ISRC DEC989800322
Verified recording
DEC989800322 is “16 Waltzes, Op. 39 - For Piano Duet: 4. in E minor” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x0529671895bebbac93c47ae35455408e6eb0f468be0358f8b0bb817a816df561 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC989800322.
Recording identifiers
- ISRC
- DEC989800322
- Title
- 16 Waltzes, Op. 39 - For Piano Duet: 4. in E minor
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x0529671895bebbac93c47ae35455408e6eb0f468be0358f8b0bb817a816df561
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:a6f88a869cbacce612cc0f365529ca4314f3b48dacdfedb110dc07f68d2a82bd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC989800322
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: 16 Waltzes, Op. 39 - For Piano Duet: 4. in E minor · Machine-readable JSON-LD