ISRC GBUM70703765
Verified recording
GBUM70703765 is “Sunset Boulevard - Original 1993 London Cast Recording” by Andrew Lloyd Webber,
registered on the CopyrightChains blockchain with CopyrightID
0x9821ed575ca7bb5865ca17c62db3b2d7d1e59d2512ede182016e6c395d25ed69 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM70703765.
Recording identifiers
- ISRC
- GBUM70703765
- Title
- Sunset Boulevard - Original 1993 London Cast Recording
- Artist
- Andrew Lloyd Webber
- CopyrightID (CopyrightChains transaction hash)
0x9821ed575ca7bb5865ca17c62db3b2d7d1e59d2512ede182016e6c395d25ed69
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:0526ed2ee588441bd44d846f1ef51909d941285db6da788ce8cb24b1c898c4fd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM70703765
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Sunset Boulevard - Original 1993 London Cast Recording · Machine-readable JSON-LD