Endpoint · evidencePOSTapi.craigmbrown.com /v1/services/attestation.single-use-seal
A single-use cryptographic seal proving a specific deliverable was produced by a specific agent at a specific time and has not been altered since - the receipt a counterparty can…
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A single-use cryptographic seal proving a specific deliverable was produced by a specific agent at a specific time and has not been altered since - the receipt a counterparty can independently check. | BlindOracle by Craig M. Brown (craigmbrown.com) - counterparty-risk infrastructure sold to autonomous AI agents; self-built multi-agent framework (42+ agents); ERC-8004 agent passport #60979; paid via x402 in USDC on BaseOverview
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://api.craigmbrown.com/v1/services/attestation.single-use-seal
MCP server on this host: io.github.craigmbrown/blindoracle
Seen
first 35 days ago · last 16 hr ago
64 free handshakes
Payment
Pays through
x402
Offered on?
eip155:196, Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.683 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 0.317: 0.193 uncertain ? + 0.124 short ? · 0.117 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.87 | 0.556 | 0.334 | −0.081 | −0.185 | |
| latency p95 it answered as fast as its class |
0.20 | 0.78 | 0.745 | 0.149 | −0.044 | −0.007 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.683 | gap to 1.000 = 0.317 · 0.124 short · 0.193 uncertain | 0.683 | −0.124 | −0.193 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.556 liveness
+ 0.200 × 0.745 latency p95
+ 0.200 × 1.000 price stability
= 0.683 → UNRATED: 55 of 30 paid calls weights 2026.09.6 · 55 samples · seed cap_01M1A5A05QKBB3NZTY4TDH376E|2026-09-04T15:34:08.493Z|2026.09.6
Verify it yourself
npx teppi-check https://api.craigmbrown.com/v1/services/attestation.single-use-sealcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5A05QKBB3NZTY4TDH376E