Model and training identity
- Base:
Qwen/Qwen3-1.7B@70d244cc86ccca08cf5af4e1e306ecf908b1ad5e
- Parent V7.2 adapter SHA-256:
a534d27bcbf3b09ca7cb518e995b4852db27e79535ce9c4f29cfb6828fe22654
- Training: one BF16 continuation epoch, learning rate
3e-5, batch 1, gradient accumulation 16,
maximum sequence length 3,072, seed 74,007
- Optimizer train/validation rows: 3,923 / 300
- Train loss: 0.7039785876
- Validation loss: 1.2190761566
- Deployment-prompt SHA-256:
a9e36d5c7bca98c986fea8909c9e53ff366d4c46810e220fab2910490a822970
- Formula Core catalog SHA-256:
545e6a7696e40d7567aa82ad8a62b6d5c34272456e6df8ea5f46c6ef4170353f
- Merged
model.safetensors SHA-256:
518a646d9c0e9ff22db39c3c831e1757a5f73e2cff2b1600597cfe6467913b9d
V1 development evaluation
The tuned-only run evaluated 319 numeric rows and 68 behavioral rows. It was not a V2 confirmation
and made no base- or frontier-superiority claim.
Table with columns: Gate, Result, Requirement, Status| Gate | Result | Requirement | Status |
|---|
| Numeric headline | 293/319 = 91.85% | >=85% | PASS |
| Numeric CI lower bound | 88.71% | >=80% | PASS |
| Correct canonical tool | 293/319 = 91.85% | >=90% | PASS |
| Arguments valid | 313/319 = 98.12% | >=85% | PASS |
The weakest strict numeric families were measurements (16/24) and enclosures (26/36). The 26
numeric misses selected the wrong canonical tool and dropped, swapped, or invented inputs; they are
not safe to repair in a compiler.
Intended use
- Research and development of a tool-routed tutor for physical audio-system engineering.
- Explanations of audio concepts where the
explain route is appropriate.
- Development testing with the matching V7.4 prompt, canonical catalog, schema validator, and
Formula Core executor.
Do not represent this checkpoint as a production audio-design authority. Do not use it for
safety-critical electrical work, and do not trust final crossover, response, impedance, polar, or
sound-quality claims without physical measurement.
Limitations
- V7.4 failed three substantive V1 release gates and is intentionally labeled as development-only.
- The merged model does not bundle the Formula Core application layer.
- It may confuse closely related tools and invent missing arguments.
- It may explain a measurement boundary correctly while selecting the wrong first-line route.
- V2 is sealed; there is no confirmation result.
- No claim of superiority over Claude or another frontier model is made here.
License
The merged V7.4 checkpoint is published under the Apache License 2.0, consistent with the upstream
Qwen/Qwen3-1.7B license. Preserve applicable upstream attribution and notices. The license does
not convert this failed-gate development checkpoint into a production release or engineering
certification.