ISRC FRZ119505940
Verified recording
FRZ119505940 is “Chopin: Nocturne No. 3 in B Major, Op. 9 No. 3” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x67b94b751d7af47e8ae6e4cd95dc74dec34227c93f21a68c0ae9cc7adc3f80a0 and independently timestamped
in Bitcoin block 960167 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119505940.
Recording identifiers
- ISRC
- FRZ119505940
- Title
- Chopin: Nocturne No. 3 in B Major, Op. 9 No. 3
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x67b94b751d7af47e8ae6e4cd95dc74dec34227c93f21a68c0ae9cc7adc3f80a0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:42:34+00:00
- Bitcoin block
- 960167
- Canonical record hash
sha256:00b3b015aaae04b672755b6a1df3e46036cb38a0bf37b827d44fe8a165e1b0e4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119505940
- Bitcoin block existence check
- https://blockstream.info/api/block/960167
Full record
Track page: Chopin: Nocturne No. 3 in B Major, Op. 9 No. 3 · Machine-readable JSON-LD