ISRC DEF056800372
Verified recording
DEF056800372 is “Piano Concerto No. 1 in E Minor, Op. 11: II. Romance. Larghetto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x0a9cceb86c1e09a98acbd0558a5cfdcb2bda0c7d9aadf799aef572c64be42531 and independently timestamped
in Bitcoin block 960113 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056800372.
Recording identifiers
- ISRC
- DEF056800372
- Title
- Piano Concerto No. 1 in E Minor, Op. 11: II. Romance. Larghetto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x0a9cceb86c1e09a98acbd0558a5cfdcb2bda0c7d9aadf799aef572c64be42531
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:38:16+00:00
- Bitcoin block
- 960113
- Canonical record hash
sha256:21d92771fc6a420fd63f1e4bc51af05aba7467234614a61d9ea15fd52cec3881- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056800372
- Bitcoin block existence check
- https://blockstream.info/api/block/960113
Full record
Track page: Piano Concerto No. 1 in E Minor, Op. 11: II. Romance. Larghetto · Machine-readable JSON-LD