{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:4VZIBSGCRSYSRWICIKE4GNNVGW","short_pith_number":"pith:4VZIBSGC","canonical_record":{"source":{"id":"1401.5343","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2014-01-21T15:23:37Z","cross_cats_sorted":["stat.ME"],"title_canon_sha256":"dd2e8738ef0e8f372db121abf0b3dc0d691babaa64341413bc8f900d6820575d","abstract_canon_sha256":"813a55e3146efa1bb8c0db1708e9d57ab8162fb2bbf0805a0d39a28b7ec1cc25"},"schema_version":"1.0"},"canonical_sha256":"e57280c8c28cb128d9024289c335b5359855e058139b7fdf3c144d0092aa4bd8","source":{"kind":"arxiv","id":"1401.5343","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.5343","created_at":"2026-05-18T02:46:12Z"},{"alias_kind":"arxiv_version","alias_value":"1401.5343v2","created_at":"2026-05-18T02:46:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.5343","created_at":"2026-05-18T02:46:12Z"},{"alias_kind":"pith_short_12","alias_value":"4VZIBSGCRSYS","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4VZIBSGCRSYSRWIC","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4VZIBSGC","created_at":"2026-05-18T12:28:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:4VZIBSGCRSYSRWICIKE4GNNVGW","target":"record","payload":{"canonical_record":{"source":{"id":"1401.5343","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2014-01-21T15:23:37Z","cross_cats_sorted":["stat.ME"],"title_canon_sha256":"dd2e8738ef0e8f372db121abf0b3dc0d691babaa64341413bc8f900d6820575d","abstract_canon_sha256":"813a55e3146efa1bb8c0db1708e9d57ab8162fb2bbf0805a0d39a28b7ec1cc25"},"schema_version":"1.0"},"canonical_sha256":"e57280c8c28cb128d9024289c335b5359855e058139b7fdf3c144d0092aa4bd8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:46:12.850828Z","signature_b64":"xRIrW5zu9RrrIwph8Ly6H6D0CBs4e7K+UevSxi/st6rxzeeyrzvlgrgVY+g5p1qRnWS6wMsAOIihq1PnJPGIAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e57280c8c28cb128d9024289c335b5359855e058139b7fdf3c144d0092aa4bd8","last_reissued_at":"2026-05-18T02:46:12.850064Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:46:12.850064Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.5343","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:46:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aualgneB+WsGuszvENbdDAed72bcf/gqAS/ljBJfmk6r8sXsFHJk1NqWE18GHsmisXOKO6GKDXJpewao8JY0Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T21:00:44.068270Z"},"content_sha256":"e0d80d38f8be4ffac9089062caebcf927debaf171138d8f004404e83d1ae8384","schema_version":"1.0","event_id":"sha256:e0d80d38f8be4ffac9089062caebcf927debaf171138d8f004404e83d1ae8384"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:4VZIBSGCRSYSRWICIKE4GNNVGW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Clustering South African households based on their asset status using latent variable models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["stat.ME"],"primary_cat":"stat.AP","authors_text":"Chodziwadziwa Whiteson Kabudula, Damien McParland, Isobel Claire Gormley, Mark A. Collinson, Samuel J. Clark, Tyler H. McCormick","submitted_at":"2014-01-21T15:23:37Z","abstract_excerpt":"The Agincourt Health and Demographic Surveillance System has since 2001 conducted a biannual household asset survey in order to quantify household socio-economic status (SES) in a rural population living in northeast South Africa. The survey contains binary, ordinal and nominal items. In the absence of income or expenditure data, the SES landscape in the study population is explored and described by clustering the households into homogeneous groups based on their asset status. A model-based approach to clustering the Agincourt households, based on latent variable models, is proposed. In the ca"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.5343","kind":"arxiv","version":2},"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":"2026-05-18T02:46:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tC8DoEpjv4ycXgm7E6pzH8DtJ2qTRL9zz3Fc+wmGZiHMeEyh3LOWqatP4CYpGZnYUDVlRbr/W61L2IDQSVoECg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T21:00:44.068630Z"},"content_sha256":"cfc4c796cfaa2af54508fc2eb09a3b1c764553250f304c257b5935eaec4cf8e0","schema_version":"1.0","event_id":"sha256:cfc4c796cfaa2af54508fc2eb09a3b1c764553250f304c257b5935eaec4cf8e0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4VZIBSGCRSYSRWICIKE4GNNVGW/bundle.json","state_url":"https://pith.science