ISRC GBAYC8903089
Verified recording
GBAYC8903089 is “Waltzes, Op. 69: No. 1, Lento in A-Flat Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x8a72f75cd0ad51b7e68db3520b27cc50eb6dc16b8dad3a9b9b7280d3637b65e7 and independently timestamped
in Bitcoin block 960250 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8903089.
Recording identifiers
- ISRC
- GBAYC8903089
- Title
- Waltzes, Op. 69: No. 1, Lento in A-Flat Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x8a72f75cd0ad51b7e68db3520b27cc50eb6dc16b8dad3a9b9b7280d3637b65e7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T11:13:28+00:00
- Bitcoin block
- 960250
- Canonical record hash
sha256:869a26bb1c9e9d44d3a8546449eca5a2d8cb97dd6886eeba9e11373aee0e36ea- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8903089
- Bitcoin block existence check
- https://blockstream.info/api/block/960250
Full record
Track page: Waltzes, Op. 69: No. 1, Lento in A-Flat Major · Machine-readable JSON-LD