ISRC FRZ111001612
Verified recording
FRZ111001612 is “Chopin: Piano Sonata No. 2 in B-Flat Minor, Op. 35 "Funeral March": III. Marche funèbre. Lento” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xb0487eff72c6a2cdfb90626568cd7859a645b0108d13570e44504f8e46ffa710 and independently timestamped
in Bitcoin block 960181 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001612.
Recording identifiers
- ISRC
- FRZ111001612
- Title
- Chopin: Piano Sonata No. 2 in B-Flat Minor, Op. 35 "Funeral March": III. Marche funèbre. Lento
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xb0487eff72c6a2cdfb90626568cd7859a645b0108d13570e44504f8e46ffa710
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:53:20+00:00
- Bitcoin block
- 960181
- Canonical record hash
sha256:ad89f083f609f1907d45c5f03aef30dc4f602c6311fd21db2c301da1aaec8833- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001612
- Bitcoin block existence check
- https://blockstream.info/api/block/960181
Full record
Track page: Chopin: Piano Sonata No. 2 in B-Flat Minor, Op. 35 "Funeral March": III. Marche funèbre. Lento · Machine-readable JSON-LD