ISRC FRZ119401750
Verified recording
FRZ119401750 is “Chopin: Nocturne No. 15 in F Minor, Op. 55 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x8b2a7d59f4c2830dd4fad478f37921aa07b5c702221d49eea96c5c3ae5976619 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119401750.
Recording identifiers
- ISRC
- FRZ119401750
- Title
- Chopin: Nocturne No. 15 in F Minor, Op. 55 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x8b2a7d59f4c2830dd4fad478f37921aa07b5c702221d49eea96c5c3ae5976619
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:78e40563c4b2189d8d9ece140289aad514e4a47e8b462d7d6958be0c38c90ab3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119401750
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Chopin: Nocturne No. 15 in F Minor, Op. 55 No. 1 · Machine-readable JSON-LD