{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:QDS52A3CGDGUFVF3A3FN6V4VYB","short_pith_number":"pith:QDS52A3C","canonical_record":{"source":{"id":"1910.02543","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-10-06T22:31:37Z","cross_cats_sorted":[],"title_canon_sha256":"da0b098b080f52f31e1851d8c46757fa5a7a9fa390b19e3eac68bf2dcf9c2d2a","abstract_canon_sha256":"3388c3f86f9449c9613749bd87c514c579ff9e0540122432bebc855f403165f0"},"schema_version":"1.0"},"canonical_sha256":"80e5dd036230cd42d4bb06cadf5795c0541a1b3146ffe8d73eb1e4bbd48c3118","source":{"kind":"arxiv","id":"1910.02543","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.02543","created_at":"2026-07-05T00:10:09Z"},{"alias_kind":"arxiv_version","alias_value":"1910.02543v1","created_at":"2026-07-05T00:10:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.02543","created_at":"2026-07-05T00:10:09Z"},{"alias_kind":"pith_short_12","alias_value":"QDS52A3CGDGU","created_at":"2026-07-05T00:10:09Z"},{"alias_kind":"pith_short_16","alias_value":"QDS52A3CGDGUFVF3","created_at":"2026-07-05T00:10:09Z"},{"alias_kind":"pith_short_8","alias_value":"QDS52A3C","created_at":"2026-07-05T00:10:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:QDS52A3CGDGUFVF3A3FN6V4VYB","target":"record","payload":{"canonical_record":{"source":{"id":"1910.02543","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-10-06T22:31:37Z","cross_cats_sorted":[],"title_canon_sha256":"da0b098b080f52f31e1851d8c46757fa5a7a9fa390b19e3eac68bf2dcf9c2d2a","abstract_canon_sha256":"3388c3f86f9449c9613749bd87c514c579ff9e0540122432bebc855f403165f0"},"schema_version":"1.0"},"canonical_sha256":"80e5dd036230cd42d4bb06cadf5795c0541a1b3146ffe8d73eb1e4bbd48c3118","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:10:09.280513Z","signature_b64":"/AOAG6Hks2u40A8y2M22Vd1DsCXs/qqIB2M0q4Fltjd8ds4U9fBRsr1OPYcjE5qHHz0DbmGOB1cxFHQms6sTAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"80e5dd036230cd42d4bb06cadf5795c0541a1b3146ffe8d73eb1e4bbd48c3118","last_reissued_at":"2026-07-05T00:10:09.279854Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:10:09.279854Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1910.02543","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":"2026-07-05T00:10:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nc4jkHDZKJhuzPkKaz/CEcBYG2J6gnhRKeDk09y10vD6dMajzVWRU0G4L07SS3szKRxPcSQ6iGci/1y7/v1uDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T20:08:52.022873Z"},"content_sha256":"86de915e84807b34d0e1166c4df0f6a57f2cc926c9c2534f948369399e62b13b","schema_version":"1.0","event_id":"sha256:86de915e84807b34d0e1166c4df0f6a57f2cc926c9c2534f948369399e62b13b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:QDS52A3CGDGUFVF3A3FN6V4VYB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Improving One-shot NAS by Suppressing the Posterior Fading","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chen Lin, Chuming Li, Junjie Yan, Ming Sun, Wanli Ouyang, Wei Wu, Xiang Li","submitted_at":"2019-10-06T22:31:37Z","abstract_excerpt":"There is a growing interest in automated neural architecture search (NAS). To improve the efficiency of NAS, previous approaches adopt weight sharing method to force all models share the same set of weights. However, it has been observed that a model performing better with shared weights does not necessarily perform better when trained alone. In this paper, we analyse existing weight sharing one-shot NAS approaches from a Bayesian point of view and identify the posterior fading problem, which compromises the effectiveness of shared weights. To alleviate this problem, we present a practical app"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.02543","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1910.02543/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":"2026-07-05T00:10:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bUraA+EAldlYlMH6L0qWDAIe5xBHyUeSVfWZURzCHTRhPse99YbNymOU6oO962434ONwZKbB2jYTYQG2nmm7AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T20:08:52.023373Z"},"content_sha256":"a74692254500b7c9273d4ac4ea89b1da084417ead7d5b3b9c839acaaceee83c4","schema_version":"1.0","event_id":"sha256:a74692254500b7c9273d4ac4ea89b1da084417ead7d5b3b9c839acaaceee83c4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QDS52A3CGDGUFVF3A3FN6V4VYB/bundle.json","state_url":"https://pith.science