Endpoint · computePOSTmedien.halowerk.com /v1/c2pa-verify
Takes one media file by URL or inline base64 and reads its C2PA manifest store.
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Takes one media file by URL or inline base64 and reads its C2PA manifest store. The answer says whether a manifest is present at all, whether the cryptographic checks pass — every failing check is returned with its code and explanation, so a hash mismatch on the image data is distinguishable from a broken claim signature — who the signing certificate names as issuer, its serial number, the signing algorithm and the signing time, the chain of ingredients a derived file inherited from, and every…Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.002 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://medien.halowerk.com/v1/c2pa-verify
Seen
first 34 days ago · last 24 days ago
33 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Handshakescomputed 17 days ago
0.341 from 32 free handshakes over 30 days · UNRATED ?
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.34 | 0.170 | 0.102 | −0.394 | −0.104 | |
| latency p95 it answered as fast as its class |
0.20 | 0.29 | 0.195 | 0.039 | −0.141 | −0.020 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.341 | gap to 1.000 = 0.659 · 0.535 short · 0.124 uncertain | 0.341 | −0.535 | −0.124 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
BURN_INFREE_TIER_ONLY
Verify it yourself
npx teppi-check https://medien.halowerk.com/v1/c2pa-verifycurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5QFPTHPXB82H4ANJKTFB8