ISRC US4R31015979
Verified recording
US4R31015979 is “On the Beautiful Blue Danube (An der schönen blauen Donau) Waltz Op. 314” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0x38d3ced83fb69b4297520c1f6d277fd48729ba53713f45fc845ab9263fbca1f0 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4R31015979.
Recording identifiers
- ISRC
- US4R31015979
- Title
- On the Beautiful Blue Danube (An der schönen blauen Donau) Waltz Op. 314
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0x38d3ced83fb69b4297520c1f6d277fd48729ba53713f45fc845ab9263fbca1f0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:29bf8efbc0f633025d56c5c6469d902dfbb971d943b786cdc596f8e716d2f2d7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4R31015979
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: On the Beautiful Blue Danube (An der schönen blauen Donau) Waltz Op. 314 · Machine-readable JSON-LD