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 Quick Sharpener
Race Worcester · 1 July 2026 · 13:20
Product Top Rated Today (Sly Man) · Top Rated — Top OR Ratings
Advised odds 14/1
Confidence High (raw 112)
Prompt version top_rated_v1_2026-07-08
Predicted at 2026-07-08T22:13:46.022629+01:00
Cryptographic Seal
Leaf hash
1a81524a3536c271aed57b8c5bffa6ce676b36c4f5c6184f5528c07739e4b832
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":"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":"14/1","confidence_final":"High","confidence_raw":"112","horse":"Quick Sharpener","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
right
1aaf156f5493c6c779bb4c30fb505ffce77577f3230d1e7a93b5a66f1ccacc4e
2
right
3d50d6c80fef5103231a7b45e696c3d97da74c2f41c10dbef32d51c6bb23f000
3
right
0808535966d99dc8abfc3c06aada6ccdc269fb72a675f4d938124e7335ee5910
4
left
cb965d39edccaad50aba915c924aa7500546c05164d6d61fba81690d2a445ca2
5
left
62315c85243320991c5085b922e30fc067435bbc3350b83dd5a5a1778045c268
6
right
9bf4f078d9681658c6a8e3b6821b776c17a3347c9178f3ba02ba1f2792cfe5c4
7
left
0af567e55c1ca3698f0d247913af3961bd1e207eb3c7b8dd318659719ff7e32e
8
right
7f26ee208367c64ad8017566de1de4e6ffc26d447963c5f0ab2e3225cec0656b
9
right
a37bae6f6b56af99833b4e131855bb087cd4e3a90918a4dfd59d83ac87f8f303
10
right
e25c8d2b935f54f140bee5f6c7b02a176294b2ed6153543d94a92504abeba294
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