MiganCore 0.14 — open-source Indonesian LLM (archived research model, GGUF for Ollama)

migancore:0.14 was the served model of MiganCore, a one-person research project (May–September 2026). The project tried to give a small Indonesian model one ability: knowing where its own knowledge ends, and stopping there. The project closed on 28 September 2026. These weights are published as part of its open research record.

Research use only. This model fabricates on roughly half of the questions it should decline (see Measured behaviour). Do not use it to answer factual questions.

What it is

  • Base: Qwen/Qwen3-4B-Instruct-2507 (Apache-2.0).
  • Method: two LoRA adapters (r = 16, α = 32, 2 epochs), combined with a TIES merge (density 0.5, weights 1.0 / 1.0), then quantized to GGUF Q4_K_M.
    • an arithmetic discipline adapter (285 rows);
    • a style discipline adapter (200 rows).
  • Served: 24 August – 28 September 2026, on CPU through Ollama.

Training data (485 rows)

All rows were produced by deterministic program generators. No model wrote, rewrote, or judged any training row. Numbers are computed by code and re-verified mechanically. The generator code, including its answer templates, was written with the help of an AI coding assistant.

Adapter Rows Composition
Arithmetic 285 201 basic arithmetic · 76 unit calculations · 6 canary rows · 2 rows corrected by hand
Style 200 160 refusal patterns · 30 agent-format rows · 9 seed refusals · 1 canary row

Dataset fingerprints (sha256, first 16 hex): arithmetic 8009c9553fbb1261, style b2cdfc0336aa03a4.

Measured behaviour

All numbers are pre-registered verdicts, measured on the Indonesian-first petak-jujur2 battery (36 questions) on CPU.

Condition Fabrication Over-refusal Fact accuracy Valid rounds
Plain 49.9 % 3.1 % 0.43 40
With the abstention gate 35.8 % 1.3 % 0.43 28
  • Fabrication is the share of must-abstain questions on which the model asserted made-up content.
  • Over-refusal is the share of answerable, factual questions it declined.
  • Against its own base. On 25 Sep 2026, with identical requests, this model fabricated on 53.7 % of must-abstain questions, against 14.7 % for its base. The pre-registered anti-evasion guard failed, so no honesty claim is made either way.
  • Identity. The model may answer as its base model when asked who it is.

Files

File What
migancore-0.14-q4_k_m.gguf Merged model, GGUF Q4_K_M (2,497,278,784 bytes)
adapters/lora-hitung-promptragam.tgz Arithmetic adapter
adapters/lora-gaya.tgz Style adapter
kemas_merge14.py The TIES merge recipe that produced the merged weights
Modelfile Ollama definition used when it was served (num_ctx 4096, temperature 0.3)

Use it with Ollama:

ollama create migancore-0.14 -f Modelfile

More

License: Apache-2.0, following the base model. Author: Fahmi Ghani (fahmiwol@gmail.com).

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