List of All Unique MT51s in an example Authentication Stack as defined in Section 2.5
| Unique MT51 Number | OTAR Payload Segment Content |
|---|---|
| 1 | AES-128 Key to decrypt receiver-stored Level-1 ECDSA Public Key |
| 2 | ECDSA Level-2 Public Key, Segment 1 |
| 3 | ECDSA Level-2 Public Key, Segment 2 |
| 4 | ECDSA Level-1 Signature of ECDSA Level-2 Public Key, Segment 1 |
| 5 | ECDSA Level-1 Signature of ECDSA Level-2 Public Key, Segment 2 |
| ⋮ | ⋮ |
| 11 | ECDSA Level-1 Signature of ECDSA Level-2 Public Key, Segment 8 |
| 12 | TESLA Hash Path End |
| 13 | ECDSA Level-2 Signature of TESLA Hash Path End, Segment 1 |
| 14 | ECDSA Level-2 Signature of TESLA Hash Path End, Segment 2 |
| 15 | ECDSA Level-2 Signature of TESLA Hash Path End, Segment 3 |
| 16 | ECDSA Level-2 Signature of TESLA Hash Path End, Segment 4 |
Note: This set is broadcast repeatedly by the Provider for cold-start receivers. A receiver must receive all of the unique MT51s to initiate authentication.