ISRC QZKU62000066
Verified recording
QZKU62000066 is “El Cauteloso” by Grupo Sigma,
registered on the CopyrightChains blockchain with CopyrightID
0xd6800bbc8bb2e05482478c86108950e5d39ec349bc5bda1160bbab578ff804d9 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZKU62000066.
Recording identifiers
- ISRC
- QZKU62000066
- Title
- El Cauteloso
- Artist
- Grupo Sigma
- CopyrightID (CopyrightChains transaction hash)
0xd6800bbc8bb2e05482478c86108950e5d39ec349bc5bda1160bbab578ff804d9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:07c0bcd3a8014bc08aea67dbc92ad8bea93de45040c73f282c52dea8f3079b98- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZKU62000066
- Bitcoin block existence check
- https://blockstream.info/api/block/960284