ToolAssay

Register a file SHA-256 with Securaw/TimeChain2 and receive a downloadable OpenT

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 receipt is NOT Bitcoin confirmed. Check the status link for later anchoring; no guaranteed deadline, authorship or content-truth certification. Idempotency-Key required.

Not tested: has real-world effectsour last check, 2026-09-28
0 of 0checks answered this week
n/amedian answer time
$0.05listed price per call
n/aprice it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

POST https://www.securaw.com/cryptovar/x402/delivery_proof

CategoryEverything else
Provider hostwww.securaw.com
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days1 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

We never call tools that send, buy, move money or file anything, not even without paying.

Example input (from the provider)

{
  "body": {
    "parameters": {
      "sha256": "1aa02dbff8eca9062771ff32967ce149ae1f3f837de31e214ae417eed4ebb6e2"
    },
    "service": "delivery_proof"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "additionalProperties": false,
          "description": "JSON request envelope. Numeric inputs must be JSON numbers. Unknown fields are rejected. Idempotency-Key header required for paid requests.",
          "properties": {
            "parameters": {
              "additionalProperties": false,
              "properties": {
                "sha256": {
                  "description": "Lowercase SHA-256 of exact original bytes, computed locally. No filename or private content.",
                  "pattern": "^[0-9a-f]{64}$",
                  "title": "Sha256",
                  "type": "string"
                }
              },
              "required": [
                "sha256"
              ],
              "title": "DeliveryInput",
              "type": "object"
            },
            "service": {
              "enum": [
                "delivery_proof"
              ],
              "type": "string"
            }
          },
          "required": [
            "service",
            "parameters"
          ],
          "type": "object"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "result": {
              "type": "object"
            },
            "service": {
              "const": "delivery_proof"
            }
          },
          "required": [
            "service",
            "result"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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