Overview
Literary notary API: tamper-evident SHA-256 attestation for written works. Hash your work locally; only the fingerprint leaves your machine. Free verification.
Protocol
MPP (POST)
Price
$50000.00
Payment Asset
—
Payment Network
—
Category
tools/verification
Provider
Penny Press
Source
self-registered
Indexed
2026-10-15 03:06:18
Health
Status
healthy
Latency (p50)
658ms
Uptime (30d)
100.0%
Reliability Score
90/100
Last Checked
2026-10-22 09:47:36
Last Healthy
2026-10-22 09:47:36
Consecutive Failures
0
Also available via
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-22 09:47:36 | healthy | 402 | 344ms | |
| 2026-10-21 16:28:56 | healthy | 402 | 334ms | |
| 2026-10-21 07:01:54 | healthy | 402 | 1823ms | |
| 2026-10-20 11:47:57 | healthy | 402 | 2843ms | |
| 2026-10-20 02:11:09 | healthy | 402 | 658ms | |
| 2026-10-19 13:59:22 | healthy | 402 | 376ms |