ISRC DEF058031015
Verified recording
DEF058031015 is “16 Waltzes, Op. 39: 16. In C Sharp Minor” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x77d6ad7cbd1b3715bc5eadfa4356c07642a3b6820bccb621e75b4871c9ebd56d and independently timestamped
in Bitcoin block 960317 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058031015.
Recording identifiers
- ISRC
- DEF058031015
- Title
- 16 Waltzes, Op. 39: 16. In C Sharp Minor
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x77d6ad7cbd1b3715bc5eadfa4356c07642a3b6820bccb621e75b4871c9ebd56d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T21:35:24+00:00
- Bitcoin block
- 960317
- Canonical record hash
sha256:4abcf7683b1941f2da58696df785836b654993869f3b763d0cab011d59b3ae43- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058031015
- Bitcoin block existence check
- https://blockstream.info/api/block/960317
Full record
Track page: 16 Waltzes, Op. 39: 16. In C Sharp Minor · Machine-readable JSON-LD