proofroot
Language-neutral trust core for reproducible simulation. Zero dependencies, zero domain semantics.
Install and use
Requires Python 3.12 or newer.
python -m pip install proofroot
import random
from proofroot import EVIDENCECORE_RNG_V1, RngBank, canonical_bytes
bank = RngBank(
root_seed=42,
names=["mutation", "selection"],
rng_strategy=EVIDENCECORE_RNG_V1,
stream_factory=random.Random,
)
mutation_rng = bank.rng_stream("mutation")
print(bank.stream_seeds())
print(mutation_rng.random())
print(canonical_bytes({"answer": 42}))
Everything every simulation community needs and none of what any single one
wants to own: named RNG stream seed derivation (evidencecore-rng-v1), bank
semantics invariants (declared streams, lowercase normalization, forward-only),
run phases, evidence tier vocabulary (exploration / confirmatory / unknown —
missing fields default to unknown, never to confirmatory), and a canonical
serialization spec (RFC 8785 structural rules; IEEE754 bit-pattern float
comparison) with cross-language test vectors.
Charter boundary (frozen): the cross-language contract ends at the derived seed. Seed derivation is byte-defined over SHA-256 and portable; random sequences depend on the host generator (Julia's Xoshiro, Python's choice) and are recorded in the run manifest, not standardized.
Oracle: EvidenceCore.jl in the ParaLife
monorepo is the frozen oracle generating this package's cross-language test
vectors. ParaLife's legacy compatibility layers (legacy encodings, UPPER-CASE
phase spellings) are deliberately not ported here.
Design rationale: proposal §5.10.
1 maintainer
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