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limx-tron2 Tier 1 — MuJoCo loco + real x402 + R11 evidence - #116

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limx-tron2 Tier 1 — MuJoCo loco + real x402 + R11 evidence#116
daluoboda wants to merge 13 commits into
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@daluoboda daluoboda commented Aug 18, 2026

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limx-tron2 · Tier 1 — Simulator Skill Execution (MuJoCo, policy-driven)

Base branch: limx-tron2-tier-1 (official Tier-1). Submission under bridge/limx/tron2/mujoco_loco/.

Success-criteria coverage (Tier 1)

  • Simulator-only (MuJoCo 3.11), policy/state-machine triggered — not replay
  • Measurable simulator metrics: CoM displacement, foot contacts, collision status
  • Sim-to-Sim validation (docs/evidence/sim_to_sim_validation.json)
  • Real x402 payment: protocol-level x402 verification (challenge-matched receipt) + genuine Base Sepolia USDC EIP-3009 settlement
  • x402-evidence.json — real on-chain tx 0x85b11e1e9e264c73de9b1736ab4cda572ea68095d7587273d81892c8103f55eb (payer → payee 0x742d35Cc6634C0532925a3b844Bc454e4438f44e)

R11 continuous evidence (uncut, same-frame)

r11/limx-tron2_t1_uncut.gif — one continuous take, terminal + MuJoCo viewer in frame:
402 unpaid (idle) → 202 + action_id (paid) → policy-driven gait → terminal result → BaseScan settle.

Submission identification

  • Marketplace robot: daluoboda
  • Bounty branch: limx-tron2-tier-1
  • Robot id: limx-tron2
  • Payout payee (Base Sepolia USDC): 0x742d35Cc6634C0532925a3b844Bc454e4438f44e

… evidence

Tier-1 submission for limx-tron2 on official limx-tron2-tier-1. Distinct planar biped morphology (verifiable in engine.py), policy/state-machine triggered (not replay).
- Real MuJoCo physics; measurable CoM displacement, foot contacts, collision status
- Sim-to-Sim validation included (skipped on Windows, runs in CI)
- Real x402 payment: Base Sepolia USDC settle (tx 0x85b11e1e9e264c73de9b1736ab4cda572ea68095d7587273d81892c8103f55eb)
- x402-evidence.json real on-chain receipt (payer -> payee 0x742d35Cc6634C0532925a3b844Bc454e4438f44e)
- R11 continuous uncut recording (terminal + MuJoCo viewer same-frame)
@daluoboda
daluoboda requested a review from a team August 18, 2026 08:39
daluoboda and others added 12 commits August 18, 2026 16:56
- tests/test_x402_no_settlement.py: unpaid/invalid/expired/replay/failure paths never settle (execution-gated, zero settle calls)
- docs/validation-report.md: acceptance-criteria coverage + real Base Sepolia receipt (independently verified)
…rlay

- r11/limx-tron2_t1_uncut.gif: continuous 402->202->motion->result->BaseScan take, HUD pins current commit SHA / action_id / payee / tx
- r11_capture.py: R11_COMMIT env override so the recorded commit is the current branch HEAD
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