/pith/4VZIBSGCRSYSRWICIKE4GNNVGW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4VZIBSGCRSYSRWICIKE4GNNVGW/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":"2026-06-02T21:00:44Z","links":{"resolver":"https://pith.science/pith/4VZIBSGCRSYSRWICIKE4GNNVGW","bundle":"https://pith.science/pith/4VZIBSGCRSYSRWICIKE4GNNVGW/bundle.json","state":"https://pith.science/pith/4VZIBSGCRSYSRWICIKE4GNNVGW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4VZIBSGCRSYSRWICIKE4GNNVGW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:4VZIBSGCRSYSRWICIKE4GNNVGW","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":"813a55e3146efa1bb8c0db1708e9d57ab8162fb2bbf0805a0d39a28b7ec1cc25","cross_cats_sorted":["stat.ME"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2014-01-21T15:23:37Z","title_canon_sha256":"dd2e8738ef0e8f372db121abf0b3dc0d691babaa64341413bc8f900d6820575d"},"schema_version":"1.0","source":{"id":"1401.5343","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.5343","created_at":"2026-05-18T02:46:12Z"},{"alias_kind":"arxiv_version","alias_value":"1401.5343v2","created_at":"2026-05-18T02:46:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.5343","created_at":"2026-05-18T02:46:12Z"},{"alias_kind":"pith_short_12","alias_value":"4VZIBSGCRSYS","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4VZIBSGCRSYSRWIC","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4VZIBSGC","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:cfc4c796cfaa2af54508fc2eb09a3b1c764553250f304c257b5935eaec4cf8e0","target":"graph","created_at":"2026-05-18T02:46:12Z","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":"The Agincourt Health and Demographic Surveillance System has since 2001 conducted a biannual household asset survey in order to quantify household socio-economic status (SES) in a rural population living in northeast South Africa. The survey contains binary, ordinal and nominal items. In the absence of income or expenditure data, the SES landscape in the study population is explored and described by clustering the households into homogeneous groups based on their asset status. A model-based approach to clustering the Agincourt households, based on latent variable models, is proposed. In the ca","authors_text":"Chodziwadziwa Whiteson Kabudula, Damien McParland, Isobel Claire Gormley, Mark A. Collinson, Samuel J. Clark, Tyler H. McCormick","cross_cats":["stat.ME"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2014-01-21T15:23:37Z","title":"Clustering South African households based on their asset status using latent variable models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.5343","kind":"arxiv","version":2},"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:e0d80d38f8be4ffac9089062caebcf927debaf171138d8f004404e83d1ae8384","target":"record","created_at":"2026-05-18T02:46:12Z","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":"813a55e3146efa1bb8c0db1708e9d57ab8162fb2bbf0805a0d39a28b7ec1cc25","cross_cats_sorted":["stat.ME"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2014-01-21T15:23:37Z","title_canon_sha256":"dd2e8738ef0e8f372db121abf0b3dc0d691babaa64341413bc8f900d6820575d"},"schema_version":"1.0","source":{"id":"1401.5343","kind":"arxiv","version":2}},"canonical_sha256":"e57280c8c28cb128d9024289c335b5359855e058139b7fdf3c144d0092aa4bd8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e57280c8c28cb128d9024289c335b5359855e058139b7fdf3c144d0092aa4bd8","first_computed_at":"2026-05-18T02:46:12.850064Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:46:12.850064Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xRIrW5zu9RrrIwph8Ly6H6D0CBs4e7K+UevSxi/st6rxzeeyrzvlgrgVY+g5p1qRnWS6wMsAOIihq1PnJPGIAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:46:12.850828Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.5343","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e0d80d38f8be4ffac9089062caebcf927debaf171138d8f004404e83d1ae8384","sha256:cfc4c796cfaa2af54508fc2eb09a3b1c764553250f304c257b5935eaec4cf8e0"],"state_sha256":"87832cfb7b3db50919df7ec3c3e7ebd902492a6a46e5f4c14080601d586b5a97"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bItfX5ZtIzDwXtdo0+gimlBZBbw5m5LVahRsFGX5qdMdnI6eyJgBto1epaBl2Y5CHlsPojgfuz+y+XXCcZvbDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T21:00:44.071033Z","bundle_sha256":"09130b6005ff6f98dfd3fa66f580fa12ed30c57ed16b1a1abdb50f2876853c1c"}}