ISRC QZKU62000411
Verified recording
QZKU62000411 is “A La Perfección” by Grupo Sigma,
registered on the CopyrightChains blockchain with CopyrightID
0x41553c5443b2ea9c52486d010d91f8c13a32cc00cd4a7014b2daea94d09bc7be and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZKU62000411.
Recording identifiers
- ISRC
- QZKU62000411
- Title
- A La Perfección
- Artist
- Grupo Sigma
- CopyrightID (CopyrightChains transaction hash)
0x41553c5443b2ea9c52486d010d91f8c13a32cc00cd4a7014b2daea94d09bc7be
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:4f8cbf7f101772180af913b2b778bc66f61b1db2ecaf2080a554f481ff0dd2d1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZKU62000411
- Bitcoin block existence check
- https://blockstream.info/api/block/960138