ISRC QMBZ92267605
Verified recording
QMBZ92267605 is “Siempre” by Juan Bau,
registered on the CopyrightChains blockchain with CopyrightID
0x4cf18654c7116aefdb0bd8fc224d579b06e54e91fccfb89787c73203a9654042 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ92267605.
Recording identifiers
- ISRC
- QMBZ92267605
- Title
- Siempre
- Artist
- Juan Bau
- CopyrightID (CopyrightChains transaction hash)
0x4cf18654c7116aefdb0bd8fc224d579b06e54e91fccfb89787c73203a9654042
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:5baeee328c0ce40c4b58438bfd7e80baa5a231a831fd4ff91acfc41bb338980f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ92267605
- Bitcoin block existence check
- https://blockstream.info/api/block/957118