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 11/04/2026 at 10:05 PM, included in the fingerprint of 11/04/2026.

Pick: #1026445Paid
Tipster: 3XT (@3XT)
Selection: Hidden: this is an unsettled paid pick. The fingerprint stores its hash; it can be checked once it settles.
Fingerprint of 11/04/2026: 776260ba 2bd643f2 28e0b22a 7037d358 0d261dd7 551099c0 eb3702b2 a5abf7c6
Pick leaf: 02051dfe 8ef27af5 b4f12823 0221275f 69b3842a 3853b8cf 68339aae 90d01fe1Position 503 of 551
Bitcoin seal: Anchored in Bitcoin block 974604. Download the .ots

Inclusion proof (10 steps)

1. right c2e956ba42936349b4301fcb32b185dca118d660a237566b2bffdc08aca29ca0
2. left ddaf58d1bbb104acb232b7c212439d24c6c29adc6e0ce80d379571e5a1d02cb8
3. left 7d9972a41ed1cc7255cb08871c0be1478b97baf9bcba49acec1c36f7f2ef24f1
4. right 0511b389b2d9658c3c04ebec18b076bda246e0596bd6be650303dacd35bd58d7
5. left e5bced16e5311b479e7db4eeca0cbd3271b502674c5ab08b02a6a523670b5240
6. left 308cc6e4ea2f742313d1bae9cd9d4793aee69042ef156ac44978acc5f838cb3d
7. left 86a70b8296a69156485abec51d459065ed430052b6a7a5bcb452e2d6da80a346
8. left 65fa157fbd106190d0ed05e1ae459e1d16957b9ce24527d1f2f785c8799e053c
9. left a950b903ce6e47809a18669239d6b56541e0de6b282b58e05619be7a01645d05
10. right 7ef8c65af8df9ced102e0bd680501dce64b45ab42772c5520c5fcf79df5426c9

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.