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…

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.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.003 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x2880edff…771c4e5e

URL

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

Seen

first 29 days ago · last 4 days ago

53 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.573 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held back by sample size, not by the seller · gap to 1.000 is 0.427: 0.249 uncertain ? + 0.178 short ? · 0.077 to C

How the composite of 0.573 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	0.91	0.622		0.373	−0.054	−0.174
latency p95 it answered as fast as its class	0.20	0.38	0.000		0.000	−0.124	−0.076
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.573	gap to 1.000 = 0.427 · 0.178 short · 0.249 uncertain	0.573	−0.178	−0.249

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.600 × 0.622   liveness       
+ 0.200 × 0.000   latency p95    
+ 0.200 × 1.000   price stability
= 0.573           → UNRATED: 52 of 30 paid calls      weights 2026.09.6 · 52 samples · seed cap_01M1RDAEN4HZTQ5S98JS5N3M0K|2026-09-03T09:39:23.693Z|2026.09.6

Verify it yourselfnpx teppi-check https://iot.halowerk.com/v1/ota-signcurl -s https://api.teppi.xyz/v1/trust/cap_01M1RDAEN4HZTQ5S98JS5N3M0K