ISRC DEF056805123
Verified recording
DEF056805123 is “Piano Concerto No. 1 in E Minor, Op. 11: II. Romance. Larghetto - Pt. 3” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xfca2353c8a71bd0f2da4cdf822041cc0c709a52d765034447a8eae7c846fd917 and independently timestamped
in Bitcoin block 957073 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056805123.
Recording identifiers
- ISRC
- DEF056805123
- Title
- Piano Concerto No. 1 in E Minor, Op. 11: II. Romance. Larghetto - Pt. 3
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xfca2353c8a71bd0f2da4cdf822041cc0c709a52d765034447a8eae7c846fd917
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T18:39:05+00:00
- Bitcoin block
- 957073
- Canonical record hash
sha256:afa26ece54c01075c3fec4e0868147ed108f06e8799fad8f0ab040ac31d741e7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056805123
- Bitcoin block existence check
- https://blockstream.info/api/block/957073
Full record
Track page: Piano Concerto No. 1 in E Minor, Op. 11: II. Romance. Larghetto - Pt. 3 · Machine-readable JSON-LD