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Ota Sign

Canonicalizes firmware hash, version, device model and minimum bootloader version, then produces a SHA-256 manifest digest and HMAC-SHA256 release tag using caller-supplied ephemeral key material. This is a symmetric integrity tag, not a vendor PKI signature or code-signing service.

POST https://iot.halowerk.com/v1/ota-sign

0.003 USDC on Base · payTo 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E

Status: unverified (probe-pending)

Settlement: direct to the seller's payTo — 0% HIVE402 take

Payment routes