ISRC QZKU62000617
Verified recording
QZKU62000617 is “Respirar” by Grupo Sigma,
registered on the CopyrightChains blockchain with CopyrightID
0xaa2127c611b2b7d33aa7b374dcef628afe906b2b2e848d7fe25d88513a966a77 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZKU62000617.
Recording identifiers
- ISRC
- QZKU62000617
- Title
- Respirar
- Artist
- Grupo Sigma
- CopyrightID (CopyrightChains transaction hash)
0xaa2127c611b2b7d33aa7b374dcef628afe906b2b2e848d7fe25d88513a966a77
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:51ae58ad6effa547be480975d352e53d7a10c16ec5f5318ef5e8e2cab5bf702a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZKU62000617
- Bitcoin block existence check
- https://blockstream.info/api/block/957120