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pin_proofs.py — recompute every chakra's proof.json sha256 over the
canonical kernel.py source bytes. Run after editing a kernel to keep
provenance honest.
"""
from __future__ import annotations
import hashlib
import json
from pathlib import Path
CHAKRA_ROOT = Path(__file__).resolve().parents[1] / "src" / "amaru" / "chakras"
KERNEL_SUMMARY = {
"root": ("amaru.root.v1", "mean of (grounded + integrity) / 2, clamped to [0,1]"),
"sacral": ("amaru.sacral.v1", "convex blend 0.6*fluency + 0.4*novelty, clamped to [0,1]"),
"solar": ("amaru.solar.v1", "intent * agency - friction, clamped to [0,1]"),
"heart": ("amaru.heart.v1", "care - harm clamped to [0,1]"),
"throat": ("amaru.throat.v1", "geometric mean sqrt(clarity*truth), clamped to [0,1]"),
"third_eye": ("amaru.third_eye.v1", "pattern_strength * (1 - uncertainty), clamped to [0,1]"),
"crown": ("amaru.crown.v1", "arithmetic mean of upstream scalars, clamped to [0,1]"),
}
def main() -> int:
for chakra, (proof_id, summary) in KERNEL_SUMMARY.items():
kernel_path = CHAKRA_ROOT / chakra / "kernel.py"
proof_path = CHAKRA_ROOT / chakra / "proof.json"
if not kernel_path.exists():
raise SystemExit(f"missing kernel: {kernel_path}")
digest = hashlib.sha256(kernel_path.read_bytes()).hexdigest()
proof = {
"proof_id": proof_id,
"sha256": digest,
"kind": "kernel-source",
"summary": summary,
"notes": "sha256 computed over the canonical kernel.py source bytes; re-pin via services/amaru/scripts/pin_proofs.py after edits.",
}
proof_path.write_text(json.dumps(proof, indent=2) + "\n")
print(f"{chakra}: {proof_id} -> {digest}")
return 0
if __name__ == "__main__":
raise SystemExit(main())
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