Check a pick's record

Every day at 00:15 (Madrid time) we record every pick published the day before in a fingerprint: a hash tree whose root is sealed in Bitcoin with OpenTimestamps. Anyone can check that a pick existed that day with that content, and whether it was changed or deleted later.

Recorded and unchanged

Recorded on 10/20/2026 at 10:53 PM, included in the fingerprint of 10/20/2026.

Pick: #1017973Paid
Tipster: Victorio 🏓 (@victorio)
Event: Volodymyr Ivnytskyi - Denis Aldayev
Selection: Volodymyr Ivnytskyi · @1.8 · stake 2
Fingerprint of 10/20/2026: fee5d608 12e1df1a f2549fed 03934c00 3300641d a2e17946 3ef22d16 e44f7cc1
Pick leaf: 9339d48b bf5bbf44 f664adc4 6039cbbe c71e2711 403230a1 00897b76 4f45e645Position 531 of 561
Bitcoin seal: Anchored in Bitcoin block 972387. Download the .ots

Inclusion proof (7 steps)

1. right b61a1afcf8860319e8ae513aa899478caaed2829d7d5d35566b1b7e54b887fcc
2. left 750db71386acfeca5748dadbd4be0690792939d3fe6835f0293ccfdf0d4a8f00
3. right f716fdc35b9afa4a4f5856c8a1385a3308983ad5df6093cbec60e7e090d03936
4. right 3fb254aff132d12400c3a585f0eb1191bb4f0f94a20217660eea4134d317855a
5. left e04c60a2e0dcdaca2d295c33de8d591ddd7b77f3ef802054ec8cb2cee42a01ca
6. right 1a747371c725599eec4680ea2f564ae270f143368c3a358c17a418383c749140
7. left 4c781786a00e243c77fc5f4595aa2857401fb36d4816f4c6cf25c298f1e80e07

Recorded content:

["tipsterland-huella-pick",1,1017973,26032,"2026-10-20T20:53:10Z","Volodymyr Ivnytskyi - Denis Aldayev","2026-10-21T13:30:00Z","sha256:fe671a28a5bde16db74585dcdc5f0fce9e6f9b5c8d8cbd4bb9667860bf710305","1.8","2"]

Selection nonce: ba1bb02a40ced9add606e823d52103e2

How to check without trusting us: the leaf is SHA-256(0x00 + content) and each step SHA-256(0x01 + left + right). If the path reaches the root and the .ots verifies with the official OpenTimestamps client (ots verify), the pick was recorded that day. This proves when it was published and that it wasn't touched; it says nothing about whether the pick is good.