ISRC DEF056805122
Verified recording
DEF056805122 is “Piano Concerto No. 1 in E Minor, Op. 11: II. Romance. Larghetto - Pt. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xb59e07bcb5fee4ad259d00edd86bfcb1cb37978fad0323853f70a4215a028984 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056805122.
Recording identifiers
- ISRC
- DEF056805122
- Title
- Piano Concerto No. 1 in E Minor, Op. 11: II. Romance. Larghetto - Pt. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xb59e07bcb5fee4ad259d00edd86bfcb1cb37978fad0323853f70a4215a028984
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:3a8b92dd8399f1022776ac8daf2738f2b792f85228673b68660f458c32998b93- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056805122
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Piano Concerto No. 1 in E Minor, Op. 11: II. Romance. Larghetto - Pt. 2 · Machine-readable JSON-LD