diff --git a/gcn/notices/core/AdditionalInfo.schema.json b/gcn/notices/core/AdditionalInfo.schema.json
index c2b65755..9d97a14d 100644
--- a/gcn/notices/core/AdditionalInfo.schema.json
+++ b/gcn/notices/core/AdditionalInfo.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/AdditionalInfo.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/AdditionalInfo.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "Comments",
diff --git a/gcn/notices/core/Alert.schema.json b/gcn/notices/core/Alert.schema.json
index b466f011..acd9b98a 100644
--- a/gcn/notices/core/Alert.schema.json
+++ b/gcn/notices/core/Alert.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Alert.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Alert.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "Alert",
   "description": "Alert Information description properties of this notice",
diff --git a/gcn/notices/core/DateTime.schema.json b/gcn/notices/core/DateTime.schema.json
index 11464271..d5236984 100644
--- a/gcn/notices/core/DateTime.schema.json
+++ b/gcn/notices/core/DateTime.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/DateTime.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/DateTime.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "DateTime",
   "description": "Time descriptions of transient event and observation",
diff --git a/gcn/notices/core/DetectorStatus.schema.json b/gcn/notices/core/DetectorStatus.schema.json
index f5d8833d..17e4a4c2 100644
--- a/gcn/notices/core/DetectorStatus.schema.json
+++ b/gcn/notices/core/DetectorStatus.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/DetectorStatus.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/DetectorStatus.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "DetectorStatus",
   "enum": ["on", "off", "triggered"],
diff --git a/gcn/notices/core/Distance.schema.json b/gcn/notices/core/Distance.schema.json
index 0daa4215..da415349 100644
--- a/gcn/notices/core/Distance.schema.json
+++ b/gcn/notices/core/Distance.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Distance.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Distance.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "Distance",
diff --git a/gcn/notices/core/Duration.schema.json b/gcn/notices/core/Duration.schema.json
index 79de3b93..6de3162a 100644
--- a/gcn/notices/core/Duration.schema.json
+++ b/gcn/notices/core/Duration.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Duration.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Duration.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "Duration",
diff --git a/gcn/notices/core/Event.schema.json b/gcn/notices/core/Event.schema.json
index 69cb0044..aaa4ac27 100644
--- a/gcn/notices/core/Event.schema.json
+++ b/gcn/notices/core/Event.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Event.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Event.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "Event Information",
diff --git a/gcn/notices/core/FollowUp.schema.json b/gcn/notices/core/FollowUp.schema.json
index 37f909a3..773353de 100644
--- a/gcn/notices/core/FollowUp.schema.json
+++ b/gcn/notices/core/FollowUp.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/FollowUp.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/FollowUp.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "FollowUp",
   "description": "Schema specific to follow-up cases",
diff --git a/gcn/notices/core/HardnessRatio.schema.json b/gcn/notices/core/HardnessRatio.schema.json
index 670bc624..06eb6a92 100644
--- a/gcn/notices/core/HardnessRatio.schema.json
+++ b/gcn/notices/core/HardnessRatio.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/HardnessRatio.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/HardnessRatio.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "HardnessRatio",
diff --git a/gcn/notices/core/Localization.example.json b/gcn/notices/core/Localization.example.json
index 42201333..9f13fca2 100644
--- a/gcn/notices/core/Localization.example.json
+++ b/gcn/notices/core/Localization.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Localization.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Localization.schema.json",
   "ra": 120,
   "dec": 45,
   "uncertainty_shape": "ellipse",
diff --git a/gcn/notices/core/Localization.schema.json b/gcn/notices/core/Localization.schema.json
index d6d8030d..376c067e 100644
--- a/gcn/notices/core/Localization.schema.json
+++ b/gcn/notices/core/Localization.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Localization.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Localization.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "Localization",
diff --git a/gcn/notices/core/Orbit.schema.json b/gcn/notices/core/Orbit.schema.json
index a54f07c6..cae4c06b 100755
--- a/gcn/notices/core/Orbit.schema.json
+++ b/gcn/notices/core/Orbit.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/GeoLocBase.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/GeoLocBase.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "Spacecraft Geolocation and McIlwain L",
   "description": "Enables GCN providers to include spacecraft geolocation and McIlwain L-Parameter.",
diff --git a/gcn/notices/core/Pointing.example.json b/gcn/notices/core/Pointing.example.json
