ISRC UK2Y21309281
Verified recording
UK2Y21309281 is “Piano Concerto No. 1 in E Minor, Op. 11: II. Larghetto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x6ff4532f831a92be7da10004a5fad4d9325217bd96223ae05c213867ee8d12e4 and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21309281.
Recording identifiers
- ISRC
- UK2Y21309281
- Title
- Piano Concerto No. 1 in E Minor, Op. 11: II. Larghetto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x6ff4532f831a92be7da10004a5fad4d9325217bd96223ae05c213867ee8d12e4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:e61c9b627d5c797f4f4d0d516e1ac6d95837de84e181aedccfda34e8a74af871- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21309281
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Piano Concerto No. 1 in E Minor, Op. 11: II. Larghetto · Machine-readable JSON-LD