{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:2WWV6I3BACNKN5BCSKBYVIKSEW","short_pith_number":"pith:2WWV6I3B","canonical_record":{"source":{"id":"2412.12405","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"stat.ME","submitted_at":"2024-12-16T23:17:15Z","cross_cats_sorted":[],"title_canon_sha256":"e064b012b8e073d63a336ecb91b42c4ed8dee9204d34a8f031b19c09b2cd073f","abstract_canon_sha256":"7276a404e4143735d21a872caf5c084e3ed2b7b331f52b46336e75b89f1ce887"},"schema_version":"1.0"},"canonical_sha256":"d5ad5f2361009aa6f42292838aa15225b93e3e99349917ee5acefae41f739180","source":{"kind":"arxiv","id":"2412.12405","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.12405","created_at":"2026-07-05T11:13:17Z"},{"alias_kind":"arxiv_version","alias_value":"2412.12405v2","created_at":"2026-07-05T11:13:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.12405","created_at":"2026-07-05T11:13:17Z"},{"alias_kind":"pith_short_12","alias_value":"2WWV6I3BACNK","created_at":"2026-07-05T11:13:17Z"},{"alias_kind":"pith_short_16","alias_value":"2WWV6I3BACNKN5BC","created_at":"2026-07-05T11:13:17Z"},{"alias_kind":"pith_short_8","alias_value":"2WWV6I3B","created_at":"2026-07-05T11:13:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:2WWV6I3BACNKN5BCSKBYVIKSEW","target":"record","payload":{"canonical_record":{"source":{"id":"2412.12405","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"stat.ME","submitted_at":"2024-12-16T23:17:15Z","cross_cats_sorted":[],"title_canon_sha256":"e064b012b8e073d63a336ecb91b42c4ed8dee9204d34a8f031b19c09b2cd073f","abstract_canon_sha256":"7276a404e4143735d21a872caf5c084e3ed2b7b331f52b46336e75b89f1ce887"},"schema_version":"1.0"},"canonical_sha256":"d5ad5f2361009aa6f42292838aa15225b93e3e99349917ee5acefae41f739180","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:13:17.098071Z","signature_b64":"DcqyFh7rkrpGZJaST3hq20TfBhh0oaZ/Y1q6bNp0P/UHHHlp2Rgz3iFTA0lnJwyzuV6b2ycOQyQyYHLfdZVACg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d5ad5f2361009aa6f42292838aa15225b93e3e99349917ee5acefae41f739180","last_reissued_at":"2026-07-05T11:13:17.097558Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:13:17.097558Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.12405","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":"2026-07-05T11:13:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fM+TeoFMKZJ9jTwLAu4IAvIunigEGN+hYYGvO7Vb3KJk5ubkrA/2CMwrdh3ce64SrWmCb1ZkyLdxg4JUnJbNBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T03:56:30.450520Z"},"content_sha256":"0fc9a5a6c8be538f58a8f9afb92e851d262df27839e23a5416591e7b1c69c2cb","schema_version":"1.0","event_id":"sha256:0fc9a5a6c8be538f58a8f9afb92e851d262df27839e23a5416591e7b1c69c2cb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:2WWV6I3BACNKN5BCSKBYVIKSEW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Generalized entropy calibration for analyzing voluntary survey data","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"stat.ME","authors_text":"Jae Kwang Kim, Yonghyun Kwon, Yumou Qiu","submitted_at":"2024-12-16T23:17:15Z","abstract_excerpt":"Statistical analysis of voluntary survey data is an important area of research in survey sampling. We consider a unified approach to voluntary survey data analysis under the assumption that the sampling mechanism is ignorable. Generalized entropy calibration is introduced as a unified tool for calibration weighting to control the selection bias. We first establish the relationship between the generalized calibration weighting and its dual expression for regression estimation. The dual relationship is critical in identifying the implied regression model and developing model selection for calibr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.12405","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2412.12405/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T11:13:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FVvoKYY6MNE75qhK9XhwPq5krRJsqKOtLbYetqWUGXznlo7g2PcDC8g3PjjKd8ETTiaNMcWsThU9YmkxI/63Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T03:56:30.451079Z"},"content_sha256":"fb941626e9237d906329b31718c0a84e11dfe859cde4a3aee5197270f65f17ad","schema_version":"1.0","event_id":"sha256:fb941626e9237d906329b31718c0a84e11dfe859cde4a3aee5197270f65f17ad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2WWV6I3BACNKN5BCSKBYVIKSEW/bundle.json","state_url":"https://pith.science/pith/2WWV6I3BACNKN5BCSKBYVIKSEW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2WWV6I3BACNKN5BCSKBYVIKSEW/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":"2026-08-23T03:56:30Z","links":{"resolver":"https://pith.science/pith/2WWV6I3BACNKN5BCSKBYVIKSEW","bundle":"https://pith.science/pith/2WWV6I3BACNKN5BCSKBYVIKSEW/bundle.json","state":"https://pith.science/pith/2WWV6I3BACNKN5BCSKBYVIKSEW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2WWV6I3BACNKN5BCSKBYVIKSEW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:2WWV6I3BACNKN5BCSKBYVIKSEW","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":"7276a404e4143735d21a872caf5c084e3ed2b7b331f52b46336e75b89f1ce887","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"stat.ME","submitted_at":"2024-12-16T23:17:15Z","title_canon_sha256":"e064b012b8e073d63a336ecb91b42c4ed8dee9204d34a8f031b19c09b2cd073f"},"schema_version":"1.0","source":{"id":"2412.12405","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.12405","created_at":"2026-07-05T11:13:17Z"},{"alias_kind":"arxiv_version","alias_value":"2412.12405v2","created_at":"2026-07-05T11:13:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.12405","created_at":"2026-07-05T11:13:17Z"},{"alias_kind":"pith_short_12","alias_value":"2WWV6I3BACNK","created_at":"2026-07-05T11:13:17Z"},{"alias_kind":"pith_short_16","alias_value":"2WWV6I3BACNKN5BC","created_at":"2026-07-05T11:13:17Z"},{"alias_kind":"pith_short_8","alias_value":"2WWV6I3B","created_at":"2026-07-05T11:13:17Z"}],"graph_snapshots":[{"event_id":"sha256:fb941626e9237d906329b31718c0a84e11dfe859cde4a3aee5197270f65f17ad","target":"graph","created_at":"2026-07-05T11:13:17Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2412.12405/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Statistical analysis of voluntary survey data is an important area of research in survey sampling. We consider a unified approach to voluntary survey data analysis under the assumption that the sampling mechanism is ignorable. Generalized entropy calibration is introduced as a unified tool for calibration weighting to control the selection bias. We first establish the relationship between the generalized calibration weighting and its dual expression for regression estimation. The dual relationship is critical in identifying the implied regression model and developing model selection for calibr","authors_text":"Jae Kwang Kim, Yonghyun Kwon, Yumou Qiu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"stat.ME","submitted_at":"2024-12-16T23:17:15Z","title":"Generalized entropy calibration for analyzing voluntary survey data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.12405","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":"sha256:0fc9a5a6c8be538f58a8f9afb92e851d262df27839e23a5416591e7b1c69c2cb","target":"record","created_at":"2026-07-05T11:13:17Z","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":"7276a404e4143735d21a872caf5c084e3ed2b7b331f52b46336e75b89f1ce887","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"stat.ME","submitted_at":"2024-12-16T23:17:15Z","title_canon_sha256":"e064b012b8e073d63a336ecb91b42c4ed8dee9204d34a8f031b19c09b2cd073f"},"schema_version":"1.0","source":{"id":"2412.12405","kind":"arxiv","version":2}},"canonical_sha256":"d5ad5f2361009aa6f42292838aa15225b93e3e99349917ee5acefae41f739180","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d5ad5f2361009aa6f42292838aa15225b93e3e99349917ee5acefae41f739180","first_computed_at":"2026-07-05T11:13:17.097558Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:13:17.097558Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DcqyFh7rkrpGZJaST3hq20TfBhh0oaZ/Y1q6bNp0P/UHHHlp2Rgz3iFTA0lnJwyzuV6b2ycOQyQyYHLfdZVACg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:13:17.098071Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.12405","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0fc9a5a6c8be538f58a8f9afb92e851d262df27839e23a5416591e7b1c69c2cb","sha256:fb941626e9237d906329b31718c0a84e11dfe859cde4a3aee5197270f65f17ad"],"state_sha256":"19ed1341e9a95daf80eb4608a43a9ff5c866154738622e32aff52b65be68ca33"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xLK8980SY1DwNIjFxkk397Sb9DTB7mwnNLK5KNqFhUU9oAhvPmi52NAGnOcFubqbFqIq9ozPV9gnQ4/XV7+FCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T03:56:30.455955Z","bundle_sha256":"6b046056e6bbfa1982de4f961033dfdb8a35bed56eb7d9924dc9c3b0b0ce0dfc"}}