ISRC DEF058231633
Verified recording
DEF058231633 is “Der Walzerprinz?” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x491c516d69470cfaf09ad6fe291adc7da779efeabbb0db554112da5a7817716d and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058231633.
Recording identifiers
- ISRC
- DEF058231633
- Title
- Der Walzerprinz?
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x491c516d69470cfaf09ad6fe291adc7da779efeabbb0db554112da5a7817716d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:88232cfb72dfdc4f6aeaa6109ab411f6fa58ae6c6dc77fa834f92b1b169631e9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058231633
- Bitcoin block existence check
- https://blockstream.info/api/block/960368