ISRC US5541302985

Verified recording

US5541302985 is “Lagoon Waltz, Op. 411” by Johann Strauss II, registered on the CopyrightChains blockchain with CopyrightID 0xf5630f11df9f2734a4ac5504786f6d0393ca44ccde903b4f2affd5a79b86e9bb and independently timestamped in Bitcoin block 960254 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5541302985.

Recording identifiers

ISRC
US5541302985
Title
Lagoon Waltz, Op. 411
Artist
Johann Strauss II
CopyrightID (CopyrightChains transaction hash)
0xf5630f11df9f2734a4ac5504786f6d0393ca44ccde903b4f2affd5a79b86e9bb

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T12:06:10+00:00
Bitcoin block
960254
Canonical record hash
sha256:c5ae60baa30bb1b0250c81a43e22887ff11bfc33d3d8ca7df8e8c58c4e0f5180
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5541302985
Bitcoin block existence check
https://blockstream.info/api/block/960254

Full record

Track page: Lagoon Waltz, Op. 411 · Machine-readable JSON-LD