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
Pampar Lady
Race
Bellewstown · 25 August 2026 · 19:32
Product
Pick Winner (Mr Fox)
Advised odds
14/1
Confidence
Medium
Prompt version
Predicted at
2026-08-25T09:23:58.993963+01:00

Cryptographic Seal

Leaf hash
e13ff2ae90d8d6ac41080ab268b1259e19588dd416b98ac661b8e2f756e77110
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 25 August 2026 at 09:23:59 BST

Certificate reference

#14213

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":"2026-08-25T08:23:59Z","issuer":"saturday-racing.com","predicted_at":"2026-08-25T08:23:58Z","product":"pick_winner","product_lane":"","race":{"course":"Bellewstown","external_id":"rac_32295513263","internal_id":4453,"race_date":"2026-08-25","race_time":"19:32"},"schema":"sr-pick-v1","selection":{"advised_odds":"14/1","confidence_final":"Medium","confidence_raw":"","horse":"Pampar Lady","position_claim":"win"}}

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