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
Likewhatyousee
Race
Newton Abbot · 3 July 2026 · 14:10
Product
Top Rated Today (Sly Man) · Top Rated — Top SR Ratings
Advised odds
5/4
Confidence
High (raw 159)
Prompt version
top_rated_v1_2026-07-08
Predicted at
2026-07-08T22:13:45.793912+01:00

Cryptographic Seal

Leaf hash
76349c3f2a7ce8d9c0bf035259078b2504298c5964c3f1ec4eef402f7146a90c
Your browser
Batch
13 July 2026 · 709 leafleaves · inspect batch →
Merkle root
eba1d4cb07b18df5f26ea6211dae664c2a8d9ce7bdcd95a3a7d9da03ed6cf62b
Your browser walk
On-chain
Off-chain verified. Anchoring on-chain is a separate, gas-gated step.

Signed

Saturday Racing Editorial Ledger

Committed 13 July 2026 at 22:10:28 BST

Certificate reference

#394

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":"2026-07-13T21:10:28Z","issuer":"saturday-racing.com","predicted_at":"2026-07-08T21:13:45Z","product":"top_rated","product_lane":"ratings_sr","race":{"course":"Newton Abbot","external_id":"rac_11987469","internal_id":2415,"race_date":"2026-07-03","race_time":"14:10"},"schema":"sr-pick-v1","selection":{"advised_odds":"5/4","confidence_final":"High","confidence_raw":"159","horse":"Likewhatyousee","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.

#PositionSibling hash
1 left 76319542947b119e53ce0a529ddc6dd656f4899fde822045beb7a86144f83ec4
2 left 1106c65e18063cc83f08c1758cf3e271ec2686f510b284bbdf136ebb35f026ff
3 right 3024a29abe52cb2b1b6659817ae9565649b9e01583d1417ef193e64d32e6d28a
4 left fa8d66fb4a16e5a39f9e86f04dd9d89e049a328c3dd225052cf06e1276099ae2
5 left 200f5868f8605f5ad05cb5d5a0f64bb9ef0d04aa83b4e59e3878109d60cf7510
6 right 11a3ade288925daffe08c7c49239d533eac4edd4330aa411ec5a586d3ef88887
7 left b20426c9805bd5f17d7d0c3747a91f6539d868cc80d6de1f3197b66c180d007b
8 right f1c99ba68a2d45d1bb79f40edc8b534afd41f7a23fe00327643be3c20b514374
9 left c1144f953d5061b1e3ec979350290e5e7106de524b96bf728133a9efff0efd59
10 right e25c8d2b935f54f140bee5f6c7b02a176294b2ed6153543d94a92504abeba294

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