{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ZPOSVVE3F5QDFHENR6QCAO2VJN","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":"b69deffa37f51d7fcb94384f58ade0173ac9b8ea3577af5d077cadcfdbf489ba","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-10-31T15:32:51Z","title_canon_sha256":"82d8aef16dd4ec44f3aa1def8638ffa908381f7a146d1e2c60a59fed73133406"},"schema_version":"1.0","source":{"id":"1810.13341","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.13341","created_at":"2026-05-18T00:01:49Z"},{"alias_kind":"arxiv_version","alias_value":"1810.13341v1","created_at":"2026-05-18T00:01:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.13341","created_at":"2026-05-18T00:01:49Z"},{"alias_kind":"pith_short_12","alias_value":"ZPOSVVE3F5QD","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZPOSVVE3F5QDFHEN","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZPOSVVE3","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:e363443386cd2e401461a59d5a8bf2d69b60fff96a9ec708295ba35d9063df3d","target":"graph","created_at":"2026-05-18T00:01:49Z","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":"Policy-makers working at the national and regional levels could find the territorial mapping of research productivity by field to be useful in informing both research and industrial policy. Research-based private companies could also use such mapping for efficient selection in localizing R&D activities and university research collaborations. In this work we apply a bibliometric methodology for ranking by research productivity: i) the fields of research for each territory (region and province); and ii) the territories for each scientific field. The analysis is based on the 2008-2012 scientific ","authors_text":"Ciriaco Andrea D'Angelo, Giovanni Abramo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-10-31T15:32:51Z","title":"A methodology to compute the territorial productivity of scientists: The case of Italy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.13341","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":"sha256:93a1c28114c6477d1fc644d1463c852d531935b7b1661fdf76cb8096b7e0b8e2","target":"record","created_at":"2026-05-18T00:01:49Z","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":"b69deffa37f51d7fcb94384f58ade0173ac9b8ea3577af5d077cadcfdbf489ba","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-10-31T15:32:51Z","title_canon_sha256":"82d8aef16dd4ec44f3aa1def8638ffa908381f7a146d1e2c60a59fed73133406"},"schema_version":"1.0","source":{"id":"1810.13341","kind":"arxiv","version":1}},"canonical_sha256":"cbdd2ad49b2f60329c8d8fa0203b554b6660ae8b6c8d300068403d3daedda4d4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cbdd2ad49b2f60329c8d8fa0203b554b6660ae8b6c8d300068403d3daedda4d4","first_computed_at":"2026-05-18T00:01:49.622894Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:49.622894Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"g9Io3tjeLoeG0L9PloMnCrFSt1m9lFDLzU3aCjJrMMVQbUjRk0o2QdQcdn703FeEWXYnlb9nrveZxaG8qHp2Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:49.623592Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.13341","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93a1c28114c6477d1fc644d1463c852d531935b7b1661fdf76cb8096b7e0b8e2","sha256:e363443386cd2e401461a59d5a8bf2d69b60fff96a9ec708295ba35d9063df3d"],"state_sha256":"1267017c4a0b62c52cc5faffacb2f13b4d92964f00ffe40810b38bcb7bdbccc0"}