ISRC USSM11203186
Verified recording
USSM11203186 is “Waltz in C-sharp minor, Op. 64 No. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x229a9a2a02c3b07d1e35df6c2491003c4978f03f49b40028d55d76e2debe3dca and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11203186.
Recording identifiers
- ISRC
- USSM11203186
- Title
- Waltz in C-sharp minor, Op. 64 No. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x229a9a2a02c3b07d1e35df6c2491003c4978f03f49b40028d55d76e2debe3dca
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:cd48ff7b8aa94f63ed77907c6c1fd8ad4e958ac29739801c960b94251d2a2b8e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11203186
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Waltz in C-sharp minor, Op. 64 No. 2 · Machine-readable JSON-LD