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
Mojito Madness
Race
Redcar · 19 July 2026 · 13:53
Product
Top Rated Today (Sly Man) · Top Rated — Top Signals
Advised odds
13/8
Confidence
Speculative
Prompt version
top_rated_v1_2026-07-08
Predicted at
2026-07-19T09:41:27.125392+01:00

Cryptographic Seal

Leaf hash
8b6d8c846927dac725dabca4c9f7c3032b7787c0450408bee36b8d5cb9ebc6ac
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 19 July 2026 at 09:41:27 BST

Certificate reference

#1101

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":"story_score","prompt_version":"top_rated_v1_2026-07-08"},"committed_at":"2026-07-19T08:41:27Z","issuer":"saturday-racing.com","predicted_at":"2026-07-19T08:41:27Z","product":"top_rated","product_lane":"signals","race":{"course":"Redcar","external_id":"rac_13000003354","internal_id":3063,"race_date":"2026-07-19","race_time":"13:53"},"schema":"sr-pick-v1","selection":{"advised_odds":"13/8","confidence_final":"Speculative","confidence_raw":"","horse":"Mojito Madness","position_claim":"win"}}

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