ISRC FRUM72300834
Verified recording
FRUM72300834 is “4 Mazurkas, Op. 67: No. 4 in A Minor, Moderato animato (Arr. F. Kreisler) [Adapted for Cello and Piano by C. Thomas]” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x484cd6da312396c3a15f8a29836105831393d06bc50fcba5aa0f2c1816ffbad4 and independently timestamped
in Bitcoin block 960164 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM72300834.
Recording identifiers
- ISRC
- FRUM72300834
- Title
- 4 Mazurkas, Op. 67: No. 4 in A Minor, Moderato animato (Arr. F. Kreisler) [Adapted for Cello and Piano by C. Thomas]
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x484cd6da312396c3a15f8a29836105831393d06bc50fcba5aa0f2c1816ffbad4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:23:05+00:00
- Bitcoin block
- 960164
- Canonical record hash
sha256:13e5b82e7ffbf674ef40c597e8c6fdad573f778ab100c85b7bb53c9dda266eba- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM72300834
- Bitcoin block existence check
- https://blockstream.info/api/block/960164
Full record
Track page: 4 Mazurkas, Op. 67: No. 4 in A Minor, Moderato animato (Arr. F. Kreisler) [Adapted for Cello and Piano by C. Thomas] · Machine-readable JSON-LD