ISRC RUA150700323
Verified recording
RUA150700323 is “Piano Concerto No. 1 in E Minor, Op. 11: III. Rondo vivace” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xc68fc461db106daa4039d4eb2f42191aab589f6d1c7124dc32842f7ddc2b3df2 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUA150700323.
Recording identifiers
- ISRC
- RUA150700323
- Title
- Piano Concerto No. 1 in E Minor, Op. 11: III. Rondo vivace
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xc68fc461db106daa4039d4eb2f42191aab589f6d1c7124dc32842f7ddc2b3df2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:6a1d0d45337151fc3f2c23e3368d1c9737e26e44efd2431d594beb4b2c8a7bd6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUA150700323
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Concerto No. 1 in E Minor, Op. 11: III. Rondo vivace · Machine-readable JSON-LD