Source-Verified
This data snapshot is cryptographically authentic
Verified at
Captured 2026-10-12
Data Integrity
SHA-256 hash matches canonical form
The stored data produces exactly the same cryptographic fingerprint as when it was captured. Nothing has been altered.
Computed: 15d408920bed5149ecb7f33523c16114…
Cryptographic Signature
Ed25519 signature by FactGrid key
This snapshot was signed by FactGrid's private key (fg-ed25519-2026-04). The signature is mathematically valid.
Key ID: fg-ed25519-2026-04
Transparency Log
Sigstore Rekor inclusion proof
This snapshot is recorded in the public Sigstore Rekor append-only log at index 3237149229. This cannot be forged or deleted.
Log index: 3237149229
Canonical Hash (SHA-256)
This fingerprint uniquely identifies the exact data captured. Any change to even a single byte would produce a completely different hash.
Public Transparency Log
This snapshot is permanently recorded in the Sigstore Rekor public ledger — an open, immutable, append-only log.
Verify Locally
curl -s https://factgrid.org/api/v1/snapshots/15d408920bed5149ecb7f33523c16114f07f63a2b682012c7dcc813b91d0b121/verify
Run this command from any terminal to independently verify this snapshot. Returns a JSON report of all three verification checks.
Public Key Registry
FactGrid's signing public keys are published and can be independently verified by anyone.