diff --git a/Cargo.lock b/Cargo.lock
index 6c8ae86..bf67ece 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -142,6 +142,15 @@ version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "bstr"
 version = "1.9.1"
@@ -314,6 +323,15 @@ version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f"
 
+[[package]]
+name = "cpufeatures"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53fe5e26ff1b7aef8bca9c6080520cfb8d9333c7568e1829cef191a9723e5504"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "crossbeam-channel"
 version = "0.5.13"
@@ -379,6 +397,16 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
 [[package]]
 name = "datapod"
 version = "0.1.0"
@@ -392,6 +420,7 @@ dependencies = [
  "rayon",
  "semver",
  "serde",
+ "sha2",
  "thiserror",
  "toml",
 ]
@@ -400,6 +429,16 @@ dependencies = [
 name = "dataset"
 version = "0.1.0"
 
+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "block-buffer",
+ "crypto-common",
+]
+
 [[package]]
 name = "dyn-clone"
 version = "1.0.17"
@@ -470,6 +509,16 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ee1b05cbd864bcaecbd3455d6d967862d446e4ebfc3c2e5e5b9841e53cba6673"
 
+[[package]]
+name = "generic-array"
+version = "0.14.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.15"
@@ -1490,6 +1539,17 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "sha2"
+version = "0.10.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "simdutf8"
 version = "0.1.4"
@@ -1700,6 +1760,12 @@ dependencies = [
  "winnow",
 ]
 
+[[package]]
+name = "typenum"
+version = "1.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.12"
diff --git a/crates/datapod/Cargo.toml b/crates/datapod/Cargo.toml
index 95d3b5e..8fe4be7 100644
--- a/crates/datapod/Cargo.toml
+++ b/crates/datapod/Cargo.toml
@@ -15,6 +15,7 @@ polars.workspace = true
 rayon.workspace = true
 semver.workspace = true
 serde.workspace = true
+sha2 = "0.10.8"
 thiserror.workspace = true
 toml.workspace = true
 
diff --git a/crates/datapod/src/commands/index.rs b/crates/datapod/src/commands/index.rs
index 004d043..ae6846f 100644
--- a/crates/datapod/src/commands/index.rs
+++ b/crates/datapod/src/commands/index.rs
@@ -43,6 +43,7 @@ struct Row {
     idn: String,
     path: PathBuf,
     len: u64,
+    hash: String,
 }
 
 impl TryFrom<&PathBuf> for Row {
@@ -54,6 +55,7 @@ impl TryFrom<&PathBuf> for Row {
             idn: doc.idn(),
             path: path.into(),
             len: doc.len(),
+            hash: doc.hash(),
         })
     }
 }
@@ -89,12 +91,14 @@ pub(crate) fn execute(args: Index) -> DatapodResult<()> {
     let mut remote: Vec<&str> = vec![];
     let mut path: Vec<String> = vec![];
     let mut len: Vec<u64> = vec![];
+    let mut hash: Vec<String> = vec![];
 
     for row in rows.into_iter() {
         idn.push(row.idn);
         remote.push(&config.metadata.name);
         path.push(relpath(&row.path, base_dir));
         len.push(row.len);
+        hash.push(row.hash[0..12].to_string());
     }
 
     let mut df = DataFrame::new(vec![
@@ -102,6 +106,7 @@ pub(crate) fn execute(args: Index) -> DatapodResult<()> {
         Series::new("remote", remote),
         Series::new("path", path),
         Series::new("len", len),
+        Series::new("hash", hash),
     ])?;
 
     match args.output {
diff --git a/crates/datapod/src/document.rs b/crates/datapod/src/document.rs
index 1d0718d..9786f76 100644
--- a/crates/datapod/src/document.rs
+++ b/crates/datapod/src/document.rs
@@ -1,8 +1,10 @@
+use std::fmt::Write;
 use std::fs::File;
 use std::io::Read;
 use std::path::{Path, PathBuf};
 
 use bstr::BString;
+use sha2::{Digest, Sha256};
 
 use crate::error::DatapodResult;
 
@@ -33,15 +35,20 @@ impl Document {
     }
 
     /// Returns the length of the document in bytes.
-    ///
-    /// ```rust
-    /// use document_stats::Document;
-    ///
-    /// let doc = Document::new("a ∉ ℕ");
-    /// assert_eq!(doc.len(), 9);
-    /// ```
     #[inline]
     pub(crate) fn len(&self) -> u64 {
         self.buf.len() as u64
     }
+
+    /// Returns the SHA256 digest of the document.
+    pub(crate) fn hash(&self) -> String {
+        let mut hasher = Sha256::new();
+        hasher.update(&self.buf);
+
+        let hash = hasher.finalize();
+        hash.iter().fold(String::new(), |mut out, b| {
+            let _ = write!(out, "{b:02x}");
+            out
+        })
+    }
 }