{"resource":"https://www.securaw.com/cryptovar/x402/delivery_proof","service":null,"areas":["other"],"answering":true,"http_status":402,"latency_ms":27,"price_usdc":0.05,"buyers_30d":1,"calls_30d":1,"description":"Register a file SHA-256 with Securaw/TimeChain2 and receive a downloadable OpenTimestamps proof directly binding its original bytes. ZIP includes .ots, metadata and independent-verification instructions. Hash only; no file upload. Initial r","id":"853136785fb9","category":"Developer tools and utilities","accuracy":null,"tool_calls":null,"checked_day":"2026-10-11","page":"https://velliumandco.com/sellers/853136785fb9"}