ISRC QM4TX1604920
Verified recording
QM4TX1604920 is “Improvisació llaüt” by Michaël Grébil,
registered on the CopyrightChains blockchain with CopyrightID
0x32e327743f361800d29bde4eb4f50c76d8f8489fd1a73aa697e24008be725cf5 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX1604920.
Recording identifiers
- ISRC
- QM4TX1604920
- Title
- Improvisació llaüt
- Artist
- Michaël Grébil
- CopyrightID (CopyrightChains transaction hash)
0x32e327743f361800d29bde4eb4f50c76d8f8489fd1a73aa697e24008be725cf5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:21c1461d656a26fcab10f9d01d445f5f371423467675f31740a34a9c5a29c9a7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX1604920
- Bitcoin block existence check
- https://blockstream.info/api/block/956304