index 05d0d4de..34628db0 100644
--- a/gcn/notices/core/Pointing.example.json
+++ b/gcn/notices/core/Pointing.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Pointing.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Pointing.schema.json",
   "ra": 120.5,
   "dec": 30.2,
   "roll": -12.8,
diff --git a/gcn/notices/core/Pointing.schema.json b/gcn/notices/core/Pointing.schema.json
index 4dbf3f44..09a47504 100644
--- a/gcn/notices/core/Pointing.schema.json
+++ b/gcn/notices/core/Pointing.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Pointing.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Pointing.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "Instrument Pointing",
   "description": "Instrument pointing and rotational rates.",
diff --git a/gcn/notices/core/Redshift.schema.json b/gcn/notices/core/Redshift.schema.json
index 9e825569..3a3bd55b 100644
--- a/gcn/notices/core/Redshift.schema.json
+++ b/gcn/notices/core/Redshift.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Redshift.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Redshift.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "Redshift",
diff --git a/gcn/notices/core/Reporter.example.json b/gcn/notices/core/Reporter.example.json
index b5ae26be..79c8c7f5 100644
--- a/gcn/notices/core/Reporter.example.json
+++ b/gcn/notices/core/Reporter.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Reporter.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Reporter.schema.json",
   "mission": "Hubble Space Telescope",
   "instrument": "Advanced Camera for Surveys",
   "record_number": 1,
diff --git a/gcn/notices/core/Reporter.schema.json b/gcn/notices/core/Reporter.schema.json
index b1bffa5c..9e7ef282 100644
--- a/gcn/notices/core/Reporter.schema.json
+++ b/gcn/notices/core/Reporter.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Reporter.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Reporter.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "Reporter",
   "description": "Alert Reporter instrument",
diff --git a/gcn/notices/core/Statistics.example.json b/gcn/notices/core/Statistics.example.json
index 7129264b..1ccc1756 100644
--- a/gcn/notices/core/Statistics.example.json
+++ b/gcn/notices/core/Statistics.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Statistics.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Statistics.schema.json",
   "far": 0.001,
   "rate_snr": 5.2,
   "rate_duration": 10,
diff --git a/gcn/notices/core/Statistics.schema.json b/gcn/notices/core/Statistics.schema.json
index 1f559831..88c7270e 100644
--- a/gcn/notices/core/Statistics.schema.json
+++ b/gcn/notices/core/Statistics.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Statistics.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Statistics.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "Statistics",
diff --git a/gcn/notices/core/spectral/GammaRay.schema.json b/gcn/notices/core/spectral/GammaRay.schema.json
index c6808bdc..0283b7c9 100644
--- a/gcn/notices/core/spectral/GammaRay.schema.json
+++ b/gcn/notices/core/spectral/GammaRay.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/spectral/GammaRay.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/spectral/GammaRay.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "spectral.GammaRay",
diff --git a/gcn/notices/core/spectral/models/Band.schema.json b/gcn/notices/core/spectral/models/Band.schema.json
index ade61c52..2c02d348 100644
--- a/gcn/notices/core/spectral/models/Band.schema.json
+++ b/gcn/notices/core/spectral/models/Band.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/spectral/models/Band.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/spectral/models/Band.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "Band",
diff --git a/gcn/notices/core/spectral/models/CutOffPowerLaw.schema.json b/gcn/notices/core/spectral/models/CutOffPowerLaw.schema.json
index f422f2a6..47f7865d 100644
--- a/gcn/notices/core/spectral/models/CutOffPowerLaw.schema.json
+++ b/gcn/notices/core/spectral/models/CutOffPowerLaw.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/spectral/models/CutOffPowerLaw.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/spectral/models/CutOffPowerLaw.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "CutOffPowerLaw",
diff --git a/gcn/notices/core/spectral/models/PowerLaw.schema.json b/gcn/notices/core/spectral/models/PowerLaw.schema.json
index 38cd2a65..aa21fbce 100644
--- a/gcn/notices/core/spectral/models/PowerLaw.schema.json
+++ b/gcn/notices/core/spectral/models/PowerLaw.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/spectral/models/PowerLaw.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/spectral/models/PowerLaw.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "PowerLaw",
diff --git a/gcn/notices/glowbug/Alert.example.json b/gcn/notices/glowbug/Alert.example.json
index 232ddd10..5741fc51 100644
--- a/gcn/notices/glowbug/Alert.example.json
+++ b/gcn/notices/glowbug/Alert.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/glowbug/alert.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/glowbug/alert.schema.json",
   "mission": "GLOWBUG",
   "alert_datetime": "2023-04-23T15:25:55Z",
   "alert_tense": "current",
