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
Duel Au Soleil
Race
Worcester · 1 July 2026 · 13:20
Product
Top Rated Today (Sly Man) · Top Rated — Top OR Ratings
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":"story_score","prompt_version":"top_rated_v1_2026-07-08"},"committed_at":"2026-07-13T21:10:28Z","issuer":"saturday-racing.com","predicted_at":"2026-07-08T21:13:46Z","product":"top_rated","product_lane":"ratings_or","race":{"course":"Worcester","external_id":"rac_11987300","internal_id":2318,"race_date":"2026-07-01","race_time":"13:20"},"schema":"sr-pick-v1","selection":{"advised_odds":"11/2","confidence_final":"High","confidence_raw":"112","horse":"Duel Au Soleil","position_claim":"win"}}
The Merkle proof
Each hop is a sibling hash. Your browser walks these from the leaf up to the root, hashing pairs at each step.