ISRC QMBZ92080081
Verified recording
QMBZ92080081 is “City of Stars - Arr. Jay Althouse” by Justin Hurwitz,
registered on the CopyrightChains blockchain with CopyrightID
0x79421a4e6dd495fce3cb70a20aa07bd7710141cac04886cba59ef9c5ff070c36 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/QMBZ92080081.
Recording identifiers
- ISRC
- QMBZ92080081
- Title
- City of Stars - Arr. Jay Althouse
- Artist
- Justin Hurwitz
- CopyrightID (CopyrightChains transaction hash)
0x79421a4e6dd495fce3cb70a20aa07bd7710141cac04886cba59ef9c5ff070c36
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:fcd36282b75b8c9da7e261d2a27653cbeac70e26990bc59ad2d7c5245867c1e6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ92080081
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: City of Stars - Arr. Jay Althouse · Machine-readable JSON-LD