ISRC FRZ111001656
Verified recording
FRZ111001656 is “Chopin: 3 Nouvelles Études: No. 2 in D-Flat Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe498779604a8a898803bd56cbb25a2bd6936af31d1581be7f0c4a204d30691b7 and independently timestamped
in Bitcoin block 960170 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001656.
Recording identifiers
- ISRC
- FRZ111001656
- Title
- Chopin: 3 Nouvelles Études: No. 2 in D-Flat Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe498779604a8a898803bd56cbb25a2bd6936af31d1581be7f0c4a204d30691b7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:52:38+00:00
- Bitcoin block
- 960170
- Canonical record hash
sha256:4d0c9745810da956bca642f03c28e409b09a3ddf3158e33c415ff31865d8526b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001656
- Bitcoin block existence check
- https://blockstream.info/api/block/960170
Full record
Track page: Chopin: 3 Nouvelles Études: No. 2 in D-Flat Major · Machine-readable JSON-LD