{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:WHNEGSCTY26VZQV7HHGED3WHAZ","short_pith_number":"pith:WHNEGSCT","canonical_record":{"source":{"id":"1811.01731","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-11-05T14:34:48Z","cross_cats_sorted":[],"title_canon_sha256":"b289b6e783c53acc40dce6b98b4380d1c907105d263e4ef288ebd18e64cbff5d","abstract_canon_sha256":"ef234881dc5136dce12ca3fb3dd1557d4b09a19df15e0f35b779092035ec8d9f"},"schema_version":"1.0"},"canonical_sha256":"b1da434853c6bd5cc2bf39cc41eec706422f61252c03a4c402855c32667cb4e9","source":{"kind":"arxiv","id":"1811.01731","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.01731","created_at":"2026-05-18T00:01:33Z"},{"alias_kind":"arxiv_version","alias_value":"1811.01731v1","created_at":"2026-05-18T00:01:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.01731","created_at":"2026-05-18T00:01:33Z"},{"alias_kind":"pith_short_12","alias_value":"WHNEGSCTY26V","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"WHNEGSCTY26VZQV7","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"WHNEGSCT","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:WHNEGSCTY26VZQV7HHGED3WHAZ","target":"record","payload":{"canonical_record":{"source":{"id":"1811.01731","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-11-05T14:34:48Z","cross_cats_sorted":[],"title_canon_sha256":"b289b6e783c53acc40dce6b98b4380d1c907105d263e4ef288ebd18e64cbff5d","abstract_canon_sha256":"ef234881dc5136dce12ca3fb3dd1557d4b09a19df15e0f35b779092035ec8d9f"},"schema_version":"1.0"},"canonical_sha256":"b1da434853c6bd5cc2bf39cc41eec706422f61252c03a4c402855c32667cb4e9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:33.442642Z","signature_b64":"NEKfOjbUcyeMy67bxXPxLxTJOqxHM0ldeN+HeTP1zmLPX8OYB8CVvM5i7EDc/Whs3kFpVk7lH9edKc0OxjTgAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b1da434853c6bd5cc2bf39cc41eec706422f61252c03a4c402855c32667cb4e9","last_reissued_at":"2026-05-18T00:01:33.442120Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:33.442120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.01731","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":"2026-05-18T00:01:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o8DT1mI80pVcaepT0GG1Hzw01CEvuxbD8e93jWEvZj9DijP+bG4fjgPM3nN/TGjQIQgOjOTmtDng5Dmlmc/XCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T06:36:22.059445Z"},"content_sha256":"5afa9c4914eceb0719756f0b13d19c51519ff83bca7996d9a2fe4506dd6525bf","schema_version":"1.0","event_id":"sha256:5afa9c4914eceb0719756f0b13d19c51519ff83bca7996d9a2fe4506dd6525bf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:WHNEGSCTY26VZQV7HHGED3WHAZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Research productivity: are higher academic ranks more productive than lower ones?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DL","authors_text":"Ciriaco Andrea D'Angelo, Flavia Di Costa, Giovanni Abramo","submitted_at":"2018-11-05T14:34:48Z","abstract_excerpt":"This work analyses the links between individual research performance and academic rank. A typical bibliometric methodology is used to study the performance of all Italian university researchers active in the hard sciences, for the period 2004-2008. The objective is to characterize the performance of the ranks of full, associate and assistant professors, along various dimensions, in order to verify the existence of performance differences among the ranks in general and for single disciplines."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.01731","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":"2026-05-18T00:01:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KW95O65s4/aRMQj79c19zOL3ABzfatrDz8AwhVTEv4s9UAne4DE3N8xyX705GHA8C4xsllDGEBUBKgfOYC/bAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T06:36:22.060127Z"},"content_sha256":"cf44f6d6ee56a317f28a920523753a0db1e70fbab8fb1c216bfe3e5529052f57","schema_version":"1.0","event_id":"sha256:cf44f6d6ee56a317f28a920523753a0db1e70fbab8fb1c216bfe3e5529052f57"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WHNEGSCTY26VZQV7HHGED3WHAZ/bundle.json","state_url":"https://