ISRC FRZ110100045
Verified recording
FRZ110100045 is “Waltzes, Op. 69: No. 1 in A-Flat Major "Farewell Waltz"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xd29c7f2e86e9bca3637a7b60ad28f6a785ac72c9ff91dc2419db839dd71581f5 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ110100045.
Recording identifiers
- ISRC
- FRZ110100045
- Title
- Waltzes, Op. 69: No. 1 in A-Flat Major "Farewell Waltz"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xd29c7f2e86e9bca3637a7b60ad28f6a785ac72c9ff91dc2419db839dd71581f5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:fa462bae0f23dcf08eb8649ef72e628b789a88b8c107058453972f6c2632a0fe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ110100045
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Waltzes, Op. 69: No. 1 in A-Flat Major "Farewell Waltz" · Machine-readable JSON-LD