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Ren", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "formulator" ], "source": { "citation": "Driess et al.: gradient-insulated continuous-action experts — original technical report", "url": "https://www.pi.website/download/pi05_KI.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "Homer Walke", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "formulator" ], "source": { "citation": "Driess et al.: gradient-insulated continuous-action experts — original technical report", "url": "https://www.pi.website/download/pi05_KI.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "Quan Vuong", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "formulator" ], "source": { "citation": "Driess et al.: gradient-insulated continuous-action experts — original technical report", "url": "https://www.pi.website/download/pi05_KI.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "Lucy Xiaoyang Shi", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "formulator" ], "source": { "citation": "Driess et al.: gradient-insulated continuous-action experts — original technical report", "url": "https://www.pi.website/download/pi05_KI.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "Sergey Levine", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "formulator" ], "source": { "citation": "Driess et al.: gradient-insulated continuous-action experts — original technical report", "url": "https://www.pi.website/download/pi05_KI.pdf" } } ], "evidence": [ { "description": "Bibliographic/stated-result source; not a WRS proof verification", "id": "source-0", "kind": "source_reference", "source": { "citation": "Driess et al.: gradient-insulated continuous-action experts — original technical report", "url": "https://www.pi.website/download/pi05_KI.pdf" } }, { "description": "Bibliographic/stated-result source; not a WRS proof verification", "id": "source-1", "kind": "source_reference", "source": { "citation": "Driess et al.: gradient-insulated continuous-action experts — institutional account", "url": "https://www.pi.website/research/knowledge_insulation" } } ], "origin": "HUMAN_LEGACY", "record_profile": "wrs-local-research-notes-0.1", "record_type": "research_note", "rrp_version": "0.1", "scope": { "description": "Stop-gradient, discrete action tokens and flow-action experts are inherited. Insulation is a specific training recipe, not guaranteed preservation of every pretrained fact or capability. pi0/pi0.5 system records do not separately own this original method.", "domain": "Vision-language-action transfer training" }, "sources": [ { "citation": "Driess et al.: gradient-insulated continuous-action experts — original technical report", "url": "https://www.pi.website/download/pi05_KI.pdf" }, { "citation": "Driess et al.: gradient-insulated continuous-action experts — institutional account", "url": "https://www.pi.website/research/knowledge_insulation" } ], "statement": "# Driess et al.: gradient-insulated continuous-action experts\n\nTrained the vision-language backbone with discrete-action/text prediction while separately training a continuous flow-action expert, stopping the expert's gradients into the backbone to preserve useful representations.\n\n## Scientific scope\n\nStop-gradient, discrete action tokens and flow-action experts are inherited. Insulation is a specific training recipe, not guaranteed preservation of every pretrained fact or capability. pi0/pi0.5 system records do not separately own this original method.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nDanny Driess; Jost Tobias Springenberg; Brian Ichter; Lili Yu; Adrian Li-Bell; Karl Pertsch; Allen Z. Ren; Homer Walke; Quan Vuong; Lucy Xiaoyang Shi; Sergey Levine\n\nSource-listed authors or explicitly credited technical contributors for the cited versions. Family entries retain source-specific attribution; a combined list is not one original-paper byline or equal individual work. Names alone do not establish resolved identities.\n\n\n\n## Original sources\n\n- [Driess et al.: gradient-insulated continuous-action experts — original technical report](https://www.pi.website/download/pi05_KI.pdf)\n- [Driess et al.: gradient-insulated continuous-action experts — institutional account](https://www.pi.website/research/knowledge_insulation)\n", "summary": "Trained the vision-language backbone with discrete-action/text prediction while separately training a continuous flow-action expert, stopping the expert's gradients into the backbone to preserve useful representations.", "title": "Driess et al.: gradient-insulated continuous-action experts" }, "record_id": "urn:uuid:8606d30f-7c0e-46dd-a428-f00e04f64bce", "version": 1, "source_ref": { "record_id": "urn:uuid:8606d30f-7c0e-46dd-a428-f00e04f64bce", "version": 1, "content_hash": "sha256:d887b04a57d2b89fcbe70ee461fc2322b1fdef0ad5585821397b9f07144c7a9d" }, "export_view": "wrs-public-editorial-view-1", "public_view_hash": "sha256:8f178fd32e984914e099a6dd8e26338f18f466ef11777fd9926c54ffe0d5c667" }, "target": { "record_id": "urn:uuid:8606d30f-7c0e-46dd-a428-f00e04f64bce", "version": 1, "content_hash": "sha256:d887b04a57d2b89fcbe70ee461fc2322b1fdef0ad5585821397b9f07144c7a9d" }, "published_grade": { "profile": "wrs-published-grade-1", "edition": "2026-10-28.1", "id": "driess-et-al-vla-knowledge-insulation-2025", "entry_id": "driess-et-al-vla-knowledge-insulation-2025", "revision": 1, "title": "Driess et al.: gradient-insulated continuous-action experts", "context": "Vision-language-action transfer training", "track": "Human-designed research method or resource", "band": "B", "modifier": "+", "status": "PROVISIONAL_EDITORIAL", "assessed_on": "2026-10-16", "evidence_cutoff": "2026-10-16", "achievement_state": "SUPPORTED_SCOPED_RESULT", "what_changed": "Trained the vision-language backbone with discrete-action/text prediction while separately training a continuous flow-action expert, stopping the expert's gradients into the backbone to preserve useful representations.", "scope": "Trained the vision-language backbone with discrete-action/text prediction while separately training a continuous flow-action expert, stopping the expert's gradients into the backbone to preserve useful representations. Stop-gradient, discrete action tokens and flow-action experts are inherited. Insulation is a specific training recipe, not guaranteed preservation of every pretrained fact or capability. pi0/pi0.5 system records do not separately own this original method.", "evidence_summary": "The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. Stop-gradient, discrete action tokens and flow-action experts are inherited. Insulation is a specific training recipe, not guaranteed preservation of every pretrained fact or capability. pi0/pi0.5 system records do not separately own this original method.", "references": [ { "title": "Driess et al.: gradient-insulated continuous-action experts — original technical report", "url": "https://www.pi.website/download/pi05_KI.pdf", "locator": "Original contribution and stated assumptions, evaluation scope and limitations; source-linked assessment, not independent execution or proof certification." }, { "title": "Driess et al.: gradient-insulated continuous-action experts — institutional account", "url": "https://www.pi.website/research/knowledge_insulation", "locator": "Original contribution and stated assumptions, evaluation scope and limitations; source-linked assessment, not independent execution or proof certification." } ], "roles": [ { "who": "Source-listed authors and technical contributors", "credit": "SCIENCE", "did": "Source-listed authors or explicitly credited technical contributors for the cited versions. Family entries retain source-specific attribution; a combined list is not one original-paper byline or equal individual work. Names alone do not establish resolved identities." } ], "target": { "record_id": "urn:uuid:8606d30f-7c0e-46dd-a428-f00e04f64bce", "version": 1, "content_hash": "sha256:d887b04a57d2b89fcbe70ee461fc2322b1fdef0ad5585821397b9f07144c7a9d" }, "scientific_correctness_certified": false, "independent_expert_calibration": false, "method": "PROPRIETARY", "points": "70000" }, "canonical_agent_submission": false, "scientific_verification_awarded": false, "reader_guide": null, "reading_status": "SOURCE_LINKED_NOTE" }