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Rory726

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paperbenchx

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Adds a new uncontaminated task ID with solver-written pi0.5 reconstruction, signed real-home experiment contract, exact-zero hard gates, offline runtime, and explicit blocked-preflight status. Private verifier, golden probes, recorder, references, and historical submissions are intentionally excluded.

Verification summary:

• New task ID: pi05-real-home-replication. The old pi05-libero ID remains contaminated.
• Public PR contains 31 allowlisted solver-facing files; remote SHA-256 verification passed for every manifest entry.
• No tests directory, evaluator, rubric, refs, runs, submissions, golden tensors, recorder, or signing material is included.
• Private local contract suite: 25/25 tests passed, including exact-zero no-op, zero-forward, zero-query, zero-step, zero-episode, low algorithm-probe, hardware/environment mismatch, missing synchronized logs, replay, forgery, and unsigned cases.
• Release remains blocked-preflight until the robot endpoint, embodiment mapping, matching norm stats, checkpoint loader contract, signing setup, hidden tensors, public paper references, and reference campaigns are provided. Missing infrastructure fails closed at reward 0.000000; LIBERO is never substituted.

Runtime/preflight hardening update (commit 7c905c9bd2f84c6af7ef241ebb5482b5aa7e7fa4).

• Final clean-room image: pb-pi05-cleanroom-runtime:2026-08-locked / sha256:22d4ca17db04d73d29fd876dff1c00d2077393a4ce0c2ac9e94f672138e9bdbb. It is digest-pinned, dependency-hash-locked, starts in writable /home/submission, and excludes openpi, LeRobot, Transformers, HF Hub, pip, npm, git, download tools, apt, and dpkg.
• Final runtime + public checkpoint preflight passed, including JAX/PyTorch GPU execution, SentencePiece validation, Orbax metadata contract, and a deep restore of all 51 arrays / 3,353,433,872 parameters.
• Fixed the stale pi05_libero / LIBERO-4-suite preamble inherited by paper.md; the public paper material now consistently describes pi05_base and real-home replication.
• nop is now explicitly differentiated: after a ready preflight, an empty submission produces status: scored and exact 0.0; incomplete owner infrastructure produces status: blocked_infrastructure.
• Local verification: 31 evaluator/contract tests and 7 owner-preflight tests pass. Remote PR verification downloaded the package again: 35 manifest payload files, all SHA-256 values match, with no evaluator, private probe, refs, runs, or submission material.

The PR deliberately remains blocked-preflight. This host still lacks the verifier-owned real robot gateway/socket, matching signed embodiment and norm-stat assets, private probes and signing material, frozen paper references, and the reference campaign. Do not treat this as a runnable Harbor benchmark until a full preflight returns ready; LIBERO is not a substitute.

Follow-up: commit 329b2604cdd92f5b40dd4770e82534f096e246b2 aligns the PR source with the final image hardening by removing apt/dpkg and adding them to the runtime audit. I re-downloaded refs/pr/3; all 36 public files are byte/hash identical to the final explicit-allowlist staging tree.