PoSSUM / model.json
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{
"format_version": 1,
"status": "development candidate; final topic holdout pending",
"selected_name": "fixed_0",
"source_comparison": {
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"sha256": "4e6444d780cb4321d6291e97d79587827e581cb923f4942438948a4f12c275b2"
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},
"components": {
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"model": "qwen_chat",
"calibrator": "components/qwen_chat_calibrator.joblib",
"backbone": [
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"prompt_format": "chat_nonthinking",
"max_input_tokens": 256
},
"mistral_human_lora_e2": {
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"model": "mistral_human_lora_e2",
"calibrator": "components/mistral_human_lora_e2_calibrator.joblib",
"backbone": [
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"engine": "mlx",
"prompt_format": "plain",
"adapter": "components/mistral_human_lora_e2_adapter",
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}
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"dataset": {
"path": "/Users/David/Documents/Codex/2026-10-16/set/outputs/PoSSUM/data/improvement-20261018",
"manifest_sha256": "44956f833721c180faa612ad197d73841702de2cf091276b6571259d2c557d17"
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"encoder_revisions": {
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"BAAI/bge-small-en-v1.5": "5c38ec7c405ec4b44b94cc5a9bb96e735b38267a"
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"sources": {
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},
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"balanced_accuracy": 0.8508486398511974,
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},
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"Capitol Hill Riot": {
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"Covid-19": {
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"single_class": 0,
"accuracy": 1.0
},
"Democracy": {
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"balanced_accuracy": 1.0,
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"Mexico\u2013US Border": {
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"Russo-Ukrainian War": {
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"log_loss": 0.45891460969118825,
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},
"preprocessing": "remove BOM; collapse whitespace",
"limitations": [
"Development selection is not a final test.",
"Human labels map multiple ideology facets to one binary axis.",
"Human validation is strongly left-skewed.",
"Author-disjointness is unavailable."
]
}