ISRC USBC17500165
Verified recording
USBC17500165 is “"Minute" Waltz (Waltz in D-Flat, Op. 64, No. 1)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x66971db3dbc781ba8aa929915c7af8976a8e51ff3b5c6d93a99f6f4b83ab5cb4 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/USBC17500165.
Recording identifiers
- ISRC
- USBC17500165
- Title
- "Minute" Waltz (Waltz in D-Flat, Op. 64, No. 1)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x66971db3dbc781ba8aa929915c7af8976a8e51ff3b5c6d93a99f6f4b83ab5cb4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:38c502c2f52e565ddf9fb2af9645fff12d0a6e8576e21f34a43d9fa603451019- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC17500165
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: "Minute" Waltz (Waltz in D-Flat, Op. 64, No. 1) · Machine-readable JSON-LD