ISRC DEF056800371
Verified recording
DEF056800371 is “Piano Concerto No. 1 in E Minor, Op. 11: I. Allegro maestoso” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x299151ae8c969a1b1d034ac8187648af7dc6281dbf910730ed04b6caa07ccff1 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056800371.
Recording identifiers
- ISRC
- DEF056800371
- Title
- Piano Concerto No. 1 in E Minor, Op. 11: I. Allegro maestoso
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x299151ae8c969a1b1d034ac8187648af7dc6281dbf910730ed04b6caa07ccff1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:7707cbd63a6dfd17abe3697cc45e87bd6382e45dd63e4c4b3ae2cd6fa743f7f1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056800371
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Concerto No. 1 in E Minor, Op. 11: I. Allegro maestoso · Machine-readable JSON-LD