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 Transcript
Race Killarney · 15 July 2026 · 18:30
Product Pick Winner (Mr Fox)
Advised odds 6/4
Confidence Medium
Prompt version —
Predicted at 2026-07-15T07:08:10.437412+01:00
Cryptographic Seal
Leaf hash
6ee83d7afbbbe0f07be8945817078f42304ff9ffb2fb006e6d51c113be56c87c
Your browser
…
Batch
15 July 2026 · 60 leafleaves
· inspect batch →
Merkle root
e4408eaba1df1a5c38c539864028dfae01482f63ce7383bbf8cabee5597ad9af
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":"fallback_api_error","prompt_version":""},"committed_at":"2026-07-15T06:08:10Z","issuer":"saturday-racing.com","predicted_at":"2026-07-15T06:08:10Z","product":"pick_winner","product_lane":"","race":{"course":"Killarney","external_id":"rac_13000000936","internal_id":2922,"race_date":"2026-07-15","race_time":"18:30"},"schema":"sr-pick-v1","selection":{"advised_odds":"6/4","confidence_final":"Medium","confidence_raw":"","horse":"Transcript","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
7c7ef41afe55dbc0d1724a3663206bba1889f1457d40b1c0d28c4bf51fe666e8
2
right
b3f885528d0d42e75da7a72e0a9a7c213fd7deaa69e0c1c14c64afe6b05b8314
3
right
2c74e9e1c20467898e71fb9965e5041664b9873ffcaa2490ec7b9a4b92d948a4
4
left
06bf6111858d941a85d3a71acd011426717213c4d844420904a164771112f1a3
5
left
f8e9ed95e02d6eeca5640914127c50ed23974ac9c957b8bc4831b728aababd9a
6
right
ddd2125ac2c0a6a67ecd0d29863265e6b24768d6958939fe937aafeb1b856e90
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