ISRC US4R31334337
Verified recording
US4R31334337 is “On the Beautiful Blue Danube Waltz, Op. 314” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0xd1c68195f1ea9d67b3bb563dd91b6691b46472866e581d26f6c4e1b2b4e74bc8 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/US4R31334337.
Recording identifiers
- ISRC
- US4R31334337
- Title
- On the Beautiful Blue Danube Waltz, Op. 314
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0xd1c68195f1ea9d67b3bb563dd91b6691b46472866e581d26f6c4e1b2b4e74bc8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:f0d494b101dfe0ecd29c7408151cbd29cb243e70766c282c912d17a2a02879c4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4R31334337
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: On the Beautiful Blue Danube Waltz, Op. 314 · Machine-readable JSON-LD