verdict-attest

C2PA verdict attestation Tier A.

C2PA verdict attestation Tier A. POST raw asset bytes (max 25MB). Rubric runs Google Credentio validation in-sandbox, anchors the verdict to Hedera with ML-DSA-65 post-quantum signature. Durable proof asset X validated against C2PA Trust List Y at time T. Operated by Rubric Protocol.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.25 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0xab6731a0…5ab654ca

URL

https://rubric-protocol.com/v1/c2pa/verdict-attest

Seen

first 23 days ago · last 10 hr ago

56 free handshakes

Payment

Pays through

x402

Offered on?

algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, Base USDC, Solana

Listed on?

Base, Solana

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.718 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.282: 0.082 uncertain ? + 0.200 short ? · 0.082 to B

How the composite of 0.718 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
latency p95costs the most it answered as fast as its class	0.20	0.00	0.000		0.000	−0.200	0
liveness it answered at all	0.60	1.00	0.863		0.518	0	−0.082
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.718	gap to 1.000 = 0.282 · 0.200 short · 0.082 uncertain	0.718	−0.200	−0.082

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

The multiplication, written out

  0.200 × 0.000   latency p95    
+ 0.600 × 0.863   liveness       
+ 0.200 × 1.000   price stability
= 0.718           → UNRATED: 45 of 30 paid calls      weights 2026.09.6 · 45 samples · seed cap_01M27FXZFVZQJ92AABG9JSXS37|2026-08-31T07:16:19.254Z|2026.09.6

Verify it yourselfnpx teppi-check https://rubric-protocol.com/v1/c2pa/verdict-attestcurl -s https://api.teppi.xyz/v1/trust/cap_01M27FXZFVZQJ92AABG9JSXS37