Overview

Timestamp a file on Bitcoin by uploading it directly. File is hashed server-side, stored on Google Cloud, and anchored via OP_RETURN. POST {action: l402_timestamp, file_data: <base64>, filename: <name>} to certvera.com/api/l402. 30,000 sats via L402 (includes 5,000 sat upload surcharge). Max 25 MB. Supports PDF, images, and documents.

Protocol L402
Price $21.00
Payment Asset BTC
Payment Network Lightning
Category identity
Provider Paul
Source satring
Indexed 2026-03-17 18:59:38

Health

Status degraded
Latency (p50) 530ms
Uptime (30d) 100.0%
Reliability Score 75/100
Last Checked 2026-07-01 22:22:57
Last Healthy Never
Consecutive Failures 39

Macaroon Format

Format Not yet detected

Recent Health Checks

Time Status HTTP Latency Error
2026-07-01 22:22:57 degraded 403 589ms
2026-07-01 17:16:44 degraded 403 530ms
2026-07-01 11:14:55 degraded 403 503ms