ISRC USSM10109022
Verified recording
USSM10109022 is “Mazurka in F-sharp minor, Op. 6, No. 1 - Instrumental” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x0f298cc266d8ac635a4d874e45742a2c47afd19afff6f47c1a0f1cd26c051e96 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10109022.
Recording identifiers
- ISRC
- USSM10109022
- Title
- Mazurka in F-sharp minor, Op. 6, No. 1 - Instrumental
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x0f298cc266d8ac635a4d874e45742a2c47afd19afff6f47c1a0f1cd26c051e96
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:e243374623dc2b9a538d6baa1a543f71733b6a503f6e6328bd687628e3621385- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10109022
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Mazurka in F-sharp minor, Op. 6, No. 1 - Instrumental · Machine-readable JSON-LD