ISRC QZHN52531680
Verified recording
QZHN52531680 is “Calibre 40” by Los Amigueros de la Sierra,
registered on the CopyrightChains blockchain with CopyrightID
0xdf139dcc3da3b49f656f94d41d3660584ecd804f0a85f0cb495f298e3e56898d and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52531680.
Recording identifiers
- ISRC
- QZHN52531680
- Title
- Calibre 40
- Artist
- Los Amigueros de la Sierra
- CopyrightID (CopyrightChains transaction hash)
0xdf139dcc3da3b49f656f94d41d3660584ecd804f0a85f0cb495f298e3e56898d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:bb2d012c038a4bfae31b1ce9f406a0ba49cb314f48a74424974dfb3e457c0a99- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52531680
- Bitcoin block existence check
- https://blockstream.info/api/block/960138