ISRC ES5590400572
Verified recording
ES5590400572 is “Kuba, Bai Polita Dela! "Que Bonita Es Cuba"” by Laja, Eguren Eta Ziolar,
registered on the CopyrightChains blockchain with CopyrightID
0x98d364afe5bf4e081329ee03aa11ced1899ceefdcccc0189b575ad2d8be7fb26 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5590400572.
Recording identifiers
- ISRC
- ES5590400572
- Title
- Kuba, Bai Polita Dela! "Que Bonita Es Cuba"
- Artist
- Laja, Eguren Eta Ziolar
- CopyrightID (CopyrightChains transaction hash)
0x98d364afe5bf4e081329ee03aa11ced1899ceefdcccc0189b575ad2d8be7fb26
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:632a198d743e81ad500d598aa8951f54381d88436925b6f452a27b41bd91fabe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5590400572
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Kuba, Bai Polita Dela! "Que Bonita Es Cuba" · Machine-readable JSON-LD