ISRC FRUM72300317
Verified recording
FRUM72300317 is “Piano Sonata No. 2 in B-Flat Minor, Op. 35: III. Marche funèbre (Arr. Franchomme for 4 Cellos)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x6e58f5c8581231d9dc90ab0da798d7147d057161c1c3f39e81c0ea83c01568e6 and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM72300317.
Recording identifiers
- ISRC
- FRUM72300317
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 35: III. Marche funèbre (Arr. Franchomme for 4 Cellos)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x6e58f5c8581231d9dc90ab0da798d7147d057161c1c3f39e81c0ea83c01568e6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:59b55d8d876186c5231f75607b4416d536b91e1cf4e4174f2105636d4dcae61a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM72300317
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 35: III. Marche funèbre (Arr. Franchomme for 4 Cellos) · Machine-readable JSON-LD