ISRC QMZ621110033
Verified recording
QMZ621110033 is “Music from West Side Story” by Leonard Bernstein,
registered on the CopyrightChains blockchain with CopyrightID
0x1c9df97e465cf45165250b007492c713c7b32295f79b6e10bd749745217521d8 and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMZ621110033.
Recording identifiers
- ISRC
- QMZ621110033
- Title
- Music from West Side Story
- Artist
- Leonard Bernstein
- CopyrightID (CopyrightChains transaction hash)
0x1c9df97e465cf45165250b007492c713c7b32295f79b6e10bd749745217521d8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:d7c89e1e473fe63fdb2ab6dfb78dc56dee016e79f15428620adbc5fce51da083- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMZ621110033
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: Music from West Side Story · Machine-readable JSON-LD