ISRC FRZ077201240
Verified recording
FRZ077201240 is “24 Préludes, Op. 28: No. 15 in D-Flat Major, Sostenuto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x22968d4c18bf11b885c0b0d323443ca3a0a40639c41e1f6a15c1b702a5d5d581 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/FRZ077201240.
Recording identifiers
- ISRC
- FRZ077201240
- Title
- 24 Préludes, Op. 28: No. 15 in D-Flat Major, Sostenuto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x22968d4c18bf11b885c0b0d323443ca3a0a40639c41e1f6a15c1b702a5d5d581
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:b29c46f98c588cac66bbaf1d284937698751aae8ede937c2ad325731c0f810fd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ077201240
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: 24 Préludes, Op. 28: No. 15 in D-Flat Major, Sostenuto · Machine-readable JSON-LD