diff --git a/.nanpa/grid-lid-come.kdl b/.nanpa/grid-lid-come.kdl
new file mode 100644
index 0000000..535e1dd
--- /dev/null
+++ b/.nanpa/grid-lid-come.kdl
@@ -0,0 +1 @@
+patch type="fixed" "use birthtime instead of mtime"
diff --git a/go.mod b/go.mod
index 5d03c9b..fd7f547 100644
--- a/go.mod
+++ b/go.mod
@@ -4,6 +4,7 @@ go 1.23.4
 
 require (
 	git.sr.ht/~rockorager/vaxis v0.11.0
+	github.com/djherbis/times v1.6.0
 	github.com/dustin/go-humanize v1.0.1
 	github.com/yuin/goldmark v1.4.13
 )
diff --git a/go.sum b/go.sum
index 7d8ef1a..b6ad597 100644
--- a/go.sum
+++ b/go.sum
@@ -6,6 +6,8 @@ github.com/creack/pty v1.1.18 h1:n56/Zwd5o6whRC5PMGretI4IdRLlmBXYNjScPaBgsbY=
 github.com/creack/pty v1.1.18/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/djherbis/times v1.6.0 h1:w2ctJ92J8fBvWPxugmXIv7Nz7Q3iDMKNx9v5ocVH20c=
+github.com/djherbis/times v1.6.0/go.mod h1:gOHeRAz2h+VJNZ5Gmc/o7iD9k4wW7NMVqieYCY99oc0=
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
 github.com/mattn/go-runewidth v0.0.14 h1:+xnbZSEeDbOIg5/mE6JF0w6n9duR1l3/WmbinWVwUuU=
@@ -43,6 +45,7 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220615213510-4f61da869c0c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
diff --git a/ttbp/ttbp.go b/ttbp/ttbp.go
index 6753d93..798a0db 100644
--- a/ttbp/ttbp.go
+++ b/ttbp/ttbp.go
@@ -13,6 +13,7 @@ import (
 	"time"
 
 	"git.tilde.town/nbsp/neofeels/config"
+	"github.com/djherbis/times"
 	"github.com/yuin/goldmark"
 )
 
@@ -65,17 +66,24 @@ func GetUsers() (users []User) {
 			}
 
 			// get last published file
-			entries, err := os.ReadDir(path.Join("/home", user.Name(), ".ttbp/entries"))
+
+			entriesDir := path.Join("/home", user.Name(), ".ttbp/entries")
+			entries, err := os.ReadDir(entriesDir)
 			if err != nil {
 				continue
 			}
 			var lastPublished time.Time = *new(time.Time)
 			if len(entries) > 0 {
-				info, err := entries[len(entries)-1].Info()
+				file, err := os.Open(path.Join(entriesDir, entries[len(entries)-1].Name()))
 				if err != nil {
 					continue
 				}
-				lastPublished = info.ModTime()
+				defer file.Close()
+				timespec, err := times.StatFile(file)
+				if err != nil {
+					continue
+				}
+				lastPublished = timespec.BirthTime()
 			}
 
 			users = append(users, User{
@@ -155,7 +163,7 @@ func GetPostsForUser(user string) (posts []Post) {
 			}
 
 			// get modtime of file
-			stat, err := file.Stat()
+			timespec, err := times.StatFile(file)
 			if err != nil {
 				continue
 			}
@@ -181,7 +189,7 @@ func GetPostsForUser(user string) (posts []Post) {
 			posts = append([]Post{Post{
 				Author:     user,
 				Date:       fileDate,
-				LastEdited: stat.ModTime(),
+				LastEdited: timespec.BirthTime(),
 				Words:      count,
 				Nopub:      nopub,
 				HTML:       html,