ISRC DEF056905280
Verified recording
DEF056905280 is “Nocturne No. 2 in E-Flat Major, Op. 9 (Arr. by Pierre Fournier)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe3df4bfbbc7e7a6141048d638a513f7070be0969b0556636fc3a2ceb18c40f6b and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056905280.
Recording identifiers
- ISRC
- DEF056905280
- Title
- Nocturne No. 2 in E-Flat Major, Op. 9 (Arr. by Pierre Fournier)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe3df4bfbbc7e7a6141048d638a513f7070be0969b0556636fc3a2ceb18c40f6b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:3b4fe94fb434dda24b31f1820b6d84979f8d042fe018ccac5aaa43ac6e8e1a60- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056905280
- Bitcoin block existence check
- https://blockstream.info/api/block/953528
Full record
Track page: Nocturne No. 2 in E-Flat Major, Op. 9 (Arr. by Pierre Fournier) · Machine-readable JSON-LD