ISRC USA370560944
Verified recording
USA370560944 is “Waltz In A Flat Major, Op. 34 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xfccab15e4de3a266464b777126b39009807607e516575abe0929a1cf9832c972 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA370560944.
Recording identifiers
- ISRC
- USA370560944
- Title
- Waltz In A Flat Major, Op. 34 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xfccab15e4de3a266464b777126b39009807607e516575abe0929a1cf9832c972
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:3d267a1db25a00cceb0a9ce7e71e9ab152dbbaa336143d3e71bb229b61744029- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA370560944
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Waltz In A Flat Major, Op. 34 No. 1 · Machine-readable JSON-LD