diff --git a/operator/Cargo.lock b/operator/Cargo.lock
index 11d0ea0b..28aae80d 100644
--- a/operator/Cargo.lock
+++ b/operator/Cargo.lock
@@ -2425,6 +2425,7 @@ dependencies = [
  "pallet-mmr",
  "pallet-multisig",
  "pallet-offences",
+ "pallet-outbound-commitment-store",
  "pallet-parameters",
  "pallet-preimage",
  "pallet-scheduler",
@@ -7631,6 +7632,17 @@ dependencies = [
  "sp-staking",
 ]
 
+[[package]]
+name = "pallet-outbound-commitment-store"
+version = "0.1.0"
+dependencies = [
+ "frame-support",
+ "frame-system",
+ "parity-scale-codec",
+ "scale-info",
+ "sp-core",
+]
+
 [[package]]
 name = "pallet-parameters"
 version = "0.10.1"
diff --git a/operator/Cargo.toml b/operator/Cargo.toml
index fdefbf8c..713981c5 100644
--- a/operator/Cargo.toml
+++ b/operator/Cargo.toml
@@ -8,6 +8,7 @@ edition = "2021"
 [workspace]
 members = [
     "node",
+    "pallets/outbound-commitment-store",
     "pallets/ethereum-client",
     "pallets/inbound-queue-v2",
     "pallets/outbound-queue-v2",
@@ -28,6 +29,7 @@ datahaven-runtime = { path = "./runtime", default-features = false }
 datahaven-runtime-common = { path = "./runtime/common", default-features = false }
 dhp-bridge = { path = "./primitives/bridge", default-features = false }
 pallet-validator-set = { path = "./pallets/validator-set", default-features = false }
+pallet-outbound-commitment-store = { path = "./pallets/outbound-commitment-store", default-features = false }
 
 # Crates.io (wasm)
 alloy-core = { version = "0.8.15", default-features = false }
diff --git a/operator/pallets/outbound-commitment-store/Cargo.toml b/operator/pallets/outbound-commitment-store/Cargo.toml
new file mode 100644
index 00000000..69fbfe9d
--- /dev/null
+++ b/operator/pallets/outbound-commitment-store/Cargo.toml
@@ -0,0 +1,34 @@
+[package]
+name = "pallet-outbound-commitment-store"
+version = "0.1.0"
+description = "Pallet for storing the latest commitment hash from the outbound queue for cross-chain verification"
+authors = { workspace = true }
+edition = { workspace = true }
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+codec = { workspace = true, features = ["derive"] }
+scale-info = { workspace = true, features = ["derive"] }
+frame-support = { workspace = true }
+frame-system = { workspace = true }
+sp-core = { workspace = true }
+
+[features]
+default = ["std"]
+std = [
+    "codec/std",
+    "frame-support/std",
+    "frame-system/std",
+    "scale-info/std",
+    "sp-core/std",
+]
+try-runtime = [
+    "frame-support/try-runtime",
+    "frame-system/try-runtime",
+]
+runtime-benchmarks = [
+    "frame-support/runtime-benchmarks",
+    "frame-system/runtime-benchmarks",
+]
\ No newline at end of file
diff --git a/operator/pallets/outbound-commitment-store/src/lib.rs b/operator/pallets/outbound-commitment-store/src/lib.rs
new file mode 100644
index 00000000..be1f2fc9
--- /dev/null
+++ b/operator/pallets/outbound-commitment-store/src/lib.rs
@@ -0,0 +1,49 @@
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use frame_support::{pallet_prelude::*, traits::StorageVersion};
+use sp_core::H256;
+
+pub use pallet::*;
+
+/// Current storage version.
+const STORAGE_VERSION: StorageVersion = StorageVersion::new(1);
+
+/// A pallet for storing the latest commitment hash from the outbound queue.
+///
+/// This pallet provides a simple way to track the most recent commitment hash,
+/// which can be included in BEEFY MMR leaves for cross-chain verification.
+#[frame_support::pallet]
+pub mod pallet {
+    use super::*;
+
+    #[pallet::pallet]
+    #[pallet::storage_version(STORAGE_VERSION)]
+    pub struct Pallet<T>(_);
+
+    #[pallet::config]
+    pub trait Config: frame_system::Config {
+        type RuntimeEvent: From<Event<Self>> + IsType<<Self as frame_system::Config>::RuntimeEvent>;
+    }
+
+    #[pallet::storage]
+    #[pallet::getter(fn latest_commitment)]
+    pub type LatestCommitment<T> = StorageValue<_, H256, OptionQuery>;
+
+    #[pallet::event]
+    #[pallet::generate_deposit(pub(super) fn deposit_event)]
+    pub enum Event<T: Config> {
+        CommitmentStored { hash: H256 },
+    }
+}
+
+impl<T: Config> Pallet<T> {
+    pub fn store_commitment(commitment: H256) {
+        LatestCommitment::<T>::put(commitment);
+
+        Self::deposit_event(Event::CommitmentStored { hash: commitment });
+    }
+
+    pub fn get_latest_commitment() -> Option<H256> {
+        LatestCommitment::<T>::get()
+    }
+}
diff --git a/operator/runtime/Cargo.toml b/operator/runtime/Cargo.toml
index db1441d3..cf71f061 100644
--- a/operator/runtime/Cargo.toml
+++ b/operator/runtime/Cargo.toml
@@ -93,6 +93,7 @@ sp-version = { features = ["serde"], workspace = true }
 xcm = { workspace = true }
 xcm-builder = { workspace = true }
 xcm-executor = { workspace = true }
+pallet-outbound-commitment-store = { workspace = true }
 
