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 10/17/2026 at 08:48 PM, included in the fingerprint of 10/17/2026.

Pick: #1015996
Tipster: 4SetPicks (@4SetPicks)
Event: P1 Milan
Selection: Lebron + 3.5 · @2 · stake 0.25
Fingerprint of 10/17/2026: 85fe3dbf 7cca5d19 a447c807 58423ff1 d391f435 ededf07c 45e986bd c93e4a86
Pick leaf: a16ea918 ef4d239f 5bd11e35 b333930a a1b8cf59 f646b0f2 f405a204 5c0e4b11Position 609 of 726
Bitcoin seal: Anchored in Bitcoin block 971914. Download the .ots

Inclusion proof (9 steps)

1. right cbea2a0039c4a783fe0052b714e1f07bd5f5af494c9f794f36fa0624450c69ce
2. right 71029a5dc8f205434984b98910340317ee4ab2630d0705d7679f0ef4979e24e6
3. right 6af692f9721f1dff3bd6699d516df2b7f0948e5b3da3a2cb5d349d5b4c58f4a6
4. right d69740faa2268f0adef8fd39c4ccfa0f5dbb0232e17b3fe34604618677b951eb
5. right feee0fbd711d6f75ebfd87af13a07ca1e4233a9b2c28fa1c68be75c3f7df8285
6. left dd36377095f0e48559ba388d9d630acd57ae2d36480a6527897219263dcc1780
7. left 13f4808e6d140d45b9ecbba2620b10789abfd2468ba9b2ce711beff75f8092ae
8. right 528e20542b4138a2b58ea62744d3fe8654e22e77734af595bf786e4732fb5ffe
9. left b0d0931662a433873034531628090cdd0d2e66eeaa858ed5095e954d0ab21941

Recorded content:

["tipsterland-huella-pick",1,1015996,23360,"2026-10-17T18:48:16Z","P1 Milan","2026-10-17T18:48:16Z","Lebron + 3.5","2","0.25"]

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.