ISRC DEF058231832
Verified recording
DEF058231832 is “Der Walzerkönig” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0x0997cbfc260d18e729ef7ddeba88fc24d17b2f1e3a5422d5e5cc34de12eb5d74 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/DEF058231832.
Recording identifiers
- ISRC
- DEF058231832
- Title
- Der Walzerkönig
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0x0997cbfc260d18e729ef7ddeba88fc24d17b2f1e3a5422d5e5cc34de12eb5d74
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:81a5f84821a4ffc5a66896f1268598c1acc8250424195547afda028d4663a4d6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058231832
- Bitcoin block existence check
- https://blockstream.info/api/block/957118