ISRC USBC19803042
Verified recording
USBC19803042 is “Mazurkas, Op. 63: No. 2 in F Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x01ee54435006a87b821bef1ea2d87bcd8109048af06c515abcea67ea3b8c9a90 and independently timestamped
in Bitcoin block 960254 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19803042.
Recording identifiers
- ISRC
- USBC19803042
- Title
- Mazurkas, Op. 63: No. 2 in F Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x01ee54435006a87b821bef1ea2d87bcd8109048af06c515abcea67ea3b8c9a90
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:06:10+00:00
- Bitcoin block
- 960254
- Canonical record hash
sha256:cd6f19ef44545ef80d615bf2a22337726a5e3c5ef53930f1f7d80709166d6d4a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19803042
- Bitcoin block existence check
- https://blockstream.info/api/block/960254
Full record
Track page: Mazurkas, Op. 63: No. 2 in F Minor · Machine-readable JSON-LD