ISRC QMBZ92099298
Verified recording
QMBZ92099298 is “Tema Principal La La Land - City of Stars - "La La Land"” by Justin Hurwitz,
registered on the CopyrightChains blockchain with CopyrightID
0x9de5fe9ed14e0de1b7f93abf85035972f8050b8a752b0ec01124c00384a90d26 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/QMBZ92099298.
Recording identifiers
- ISRC
- QMBZ92099298
- Title
- Tema Principal La La Land - City of Stars - "La La Land"
- Artist
- Justin Hurwitz
- CopyrightID (CopyrightChains transaction hash)
0x9de5fe9ed14e0de1b7f93abf85035972f8050b8a752b0ec01124c00384a90d26
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:265a1444e40c65cea88ed2e2abb1f1a9e75c0dd69334e08a5b530dbb597e8ff6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ92099298
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Tema Principal La La Land - City of Stars - "La La Land" · Machine-readable JSON-LD