Endpoint · evidencePOSTpenny-army-reference-mainnet.spruceboundgranitestudio.workers.dev /v1/compare-reference-metadata
Compare 1-10 DOI-bearing references against Crossref metadata: supplied title, ordered authors and/or year.
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Compare 1-10 DOI-bearing references against Crossref metadata: supplied title, ordered authors and/or year. Returns field agreements, discrepancies, ambiguities and provenance; does not verify scientific claims. 0.05 native USDC per completed batch on Base. Failed retrieval prevents settlement. Original-result recovery lasts 24 hours. No seller key for purchase/recovery. Valid payment, open session and capacity required. Examples are saved fixtures.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.05 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://penny-army-reference-mainnet.spruceboundgranitestudio.workers.dev/v1/compare-reference-metadata
Seen
first 14 days ago · last 11 days ago
18 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.487 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by liveness · gap to 1.000 is 0.513: 0.245 uncertain ? + 0.268 short ? · 0.163 to C
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.89 | 0.478 | 0.287 | −0.068 | −0.245 | |
| latency p95 it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.487 | gap to 1.000 = 0.513 · 0.268 short · 0.245 uncertain | 0.487 | −0.268 | −0.245 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.478 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.487 → UNRATED: 17 of 30 paid calls weights 2026.09.6 · 17 samples · seed cap_01M2Z12NJ92MNGV5C4Z2RCRVQ7|2026-08-30T04:52:53.478Z|2026.09.6
Verify it yourself
npx teppi-check https://penny-army-reference-mainnet.spruceboundgranitestudio.workers.dev/v1/compare-reference-metadatacurl -s https://api.teppi.xyz/v1/trust/cap_01M2Z12NJ92MNGV5C4Z2RCRVQ7