{
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  "description": "Build recipe and content hashes for every multi-language kernel artifact compiled from a source named by a workload manifest, with one reproduction observation per toolchain that has run the recipe.",
  "reproducibilityIsAMeasurement": "Whether a recipe rebuilds the committed bytes is a property of the machine that ran it, not of the artifact. Observations are appended under the fingerprint of the toolchain that made them and are never overwritten by another machine. reproducesCommittedBytes means at least one recorded toolchain reproduced the bytes; reproductionsByToolchain gives the per-machine breakdown. A buildFailed observation means the recipe did not compile on that machine, so it produced no bytes to compare: it is neither agreement nor disagreement, and the reason field carries the compiler's own diagnostic.",
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