1%, 5% and 10% most cited documents in the world, evidenced an increase and were significantly different in different subjects areas. Papers written by a group of co-authors predominate among highly cited documen","authors_text":"Serhii Nazarovets","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-03-04T10:39:06Z","title":"Highly Cited Papers of Ukrainian Scientists Written in Collaboration: A Bibliometric Analysis (2011-2015)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.01333","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":"sha256:934781016ccefccceb89403720fbdfbc08546307b5f6e89aaa7eef30831dbc09","target":"record","created_at":"2026-05-18T00:09:41Z","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":"9ffd6cf2304f114b414441e5fcc3b12177b0b21f7e5f38b0e90c1a84c1d78ac4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-03-04T10:39:06Z","title_canon_sha256":"551df40e53713b64aaf830e736d0857437b32d9e781377b52bbcf18cea826fe7"},"schema_version":"1.0","source":{"id":"1803.01333","kind":"arxiv","version":1}},"canonical_sha256":"248b189de41d13936861419d26cc3df2730bdd18c7eabecb720fa50fd6922083","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"248b189de41d13936861419d26cc3df2730bdd18c7eabecb720fa50fd6922083","first_computed_at":"2026-05-18T00:09:41.680668Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:41.680668Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MzOmzPYMTaOWnGvbaacCfFLS29U1CyfxcCFk6/i08BFUJJbIVcNSeNi6/i3FVj0tjShKYC8kXvjL86k6yJ6lCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:41.681375Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.01333","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:934781016ccefccceb89403720fbdfbc08546307b5f6e89aaa7eef30831dbc09","sha256:1f6699fe2aa9a0854f8df030bb202bd8c8abbc1e7cd04b73d36f08cc9c573628"],"state_sha256":"efda7f26f1d03050a4d343d3489dad8cf8e8fb57527f37d03ea7b1c05393c5ff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"022S348ClwwFoxXhwBaIwBAA3wMZsYMwSvnPwR5MoWbwcA9S9Alpr1AcakTZbCwCZejH27COR7AJTyiKzM/tDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T14:16:05.271483Z","bundle_sha256":"8c7261c8c970556201935f4c271108de7eaa016bd11e5245728e8c50bc34f529"}}