ISRC DEF058704930
Verified recording
DEF058704930 is “Kaiserwalzer, Op. 437 - Live at Musikverein, Vienna, 1987” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0xea0f820393715a08e1f00cbfa3af285b29f7a3dd806d99e022e42535ff868790 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058704930.
Recording identifiers
- ISRC
- DEF058704930
- Title
- Kaiserwalzer, Op. 437 - Live at Musikverein, Vienna, 1987
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0xea0f820393715a08e1f00cbfa3af285b29f7a3dd806d99e022e42535ff868790
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:c0fb68340ed8369647af2a7d65a8199769d04d7e603e97143f7c671906ab3f47- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058704930
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Kaiserwalzer, Op. 437 - Live at Musikverein, Vienna, 1987 · Machine-readable JSON-LD