ISRC FRZ111001636
Verified recording
FRZ111001636 is “Chopin: Nocturne No. 5 in F-Sharp Major, Op. 15 No. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x6b901e081708d935a0d695689b5c062da6520b69656db0caa543743153715e13 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001636.
Recording identifiers
- ISRC
- FRZ111001636
- Title
- Chopin: Nocturne No. 5 in F-Sharp Major, Op. 15 No. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x6b901e081708d935a0d695689b5c062da6520b69656db0caa543743153715e13
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:14d83db88a9413eaf9b3715e2944228e95a4f9636ccf0ae0d5073e4fc41f1959- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001636
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Chopin: Nocturne No. 5 in F-Sharp Major, Op. 15 No. 2 · Machine-readable JSON-LD