ISRC DEF057202221
Verified recording
DEF057202221 is “4 Ballades, Op. 10: No. 1 Andante - Allegro” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x3f572b43862404977fc038e8e678f7b3075c8a3901d1461d4091d4801a15c33e and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057202221.
Recording identifiers
- ISRC
- DEF057202221
- Title
- 4 Ballades, Op. 10: No. 1 Andante - Allegro
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x3f572b43862404977fc038e8e678f7b3075c8a3901d1461d4091d4801a15c33e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:1cc8b50b260e415ecd98ed0b34706b87175d12d745ad0bf0527a921220cb3add- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057202221
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: 4 Ballades, Op. 10: No. 1 Andante - Allegro · Machine-readable JSON-LD