{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:OPD6R2AG7TR6ZBOCK57HWBOLIM","short_pith_number":"pith:OPD6R2AG","canonical_record":{"source":{"id":"1511.01443","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2015-11-04T19:18:41Z","cross_cats_sorted":["cs.DC","stat.ML"],"title_canon_sha256":"dcfaa9b869c2622f6c581393185944ced9dc4171f55a90013cbeeb21e24d6091","abstract_canon_sha256":"30e48fab12fd412fe0c9ed0d076814f2202fa25c995de416e310850917f6d3ea"},"schema_version":"1.0"},"canonical_sha256":"73c7e8e806fce3ec85c2577e7b05cb431ceffe989a50716b9dcd2f953d7f1865","source":{"kind":"arxiv","id":"1511.01443","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.01443","created_at":"2026-05-18T01:27:21Z"},{"alias_kind":"arxiv_version","alias_value":"1511.01443v2","created_at":"2026-05-18T01:27:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.01443","created_at":"2026-05-18T01:27:21Z"},{"alias_kind":"pith_short_12","alias_value":"OPD6R2AG7TR6","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OPD6R2AG7TR6ZBOC","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OPD6R2AG","created_at":"2026-05-18T12:29:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:OPD6R2AG7TR6ZBOCK57HWBOLIM","target":"record","payload":{"canonical_record":{"source":{"id":"1511.01443","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2015-11-04T19:18:41Z","cross_cats_sorted":["cs.DC","stat.ML"],"title_canon_sha256":"dcfaa9b869c2622f6c581393185944ced9dc4171f55a90013cbeeb21e24d6091","abstract_canon_sha256":"30e48fab12fd412fe0c9ed0d076814f2202fa25c995de416e310850917f6d3ea"},"schema_version":"1.0"},"canonical_sha256":"73c7e8e806fce3ec85c2577e7b05cb431ceffe989a50716b9dcd2f953d7f1865","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:27:21.920790Z","signature_b64":"12fAm9ZwDLj7RxqP/gjXs5+nCtNzyG1XktI7uocPxehedxJvipg2zJDXZAzsrddqw71eHn2z641+EOl3A+cxBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"73c7e8e806fce3ec85c2577e7b05cb431ceffe989a50716b9dcd2f953d7f1865","last_reissued_at":"2026-05-18T01:27:21.920167Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:27:21.920167Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.01443","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":"2026-05-18T01:27:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WXGDCeWaD7YhfCJohnn/TuJK3mtz6X7jw7hxPCkeN1OznUL78IZt1eMmtMnETQz34oTMiTjJJCsJkC/mLDJHCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T02:14:55.554777Z"},"content_sha256":"8bab6c3ac759565a3fc4052f2513c3cd8976701aae6ca7c1bc6d96ae6a3a7347","schema_version":"1.0","event_id":"sha256:8bab6c3ac759565a3fc4052f2513c3cd8976701aae6ca7c1bc6d96ae6a3a7347"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:OPD6R2AG7TR6ZBOCK57HWBOLIM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Distributed One-Step Estimator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DC","stat.ML"],"primary_cat":"stat.ME","authors_text":"Cheng Huang, Xiaoming Huo","submitted_at":"2015-11-04T19:18:41Z","abstract_excerpt":"Distributed statistical inference has recently attracted enormous attention. Many existing work focuses on the averaging estimator. We propose a one-step approach to enhance a simple-averaging based distributed estimator. We derive the corresponding asymptotic properties of the newly proposed estimator. We find that the proposed one-step estimator enjoys the same asymptotic properties as the centralized estimator. The proposed one-step approach merely requires one additional round of communication in relative to the averaging estimator; so the extra communication burden is insignificant. In fi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.01443","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":"2026-05-18T01:27:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lzMd0yx7vcMxteAocoAkTDRKGuNg0HQDqxGRFFLo+JPzq3dShK+iCtL7MHJeA6jdH0A3Lfwac6nIu+0llD/4Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T02:14:55.555147Z"},"content_sha256":"3f93e15b518a60b5d0d7845525b645662dd5527ffee1a87370fd0992ef62434e","schema_version":"1.0","event_id":"sha256:3f93e15b518a60b5d0d7845525b645662dd5527ffee1a87370fd0992ef62434e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OPD6R2AG7TR6ZBOCK57HWBOLIM/bundle.json","state_url":"https://