{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:QK7O2FXSTZLINDQ5AUTNSOIF2U","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":"f03157944cc04e390b75f6a1988d064627d9a22f77c6ad3a6b304ecc131ec4c4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-10-13T12:28:48Z","title_canon_sha256":"0da257f7246cff054fef6a2ef3a6c27f18c5e327677a77a68898aa03692d044d"},"schema_version":"1.0","source":{"id":"2210.06954","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.06954","created_at":"2026-07-05T05:06:22Z"},{"alias_kind":"arxiv_version","alias_value":"2210.06954v1","created_at":"2026-07-05T05:06:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.06954","created_at":"2026-07-05T05:06:22Z"},{"alias_kind":"pith_short_12","alias_value":"QK7O2FXSTZLI","created_at":"2026-07-05T05:06:22Z"},{"alias_kind":"pith_short_16","alias_value":"QK7O2FXSTZLINDQ5","created_at":"2026-07-05T05:06:22Z"},{"alias_kind":"pith_short_8","alias_value":"QK7O2FXS","created_at":"2026-07-05T05:06:22Z"}],"graph_snapshots":[{"event_id":"sha256:551153b4bb7d412bb268743d3676707d2dbd1c496a25d375cba10136fc716913","target":"graph","created_at":"2026-07-05T05:06:22Z","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/2210.06954/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The traditional model upgrading paradigm for retrieval requires recomputing all gallery embeddings before deploying the new model (dubbed as \"backfilling\"), which is quite expensive and time-consuming considering billions of instances in industrial applications. BCT presents the first step towards backward-compatible model upgrades to get rid of backfilling. It is workable but leaves the new model in a dilemma between new feature discriminativeness and new-to-old compatibility due to the undifferentiated compatibility constraints. In this work, we propose Darwinian Model Upgrades (DMU), which ","authors_text":"Binjie Zhang, Chun Yuan, Mike Zheng Shou, Shupeng Su, Xuyuan Xu, Yexin Wang, Ying Shan, Yixiao Ge","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-10-13T12:28:48Z","title":"Darwinian Model Upgrades: Model Evolving with Selective Compatibility"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.06954","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":"sha256:9d00084bbd7a2c91613ec870d4de11e10ed28c7ffbb76e699eb099d97cfa59b8","target":"record","created_at":"2026-07-05T05:06:22Z","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":"f03157944cc04e390b75f6a1988d064627d9a22f77c6ad3a6b304ecc131ec4c4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-10-13T12:28:48Z","title_canon_sha256":"0da257f7246cff054fef6a2ef3a6c27f18c5e327677a77a68898aa03692d044d"},"schema_version":"1.0","source":{"id":"2210.06954","kind":"arxiv","version":1}},"canonical_sha256":"82beed16f29e56868e1d0526d93905d52263b882ba2837b1ac3d0b6ddc2a4069","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"82beed16f29e56868e1d0526d93905d52263b882ba2837b1ac3d0b6ddc2a4069","first_computed_at":"2026-07-05T05:06:22.766934Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:06:22.766934Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3eZokWsOK9IOF26Mf7/hzPFCieazePedoUAKJMbFPjPoIUvIM/NcFsmLiVBOEkOUB1WVX61a5whU9JDdIZvJDg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:06:22.767416Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.06954","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9d00084bbd7a2c91613ec870d4de11e10ed28c7ffbb76e699eb099d97cfa59b8","sha256:551153b4bb7d412bb268743d3676707d2dbd1c496a25d375cba10136fc716913"],"state_sha256":"9b4e6af45e313c373b34032c33e6ed3e65b0f97be2a2d22d7ac4557e12a8b003"}