{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:LUXVXCBKYEAIZMBCFBTGUXWG5F","short_pith_number":"pith:LUXVXCBK","canonical_record":{"source":{"id":"1312.0154","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2013-11-30T21:27:06Z","cross_cats_sorted":[],"title_canon_sha256":"edfe7e5a242840023650a89fe2f522dac612eef80dda2ad00ae0e08f3c37f9b0","abstract_canon_sha256":"7d5b7bd52f43acd9693c4f8127697ea94686043ba789d6f173adf002854aec2b"},"schema_version":"1.0"},"canonical_sha256":"5d2f5b882ac1008cb02228666a5ec6e946db9944a4920025a8117d9542768494","source":{"kind":"arxiv","id":"1312.0154","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.0154","created_at":"2026-05-18T03:05:46Z"},{"alias_kind":"arxiv_version","alias_value":"1312.0154v1","created_at":"2026-05-18T03:05:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.0154","created_at":"2026-05-18T03:05:46Z"},{"alias_kind":"pith_short_12","alias_value":"LUXVXCBKYEAI","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"LUXVXCBKYEAIZMBC","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"LUXVXCBK","created_at":"2026-05-18T12:27:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:LUXVXCBKYEAIZMBCFBTGUXWG5F","target":"record","payload":{"canonical_record":{"source":{"id":"1312.0154","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2013-11-30T21:27:06Z","cross_cats_sorted":[],"title_canon_sha256":"edfe7e5a242840023650a89fe2f522dac612eef80dda2ad00ae0e08f3c37f9b0","abstract_canon_sha256":"7d5b7bd52f43acd9693c4f8127697ea94686043ba789d6f173adf002854aec2b"},"schema_version":"1.0"},"canonical_sha256":"5d2f5b882ac1008cb02228666a5ec6e946db9944a4920025a8117d9542768494","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:05:46.591908Z","signature_b64":"kNMusFcgs4e+nXQNB5VkM5z59P/iOQn4rAZdyanRhnP+0EealjUWq+Hi2xaz4yh+wT/gsuCZ6kY216wbf2C/AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5d2f5b882ac1008cb02228666a5ec6e946db9944a4920025a8117d9542768494","last_reissued_at":"2026-05-18T03:05:46.591309Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:05:46.591309Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.0154","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:05:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kBvHb7UfqU755JPRWTIDJxisi2EO72jB2ZfM2VKlyN5HSixzBh0aRzsV6kSWXtfL8S7nunT+RTY7UQRUQ1WlDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T20:16:17.235339Z"},"content_sha256":"038906d810d81a583abb019c4bca7b2fce4f7e5f4f1f913938e5a9a9ba27dae3","schema_version":"1.0","event_id":"sha256:038906d810d81a583abb019c4bca7b2fce4f7e5f4f1f913938e5a9a9ba27dae3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:LUXVXCBKYEAIZMBCFBTGUXWG5F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Propagation-Separation Approach: Consequences of model misspecification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"stat.ME","authors_text":"Saskia Becker","submitted_at":"2013-11-30T21:27:06Z","abstract_excerpt":"The article presents new results on the Propagation-Separation Approach by Polzehl and Spokoiny [2006]. This iterative procedure provides a unified approach for nonparametric estimation, sup- posing a local parametric model. The adaptivity of the estimator ensures sensitivity to structural changes. Originally, an additional memory step was included into the algorithm, where most of the theoretical prop- erties were based on. However, in practice, a simplified version of the algorithm is used, where the mem- ory step is omitted. Hence, we aim to justify this simplified procedure by means of a t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.0154","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:05:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7FnqEMfKshXRK2iAK02ZePlJiSrpmVTk2zbDkzZHuvTHSDaZLvWJyZ23i/TAOiz/3XoKsRPL5ijUFAc9pMa0BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T20:16:17.235692Z"},"content_sha256":"5a9e5d882d211707c668a0265efb47003fec0b3975b4ee72117e0e2e2d82b2c5","schema_version":"1.0","event_id":"sha256:5a9e5d882d211707c668a0265efb47003fec0b3975b4ee72117e0e2e2d82b2c5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LUXVXCBKYEAIZMBCFBTGUXWG5F/bundle.json","state_url":"https://pith