Dexterity Card

Every hand we ship, measured on one protocol, from October 2026.

v0.1 · Draft for comment Comment on the draft

Robotics CenterDexterity Card Template · Protocol v0.1 (draft)
Example image
Brand / model
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Card type
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Serial number
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Measured on
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RCSN
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Protocol version
v0.1 (draft)
  • Fingertip repeatability—mm
  • Command-to-motion latency—ms
  • Per-joint backlash (max)—deg
  • Max grip force—N
  • Drift after 500 grasps—mm
  • Thermal derating, 10 min—% of cold
Robotics Center · San FranciscoTemplate — no measured values yet
Card layout. Values stay empty until units are measured under the final protocol.
What we measure 6 properties
Force gauge High-speed camera ArUco markers

Fingertip repeatability mm

Does it land in the same place?

Same command, repeated; track fingertip markers.

Spatial Precision Method

Command-to-motion latency ms

How fast it reacts.

Step command; high-speed camera frame of first motion.

Temporal Precision Method

Per-joint backlash deg

Slack on direction reversal.

Reverse each joint; measure dead motion.

Spatial Precision Contact Precision Method

Max grip force + curve N

How hard, and how linear.

Sweep closure on a force gauge.

Contact Precision Grasp Diversity (partial) Method

Drift after 500 grasps mm

Does it hold position over a session?

Repeatability before vs. after 500 cycles.

Spatial Precisionover a session Method

Thermal derating % of cold

Force lost when hot.

Grip force after 10 min full load vs. cold.

Contact Precisionover time Method

Draft for comment. Full procedures in the protocol (v0.1).

Mapped to DexBench's five dexterity regimes. DexBench is published by RLWRLD, with NVIDIA listed as a platform partner; Robotics Center is not affiliated with either.

One card for the life of the hand
  1. IntakeMeasured before it ships to you.
  2. Before repairThe quote is based on what's actually off.
  3. After repairProof the fix worked.
  4. ResaleThe buyer gets the full history. A Carfax for robot hands.

Bound to the unit's serial number. Vendors see their numbers before publication.

Why one protocol

Every vendor measures its own way, so datasheets can't be compared. We have many brands on one bench, and we publish measurements. We never rank hands.

Get a card

Included with every hand bought through RC from October 2026. Already own one? Ship it to us and we run the same protocol.