17 lines
790 B
Markdown
17 lines
790 B
Markdown
# Retrieval Pipeline Identity
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A retrieval pipeline is behaviorally identified by:
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- embedding-space identity;
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- sparse and fusion configuration digests;
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- optional reranker deployment and reranker configuration digest;
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- candidate-k and output-k semantics.
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The canonical identity digest covers every field. An embedding-only control and the same embedding
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plus reranker are distinct pipelines even when dimensions and source collection are equal. A
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reranker profile/configuration change also creates a new identity. Reranker addition is classified
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`behavioral`; an embedding-space change remains `requires_reindex`.
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Pipeline comparisons consume immutable fixed-pool runs. They do not overwrite embedding evaluation
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runs and cannot be compared as though they were embedding deployments.
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