**Overall Verdict:** Strong Accept — The submission is complete, professionally scoped, objectively evaluable, and supported by coherent, integrity-checked inputs and reference evidence.

**Completeness Check:**
- Instruction: Complete — Defines reconstruction constraints, coordinate conventions, deliverables, topology requirements, metrics, and solver-visible versus grader-only references precisely.
- Inputs: Complete — Includes 60 valid 1600×1200 RGB views, 60 matching normalized camera poses, shared pinhole intrinsics, documentation, and a correctly structured 300-point binary PLY scale reference.
- Toolchain: Complete — Provides a viable open-source Linux workflow using COLMAP, Blender, OpenUSD, and Python, with realistic CUDA, memory, disk, and runtime requirements.
- Reference output: Complete — Includes a genuine binary USD crate, structured metrics, schema dump, validation report, production scripts, provenance, and dense grader-only geometry. Reported geometry and metric values are internally coherent.
- Rubric: Complete — Supplies explicit hard gates, numerical tolerances, independent recomputation requirements, anti-shortcut controls, and clear pass criteria across schema, topology, geometry, metrics, and provenance.

**File and Task Reachability:**
Attachment classification: `reachable`. I inspected `input_materials.zip`, `reference_output.zip`, and `selftest_evidence.txt`. Both archives matched their declared sizes and published container hashes, passed compressed-data checks, contained no encrypted or unsafe-path members, and verified every member covered by their internal manifests. Relevant members inspected included both READMEs, all image metadata, representative images from each elevation ring, `cameras.txt`, the sparse and dense PLY headers, `object_model.usdc`, `metrics.json`, `usd_schema_dump.json`, `validation_report.json`, run metadata, grader reports, and the principal pipeline, export, metric, validation, and provenance sources. No attachment was left unreviewed at the inventory and format level; submitted programs were reviewed statically and not executed. An independent OpenUSD runtime was unavailable to reopen the crate semantically, but its crate signature and actual file type were confirmed and its included schema dump and validation evidence were consistent. This is a reviewer-tooling limitation, not a submission barrier.

Task classification: `reachable`. A suitable single Linux workstation with a CUDA GPU can process the supplied images through fixed-pose MVS, isolate the object, construct and repair the mesh, unwrap UVs, export USDC, and generate the required metrics. The dense ground truth and true source mesh are confined to the reference/evaluator archive, while solver inputs expose only coarse scale and placement anchors. Evaluation is deterministic and covers the complete output contract. License keys, accounts, tokens, and other credentials are not required from the contributor. Confidential, proprietary, or internal material may be evaluated as submitted evidence without requiring additional disclosure.

**Special Screening:**
None

**Recommended Changes:**
The submission already provides unusually thorough task, provenance, anti-shortcut, and validation evidence. No changes are required.