ISRC GBF079540809
Verified recording
GBF079540809 is “Waltz No. 9 in A flat, Op. 69 No. 1 -"Farewell"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x4c57bab0eadba63eb9fe02649969c5eb518d11435af1ceb377215997f822021e and independently timestamped
in Bitcoin block 956312 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079540809.
Recording identifiers
- ISRC
- GBF079540809
- Title
- Waltz No. 9 in A flat, Op. 69 No. 1 -"Farewell"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x4c57bab0eadba63eb9fe02649969c5eb518d11435af1ceb377215997f822021e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T05:09:12+00:00
- Bitcoin block
- 956312
- Canonical record hash
sha256:bd9aa760b3f876258661ac33c9a8a1e5164fabc5febcb630fce621dd1bb373c2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079540809
- Bitcoin block existence check
- https://blockstream.info/api/block/956312
Full record
Track page: Waltz No. 9 in A flat, Op. 69 No. 1 -"Farewell" · Machine-readable JSON-LD