ISRC US4R31334331
Verified recording
US4R31334331 is “Vienna Blood Waltz (Wiener Blut), Op. 354” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0xf81d15f2bd053e24dc727084193c1a64ebbc3f200f42db72d62b388f57c082cf and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4R31334331.
Recording identifiers
- ISRC
- US4R31334331
- Title
- Vienna Blood Waltz (Wiener Blut), Op. 354
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0xf81d15f2bd053e24dc727084193c1a64ebbc3f200f42db72d62b388f57c082cf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:b4a4a8eb9ab6482eb301545f28b08e7f598e4c3bc2161a834b5fbf7a3dcc8c4e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4R31334331
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Vienna Blood Waltz (Wiener Blut), Op. 354 · Machine-readable JSON-LD