ISRC FRUM72300831
Verified recording
FRUM72300831 is “Nocturnes, Op. 27: No. 1 in C-Sharp Minor, Larghetto (Arr. for Cello and Piano by C. Thomas)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x68a4a65c22af0d4b87d1900271d44b40ed552f424b7825abb8e22abc78dba5b7 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM72300831.
Recording identifiers
- ISRC
- FRUM72300831
- Title
- Nocturnes, Op. 27: No. 1 in C-Sharp Minor, Larghetto (Arr. for Cello and Piano by C. Thomas)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x68a4a65c22af0d4b87d1900271d44b40ed552f424b7825abb8e22abc78dba5b7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:f1f294a4db00e4b020a5d93cff042dd6ffd480891cf12ca9ea63e1d18299c6a5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM72300831
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Nocturnes, Op. 27: No. 1 in C-Sharp Minor, Larghetto (Arr. for Cello and Piano by C. Thomas) · Machine-readable JSON-LD