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