ISRC QZZ8A2409724
Verified recording
QZZ8A2409724 is “Lacrimosa Requiem - Mozart Classical Deep Sleep” by Classical Music For Relaxation,
registered on the CopyrightChains blockchain with CopyrightID
0xefd2897168d0bdacb7cefbb464e68f3428bcc50e92ae90db2eb7d69f2e6ab71a and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ8A2409724.
Recording identifiers
- ISRC
- QZZ8A2409724
- Title
- Lacrimosa Requiem - Mozart Classical Deep Sleep
- Artist
- Classical Music For Relaxation
- CopyrightID (CopyrightChains transaction hash)
0xefd2897168d0bdacb7cefbb464e68f3428bcc50e92ae90db2eb7d69f2e6ab71a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:6df096e1aa746a18d0a5621f720c5e89a9b86b4da7e102d715f53235b1a567f1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ8A2409724
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Lacrimosa Requiem - Mozart Classical Deep Sleep · Machine-readable JSON-LD