VERIFIED · SR-PICK-V1 · SATURDAY RACING · VERIFIED · SR-PICK-V1 ·
SR
AUTHENTICATED
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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 Chanceawetmorning
Race Downpatrick · 14 June 2026 · 15:20
Product Horses to Watch (Sly Man)
Advised odds 2/1
Confidence Medium
Prompt version htw_backfill_v1
Predicted at 2026-07-07T09:56:14.534124+01:00
Cryptographic Seal
Leaf hash
5b8c1bcd282daf90218136eede8166f2506dc8bb906256ecfc886efc538dc137
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":"htw_backfill_v1"},"committed_at":"2026-07-13T21:10:28Z","issuer":"saturday-racing.com","predicted_at":"2026-07-07T08:56:14Z","product":"horses_to_watch","product_lane":"","race":{"course":"Downpatrick","external_id":"rac_11995061","internal_id":1664,"race_date":"2026-06-14","race_time":"15:20"},"schema":"sr-pick-v1","selection":{"advised_odds":"2/1","confidence_final":"Medium","confidence_raw":"","horse":"Chanceawetmorning","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
5b4c1dcf188ea4d56f37478d19e6a3a3ab23bedbf2957e03a4e4fa835968e133
2
right
112481ad3e80690b9706e824156662e74e5edc620f3cc85699cc4f24d4231b01
3
right
0b3db9ac557c33200a5d973a65efdcac6e037a0a1b7c4093eacb4c0963ed2b24
4
right
4f7897f3beda8edb1f138311e21961d400d25f7301de23d6669621d1d562cbbb
5
right
a817cebd9cd1e54aa4f738cd5a6c4ec96b0ce795547df80429e8cacd7ead0513
6
right
0a5bb34874ff669c5cf989b9de5608e66f456e8a2c0e4549102b83804e867c02
7
right
2cc9e7f1f0b7c3ec0e9bb3fdcf68995f9a6e05667eb83c69c735851531edb0da
8
right
f1c99ba68a2d45d1bb79f40edc8b534afd41f7a23fe00327643be3c20b514374
9
left
c1144f953d5061b1e3ec979350290e5e7106de524b96bf728133a9efff0efd59
10
right
e25c8d2b935f54f140bee5f6c7b02a176294b2ed6153543d94a92504abeba294
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