ISRC QZEQU1903443
Verified recording
QZEQU1903443 is “La Cautiva (feat. Grupo Generación)” by Los Castillos,
registered on the CopyrightChains blockchain with CopyrightID
0x669d24164c81c53cd83a7aee34fb1a264fc17eb779c94b748c0337c9d41fdc1b and independently timestamped
in Bitcoin block 960300 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZEQU1903443.
Recording identifiers
- ISRC
- QZEQU1903443
- Title
- La Cautiva (feat. Grupo Generación)
- Artist
- Los Castillos
- CopyrightID (CopyrightChains transaction hash)
0x669d24164c81c53cd83a7aee34fb1a264fc17eb779c94b748c0337c9d41fdc1b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T19:42:40+00:00
- Bitcoin block
- 960300
- Canonical record hash
sha256:6c18ac90f4b6d183d2d76ae59d950db7dbcc8cebc73b079332f00702ac0adbc0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZEQU1903443
- Bitcoin block existence check
- https://blockstream.info/api/block/960300
Full record
Track page: La Cautiva (feat. Grupo Generación) · Machine-readable JSON-LD