pith.science/pith/OPD6R2AG7TR6ZBOCK57HWBOLIM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OPD6R2AG7TR6ZBOCK57HWBOLIM/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":"2026-05-28T02:14:55Z","links":{"resolver":"https://pith.science/pith/OPD6R2AG7TR6ZBOCK57HWBOLIM","bundle":"https://pith.science/pith/OPD6R2AG7TR6ZBOCK57HWBOLIM/bundle.json","state":"https://pith.science/pith/OPD6R2AG7TR6ZBOCK57HWBOLIM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OPD6R2AG7TR6ZBOCK57HWBOLIM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:OPD6R2AG7TR6ZBOCK57HWBOLIM","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":"30e48fab12fd412fe0c9ed0d076814f2202fa25c995de416e310850917f6d3ea","cross_cats_sorted":["cs.DC","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2015-11-04T19:18:41Z","title_canon_sha256":"dcfaa9b869c2622f6c581393185944ced9dc4171f55a90013cbeeb21e24d6091"},"schema_version":"1.0","source":{"id":"1511.01443","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.01443","created_at":"2026-05-18T01:27:21Z"},{"alias_kind":"arxiv_version","alias_value":"1511.01443v2","created_at":"2026-05-18T01:27:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.01443","created_at":"2026-05-18T01:27:21Z"},{"alias_kind":"pith_short_12","alias_value":"OPD6R2AG7TR6","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OPD6R2AG7TR6ZBOC","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OPD6R2AG","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:3f93e15b518a60b5d0d7845525b645662dd5527ffee1a87370fd0992ef62434e","target":"graph","created_at":"2026-05-18T01:27:21Z","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":"Distributed statistical inference has recently attracted enormous attention. Many existing work focuses on the averaging estimator. We propose a one-step approach to enhance a simple-averaging based distributed estimator. We derive the corresponding asymptotic properties of the newly proposed estimator. We find that the proposed one-step estimator enjoys the same asymptotic properties as the centralized estimator. The proposed one-step approach merely requires one additional round of communication in relative to the averaging estimator; so the extra communication burden is insignificant. In fi","authors_text":"Cheng Huang, Xiaoming Huo","cross_cats":["cs.DC","stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2015-11-04T19:18:41Z","title":"A Distributed One-Step Estimator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.01443","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":"sha256:8bab6c3ac759565a3fc4052f2513c3cd8976701aae6ca7c1bc6d96ae6a3a7347","target":"record","created_at":"2026-05-18T01:27:21Z","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":"30e48fab12fd412fe0c9ed0d076814f2202fa25c995de416e310850917f6d3ea","cross_cats_sorted":["cs.DC","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2015-11-04T19:18:41Z","title_canon_sha256":"dcfaa9b869c2622f6c581393185944ced9dc4171f55a90013cbeeb21e24d6091"},"schema_version":"1.0","source":{"id":"1511.01443","kind":"arxiv","version":2}},"canonical_sha256":"73c7e8e806fce3ec85c2577e7b05cb431ceffe989a50716b9dcd2f953d7f1865","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"73c7e8e806fce3ec85c2577e7b05cb431ceffe989a50716b9dcd2f953d7f1865","first_computed_at":"2026-05-18T01:27:21.920167Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:27:21.920167Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"12fAm9ZwDLj7RxqP/gjXs5+nCtNzyG1XktI7uocPxehedxJvipg2zJDXZAzsrddqw71eHn2z641+EOl3A+cxBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:27:21.920790Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.01443","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8bab6c3ac759565a3fc4052f2513c3cd8976701aae6ca7c1bc6d96ae6a3a7347","sha256:3f93e15b518a60b5d0d7845525b645662dd5527ffee1a87370fd0992ef62434e"],"state_sha256":"7032dbc90b08c211e6b11dd77c1de692ab3c92499e9721b49d401d65f4cdcba0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q70E1yc3VKLTuUrfhEVc3LMV4+xee2NZj3Uw2zwlyx0NJo2l9VG8jqqgpEhXNRr/I4a6vddHl1BEjtLvGjq3Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T02:14:55.557157Z","bundle_sha256":"3a5386607c5209f8d8b31955dc70137d43b4f6586c24f8a4c8da89be29eaac89"}}