diff --git a/tappsbt/decode_test.go b/tappsbt/decode_test.go
index 6afb0ceb0..5fac39287 100644
--- a/tappsbt/decode_test.go
+++ b/tappsbt/decode_test.go
@@ -3,19 +3,26 @@ package tappsbt
 import (
 	"bytes"
 	"encoding/base64"
+	"encoding/hex"
+	"os"
+	"path/filepath"
 	"reflect"
 	"strings"
 	"testing"
 
 	"github.com/lightninglabs/taproot-assets/address"
 	"github.com/lightninglabs/taproot-assets/asset"
+	"github.com/lightninglabs/taproot-assets/commitment"
 	"github.com/lightninglabs/taproot-assets/internal/test"
+	"github.com/lightninglabs/taproot-assets/mssmt"
 	"github.com/stretchr/testify/require"
 )
 
 var (
 	generatedTestVectorName = "psbt_encoding_generated.json"
 
+	packetHexFileName = filepath.Join(testDataFileName, "packet.hex")
+
 	allTestVectorFiles = []string{
 		generatedTestVectorName,
 		"psbt_encoding_error_cases.json",
@@ -220,3 +227,40 @@ func runBIPTestVector(t *testing.T, testVectors *TestVectors) {
 		})
 	}
 }
+
+// TestFileDecoding ensures that we can decode a vPSBT packet from a hex encoded
+// file. This is useful for quickly inspecting the contents of a packet while
+// debugging.
+func TestFileDecoding(t *testing.T) {
+	packetHex, err := os.ReadFile(packetHexFileName)
+	require.NoError(t, err)
+
+	packetBytes, err := hex.DecodeString(
+		strings.Trim(string(packetHex), "\n"),
+	)
+	require.NoError(t, err)
+
+	packet, err := NewFromRawBytes(bytes.NewReader(packetBytes), false)
+	require.NoError(t, err)
+
+	rootAsset := packet.Outputs[1].Asset
+	splitAsset := packet.Outputs[0].Asset
+	splitWitness := splitAsset.PrevWitnesses[0]
+
+	locator := &commitment.SplitLocator{
+		OutputIndex: splitAsset.OutputIndex,
+		AssetID:     splitAsset.Genesis.ID(),
+		ScriptKey:   asset.ToSerialized(splitAsset.ScriptKey.PubKey),
+		Amount:      splitAsset.Amount,
+	}
+	splitNoWitness := splitAsset.Copy()
+	splitNoWitness.PrevWitnesses[0].SplitCommitment = nil
+	splitLeaf, err := splitNoWitness.Leaf()
+	require.NoError(t, err)
+
+	verify := mssmt.VerifyMerkleProof(
+		locator.Hash(), splitLeaf, &splitWitness.SplitCommitment.Proof,
+		rootAsset.SplitCommitmentRoot,
+	)
+	require.True(t, verify)
+}
diff --git a/tappsbt/testdata/packet.hex b/tappsbt/testdata/packet.hex
new file mode 100644
index 000000000..2151c31f4
--- /dev/null
+++ b/tappsbt/testdata/packet.hex
@@ -0,0 +1 @@
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