ISRC DEF059704562
Verified recording
DEF059704562 is “Piano Concerto No. 1 in E Minor, Op. 11: II. Romance (Larghetto)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xb248d9e6c9fe4dc2158e985cc0bb53b3f13842d4caeaad2361e518d965ec1b42 and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059704562.
Recording identifiers
- ISRC
- DEF059704562
- Title
- Piano Concerto No. 1 in E Minor, Op. 11: II. Romance (Larghetto)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xb248d9e6c9fe4dc2158e985cc0bb53b3f13842d4caeaad2361e518d965ec1b42
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:543e6f123a9c1d1ff79932dceb4f088dc27fc277dba0d747305bf0e232e39e57- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059704562
- Bitcoin block existence check
- https://blockstream.info/api/block/960240
Full record
Track page: Piano Concerto No. 1 in E Minor, Op. 11: II. Romance (Larghetto) · Machine-readable JSON-LD