ISRC DEF057901262
Verified recording
DEF057901262 is “Piano Quintet in F minor, Op. 34: II. Andante, un poco adagio” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0xc63d0df17fec150bc7170817fcda0ce03d1f97aa1339f7e06346be44b2f82540 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/DEF057901262.
Recording identifiers
- ISRC
- DEF057901262
- Title
- Piano Quintet in F minor, Op. 34: II. Andante, un poco adagio
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0xc63d0df17fec150bc7170817fcda0ce03d1f97aa1339f7e06346be44b2f82540
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:b3e09d07f14c355d1f0245f3015ed5d1ad76f906fcef97707b0f016b5a2f28f4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057901262
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano Quintet in F minor, Op. 34: II. Andante, un poco adagio · Machine-readable JSON-LD