ISRC GBAYC9004346
Verified recording
GBAYC9004346 is “Waltzes, Op. 64: No. 2, Tempo giusto in C-Sharp Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x4c8e1af588d58d41122461dfdf5bbaba55db6a43fe86adeaa12ec28b09b1b35f and independently timestamped
in Bitcoin block 960153 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004346.
Recording identifiers
- ISRC
- GBAYC9004346
- Title
- Waltzes, Op. 64: No. 2, Tempo giusto in C-Sharp Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x4c8e1af588d58d41122461dfdf5bbaba55db6a43fe86adeaa12ec28b09b1b35f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:57:12+00:00
- Bitcoin block
- 960153
- Canonical record hash
sha256:b0a20e0d77b73d29c2db96a402b9c1ea7bc6c3d0e9fe4f16f93f380bb55dddc1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004346
- Bitcoin block existence check
- https://blockstream.info/api/block/960153
Full record
Track page: Waltzes, Op. 64: No. 2, Tempo giusto in C-Sharp Minor · Machine-readable JSON-LD