ISRC FRZ111100613
Verified recording
FRZ111100613 is “Chopin: Nocturne No. 9 in B Major, Op. 32 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x4e51e7977c31e8cdc0d508ddffd0e5dbb9aaecd82f96940835a48b7b211b187d and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111100613.
Recording identifiers
- ISRC
- FRZ111100613
- Title
- Chopin: Nocturne No. 9 in B Major, Op. 32 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x4e51e7977c31e8cdc0d508ddffd0e5dbb9aaecd82f96940835a48b7b211b187d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:9d73d89be2eb91854f51fcde5268c09018165c60d9e3f75094f99268f6369904- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111100613
- Bitcoin block existence check
- https://blockstream.info/api/block/960337
Full record
Track page: Chopin: Nocturne No. 9 in B Major, Op. 32 No. 1 · Machine-readable JSON-LD