ISRC FRUM72300833
Verified recording
FRUM72300833 is “Nocturne in E Minor, Op. posth. 72 No. 1 (Arr. for Cello and Piano by S. Taneyev)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x597657ddefd1467596781d4f21cb7e7a30da1d17890b379b0996986cd7c47a59 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/FRUM72300833.
Recording identifiers
- ISRC
- FRUM72300833
- Title
- Nocturne in E Minor, Op. posth. 72 No. 1 (Arr. for Cello and Piano by S. Taneyev)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x597657ddefd1467596781d4f21cb7e7a30da1d17890b379b0996986cd7c47a59
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1981a82bf54665c4ba91d694797dc9365df18477138dd1baef2446db11411a93- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM72300833
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Nocturne in E Minor, Op. posth. 72 No. 1 (Arr. for Cello and Piano by S. Taneyev) · Machine-readable JSON-LD