ISRC USSJ10914187
Verified recording
USSJ10914187 is “Waltz No. 2 in C-Sharp Minor, Op. 64” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xbac48e9a513c9ddf67db558837e8459f8f040c345b14175c313f2eafa5951fe5 and independently timestamped
in Bitcoin block 959128 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10914187.
Recording identifiers
- ISRC
- USSJ10914187
- Title
- Waltz No. 2 in C-Sharp Minor, Op. 64
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xbac48e9a513c9ddf67db558837e8459f8f040c345b14175c313f2eafa5951fe5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T12:33:25+00:00
- Bitcoin block
- 959128
- Canonical record hash
sha256:4d4c41a749d4e22ccaa716d0210edcc66b8b488f85c7ed847f1af7d9f5434236- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10914187
- Bitcoin block existence check
- https://blockstream.info/api/block/959128
Full record
Track page: Waltz No. 2 in C-Sharp Minor, Op. 64 · Machine-readable JSON-LD