ISRC QZKU62000487
Verified recording
QZKU62000487 is “Recordar” by Grupo Sigma,
registered on the CopyrightChains blockchain with CopyrightID
0x183bc260d8b9ab76c6187bc082013c72942a27a5bc5c41188d6c4937448953b9 and independently timestamped
in Bitcoin block 960494 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZKU62000487.
Recording identifiers
- ISRC
- QZKU62000487
- Title
- Recordar
- Artist
- Grupo Sigma
- CopyrightID (CopyrightChains transaction hash)
0x183bc260d8b9ab76c6187bc082013c72942a27a5bc5c41188d6c4937448953b9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T01:44:32+00:00
- Bitcoin block
- 960494
- Canonical record hash
sha256:9511ac99975a01f6c600fb6d3acaf93dda4f4a4a4bf647f21566744d9d137fb9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZKU62000487
- Bitcoin block existence check
- https://blockstream.info/api/block/960494