diff --git a/web/src/bus/testdata/vectors.json b/web/src/bus/testdata/vectors.json
new file mode 100644
index 0000000..38fd349
--- /dev/null
+++ b/web/src/bus/testdata/vectors.json
@@ -0,0 +1,38 @@
+{
+  "note": "Deterministic cross-language vectors for the unibus protocol. Generated by cmd/busvectors in the unibus repo; regenerate with `go run ./cmd/busvectors`. sealed_hex varies per run (anonymous sealed box); assert via OpenKeyBox.",
+  "endpoint_id": {
+    "sign_pub_hex": "03a107bff3ce10be1d70dd18e74bc09967e4d6309ba50d5f1ddc8664125531b8",
+    "endpoint_id": "Vkdap1RjR0wChd9dvyvKtz2mUTWIOem3dIGy6rEHcIw"
+  },
+  "sign": {
+    "sign_priv_hex": "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f03a107bff3ce10be1d70dd18e74bc09967e4d6309ba50d5f1ddc8664125531b8",
+    "sign_pub_hex": "03a107bff3ce10be1d70dd18e74bc09967e4d6309ba50d5f1ddc8664125531b8",
+    "message_hex": "756e696275732070617269747920766563746f72206d657373616765",
+    "sig_hex": "4cb94c5e3d81ac795e62e089b069c678a3ad3abdf67aed6daf84c023e77378a9c37e2c5b7350d2b129b7985dae132bdfe8b3e2d273d52b522a311131c62ec005"
+  },
+  "aead": {
+    "key_hex": "606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f",
+    "nonce_hex": "808182838485868788898a8b",
+    "aad_hex": "756e696275732d726f6f6d2d3432",
+    "plaintext_hex": "68656c6c6f2066726f6d2074686520627573",
+    "ciphertext_hex": "31a15f343585bd1831a35a43fdc974e87d5d76957284f13a1ffabdba78fe762ab7e4"
+  },
+  "keybox": {
+    "recipient_kex_pub_hex": "79a631eede1bf9c98f12032cdeadd0e7a079398fc786b88cc846ec89af85a51a",
+    "recipient_kex_priv_hex": "404142434445464748494a4b4c4d4e4f505152535455565758595a5b5c5d5e5f",
+    "secret_hex": "a0a1a2a3a4a5a6a7a8a9aaabacadaeafb0b1b2b3b4b5b6b7b8b9babbbcbdbebf",
+    "sealed_hex": "9d9a4950543fc7eab770fe2f28f257e4952ba00c6ddf60471bc42cb915b39d70dd04cc50e12a7942a60c3eec1168e89356fee6720c057c937e20f290b0f0050bbc08a75a9877a4d071d09008e0524c2b"
+  },
+  "frame": {
+    "type": 0,
+    "subject": "room.parity",
+    "sender": "Vkdap1RjR0wChd9dvyvKtz2mUTWIOem3dIGy6rEHcIw",
+    "msg_id": "01HZY0VECTORFIXEDULID0001",
+    "epoch": 1,
+    "nonce_hex": "808182838485868788898a8b",
+    "payload_hex": "31a15f343585bd1831a35a43fdc974e87d5d76957284f13a1ffabdba78fe762ab7e4",
+    "wire_b64": "eyJ0IjowLCJzIjoicm9vbS5wYXJpdHkiLCJmcm9tIjoiVmtkYXAxUmpSMHdDaGQ5ZHZ5dkt0ejJtVVRXSU9lbTNkSUd5NnJFSGNJdyIsImlkIjoiMDFIWlkwVkVDVE9SRklYRURVTElEMDAwMSIsImUiOjEsIm4iOiJnSUdDZzRTRmhvZUlpWXFMIiwicCI6Ik1hRmZORFdGdlJneG8xcEQvY2wwNkgxZGRwVnloUEU2SC9xOXVuaitkaXEzNUE9PSIsInNpZyI6IkZOTDFhak0yZFA2c3J5WENyMmoxOVNCVS9rT29MUEpUR2gzNGpuK3pTMVdrV1JPa1ZhTTlXU042WnFrSW1BUjluSGNHYXo4VnJJL3dSMzAyNWFLbkRRPT0ifQ==",
+    "signing_bytes_b64": "eyJ0IjowLCJzIjoicm9vbS5wYXJpdHkiLCJmcm9tIjoiVmtkYXAxUmpSMHdDaGQ5ZHZ5dkt0ejJtVVRXSU9lbTNkSUd5NnJFSGNJdyIsImlkIjoiMDFIWlkwVkVDVE9SRklYRURVTElEMDAwMSIsImUiOjEsIm4iOiJnSUdDZzRTRmhvZUlpWXFMIiwicCI6Ik1hRmZORFdGdlJneG8xcEQvY2wwNkgxZGRwVnloUEU2SC9xOXVuaitkaXEzNUE9PSJ9",
+    "sig_hex": "14d2f56a333674feacaf25c2af68f5f52054fe43a82cf2531a1df88e7fb34b55a45913a455a33d59237a66a90898047d9c77066b3f15ac8ff0477d36e5a2a70d"
+  }
+}