Saturday Racing · The Transparency Ledger

Certificate of Pick Authentication

Issued under schema SR-PICK-V1

Verifying in your browser…
Hashing the pick's canonical bytes with your device's SHA-256.

This is to certify that the pick recorded below was cryptographically committed to Saturday Racing's transparency ledger before the race ran. The commitment is a SHA-256 leaf hash of the canonical bytes; any subsequent tampering breaks the hash and this certificate turns red. The check runs on the reader's own device — no trust required from us.

The Pick

Horse
Gilding The Lily
Race
Wolverhampton (AW) · 31 July 2026 · 14:00
Product
Pick Winner (Mr Fox)
Advised odds
10/3
Confidence
Medium
Prompt version
—
Predicted at
2026-07-31T09:15:36.012412+01:00

Cryptographic Seal

Leaf hash
4261f4d4d353ca78a86a6137d10c4d91874d92a88cf1607e3e66478504780a8f
Your browser
…
Batch
Not yet batched. The end-of-day Merkle tree hasn't assembled yet — the leaf hash above is nonetheless independently verifiable now.

Signed

Saturday Racing Editorial Ledger

Committed 31 July 2026 at 09:15:36 BST

Certificate reference

#10105

Technical appendix — canonical bytes & Merkle proof

The canonical bytes

This is the exact JSON that was hashed. Copy it, run sha256sum on it yourself, and you should get the leaf hash above.

{"attribution":{"pick_source":"fallback_api_error","prompt_version":""},"committed_at":"2026-07-31T08:15:36Z","issuer":"saturday-racing.com","predicted_at":"2026-07-31T08:15:36Z","product":"pick_winner","product_lane":"","race":{"course":"Wolverhampton (AW)","external_id":"rac_32292937053","internal_id":3535,"race_date":"2026-07-31","race_time":"14:00"},"schema":"sr-pick-v1","selection":{"advised_odds":"10/3","confidence_final":"Medium","confidence_raw":"","horse":"Gilding The Lily","position_claim":"win"}}

Server-reported status: not_yet_batched · Ledger overview at /verify/