ISRC GBF078441312
Verified recording
GBF078441312 is “Waltz No. 19 in A Minor, KK IVb/11” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x9eee7ecf8c58b5c34ac5b7e92c844e19981f572e886dcfdc1e6dce99a36c5cb3 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078441312.
Recording identifiers
- ISRC
- GBF078441312
- Title
- Waltz No. 19 in A Minor, KK IVb/11
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x9eee7ecf8c58b5c34ac5b7e92c844e19981f572e886dcfdc1e6dce99a36c5cb3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:2e23cb659e810d79d45473d90b71ec45167f6284567a5fd37f93b396bb3c2de8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078441312
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Waltz No. 19 in A Minor, KK IVb/11 · Machine-readable JSON-LD