diff --git a/README.md b/README.md
index 34743d4..bca95c8 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,7 @@ Over 60 public and private signatories have committed to implementing the Princi
 - [MobilityData](http://mobilitydata.org)
 - [North Carolina Department of Transportation](https://www.ncdot.gov/)
 - [Oregon Department of Transportation](https://www.oregon.gov/odot/Pages/index.aspx)
+- [Open Mobility Foundation (OMF)](https://www.openmobilityfoundation.org/)
 - [Shared Use Mobility Center (SUMC)](https://sharedusemobilitycenter.org/)
 - [Taskar Center for Accessible Technology](https://tcat.cs.washington.edu/)
 - [Tri-Met](https://trimet.org/)
diff --git a/data/organizations/amsterdam.md b/data/organizations/amsterdam.md
new file mode 100644
index 0000000..9dff4b5
--- /dev/null
+++ b/data/organizations/amsterdam.md
@@ -0,0 +1,9 @@
+---
+name: City of Amsterdam
+type: government
+roles: [specification_maintainer]
+url: https://www.amsterdam.nl/innovatie
+logo_url: https://www.amsterdam.nl/favicon.ico
+---
+
+# Description
diff --git a/data/specifications/cds-m.md b/data/specifications/cds-m.md
index e6f4283..68273a4 100644
--- a/data/specifications/cds-m.md
+++ b/data/specifications/cds-m.md
@@ -3,14 +3,14 @@ short_name: CDS-M
 full_name: City Data Standard for Mobility
 homepage_url: https://cds-m.com/
 status: partially_compliant
-maintainers: [omf]
+maintainers: [amsterdam]
 licences:
 - id: Apache-2.0
 first_release_year: 2022
 adoption:
   lifecycle: early_adoption
   tier: early
-  confirmed_by_maintainer: true
+  confirmed_by_maintainer: false
 principles:
   cost_restriction_free:
     verdict: compliant
@@ -25,7 +25,7 @@ principles:
     rationale: Yes, led and financed by a coalition of cities
     evidence_url: https://www.openmobilityfoundation.org/faq/
   structured_releases:
-    verdict: compliant
+    verdict: partially_compliant
     rationale: Changelog available on GitHub
     evidence_url: https://github.com/CDSM-WG/CDS-M/pulls?q=is%3Apr+state%3Aclosed
   open_governance:
diff --git a/data/specifications/cds.md b/data/specifications/cds.md
index ae2a89a..3c2f10f 100644
--- a/data/specifications/cds.md
+++ b/data/specifications/cds.md
@@ -11,6 +11,9 @@ first_release_year: 2021
 adoption:
   lifecycle: active
   tier: early
+  adopters_count: 35
+  adopters_count_updated: '2026-11-04'
+  adopters_registry_url: https://github.com/openmobilityfoundation/curb-data-specification/wiki#cds-users
   confirmed_by_maintainer: true
 principles:
   cost_restriction_free:
diff --git a/data/specifications/mds.md b/data/specifications/mds.md
index f65b393..ee88881 100644
--- a/data/specifications/mds.md
+++ b/data/specifications/mds.md
@@ -3,7 +3,7 @@ short_name: MDS
 full_name: Mobility Data Specification
 homepage_url: https://github.com/openmobilityfoundation/mobility-data-specification/tree/release-2.1.0
 status: compliant
-modes: [microtransit_drt, taxi_ridehail, bicycle]
+modes: [microtransit_drt, taxi_ridehail, bicycle, public_transport]
 maintainers: [omf]
 licences:
 - id: CC-BY-4.0
@@ -13,8 +13,8 @@ first_release_year: 2018
 adoption:
   lifecycle: active
   tier: hundred_plus
-  adopters_count: 258
-  adopters_count_updated: '2026-09-28'
+  adopters_count: 1200
+  adopters_count_updated: '2026-11-04'
   adopters_registry_url: https://www.openmobilityfoundation.org/mds-users/
   confirmed_by_maintainer: true
 principles: