ISRC GBAYD8400183
Verified recording
GBAYD8400183 is “Chopin: Waltz No. 9 in A-Flat Major, Op. Posth. 69 No. 1 "Farewell"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe7fb5af77c9cf4d673f5b3fe4d429ba766cf717b2070e63aa34ea831b2147afd and independently timestamped
in Bitcoin block 959138 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD8400183.
Recording identifiers
- ISRC
- GBAYD8400183
- Title
- Chopin: Waltz No. 9 in A-Flat Major, Op. Posth. 69 No. 1 "Farewell"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe7fb5af77c9cf4d673f5b3fe4d429ba766cf717b2070e63aa34ea831b2147afd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T14:10:55+00:00
- Bitcoin block
- 959138
- Canonical record hash
sha256:fde9715818e7499ebc05bf10bd3a2396b27370c235862280b2270afdd6ee1abb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD8400183
- Bitcoin block existence check
- https://blockstream.info/api/block/959138
Full record
Track page: Chopin: Waltz No. 9 in A-Flat Major, Op. Posth. 69 No. 1 "Farewell" · Machine-readable JSON-LD