ISRC QZES71923850
Verified recording
QZES71923850 is “El dulcero” by Grupo Marca Registrada,
registered on the CopyrightChains blockchain with CopyrightID
0xf8f7e38c8da146673ad2eb6864e4dd39b4b4586112aa4e93b69e21949ef01ce8 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES71923850.
Recording identifiers
- ISRC
- QZES71923850
- Title
- El dulcero
- Artist
- Grupo Marca Registrada
- CopyrightID (CopyrightChains transaction hash)
0xf8f7e38c8da146673ad2eb6864e4dd39b4b4586112aa4e93b69e21949ef01ce8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:4a04c8913a8c001d3c1b060369a5f4ebcc5be0d3d51b420d8998b9e400d94157- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES71923850
- Bitcoin block existence check
- https://blockstream.info/api/block/953520