ISRC GBF077611552
Verified recording
GBF077611552 is “Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xea9bb2fffa512b1813747ff2a9f4c7cf866ac4535c9f0edb3c9b62dcfa5c814f and independently timestamped
in Bitcoin block 960268 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077611552.
Recording identifiers
- ISRC
- GBF077611552
- Title
- Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xea9bb2fffa512b1813747ff2a9f4c7cf866ac4535c9f0edb3c9b62dcfa5c814f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:53:07+00:00
- Bitcoin block
- 960268
- Canonical record hash
sha256:fabefebb966a5f7d2ae9f7a88c65830472de8cb66e04f7af051912f3d4c0240c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077611552
- Bitcoin block existence check
- https://blockstream.info/api/block/960268
Full record
Track page: Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2 · Machine-readable JSON-LD