Endpoint · evidencePOSTcrossref-work-by-doi.hergertsynthora.com/service

Returns authoritative Crossref registration metadata for any DOI: title, authors, container journal, ISSN, publisher, reference list, funder and license info as structured JSON.

Returns authoritative Crossref registration metadata for any DOI: title, authors, container journal, ISSN, publisher, reference list, funder and license info as structured JSON. A core keyless enrichment endpoint for autonomous research agents and agent-to-agent citation-verification and bibliographic pipelines. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.001 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x6d9f3184…97c7c167

URL

https://crossref-work-by-doi.hergertsynthora.com/service

Seen

first 15 days ago · last 7 days ago

20 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.387 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by liveness · gap to 1.000 is 0.613: 0.190 uncertain ? + 0.423 short ? · 0.063 to D

How the composite of 0.387 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	0.63	0.311		0.187	−0.223	−0.190
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		0.387	gap to 1.000 = 0.613 · 0.423 short · 0.190 uncertain	0.387	−0.423	−0.190

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

The multiplication, written out

  0.600 × 0.311   liveness       
+ 0.200 × 0.000   latency p95    
+ 0.200 × 1.000   price stability
= 0.387           → UNRATED: 20 of 30 paid calls      weights 2026.09.6 · 20 samples · seed cap_01M2X9HZCA0J38GPESKC1GAD0Q|2026-09-03T16:29:31.861Z|2026.09.6

Verify it yourselfnpx teppi-check https://crossref-work-by-doi.hergertsynthora.com/servicecurl -s https://api.teppi.xyz/v1/trust/cap_01M2X9HZCA0J38GPESKC1GAD0Q