{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:H7H5J6TYEF7UAOY3RTUPDY2P7X","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":"d90066f42f702d5c691166105db327ea914e6fd6d7ce238d9597295ab145ccef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-10-30T15:56:42Z","title_canon_sha256":"00004ea0344c106c4e086b585de158256fd1229f057d2d3a316cad25950d81e8"},"schema_version":"1.0","source":{"id":"1810.12827","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.12827","created_at":"2026-05-18T00:01:54Z"},{"alias_kind":"arxiv_version","alias_value":"1810.12827v1","created_at":"2026-05-18T00:01:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.12827","created_at":"2026-05-18T00:01:54Z"},{"alias_kind":"pith_short_12","alias_value":"H7H5J6TYEF7U","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"H7H5J6TYEF7UAOY3","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"H7H5J6TY","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:571ebded8bf1fbc3cf2a1a246a8c080c031c504d53d196545fa17cb3cd5425be","target":"graph","created_at":"2026-05-18T00:01:54Z","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":"There is a worldwide trend towards application of bibliometric research evaluation, in support of the needs of policy makers and research administrators. However the assumptions and limitations of bibliometric measurements suggest a probabilistic rather than the traditional deterministic approach to the assessment of research performance. The aim of this work is to propose a multivariate stochastic model for measuring the performance of individual scientists and to compare the results of its application with those arising from a deterministic approach. The dataset of the analysis covers the sc","authors_text":"Ciriaco Andrea D'Angelo, Corrado Costa, Giovanni Abramo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-10-30T15:56:42Z","title":"A multivariate stochastic model to assess research performance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.12827","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:aa773e97baa5fb1502c3e973ebb7cb68f23d80a13f1469a83e4605542a1257fc","target":"record","created_at":"2026-05-18T00:01:54Z","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":"d90066f42f702d5c691166105db327ea914e6fd6d7ce238d9597295ab145ccef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-10-30T15:56:42Z","title_canon_sha256":"00004ea0344c106c4e086b585de158256fd1229f057d2d3a316cad25950d81e8"},"schema_version":"1.0","source":{"id":"1810.12827","kind":"arxiv","version":1}},"canonical_sha256":"3fcfd4fa78217f403b1b8ce8f1e34ffdda478d0e0c4005cec55ef05fa70e8df4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3fcfd4fa78217f403b1b8ce8f1e34ffdda478d0e0c4005cec55ef05fa70e8df4","first_computed_at":"2026-05-18T00:01:54.038895Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:54.038895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tnFB6aLb49yB45USe8d5QRbjbDxG4Jp130yzGVytEZ86Lzwawskyzqeovu/eqaOK4tF/5ohWfowoSGBsGcniAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:54.039250Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.12827","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa773e97baa5fb1502c3e973ebb7cb68f23d80a13f1469a83e4605542a1257fc","sha256:571ebded8bf1fbc3cf2a1a246a8c080c031c504d53d196545fa17cb3cd5425be"],"state_sha256":"deeae83c411affe0f9f907163ce99a51c2021f35af6900fbbc3177af3e435cc2"}