{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:AT26HOBFWYWCN5EQHH723A7SL3","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":"854f0ee7d490dd5f63fbec976a1a3fa5af62abbda77b691efbaa15ed92dabe8d","cross_cats_sorted":["cs.DB","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2019-05-11T11:36:37Z","title_canon_sha256":"1f53530bcaec7f4270fa57c86951f292aded7b509a0c3841df3987965d9ec111"},"schema_version":"1.0","source":{"id":"1905.04505","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.04505","created_at":"2026-05-17T23:46:24Z"},{"alias_kind":"arxiv_version","alias_value":"1905.04505v1","created_at":"2026-05-17T23:46:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.04505","created_at":"2026-05-17T23:46:24Z"},{"alias_kind":"pith_short_12","alias_value":"AT26HOBFWYWC","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"AT26HOBFWYWCN5EQ","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"AT26HOBF","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:3b9acff81df63b68a57a70dea3ab482ef2d4c6c829f397815fe279c41cbdc54e","target":"graph","created_at":"2026-05-17T23:46:24Z","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":"Researchers often query online social platforms through their application programming interfaces (API) to find target populations such as people with mental illness~\\cite{De-Choudhury2017} and jazz musicians~\\cite{heckathorn2001finding}. Entities of such target population satisfy a property that is typically identified using an oracle (human or a pre-trained classifier). When the property of the target entities is not directly queryable via the API, we refer to the property as `hidden' and the population as a hidden population. Finding individuals who belong to these populations on social netw","authors_text":"Changyu Wang, Hari Sundaram, Heting Gao, Kevin Chen-Chuan Chang, Suhansanu Kumar","cross_cats":["cs.DB","cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2019-05-11T11:36:37Z","title":"Mining Hidden Populations through Attributed Search"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.04505","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":"sha256:11387c2c4ce92a6354ba095414c9b30825bfbbec147bbb093d5bbc756a130504","target":"record","created_at":"2026-05-17T23:46:24Z","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":"854f0ee7d490dd5f63fbec976a1a3fa5af62abbda77b691efbaa15ed92dabe8d","cross_cats_sorted":["cs.DB","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2019-05-11T11:36:37Z","title_canon_sha256":"1f53530bcaec7f4270fa57c86951f292aded7b509a0c3841df3987965d9ec111"},"schema_version":"1.0","source":{"id":"1905.04505","kind":"arxiv","version":1}},"canonical_sha256":"04f5e3b825b62c26f49039ffad83f25ef870e5889acc40d27ae3063ed9813dcd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"04f5e3b825b62c26f49039ffad83f25ef870e5889acc40d27ae3063ed9813dcd","first_computed_at":"2026-05-17T23:46:24.614337Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:46:24.614337Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6I1T9wfRxglKGayAAHJcaIGmx7qTzkauxqa4EGl9kiE+3YaLp3ZEjl3btl2OxFb2PN5cjg9dXMj78+UtNKoSDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:46:24.615071Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.04505","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:11387c2c4ce92a6354ba095414c9b30825bfbbec147bbb093d5bbc756a130504","sha256:3b9acff81df63b68a57a70dea3ab482ef2d4c6c829f397815fe279c41cbdc54e"],"state_sha256":"5f7620a4b4238334a226c37860e7b2c5bfff16e3202d1b26c05c054dd0948fd0"}