ISRC FRZ209505500
Verified recording
FRZ209505500 is “Cameron, Chopin: Tristesse (After Chopin's Nocturne, Op. 9 No. 2)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xd872c757e36f79bd3bdd935eb2591dee9cc9ac5ee1eeca1600d1ff0e79f4283e and independently timestamped
in Bitcoin block 960222 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209505500.
Recording identifiers
- ISRC
- FRZ209505500
- Title
- Cameron, Chopin: Tristesse (After Chopin's Nocturne, Op. 9 No. 2)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xd872c757e36f79bd3bdd935eb2591dee9cc9ac5ee1eeca1600d1ff0e79f4283e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:48:45+00:00
- Bitcoin block
- 960222
- Canonical record hash
sha256:acdc784923e3cd186c05e1b3d1ad49b080e17ffde106861fdabe830a3f31634b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209505500
- Bitcoin block existence check
- https://blockstream.info/api/block/960222
Full record
Track page: Cameron, Chopin: Tristesse (After Chopin's Nocturne, Op. 9 No. 2) · Machine-readable JSON-LD