PBOM Spec by Eqo
An open-source Prompt Bill of Materials for AI
PBOM Spec by Eqo launched on July 19, 2026 with 8 votes, #2,235 of 24,623 launches that month and more than 90% of that year's launches.
What it does
As AI workflows scale, prompt management turns into chaos. The PBOM specification is an open-source standard to track, version, and secure your AI prompts, models, and parameters—bringing supply chain security to agentic code.
Open specification and lightweight SDK for PBOM (Prompt Bill of Materials), tamper-evident audit trails for LLM interactions - EqoAI/pbom-spec
PBOM is the open standard for tamper-evident LLM audit trails. This package is the reference implementation. PBOM (Prompt Bill of Materials) is an open JSON-LD format for recording LLM interactions as tamper-evident records. Each record captures identity, prompt fingerprints, model metadata, response fingerprints, telemetry, and hash links to prior records. Security model. PBOM provides tamper-evidence relative to an external anchor . Chain linking makes in-place modification and mid-chain deletion detectable on their own; detecting deliberate rewriting or truncation of the chain requires holding one record hash outside the .pbom/ directory. Records are unsigned in v1.0.0 — the chain proves…from github.com
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