.science/pith/LUXVXCBKYEAIZMBCFBTGUXWG5F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LUXVXCBKYEAIZMBCFBTGUXWG5F/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":"2026-06-20T20:16:17Z","links":{"resolver":"https://pith.science/pith/LUXVXCBKYEAIZMBCFBTGUXWG5F","bundle":"https://pith.science/pith/LUXVXCBKYEAIZMBCFBTGUXWG5F/bundle.json","state":"https://pith.science/pith/LUXVXCBKYEAIZMBCFBTGUXWG5F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LUXVXCBKYEAIZMBCFBTGUXWG5F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:LUXVXCBKYEAIZMBCFBTGUXWG5F","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":"7d5b7bd52f43acd9693c4f8127697ea94686043ba789d6f173adf002854aec2b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2013-11-30T21:27:06Z","title_canon_sha256":"edfe7e5a242840023650a89fe2f522dac612eef80dda2ad00ae0e08f3c37f9b0"},"schema_version":"1.0","source":{"id":"1312.0154","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.0154","created_at":"2026-05-18T03:05:46Z"},{"alias_kind":"arxiv_version","alias_value":"1312.0154v1","created_at":"2026-05-18T03:05:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.0154","created_at":"2026-05-18T03:05:46Z"},{"alias_kind":"pith_short_12","alias_value":"LUXVXCBKYEAI","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"LUXVXCBKYEAIZMBC","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"LUXVXCBK","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:5a9e5d882d211707c668a0265efb47003fec0b3975b4ee72117e0e2e2d82b2c5","target":"graph","created_at":"2026-05-18T03:05:46Z","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 article presents new results on the Propagation-Separation Approach by Polzehl and Spokoiny [2006]. This iterative procedure provides a unified approach for nonparametric estimation, sup- posing a local parametric model. The adaptivity of the estimator ensures sensitivity to structural changes. Originally, an additional memory step was included into the algorithm, where most of the theoretical prop- erties were based on. However, in practice, a simplified version of the algorithm is used, where the mem- ory step is omitted. Hence, we aim to justify this simplified procedure by means of a t","authors_text":"Saskia Becker","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2013-11-30T21:27:06Z","title":"The Propagation-Separation Approach: Consequences of model misspecification"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.0154","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":"sha256:038906d810d81a583abb019c4bca7b2fce4f7e5f4f1f913938e5a9a9ba27dae3","target":"record","created_at":"2026-05-18T03:05:46Z","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":"7d5b7bd52f43acd9693c4f8127697ea94686043ba789d6f173adf002854aec2b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2013-11-30T21:27:06Z","title_canon_sha256":"edfe7e5a242840023650a89fe2f522dac612eef80dda2ad00ae0e08f3c37f9b0"},"schema_version":"1.0","source":{"id":"1312.0154","kind":"arxiv","version":1}},"canonical_sha256":"5d2f5b882ac1008cb02228666a5ec6e946db9944a4920025a8117d9542768494","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5d2f5b882ac1008cb02228666a5ec6e946db9944a4920025a8117d9542768494","first_computed_at":"2026-05-18T03:05:46.591309Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:05:46.591309Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kNMusFcgs4e+nXQNB5VkM5z59P/iOQn4rAZdyanRhnP+0EealjUWq+Hi2xaz4yh+wT/gsuCZ6kY216wbf2C/AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:05:46.591908Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.0154","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:038906d810d81a583abb019c4bca7b2fce4f7e5f4f1f913938e5a9a9ba27dae3","sha256:5a9e5d882d211707c668a0265efb47003fec0b3975b4ee72117e0e2e2d82b2c5"],"state_sha256":"0170f2481028ad8d3d217317b145d05ee1186f845ce793bcac99824999d54ba6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6tPvO0Tio85APfxA2QDwUY1504W+JRbvKNTNeD/hWTlp4qas22vKex7zpUVgEsJeJh+91dPWjOjl4hVZMs2oCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T20:16:17.237693Z","bundle_sha256":"579681114474d8e56641fc2aeff1190d4c9beab416798bc30f2c330050f12086"}}