pith.science/pith/WHNEGSCTY26VZQV7HHGED3WHAZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WHNEGSCTY26VZQV7HHGED3WHAZ/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":"2026-06-10T06:36:22Z","links":{"resolver":"https://pith.science/pith/WHNEGSCTY26VZQV7HHGED3WHAZ","bundle":"https://pith.science/pith/WHNEGSCTY26VZQV7HHGED3WHAZ/bundle.json","state":"https://pith.science/pith/WHNEGSCTY26VZQV7HHGED3WHAZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WHNEGSCTY26VZQV7HHGED3WHAZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:WHNEGSCTY26VZQV7HHGED3WHAZ","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":"ef234881dc5136dce12ca3fb3dd1557d4b09a19df15e0f35b779092035ec8d9f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-11-05T14:34:48Z","title_canon_sha256":"b289b6e783c53acc40dce6b98b4380d1c907105d263e4ef288ebd18e64cbff5d"},"schema_version":"1.0","source":{"id":"1811.01731","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.01731","created_at":"2026-05-18T00:01:33Z"},{"alias_kind":"arxiv_version","alias_value":"1811.01731v1","created_at":"2026-05-18T00:01:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.01731","created_at":"2026-05-18T00:01:33Z"},{"alias_kind":"pith_short_12","alias_value":"WHNEGSCTY26V","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"WHNEGSCTY26VZQV7","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"WHNEGSCT","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:cf44f6d6ee56a317f28a920523753a0db1e70fbab8fb1c216bfe3e5529052f57","target":"graph","created_at":"2026-05-18T00:01:33Z","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":"This work analyses the links between individual research performance and academic rank. A typical bibliometric methodology is used to study the performance of all Italian university researchers active in the hard sciences, for the period 2004-2008. The objective is to characterize the performance of the ranks of full, associate and assistant professors, along various dimensions, in order to verify the existence of performance differences among the ranks in general and for single disciplines.","authors_text":"Ciriaco Andrea D'Angelo, Flavia Di Costa, Giovanni Abramo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-11-05T14:34:48Z","title":"Research productivity: are higher academic ranks more productive than lower ones?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.01731","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":"sha256:5afa9c4914eceb0719756f0b13d19c51519ff83bca7996d9a2fe4506dd6525bf","target":"record","created_at":"2026-05-18T00:01:33Z","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":"ef234881dc5136dce12ca3fb3dd1557d4b09a19df15e0f35b779092035ec8d9f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-11-05T14:34:48Z","title_canon_sha256":"b289b6e783c53acc40dce6b98b4380d1c907105d263e4ef288ebd18e64cbff5d"},"schema_version":"1.0","source":{"id":"1811.01731","kind":"arxiv","version":1}},"canonical_sha256":"b1da434853c6bd5cc2bf39cc41eec706422f61252c03a4c402855c32667cb4e9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b1da434853c6bd5cc2bf39cc41eec706422f61252c03a4c402855c32667cb4e9","first_computed_at":"2026-05-18T00:01:33.442120Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:33.442120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NEKfOjbUcyeMy67bxXPxLxTJOqxHM0ldeN+HeTP1zmLPX8OYB8CVvM5i7EDc/Whs3kFpVk7lH9edKc0OxjTgAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:33.442642Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.01731","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5afa9c4914eceb0719756f0b13d19c51519ff83bca7996d9a2fe4506dd6525bf","sha256:cf44f6d6ee56a317f28a920523753a0db1e70fbab8fb1c216bfe3e5529052f57"],"state_sha256":"9063260ff8ac07dbe2da060275287e3a047704917622e06d06826037c1a70c4e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cVKKGLlrg9dmdoHKWRcVKPrqwFotqXldMTrJPxPm0UqCmU9Bywg6DoGjhCDN/JxaGKDxPjE903eFPPH3g6gYAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T06:36:22.064863Z","bundle_sha256":"5d4384b1b430385437f8c1faaed62a3e25821bf2ba7b334fa5910e4eb9aa87dc"}}