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 10/21/2026 at 05:07 PM, included in the fingerprint of 10/21/2026.

Pick: #1018321
Tipster: roomprops (@roomprops)
Event: Varios(Foto)
Selection: Tapones · @1.78 · stake 2
Fingerprint of 10/21/2026: 38100063 3518c41b 66246297 9d3d6228 725b4d50 d2f82755 441cd2c1 50547cdf
Pick leaf: c072edde 61ff4f66 19e810b6 74c5b238 afcddfaf bcda0137 602636a5 02842c3fPosition 318 of 566
Bitcoin seal: Anchored in Bitcoin block 972546. Download the .ots

Inclusion proof (10 steps)

1. left 5ebb0207049f485af951695f637e56c4079db504e773347dde35a9b983ffef56
2. right 0f7ef4f790731877c69d754db37265dd341df98f41c59c7f709ae62daac9b09d
3. left bc0045b3012be012bdffc0b11ccacce3275f847fe9b87e657c4cd45de5761302
4. left 1b863db66765246a169f6493c6c2e828f96bcd04fc58fbb73bff26238249dd52
5. left f80806660e0408ee7b9b5e4d85cfcddff5e05ab6dfb564ab7063bc548fd1b58d
6. left 49359b482953e7e400d0b9deb4204d8945febc43f83399e14978a39a6a6a3284
7. right 10038ceb45dca5415f9fc632c86b39fb58292d1f192ae69090810dcc89341098
8. right 37e01a8d48291da7e2171d0e8deee9788d90ffba76ab25dba8052b46224fc985
9. left 98d1db6b1c9c4fb20b9b2044dbe1e1e95cdaeb6425571b283f52490bc6aa7f35
10. right 424c10d861f377e509c9378460ff93b4ff4def51014ff31de2e90f5359e9b29b

Recorded content:

["tipsterland-huella-pick",1,1018321,25992,"2026-10-21T15:07:52Z","Varios(Foto)","2026-10-21T15:07:52Z","Tapones","1.78","2"]

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.