ISRC DEF057100554
Verified recording
DEF057100554 is “Piano Sonata No. 2 in G Minor, Op. 22: IV. Rondo. Presto” by Robert Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0xb69188ea335033d1c7fbb8c4dadb966260803b55f1b0aeec642a9ac6968e67ea and independently timestamped
in Bitcoin block 960209 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057100554.
Recording identifiers
- ISRC
- DEF057100554
- Title
- Piano Sonata No. 2 in G Minor, Op. 22: IV. Rondo. Presto
- Artist
- Robert Schumann
- CopyrightID (CopyrightChains transaction hash)
0xb69188ea335033d1c7fbb8c4dadb966260803b55f1b0aeec642a9ac6968e67ea
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:15:54+00:00
- Bitcoin block
- 960209
- Canonical record hash
sha256:e5834c0f2ae1c720cde77d35da7e6bcf227c5106fb041ace03bf51f1f322336a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057100554
- Bitcoin block existence check
- https://blockstream.info/api/block/960209
Full record
Track page: Piano Sonata No. 2 in G Minor, Op. 22: IV. Rondo. Presto · Machine-readable JSON-LD