{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:JYW5DUY2SJXB7QQMIRAK5ADMEM","short_pith_number":"pith:JYW5DUY2","schema_version":"1.0","canonical_sha256":"4e2dd1d31a926e1fc20c4440ae806c23262cbd3cbe14d62a26f0aaca46f66c6a","source":{"kind":"arxiv","id":"1901.00399","version":1},"attestation_state":"computed","paper":{"title":"Unary and Binary Classification Approaches and their Implications for Authorship Verification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CL","cs.LG","stat.ML"],"primary_cat":"cs.IR","authors_text":"Christian Winter, Lukas Graner, Oren Halvani","submitted_at":"2018-12-31T16:04:16Z","abstract_excerpt":"Retrieving indexed documents, not by their topical content but their writing style opens the door for a number of applications in information retrieval (IR). One application is to retrieve textual content of a certain author X, where the queried IR system is provided beforehand with a set of reference texts of X. Authorship verification (AV), which is a research subject in the field of digital text forensics, is suitable for this purpose. The task of AV is to determine if two documents (i.e. an indexed and a reference document) have been written by the same author X. Even though AV represents "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1901.00399","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-12-31T16:04:16Z","cross_cats_sorted":["cs.CL","cs.LG","stat.ML"],"title_canon_sha256":"be6559bdd2ff6a97722fa5125b02f4ac80e1d5f52e648bd57ed5eed0c19557af","abstract_canon_sha256":"575e9861982d950db7939065ad5be6fdbf5281b40eedc1446ea7d451045fb3b7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:03.971999Z","signature_b64":"fgTef5/dsEN9v6tZtluqGPPN9+nTafg8kVWbSi0u4TeCVNGt8b5k/rUn/fe7AWiZ/YqpB14bP1qBzBMZ8XiRDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e2dd1d31a926e1fc20c4440ae806c23262cbd3cbe14d62a26f0aaca46f66c6a","last_reissued_at":"2026-05-17T23:57:03.971333Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:03.971333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Unary and Binary Classification Approaches and their Implications for Authorship Verification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CL","cs.LG","stat.ML"],"primary_cat":"cs.IR","authors_text":"Christian Winter, Lukas Graner, Oren Halvani","submitted_at":"2018-12-31T16:04:16Z","abstract_excerpt":"Retrieving indexed documents, not by their topical content but their writing style opens the door for a number of applications in information retrieval (IR). One application is to retrieve textual content of a certain author X, where the queried IR system is provided beforehand with a set of reference texts of X. Authorship verification (AV), which is a research subject in the field of digital text forensics, is suitable for this purpose. The task of AV is to determine if two documents (i.e. an indexed and a reference document) have been written by the same author X. Even though AV represents "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.00399","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1901.00399","created_at":"2026-05-17T23:57:03.971431+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.00399v1","created_at":"2026-05-17T23:57:03.971431+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.00399","created_at":"2026-05-17T23:57:03.971431+00:00"},{"alias_kind":"pith_short_12","alias_value":"JYW5DUY2SJXB","created_at":"2026-05-18T12:32:33.847187+00:00"},{"alias_kind":"pith_short_16","alias_value":"JYW5DUY2SJXB7QQM","created_at":"2026-05-18T12:32:33.847187+00:00"},{"alias_kind":"pith_short_8","alias_value":"JYW5DUY2","created_at":"2026-05-18T12:32:33.847187+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/JYW5DUY2SJXB7QQMIRAK5ADMEM","json":"https://pith.science/pith/JYW5DUY2SJXB7QQMIRAK5ADMEM.json","graph_json":"https://pith.science/api/pith-number/JYW5DUY2SJXB7QQMIRAK5ADMEM/graph.json","events_json":"https://pith.science/api/pith-number/JYW5DUY2SJXB7QQMIRAK5ADMEM/events.json","paper":"https://pith.science/paper/JYW5DUY2"},"agent_actions":{"view_html":"https://pith.science/pith/JYW5DUY2SJXB7QQMIRAK5ADMEM","download_json":"https://pith.science/pith/JYW5DUY2SJXB7QQMIRAK5ADMEM.json","view_paper":"https://pith.science/paper/JYW5DUY2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.00399&json=true","fetch_graph":"https://pith.science/api/pith-number/JYW5DUY2SJXB7QQMIRAK5ADMEM/graph.json","fetch_events":"https://pith.science/api/pith-number/JYW5DUY2SJXB7QQMIRAK5ADMEM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JYW5DUY2SJXB7QQMIRAK5ADMEM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JYW5DUY2SJXB7QQMIRAK5ADMEM/action/storage_attestation","attest_author":"https://pith.science/pith/JYW5DUY2SJXB7QQMIRAK5ADMEM/action/author_attestation","sign_citation":"https://pith.science/pith/JYW5DUY2SJXB7QQMIRAK5ADMEM/action/citation_signature","submit_replication":"https://pith.science/pith/JYW5DUY2SJXB7QQMIRAK5ADMEM/action/replication_record"}},"created_at":"2026-05-17T23:57:03.971431+00:00","updated_at":"2026-05-17T23:57:03.971431+00:00"}