VERIFIED · SR-PICK-V1 · SATURDAY RACING · VERIFIED · SR-PICK-V1 ·
SR
AUTHENTICATED
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 Sugar Yes Please
Race Newbury · 9 July 2026 · 17:45
Product Pick Winner (Mr Fox)
Advised odds 13/8
Confidence Medium
Prompt version v3_b557cbd4
Predicted at 2026-07-08T19:00:54.407954+01:00
Cryptographic Seal
Leaf hash
6f12f4de4d018bc90db774da9ffc0a4c8548ac221456b6b74ed7978a0db0d5a7
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.
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":"llm","prompt_version":"v3_b557cbd4"},"committed_at":"2026-07-13T21:10:27Z","issuer":"saturday-racing.com","predicted_at":"2026-07-08T18:00:54Z","product":"pick_winner","product_lane":"","race":{"course":"Newbury","external_id":"rac_12018253","internal_id":2630,"race_date":"2026-07-09","race_time":"17:45"},"schema":"sr-pick-v1","selection":{"advised_odds":"13/8","confidence_final":"Medium","confidence_raw":"Medium","horse":"Sugar Yes Please","position_claim":"win"}}
Copy JSON
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.
# Position Sibling hash
1
left
6f0936000106699fedd1b80e400887c628832edb21236d6f1b335bb3f329b140
2
right
0273495336c9194aa7bd4c0bfd6611f855c321fe411e8724c21fe1f6d64cb919
3
right
cd8e485525486f30da292aa155f1e4f99ec27aff7bd4d9c1038d0a5bb77f6970
4
right
09181a3b616be26fd777ab06f7478c4d61af8911e4c1da467d5c39f85d7f8eba
5
right
c362f8f13d29a49f9fc723913698178dc30b6ecc7c385c0482b3e28c896819f8
6
right
11a3ade288925daffe08c7c49239d533eac4edd4330aa411ec5a586d3ef88887
7
left
b20426c9805bd5f17d7d0c3747a91f6539d868cc80d6de1f3197b66c180d007b
8
right
f1c99ba68a2d45d1bb79f40edc8b534afd41f7a23fe00327643be3c20b514374
9
left
c1144f953d5061b1e3ec979350290e5e7106de524b96bf728133a9efff0efd59
10
right
e25c8d2b935f54f140bee5f6c7b02a176294b2ed6153543d94a92504abeba294
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