ISRC DEF059903212
Verified recording
DEF059903212 is “Piano Concerto No. 1 in E minor, Op. 11: 2. Romance (Larghetto)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xbcce33ea76a52da037d05d89b5f5ba2085a88d53a86ffb593007c697c153912c and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059903212.
Recording identifiers
- ISRC
- DEF059903212
- Title
- Piano Concerto No. 1 in E minor, Op. 11: 2. Romance (Larghetto)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xbcce33ea76a52da037d05d89b5f5ba2085a88d53a86ffb593007c697c153912c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:ebd9650b0a6681607ee52fb421a6acc70a454bf1d81b7e7f7451e54439185d92- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059903212
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Piano Concerto No. 1 in E minor, Op. 11: 2. Romance (Larghetto) · Machine-readable JSON-LD