diff --git a/gcn/notices/glowbug/Alert.schema.json b/gcn/notices/glowbug/Alert.schema.json
index d7089093..9a61afad 100644
--- a/gcn/notices/glowbug/Alert.schema.json
+++ b/gcn/notices/glowbug/Alert.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/glowbug/alert.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/glowbug/alert.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "Glowbug Alert Notice",
   "description": "Information about a Glowbug trigger.  All fields optional; omitted if not available or not applicable.",
diff --git a/gcn/notices/icecube/lvk_nu_track_search.example.json b/gcn/notices/icecube/lvk_nu_track_search.example.json
index bc6dd632..98534276 100644
--- a/gcn/notices/icecube/lvk_nu_track_search.example.json
+++ b/gcn/notices/icecube/lvk_nu_track_search.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/icecube/lvk_nu_track_search.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/icecube/lvk_nu_track_search.schema.json",
   "type": "IceCube LVK Alert Nu Track Search",
   "reference": { "gcn.notices.LVK.alert": "S230914ak-2-Preliminary" },
   "ref_ID": "S230914ak",
diff --git a/gcn/notices/icecube/lvk_nu_track_search.schema.json b/gcn/notices/icecube/lvk_nu_track_search.schema.json
index b8a1bb22..94d50a24 100644
--- a/gcn/notices/icecube/lvk_nu_track_search.schema.json
+++ b/gcn/notices/icecube/lvk_nu_track_search.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/icecube/lvk_nu_track_search.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/icecube/lvk_nu_track_search.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "IceCube LVK Alert Nu Track Search",
diff --git a/gcn/notices/icecube/test/gold_bronze.update.example.json b/gcn/notices/icecube/test/gold_bronze.update.example.json
index daaf3112..e6324419 100644
--- a/gcn/notices/icecube/test/gold_bronze.update.example.json
+++ b/gcn/notices/icecube/test/gold_bronze.update.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json",
   "additional_info": "IceCube Bronze Neutrino Track Alert",
   "event_name": ["IceCube-230416A"],
   "id": ["137840", "57034692"],
diff --git a/gcn/notices/icecube/test/gold_bronze_track_alerts.example.json b/gcn/notices/icecube/test/gold_bronze_track_alerts.example.json
index 1e00575d..03f47015 100644
--- a/gcn/notices/icecube/test/gold_bronze_track_alerts.example.json
+++ b/gcn/notices/icecube/test/gold_bronze_track_alerts.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json",
   "additional_info": "IceCube Bronze Neutrino Track Alert",
   "id": ["137840", "57034692"],
   "alert_datetime": "2023-04-16T05:22:29.55Z",
diff --git a/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json b/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json
index 6c3f0137..56520c9f 100644
--- a/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json
+++ b/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "IceCubeGoldAndBronzeTracks",
diff --git a/gcn/notices/swift/bat/Guano.Retraction.example.json b/gcn/notices/swift/bat/Guano.Retraction.example.json
index 51ad8694..fa34d80c 100644
--- a/gcn/notices/swift/bat/Guano.Retraction.example.json
+++ b/gcn/notices/swift/bat/Guano.Retraction.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/swift/bat/guano.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/swift/bat/guano.schema.json",
   "mission": "Swift",
   "instrument": "BAT-GUANO",
   "messenger": "EM",
diff --git a/gcn/notices/swift/bat/Guano.example.json b/gcn/notices/swift/bat/Guano.example.json
index ce200cc1..e4879ca1 100644
--- a/gcn/notices/swift/bat/Guano.example.json
+++ b/gcn/notices/swift/bat/Guano.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/swift/bat/guano.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/swift/bat/guano.schema.json",
   "mission": "Swift",
   "instrument": "BAT-GUANO",
   "messenger": "EM",
diff --git a/gcn/notices/swift/bat/Guano.schema.json b/gcn/notices/swift/bat/Guano.schema.json
index 6382d444..7ee8dee4 100644
--- a/gcn/notices/swift/bat/Guano.schema.json
+++ b/gcn/notices/swift/bat/Guano.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/swift/bat/guano.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/swift/bat/guano.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "Swift/BAT-GUANO Alert",
   "description": "Candidate gamma-ray transient reported from the BAT-GUANO targeted search",
diff --git a/gcn/notices/swift/bat/guano.loc_arc_min.example.json b/gcn/notices/swift/bat/guano.loc_arc_min.example.json
index 324edc6a..dfffcd1d 100644
--- a/gcn/notices/swift/bat/guano.loc_arc_min.example.json
+++ b/gcn/notices/swift/bat/guano.loc_arc_min.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/swift/bat/guano.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/swift/bat/guano.schema.json",
   "mission": "Swift",
   "instrument": "BAT-GUANO",
   "messenger": "EM",
diff --git a/gcn/notices/swift/bat/guano.loc_map.example.json b/gcn/notices/swift/bat/guano.loc_map.example.json
index 60ced5f0..adc43c43 100644
--- a/gcn/notices/swift/bat/guano.loc_map.example.json
+++ b/gcn/notices/swift/bat/guano.loc_map.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/swift/bat/guano.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/swift/bat/guano.schema.json",
   "mission": "Swift",
   "instrument": "BAT-GUANO",
   "messenger": "EM",