ISRC FRZ200200025
Verified recording
FRZ200200025 is “Chopin: 24 Preludes, Op. 28: No. 21 in B-Flat Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x71bdf8b275a0159fa2c39cde6cef79613f5ce2d4fe7edea531841653973d7b85 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200200025.
Recording identifiers
- ISRC
- FRZ200200025
- Title
- Chopin: 24 Preludes, Op. 28: No. 21 in B-Flat Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x71bdf8b275a0159fa2c39cde6cef79613f5ce2d4fe7edea531841653973d7b85
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:31dfc7cf5d1e64218ae52f6dd26681ef911ba60bfba58ded02d08eb859b9cf68- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200200025
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Chopin: 24 Preludes, Op. 28: No. 21 in B-Flat Major · Machine-readable JSON-LD