ISRC DEF056200992
Verified recording
DEF056200992 is “Piano Concerto No. 2 in F minor, Op. 21: 2. Larghetto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x1a5e833fc209b6a39f19786d335627ad257ab4e433e80710fe9e8273c70e4693 and independently timestamped
in Bitcoin block 960389 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056200992.
Recording identifiers
- ISRC
- DEF056200992
- Title
- Piano Concerto No. 2 in F minor, Op. 21: 2. Larghetto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x1a5e833fc209b6a39f19786d335627ad257ab4e433e80710fe9e8273c70e4693
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T10:20:10+00:00
- Bitcoin block
- 960389
- Canonical record hash
sha256:25d68f10c09940a0c413794f518cdf09c1170dad4a9d4abc7a05b7a747da45c1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056200992
- Bitcoin block existence check
- https://blockstream.info/api/block/960389
Full record
Track page: Piano Concerto No. 2 in F minor, Op. 21: 2. Larghetto · Machine-readable JSON-LD