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Displaying 1 - 25 of 871

STANDARDS-BASED DIGITAL TWIN COMPOSITION: ROBOT ARM AND GRIPPER

August 26, 2026
Author(s)
Yehoshua Halle, Guodong Shao
Digital twins are used to monitor, diagnose, predict, and optimize systems' performance, often for the purpose of informing human decision-makers or automatically controlling systems. However, it is impractical to create a large-scale, monolithic digital

Workshop Report on Technologies and Use Cases for Smart Standards

August 10, 2026
Author(s)
Jacob Collard, Spencer Breiner, Eswaran Subrahmanian
This document reports the activities of a workshop held at the National Institute for Standards and Technology (NIST) on March 19–20, 2026 on the topic of Technologies and Use Cases for Smart Standards. The workshop was jointly organized by the Information

Towards a Digital Twin of a Coordinate Measuring Machine

June 18, 2026
Author(s)
Deogratias Kibira, Guodong Shao, Rishabh Venketesh, Emma Bair
This paper presents the development of a digital twin for a Coordinate Measuring Machine (CMM) using open standards and supporting technologies. The approach is demonstrated through a case study in which a compact CMM inspects a machined part. Inspection

Photopolymer Additive Manufacturing 2025 Workshop Report: Building a Unified Vision from Research to Regulation

June 10, 2026
Author(s)
Callie Higgins, Jason Killgore, Mike Idacavage, Vince Anewenter, Mickey Fortune, Gary Cohen, Perri Katzman, Jessica Hemond, Spencer Loveless, Michael Gould
The third biannual Photopolymer Additive Manufacturing Alliance Workshop was held on September 15-16, 2025, at the University of Colorado Boulder to continue its mission of advancing photopolymer additive manufacturing (PAM). Building on the 2023 PAMA

Certification of Standard Reference Material 1474c, a Polyethylene Resin

May 14, 2026
Author(s)
Kalman Migler, Nathanael Heckert, Suzanne Thornton
The melt flow rate of Standard Reference Material (SRM) 1474c, a linear polyethylene (narrow MWD ethylene-hexene copolymer) resin, was determined to be 5.04 g/10 min at 190 °C under a load of 2.16 kg using the ASTM Method D 1238-23a. The average is a

Modeling of Hurricane Surge and Waves in the Built Environment: Hurricane Ian Workshop #3 Report

May 6, 2026
Author(s)
Daniel Cox, Mehrshad Amini, Keenan Hubbard, James Kaihatu, Andrew Kennedy, Erick Velasco-Reyes, Dylan Sanderson, Donald Slinn
This report summarizes the proceedings and outcomes of the third Hurricane Ian Workshop, held on September 5, 2025, in Alexandria, Virginia. The purpose of the workshop was to explore the state-of-the-art in numerical modeling of overland flow in the built

Interlaboratory Comparison with a Reference Measurement Procedure (RMP) for Determining 24,25-Dihydroxvitamin D3 in Human Serum using Liquid Chromatography - Tandem Mass Spectrometry (LC-MS/MS)

April 28, 2026
Author(s)
Stephen Wise, Ekaterina Mineva, Christine Pfeiffer, Hubert Vesper, Etienne Cavalier, Stephenie Peters, Karen Galvin, Kevin Cashman, Andrew Norbert Hoofnagle, Hsuan-Chieh (Joyce) Liao, Emma Williams, Laura Briggs, Adam Kuszak, Grace Hahm, Johanna Camara
An interlaboratory comparison study was conducted among five laboratories for determination of 24,25-dihydroxyvitamin D3 [24,25(OH)2D3] in human serum using liquid chromatography - tandem mass spectrometry (LC-MS/MS) methods. The Centers for Disease

Accurate Volume Determination for Low Gas Flow Standards

March 17, 2026
Author(s)
Jodie Pope, Christopher Crowley, Max Low, John Wright, Aaron Johnson
The National Institute of Standards and Technology (NIST) has developed the Semiconductor Low Flow Standard (SLowFlowS), a new rate-of-rise (RoR) gas flow standard capable of measuring flows as low as 0.01 standard cm³/min. SLowFlowS incorporates two

Result harmonization in medical laboratories: accomplishments and challenges.

March 13, 2026
Author(s)
Tony Badrick, Ralf D. Josephs, Liesbet Deprez, Christa Cobbaert, VINCENT DELATOUR, Christian Vogl, Katleen Van Uytfanghe, Ashley Green, Sverre Sandberg
The Joint Committee for Traceability in Laboratory Medicine was established in 2002 in response to the implementation of the European Community Directive 98.79/EC on in vitro medical devices. The Committee consisted of representatives from the

Certification of Standard Reference Material(R)s 3672a & 3673a: Organic Contaminants in Smokers' Urine (Frozen) & Organic Contaminants in Non-Smokers' Urine (Frozen)

February 25, 2026
Author(s)
Ashley Russell, Ben Blount, Julianne Botelho, Christina Brosius, Carolyn Burdette, Antonia Calafat, Johanna Camara, Jun Feng, Nathanael Heckert, Jennifer Hoguet, Kevin Huncik, Maria Morel Espinosa, Maria Ospina, Jared Ragland, Christopher Reese, Michael Rybak, Tiffany Seyler, Liza Valentin-Blasini, Lanqing Wang, Elena Wood, Baoyun Xia
Standard Reference Material (SRM) 3672a Organic Contaminants in Smokers' Urine (Frozen) and SRM 3673a Organic Contaminants in Non-Smokers' Urine (Frozen) are intended for use in evaluating analytical methods for the determination of selected naturally

Lucky Packets and Network Time Protocol (NTP)

January 26, 2026
Author(s)
Jace Smuszkiewicz, Terrence Jones, Andrew Novick, Demetrios Matsakin
For users of the network time protocol (NTP), a "lucky packet" is defined as one which is returned back to the client with very short roundtrip travel time over the internet. In NTP the error budget of the time offset measurement is dominated by the
Displaying 1 - 25 of 871
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