ISRC FRZ111001516
Verified recording
FRZ111001516 is “Chopin: 24 Preludes, Op. 28: No. 21 in B-Flat Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xb9ca96a444349b41cc3de212e21376254a5ec81fb4d07f1f7497b1ee8b231003 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001516.
Recording identifiers
- ISRC
- FRZ111001516
- Title
- Chopin: 24 Preludes, Op. 28: No. 21 in B-Flat Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xb9ca96a444349b41cc3de212e21376254a5ec81fb4d07f1f7497b1ee8b231003
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:a58a0b154067f58674f3453a36cb1dd5544c7abb8c4f303cccbd04f37b79181d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001516
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Chopin: 24 Preludes, Op. 28: No. 21 in B-Flat Major · Machine-readable JSON-LD