diff --git a/mappings/ari.equivalencies.tsv b/mappings/ari.equivalencies.tsv
index 70515d7..a9d278d 100644
--- a/mappings/ari.equivalencies.tsv
+++ b/mappings/ari.equivalencies.tsv
@@ -500,4 +500,10 @@ ARI	0001143	Neuromyelitis optica	skos:exactMatch	icd10cm	G36.0	manual	github:aar
 ARI	0001143	Neuromyelitis optica	skos:exactMatch	ORPHA	71211	manual	github:aaronabend
 ARI	0001143	Neuromyelitis optica	skos:exactMatch	mesh	D009471	manual	github:aaronabend
 ARI	0001143	Neuromyelitis optica	skos:exactMatch	OMIM	NoTermFound	manual-absent	github:aaronabend
+ARI	0001098	Hemophilia B Leyden	skos:exactMatch	MONDO	0850054	manual	github:linikujp
+ARI	0001098	Hemophilia B Leyden	skos:exactMatch	ORPHA	617930	manual	github:linikujp
+ARI	0001090	Essential mixed cryoglobulinemia	skos:exactMatch	MONDO	0007407	manual	github:linikujp
+ARI	0001090	Essential mixed cryoglobulinemia	skos:exactMatch	ORPHA	91138	manual	github:linikujp
+ARI	0001019	Antisynthetase syndrome	skos:exactMatch	MONDO	0019344	manual	github:linikujp
+ARI	0001019	Antisynthetase syndrome	skos:exactMatch	ORPHA	81	manual	github:linikujp
 ARI	0001056	Birdshot chorioretinopathy	skos:exactMatch	ORPHA	179	manual	github:KrishnaTO
diff --git a/mappings/ari.sssom.tsv b/mappings/ari.sssom.tsv
index 03784d6..52da10d 100644
--- a/mappings/ari.sssom.tsv
+++ b/mappings/ari.sssom.tsv
@@ -520,4 +520,10 @@ ARI:0001143	Neuromyelitis optica	skos:exactMatch		icd10cm:G36.0	icd10cm	semapv:M
 ARI:0001143	Neuromyelitis optica	skos:exactMatch		ORPHA:71211	ORPHA	semapv:ManualMappingCuration	github:aaronabend	2026-08-17
 ARI:0001143	Neuromyelitis optica	skos:exactMatch		mesh:D009471	mesh	semapv:ManualMappingCuration	github:aaronabend	2026-08-17
 ARI:0001143	Neuromyelitis optica	skos:exactMatch		sssom:NoTermFound	OMIM	semapv:ManualMappingCuration	github:aaronabend	2026-08-17
+ARI:0001098	Hemophilia B Leyden	skos:exactMatch		MONDO:0850054	MONDO	semapv:ManualMappingCuration	github:linikujp	2026-08-21
+ARI:0001098	Hemophilia B Leyden	skos:exactMatch		ORPHA:617930	ORPHA	semapv:ManualMappingCuration	github:linikujp	2026-08-21
+ARI:0001090	Essential mixed cryoglobulinemia	skos:exactMatch		MONDO:0007407	MONDO	semapv:ManualMappingCuration	github:linikujp	2026-08-21
+ARI:0001090	Essential mixed cryoglobulinemia	skos:exactMatch		ORPHA:91138	ORPHA	semapv:ManualMappingCuration	github:linikujp	2026-08-21
+ARI:0001019	Antisynthetase syndrome	skos:exactMatch		MONDO:0019344	MONDO	semapv:ManualMappingCuration	github:linikujp	2026-08-21
+ARI:0001019	Antisynthetase syndrome	skos:exactMatch		ORPHA:81	ORPHA	semapv:ManualMappingCuration	github:linikujp	2026-08-21
 ARI:0001056	Birdshot chorioretinopathy	skos:exactMatch		ORPHA:179	ORPHA	semapv:ManualMappingCuration	github:KrishnaTO	2026-08-20
diff --git a/ontologies/ari_t1d.owl b/ontologies/ari_t1d.owl
index f28afb9..2921bb1 100644
--- a/ontologies/ari_t1d.owl
+++ b/ontologies/ari_t1d.owl
@@ -3526,6 +3526,7 @@ The trigger for antisynthetase syndrome is unknown, but it may be associated wit
   <ARI_AuthorDate rdf:datatype="http://www.w3.org/2001/XMLSchema#string">2024-09</ARI_AuthorDate>
   <ARI_SurveyCode rdf:datatype="http://www.w3.org/2001/XMLSchema#string">ASY</ARI_SurveyCode>
   <ARI_ChangeLog rdf:datatype="http://www.w3.org/2001/XMLSchema#string">2026-06-15 10:37 | Importer | Imported from ARI core reports</ARI_ChangeLog>
+  <ARI_ChangeLog rdf:datatype="http://www.w3.org/2001/XMLSchema#string">2026-08-21 17:35 | linikujp | Cross-reference review: confirmed MONDO 0019344; confirmed ORPHANET 81</ARI_ChangeLog>
 </owl:NamedIndividual>
 
 <owl:NamedIndividual rdf:about="#Sym_0001019_176">
@@ -9734,6 +9735,7 @@ When mastocytosis is not limited to the skin, it is called systemic mastocytosis
   <ARI_AuthorDate rdf:datatype="http://www.w3.org/2001/XMLSchema#string">2024-09</ARI_AuthorDate>
   <ARI_SurveyCode rdf:datatype="http://www.w3.org/2001/XMLSchema#string">EMC</ARI_SurveyCode>
   <ARI_ChangeLog rdf:datatype="http://www.w3.org/2001/XMLSchema#string">2026-06-15 10:37 | Importer | Imported from ARI core reports</ARI_ChangeLog>
+  <ARI_ChangeLog rdf:datatype="http://www.w3.org/2001/XMLSchema#string">2026-08-21 17:35 | linikujp | Cross-reference review: confirmed MONDO 0007407; confirmed ORPHANET 91138</ARI_ChangeLog>
 </owl:NamedIndividual>
 
 <owl:NamedIndividual rdf:about="#Sym_0001090_824">
@@ -10713,6 +10715,7 @@ ASA is not a concern except for people trying to conceive.</rdfs:comment>
   <ARI_DefSource rdf:datatype="http://www.w3.org/2001/XMLSchema#string">1% of all cases of hemophilia B; NR</ARI_DefSource>
   <ARI_Version rdf:datatype="http://www.w3.org/2001/XMLSchema#string">2.1</ARI_Version>
   <ARI_ChangeLog rdf:datatype="http://www.w3.org/2001/XMLSchema#string">2026-06-15 10:37 | Importer | Imported from ARI core reports</ARI_ChangeLog>
+  <ARI_ChangeLog rdf:datatype="http://www.w3.org/2001/XMLSchema#string">2026-08-21 17:35 | linikujp | Cross-reference review: confirmed MONDO 0850054; confirmed ORPHANET 617930</ARI_ChangeLog>
 </owl:NamedIndividual>
 
 <owl:NamedIndividual rdf:about="https://diseases.autoimmuneregistry.org/disease/ARI_0001099">