Documenting technical and material innovations in porcelain sculpture is essential for preserving artistic knowledge and advancing the craft. Here are the most effective methods:

1. Detailed Process Journals: Maintain a step-by-step journal with notes, sketches, and photographs to capture each stage of creation, including material mixtures, firing temperatures, and glazing techniques.

2. High-Quality Photography: Use professional photography to document textures, finishes, and structural details. Include macro shots for intricate designs and lighting variations to highlight depth.

3. Video Documentation: Record videos of the sculpting, molding, and firing processes to provide dynamic insights into techniques that static images cannot convey.

4. Material Spec Sheets: Create detailed spec sheets listing clay types, additives, pigments, and firing schedules. This ensures reproducibility and serves as a reference for future projects.

5. Digital Archives: Store all documentation in a cloud-based or offline digital archive with metadata (dates, techniques, tools) for easy retrieval and sharing.

6. Collaborative Platforms: Share innovations on forums, blogs, or social media dedicated to ceramic arts to foster community learning and feedback.

By combining these methods, artists and researchers can ensure that breakthroughs in porcelain sculpture are accurately preserved and accessible for future generations.