{ "version": 1, "arms": [ { "name": "grpo_gs8", "restore_count": 1, "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": "init-save-response.json;grpo_gs8-server-responses.json", "before_first_update": true }, "optimizer_checks": [ { "source": "declared", "actual": null, "actual_config": null, "requested": "adamw", "requested_config": { "lr": 4e-05, "beta1": 0.9, "beta2": 0.95, "eps": 1e-08 }, "evidence_ref": "grpo_gs8-server-responses.json", "before_next_update": true, "reason": "get_info/load do not inspect the concrete active optimizer; SDK GetInfoResponse supplies an adamw default even when omitted by server. Raw response fields serialized with exclude_unset=True.", "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 }, "evidence_ref": "grpo_gs8-server-responses.json", "before_next_update": true, "reason": "get_info/load do not inspect the concrete active optimizer; SDK GetInfoResponse supplies an adamw default even when omitted by server. Raw response fields serialized with exclude_unset=True.", "after_restore": 1 } ], "initial_output": { "available": true, "batch_sha256": "596b067ddecbb2799e6e69355b760f731ca9190aa54da8d4ebe58513cbd641c0", "output_sha256": "1aac3a4e6b860c2c3fc749f257e9e107176d10aa1c51bd7fd8aca6e0eed4a1b0", "before_first_update": true, "evidence_ref": "initial-batch-tokens.json;grpo_gs8-server-responses.json" } }, { "name": "gs1_kernel", "restore_count": 1, "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": "init-save-response.json;gs1_kernel-server-responses.json", "before_first_update": true }, "optimizer_checks": [ { "source": "declared", "actual": null, "actual_config": null, "requested": "adamw", "requested_config": { "lr": 4e-05, "beta1": 0.9, "beta2": 0.95, "eps": 1e-08 }, "evidence_ref": "gs1_kernel-server-responses.json", "before_next_update": true, "reason": "get_info/load do not inspect the concrete active optimizer; SDK GetInfoResponse supplies an adamw default even when omitted by server. Raw response fields serialized with exclude_unset=True.", "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 }, "evidence_ref": "gs1_kernel-server-responses.json", "before_next_update": true, "reason": "get_info/load do not inspect the concrete active optimizer; SDK GetInfoResponse supplies an adamw default even when omitted by server. Raw response fields serialized with exclude_unset=True.", "after_restore": 1 } ], "initial_output": { "available": true, "batch_sha256": "596b067ddecbb2799e6e69355b760f731ca9190aa54da8d4ebe58513cbd641c0", "output_sha256": "1aac3a4e6b860c2c3fc749f257e9e107176d10aa1c51bd7fd8aca6e0eed4a1b0", "before_first_update": true, "evidence_ref": "initial-batch-tokens.json;gs1_kernel-server-responses.json" } } ], "initialization_protocol_override": { "reason": "Authorized after Miles rejected per-model seed=0; seed-rejection.log", "per_model_seed_kwarg": "omitted", "data_shuffle_seed": 0, "protocol": "one never-updated init save_state checkpoint; both arms explicitly load_state that checkpoint" }, "paired_outputs": { "equal": true, "max_abs_diff": 0.0, "batch_sha256": "596b067ddecbb2799e6e69355b760f731ca9190aa54da8d4ebe58513cbd641c0" } }