diff --git a/table.csv b/table.csv
index 1e7409d..9acbe29 100644
--- a/table.csv
+++ b/table.csv
@@ -115,6 +115,7 @@ ws,                             multiaddr,      0x01dd,         permanent,
 wss,                            multiaddr,      0x01de,         permanent,
 p2p-websocket-star,             multiaddr,      0x01df,         permanent,
 http,                           multiaddr,      0x01e0,         draft,
+swhid-1-snp,                    ipld,           0x01f0,         draft,     SoftWare Heritage persistent IDentifier version 1 snapshot
 json,                           serialization,  0x0200,         permanent, JSON (UTF-8-encoded)
 messagepack,                    serialization,  0x0201,         draft,     MessagePack
 libp2p-peer-record,             libp2p,         0x0301,         permanent, libp2p peer record type