ISRC USSM11305852
Verified recording
USSM11305852 is “Du und Du, Walzer, Op. 367” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0x34d97377dc1361f4ec8153f0f959995e66f33b99489eaf7da99eccdc3b898377 and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11305852.
Recording identifiers
- ISRC
- USSM11305852
- Title
- Du und Du, Walzer, Op. 367
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0x34d97377dc1361f4ec8153f0f959995e66f33b99489eaf7da99eccdc3b898377
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:2eaabdc5c1fba1100fd47a544040f2dc7c9a9e7c7205e45d6bb9426163d12360- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11305852
- Bitcoin block existence check
- https://blockstream.info/api/block/960344
Full record
Track page: Du und Du, Walzer, Op. 367 · Machine-readable JSON-LD