Up-to-date hashes are now available from the Verify your Download section from the Installation documentation.
Freya 0.3.2
elementaryos-0.3.2-stable-i386.20151209.iso
sha256 97e143e762a1d1e3abac9eba33a59a7a6b9f319a7063cd47e406678c379fc683
elementaryos-0.3.2-stable-amd64.20151209.iso
sha256 ee737ffa6bf33b742c5a7cee17aa26dec5ee3b573cbbc4b53cbe2a2513c9197a
Freya 0.3.1
elementaryos-stable-0.3.1-i386.20150903.iso
sha256 75b6cf0afc8a8d46bdcd646d5f22aac0496c3dd7bf8eafb8897933bfb7048f22
elementaryos-stable-0.3.1-amd64.20150903.iso
sha256 ca0f5933231fc2d75ef4e82c177c8150a3def9ddb78db8f24da1c6a0c6037390
Freya 0.3
elementaryos-freya-amd64.20150411.iso
md5 742cc5b2c21bb1872954b13b7b2091a3
sha1 ff02eec5cba2c060fd3a5ac85b48d4075bb4f1a3
sha256 a7b8edfe95eb1c12745e02c63f830cad06ee756f552cba1cdca7bc30b7ca39e7
elementaryos-freya-i386.20150411.iso
md5 0ad75a048a89ee0bde5d7d333e5d5baf
sha1 4b82a9566c37464ca85eb29181e05cf538dd67f0
sha256 941ae370d27fe496fd10723a2803cfa52ddbce510ea502f20ec15a7127a68cab
Luna 0.2
elementaryos-stable-amd64.20130810.iso
md5 a9db612a2406da80dfe4750747c0aca3
sha1 55569accf98578e2c3daf25329421d0248281e61
sha256 bfd2d56ec2936e7634f466372be6c839af12a8f7df956c0989664dcf9029da18
elementaryos-stable-i386.20130810.iso
md5 b48b6841b920fd0d4bee67aa68de4da5
sha1 393c54cc91b57ee9133cae28ca0852080527656d
sha256 fb00edb0037e3ed6e4d15e035bd9e450e148c1aa18a15e26c839fb550e075051