ISRC USA561381834
Verified recording
USA561381834 is “Kaiser Waltz, Op. 437” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0x02cdc5c59173b63092cb115de16f06514862002b41602aa030075c4965f3117f and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA561381834.
Recording identifiers
- ISRC
- USA561381834
- Title
- Kaiser Waltz, Op. 437
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0x02cdc5c59173b63092cb115de16f06514862002b41602aa030075c4965f3117f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:de3ff90d7da2b387aa520ae170c4f6624987c79047c21dc29f164fbda6a92f18- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA561381834
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Kaiser Waltz, Op. 437 · Machine-readable JSON-LD