ISRC DEF059903211
Verified recording
DEF059903211 is “Piano Concerto No. 1 In E Minor, Op. 11: 1. Allegro maestoso” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x8e78dbb5e1c57ee156d0ddfc72c68cf174b733d9fa60c4327d2e84c218f5b621 and independently timestamped
in Bitcoin block 956312 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059903211.
Recording identifiers
- ISRC
- DEF059903211
- Title
- Piano Concerto No. 1 In E Minor, Op. 11: 1. Allegro maestoso
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x8e78dbb5e1c57ee156d0ddfc72c68cf174b733d9fa60c4327d2e84c218f5b621
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T05:09:12+00:00
- Bitcoin block
- 956312
- Canonical record hash
sha256:e3e6534e0f148f6d1e85c28c0f9378ee4aa7a09f35a250fe911b802d60c14770- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059903211
- Bitcoin block existence check
- https://blockstream.info/api/block/956312
Full record
Track page: Piano Concerto No. 1 In E Minor, Op. 11: 1. Allegro maestoso · Machine-readable JSON-LD