ISRC FRZ119401730
Verified recording
FRZ119401730 is “Chopin: Nocturne No. 13 in C Minor, Op. 48 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x8617d7abb18a1fc2142b3791abff0da291d554efb405ca80ccfa3d2c70c3067a 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/FRZ119401730.
Recording identifiers
- ISRC
- FRZ119401730
- Title
- Chopin: Nocturne No. 13 in C Minor, Op. 48 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x8617d7abb18a1fc2142b3791abff0da291d554efb405ca80ccfa3d2c70c3067a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:2ef7ae147b33ae49e2404adbbd2cdf6ce2d8f0047c00664b6db9028d463b1970- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119401730
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Chopin: Nocturne No. 13 in C Minor, Op. 48 No. 1 · Machine-readable JSON-LD