ISRC DEF058100022
Verified recording
DEF058100022 is “Piano Sonata No. 2 in B-Flat Minor, Op. 35: II. Scherzo - Più lento - Tempo I” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe5e32449413b305377959b5ce0d6a76503a2df180ad8d639dfde8ceab2e1b866 and independently timestamped
in Bitcoin block 960105 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058100022.
Recording identifiers
- ISRC
- DEF058100022
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 35: II. Scherzo - Più lento - Tempo I
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe5e32449413b305377959b5ce0d6a76503a2df180ad8d639dfde8ceab2e1b866
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:35:17+00:00
- Bitcoin block
- 960105
- Canonical record hash
sha256:3f7528ca007158746a30c90b8e2cd96eec234dffd7c45894cb5e39742e9eab07- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058100022
- Bitcoin block existence check
- https://blockstream.info/api/block/960105
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 35: II. Scherzo - Più lento - Tempo I · Machine-readable JSON-LD