Evidence Layer
Vault
CoA, TDS, SDS/MSDS, test reports, contracts, compliance, RFQ and evidence are isolated in the vault layer with role-based access and audit history.
Evidence Library
Locked| Evidence | Owner | Purpose | Release Status |
|---|
| CoA / impurity matrix | Vault Evidence | Batch purity and regulated impurity confirmation | LOCKED UNTIL RFQ REVIEW |
| TDS / technical specification | Vault Evidence | Buyer technical validation and specification alignment | LOCKED UNTIL RFQ REVIEW |
| SDS / MSDS | Vault Evidence | Safety, handling, storage and transport assessment | CONTROLLED |
| Origin / chain-of-custody evidence | Vault Evidence | Traceability and route verification | SUPPLIER CONFIRMATION REQUIRED |
| Export-control / end-use review | Vault Evidence | Destination, sanctions, restricted-party and end-use screening | LOCKED UNTIL RFQ REVIEW |
GTOS Documentation Standard
Controlled Docs| Group | Document Type | Owner | Purpose | Status |
|---|
| Safety Documents | SDS (Safety Data Sheet) | Material Profile → Documentation | Safety classification, PPE, first aid, fire-fighting, storage, handling and transport baseline. | AVAILABLE |
| Safety Documents | MSDS (Material Safety Data Sheet) | Vault Evidence | Legacy or buyer-required material safety documentation retained as controlled evidence. | AVAILABLE |
| Safety Documents | Storage & Handling Guide | Trust Center → Safety Documentation | Operational guidance for humidity, inert atmosphere, ventilation, PPE and warehouse restrictions. | AVAILABLE ON REQUEST |
| Technical Documents | TDS (Technical Data Sheet) | Material Profile → Documentation | Technical validation of grade, form, particle size, purity, packaging and acceptance criteria. | LOCKED UNTIL RFQ REVIEW |
| Technical Documents | Packaging Specification | RFQ Gate → Documentation Requirements | Net weight, container type, sealing, palletization, ampoule/can/drum configuration and logistics readiness. | AVAILABLE ON REQUEST |
| Technical Documents | Export Classification (HS Code / export restrictions) | Trust Center → Safety Documentation | HS classification, destination screening, sanctions screening, end-use review and controlled-shipment decisioning. | LOCKED UNTIL RFQ REVIEW |
| Technical Documents | Certificates (ISO / REACH / RoHS / applicable certificates) | Vault Evidence | Buyer compliance package; availability depends on material, supplier, jurisdiction and batch. | IF AVAILABLE |
| Quality & Laboratory | CoA (Certificate of Analysis) | Vault Evidence | Batch-specific purity, impurity matrix and acceptance evidence. | BATCH SPECIFIC |
| Quality & Laboratory | ICP / GDMS / SEM / XRF / Particle Size Reports | Vault Evidence | Laboratory evidence for chemistry, impurity profile, morphology, particle distribution and buyer qualification. | IF AVAILABLE |
| Quality & Laboratory | Batch-specific Evidence | Vault Evidence | Lot number, chain of custody, origin evidence, sampling record, lab report and release authorization. | BATCH SPECIFIC |
| Download Center | Controlled Download Package | RFQ Gate → Documentation Requirements | Buyer-specific document bundle released only after RFQ validation and compliance approval. | LOCKED UNTIL RFQ REVIEW |
Vendor-Neutral SDS/MSDS Assets
Vault Linked| Material | Type | Title | Vault Path | Status |
|---|
| copper | MSDS | YONGYEOKYO Copper Powder MSDS — vendor-neutral redacted | /vault/sds/YONGYEOKYO_Copper_Powder_MSDS_vendor-neutral.pdf | CONTROLLED DOWNLOAD |
| zinc | SDS | YONGYEOKYO Zinc Dust SDS — vendor-neutral redacted | /vault/sds/YONGYEOKYO_Zinc_Dust_SDS_vendor-neutral.pdf | AVAILABLE VENDOR NEUTRAL |
| cesium | SDS | YONGYEOKYO Cesium SDS — vendor-neutral redacted | /vault/sds/YONGYEOKYO_Cesium_SDS_vendor-neutral.pdf | AVAILABLE VENDOR NEUTRAL |
| rubidium | SDS | YONGYEOKYO Rubidium SDS — vendor-neutral redacted | /vault/sds/YONGYEOKYO_Rubidium_SDS_vendor-neutral.pdf | AVAILABLE VENDOR NEUTRAL |
Vault Objects
Vault| Entity | Type | Scope | Status |
|---|
| CoA | Certificate | Vault | Locked |
| Contracts | Legal Document | Vault | Controlled |
| Compliance | Policy Evidence | Vault | Active |
| RFQ | Commercial Workflow | Vault | Active |
| Evidence | Audit Object | Vault | Locked |