ISRC FRUM71302184
Verified recording
FRUM71302184 is “Piano Sonata No. 2 in B-Flat Minor, Op. 35: 3. Marche funèbre (Lento)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xfa66127396fa4de6aef46b70bd19e89380b5a4ec4809aea7023d6f9c6ebd7060 and independently timestamped
in Bitcoin block 960236 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM71302184.
Recording identifiers
- ISRC
- FRUM71302184
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 35: 3. Marche funèbre (Lento)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xfa66127396fa4de6aef46b70bd19e89380b5a4ec4809aea7023d6f9c6ebd7060
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:37:10+00:00
- Bitcoin block
- 960236
- Canonical record hash
sha256:4e1f608602db692211eb2b0c815cc777b79efa49951dadab6d5a01fa7f101697- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM71302184
- Bitcoin block existence check
- https://blockstream.info/api/block/960236
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 35: 3. Marche funèbre (Lento) · Machine-readable JSON-LD