{ "version": 1, "arms": [ { "name": "grpo_gs8", "restore_count": 1, "optimizer_checks": [ { "after_restore": 0, "source": "declared", "actual": null, "actual_config": null, "requested": "adamw", "requested_config": { "lr": 4e-05, "beta1": 0.9, "beta2": 0.95, "eps": 1e-08 }, "before_next_update": true, "reason": "Shared Spindle accepts adam_params; no concrete active optimizer/config response." }, { "after_restore": 1, "source": "declared", "actual": null, "actual_config": null, "requested": "adamw", "requested_config": { "lr": 4e-05, "beta1": 0.9, "beta2": 0.95, "eps": 1e-08 }, "before_next_update": true, "reason": "Shared Spindle accepts adam_params; no concrete active optimizer/config response." } ], "restores": [ { "requested": "tinker://337d1e6ad746cc57412bd1332d4d628b/weights/rx-gs1-init-run_bf5c66cfd2", "with_optimizer": false, "response": { "path": "tinker://337d1e6ad746cc57412bd1332d4d628b/weights/rx-gs1-init-run_bf5c66cfd2", "type": "load_weights" }, "checkpoint_step": 0 } ], "initialization": { "base_checkpoint": "Qwen/Qwen3.5-2B", "checkpoint_uri": "tinker://337d1e6ad746cc57412bd1332d4d628b/weights/rx-gs1-init-run_bf5c66cfd2", "loaded_checkpoint_uri": "tinker://337d1e6ad746cc57412bd1332d4d628b/weights/rx-gs1-init-run_bf5c66cfd2", "load_succeeded": true, "checkpoint_immutable": true, "checkpoint_scope": "full_initialization", "source": "server_response", "evidence_ref": "full/grpo_gs8/initialization.json", "before_first_update": true }, "initial_output": { "available": true, "batch_sha256": "596b067ddecbb2799e6e69355b760f731ca9190aa54da8d4ebe58513cbd641c0", "output_sha256": "1aac3a4e6b860c2c3fc749f257e9e107176d10aa1c51bd7fd8aca6e0eed4a1b0", "before_first_update": true, "evidence_ref": "full/grpo_gs8/initial-forward.json" } }, { "name": "gs1_kernel", "restore_count": 1, "optimizer_checks": [ { "after_restore": 0, "source": "declared", "actual": null, "actual_config": null, "requested": "adamw", "requested_config": { "lr": 4e-05, "beta1": 0.9, "beta2": 0.95, "eps": 1e-08 }, "before_next_update": true, "reason": "Shared Spindle accepts adam_params; no concrete active optimizer/config response." }, { "after_restore": 1, "source": "declared", "actual": null, "actual_config": null, "requested": "adamw", "requested_config": { "lr": 4e-05, "beta1": 0.9, "beta2": 0.95, "eps": 1e-08 }, "before_next_update": true, "reason": "Shared Spindle accepts adam_params; no concrete active optimizer/config response." } ], "restores": [ { "requested": "tinker://337d1e6ad746cc57412bd1332d4d628b/weights/rx-gs1-init-run_bf5c66cfd2", "with_optimizer": false, "response": { "path": "tinker://337d1e6ad746cc57412bd1332d4d628b/weights/rx-gs1-init-run_bf5c66cfd2", "type": "load_weights" }, "checkpoint_step": 0 } ], "initialization": { "base_checkpoint": "Qwen/Qwen3.5-2B", "checkpoint_uri": "tinker://337d1e6ad746cc57412bd1332d4d628b/weights/rx-gs1-init-run_bf5c66cfd2", "loaded_checkpoint_uri": "tinker://337d1e6ad746cc57412bd1332d4d628b/weights/rx-gs1-init-run_bf5c66cfd2", "load_succeeded": true, "checkpoint_immutable": true, "checkpoint_scope": "full_initialization", "source": "server_response", "evidence_ref": "full/gs1_kernel/initialization.json", "before_first_update": true }, "initial_output": { "available": true, "batch_sha256": "596b067ddecbb2799e6e69355b760f731ca9190aa54da8d4ebe58513cbd641c0", "output_sha256": "1aac3a4e6b860c2c3fc749f257e9e107176d10aa1c51bd7fd8aca6e0eed4a1b0", "before_first_update": true, "evidence_ref": "full/gs1_kernel/initial-forward.json" } } ] }