 [build-dependencies]
 substrate-wasm-builder = { optional = true, workspace = true, default-features = true }
@@ -171,6 +172,7 @@ std = [
     "sp-transaction-pool/std",
     "sp-version/std",
     "substrate-wasm-builder",
+    "pallet-outbound-commitment-store/std",
 ]
 
 runtime-benchmarks = [
@@ -206,6 +208,7 @@ runtime-benchmarks = [
     "snowbridge-pallet-outbound-queue-v2/runtime-benchmarks",
     "sp-runtime/runtime-benchmarks",
     "snowbridge-pallet-system/runtime-benchmarks",
+    "pallet-outbound-commitment-store/runtime-benchmarks",
 ]
 
 try-runtime = [
@@ -243,6 +246,7 @@ try-runtime = [
     "snowbridge-pallet-outbound-queue-v2/try-runtime",
     "sp-runtime/try-runtime",
     "snowbridge-pallet-system/try-runtime",
+    "pallet-outbound-commitment-store/try-runtime",
 ]
 
 fast-runtime = [
diff --git a/operator/runtime/src/configs/mod.rs b/operator/runtime/src/configs/mod.rs
index 2e0bc284..005a5dad 100644
--- a/operator/runtime/src/configs/mod.rs
+++ b/operator/runtime/src/configs/mod.rs
@@ -28,10 +28,10 @@ mod runtime_params;
 use super::{
     deposit, AccountId, Babe, Balance, Balances, BeefyMmrLeaf, Block, BlockNumber,
     EthereumBeaconClient, EvmChainId, Hash, Historical, ImOnline, MessageQueue, Nonce, Offences,
-    OriginCaller, OutboundQueueV2, PalletInfo, Preimage, Runtime, RuntimeCall, RuntimeEvent,
-    RuntimeFreezeReason, RuntimeHoldReason, RuntimeOrigin, RuntimeTask, Session, SessionKeys,
-    Signature, System, Timestamp, ValidatorSet, EXISTENTIAL_DEPOSIT, SLOT_DURATION,
-    STORAGE_BYTE_FEE, SUPPLY_FACTOR, UNIT, VERSION,
+    OriginCaller, OutboundCommitmentStore, OutboundQueueV2, PalletInfo, Preimage, Runtime,
+    RuntimeCall, RuntimeEvent, RuntimeFreezeReason, RuntimeHoldReason, RuntimeOrigin, RuntimeTask,
+    Session, SessionKeys, Signature, System, Timestamp, ValidatorSet, EXISTENTIAL_DEPOSIT,
+    SLOT_DURATION, STORAGE_BYTE_FEE, SUPPLY_FACTOR, UNIT, VERSION,
 };
 use codec::{Decode, Encode};
 use datahaven_runtime_common::{
@@ -78,6 +78,7 @@ use snowbridge_outbound_queue_primitives::{
     v2::ConstantGasMeter,
     SendError, SendMessageFeeProvider,
 };
+use snowbridge_pallet_outbound_queue_v2::OnNewCommitment;
 use snowbridge_pallet_system::BalanceOf;
 use sp_consensus_beefy::{
     ecdsa_crypto::AuthorityId as BeefyId,
@@ -356,7 +357,7 @@ pub struct LeafExtraDataProvider;
 impl BeefyDataProvider<LeafExtraData> for LeafExtraDataProvider {
     fn extra_data() -> LeafExtraData {
         LeafExtraData {
-            extra: H256::zero(),
+            extra: OutboundCommitmentStore::get_latest_commitment().unwrap_or_default(),
         }
     }
 }
@@ -805,6 +806,13 @@ parameter_types! {
     pub EthereumNetwork: NetworkId = NetworkId::Ethereum { chain_id: 11155111 };
 }
 
+pub struct CommitmentHandler;
+impl OnNewCommitment for CommitmentHandler {
+    fn on_new_commitment(commitment: H256) {
+        OutboundCommitmentStore::store_commitment(commitment);
+    }
+}
+
 impl snowbridge_pallet_outbound_queue_v2::Config for Runtime {
     type RuntimeEvent = RuntimeEvent;
     type Hashing = Keccak256;
@@ -813,7 +821,7 @@ impl snowbridge_pallet_outbound_queue_v2::Config for Runtime {
     type Balance = Balance;
     type MaxMessagePayloadSize = ConstU32<2048>;
     type MaxMessagesPerBlock = ConstU32<32>;
-    type OnNewCommitment = ();
+    type OnNewCommitment = CommitmentHandler;
     type WeightToFee = IdentityFee<Balance>;
     type WeightInfo = ();
     type Verifier = EthereumBeaconClient;
@@ -860,3 +868,7 @@ pub mod benchmark_helpers {
         }
     }
 }
+
+impl pallet_outbound_commitment_store::Config for Runtime {
+    type RuntimeEvent = RuntimeEvent;
+}
diff --git a/operator/runtime/src/lib.rs b/operator/runtime/src/lib.rs
index 6117b170..a91b41fe 100644
--- a/operator/runtime/src/lib.rs
+++ b/operator/runtime/src/lib.rs
@@ -347,5 +347,7 @@ mod runtime {
 
     // ╔═══════════════════ DataHaven-specific Pallets ══════════════════╗
     // Start with index 100
+    #[runtime::pallet_index(100)]
+    pub type OutboundCommitmentStore = pallet_outbound_commitment_store;
     // ╚═══════════════════ DataHaven-specific Pallets ══════════════════╝
 }