How to verify this package: Original remodel package

1. Open manifest.json and review authoritative_files.
2. Recalculate SHA-256 for each authoritative file using its relative path.
3. Rebuild the EB1 root serialization exactly as described in ROOT_SPEC_EB1.txt.
4. Compare the computed root with ROOT_HASH_SHA256.txt.
5. Review CHECKSUMS.sha256 for the full file-level checksum list.
6. Review BLOCKCHAIN_ANCHOR.json to confirm the published anchor status.