/pith/QDS52A3CGDGUFVF3A3FN6V4VYB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QDS52A3CGDGUFVF3A3FN6V4VYB/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":"2026-08-06T20:08:52Z","links":{"resolver":"https://pith.science/pith/QDS52A3CGDGUFVF3A3FN6V4VYB","bundle":"https://pith.science/pith/QDS52A3CGDGUFVF3A3FN6V4VYB/bundle.json","state":"https://pith.science/pith/QDS52A3CGDGUFVF3A3FN6V4VYB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QDS52A3CGDGUFVF3A3FN6V4VYB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:QDS52A3CGDGUFVF3A3FN6V4VYB","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":"3388c3f86f9449c9613749bd87c514c579ff9e0540122432bebc855f403165f0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-10-06T22:31:37Z","title_canon_sha256":"da0b098b080f52f31e1851d8c46757fa5a7a9fa390b19e3eac68bf2dcf9c2d2a"},"schema_version":"1.0","source":{"id":"1910.02543","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.02543","created_at":"2026-07-05T00:10:09Z"},{"alias_kind":"arxiv_version","alias_value":"1910.02543v1","created_at":"2026-07-05T00:10:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.02543","created_at":"2026-07-05T00:10:09Z"},{"alias_kind":"pith_short_12","alias_value":"QDS52A3CGDGU","created_at":"2026-07-05T00:10:09Z"},{"alias_kind":"pith_short_16","alias_value":"QDS52A3CGDGUFVF3","created_at":"2026-07-05T00:10:09Z"},{"alias_kind":"pith_short_8","alias_value":"QDS52A3C","created_at":"2026-07-05T00:10:09Z"}],"graph_snapshots":[{"event_id":"sha256:a74692254500b7c9273d4ac4ea89b1da084417ead7d5b3b9c839acaaceee83c4","target":"graph","created_at":"2026-07-05T00:10:09Z","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/1910.02543/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"There is a growing interest in automated neural architecture search (NAS). To improve the efficiency of NAS, previous approaches adopt weight sharing method to force all models share the same set of weights. However, it has been observed that a model performing better with shared weights does not necessarily perform better when trained alone. In this paper, we analyse existing weight sharing one-shot NAS approaches from a Bayesian point of view and identify the posterior fading problem, which compromises the effectiveness of shared weights. To alleviate this problem, we present a practical app","authors_text":"Chen Lin, Chuming Li, Junjie Yan, Ming Sun, Wanli Ouyang, Wei Wu, Xiang Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-10-06T22:31:37Z","title":"Improving One-shot NAS by Suppressing the Posterior Fading"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.02543","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":"sha256:86de915e84807b34d0e1166c4df0f6a57f2cc926c9c2534f948369399e62b13b","target":"record","created_at":"2026-07-05T00:10:09Z","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":"3388c3f86f9449c9613749bd87c514c579ff9e0540122432bebc855f403165f0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-10-06T22:31:37Z","title_canon_sha256":"da0b098b080f52f31e1851d8c46757fa5a7a9fa390b19e3eac68bf2dcf9c2d2a"},"schema_version":"1.0","source":{"id":"1910.02543","kind":"arxiv","version":1}},"canonical_sha256":"80e5dd036230cd42d4bb06cadf5795c0541a1b3146ffe8d73eb1e4bbd48c3118","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"80e5dd036230cd42d4bb06cadf5795c0541a1b3146ffe8d73eb1e4bbd48c3118","first_computed_at":"2026-07-05T00:10:09.279854Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:10:09.279854Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/AOAG6Hks2u40A8y2M22Vd1DsCXs/qqIB2M0q4Fltjd8ds4U9fBRsr1OPYcjE5qHHz0DbmGOB1cxFHQms6sTAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:10:09.280513Z","signed_message":"canonical_sha256_bytes"},"source_id":"1910.02543","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:86de915e84807b34d0e1166c4df0f6a57f2cc926c9c2534f948369399e62b13b","sha256:a74692254500b7c9273d4ac4ea89b1da084417ead7d5b3b9c839acaaceee83c4"],"state_sha256":"cf7f60234b8a432dae447658b572d46067abcef9d6f6793b596d67775e52d304"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"31Obt4BUBa+3EfPUTluurFd/yjxyFQxHUt+nKIm60L0wOITSAlhuVL3tGSuaUdLdkUKsFEsm7rF7AyVHiq65Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T20:08:52.027382Z","bundle_sha256":"61adb1bcb7bdb98c4d290067979e2d56f255698980f15a0a38c1c9e8cf9ca3f9"}}