ISRC DEC989800333
Verified recording
DEC989800333 is “16 Waltzes, Op. 39 - For Piano Duet: 15. in A” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0xa1ff0adf34b01d58cf910c3096a4497f6bff89cedd9fd839507b0c7d0f24fcbb and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC989800333.
Recording identifiers
- ISRC
- DEC989800333
- Title
- 16 Waltzes, Op. 39 - For Piano Duet: 15. in A
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0xa1ff0adf34b01d58cf910c3096a4497f6bff89cedd9fd839507b0c7d0f24fcbb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:ec975892d1c128384e1b2409655ca2f01fee5731d965e0bf152ce9283134420f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC989800333
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: 16 Waltzes, Op. 39 - For Piano Duet: 15. in A · Machine-readable JSON-LD