ISRC CAWK52491049
Verified recording
CAWK52491049 is “Frecuencia 639 Hz para Concentración y Motivación en el Estudio” by Concentración Música para Trabajar,
registered on the CopyrightChains blockchain with CopyrightID
0x45ec641a66a39f04d908549e9057f276d0524e59da5598a97d94a871ec2ba0a8 and independently timestamped
in Bitcoin block 959152 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAWK52491049.
Recording identifiers
- ISRC
- CAWK52491049
- Title
- Frecuencia 639 Hz para Concentración y Motivación en el Estudio
- Artist
- Concentración Música para Trabajar
- CopyrightID (CopyrightChains transaction hash)
0x45ec641a66a39f04d908549e9057f276d0524e59da5598a97d94a871ec2ba0a8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T16:23:52+00:00
- Bitcoin block
- 959152
- Canonical record hash
sha256:75e82e7036b0ce524db340708a3e9e77ab024f410c8273851431b19fd24ff3d1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAWK52491049
- Bitcoin block existence check
- https://blockstream.info/api/block/959152
Full record
Track page: Frecuencia 639 Hz para Concentración y Motivación en el Estudio · Machine-readable JSON-LD