ISRC DEF056500611
Verified recording
DEF056500611 is “Piano Concerto No. 1 in E Minor, Op. 11: II. Romance. Larghetto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe7b7ad2cee343c44a161f27a797508ac1391c46090d48ff7f429d9242b842c53 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500611.
Recording identifiers
- ISRC
- DEF056500611
- Title
- Piano Concerto No. 1 in E Minor, Op. 11: II. Romance. Larghetto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe7b7ad2cee343c44a161f27a797508ac1391c46090d48ff7f429d9242b842c53
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:71cfad0496bbbe60e230355ef09c42b78106d2c0249923741b57003b1589c3ce- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500611
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Piano Concerto No. 1 in E Minor, Op. 11: II. Romance. Larghetto · Machine-readable JSON-LD