ISRC FRZ140530120
Verified recording
FRZ140530120 is “Waltzes, Op. 64, B. 164a: No. 1 in D-Flat Major, "Minute Waltz"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xca0235736d863672d2b077fc892198f52db3bbeecf85fac316748170c3da978b and independently timestamped
in Bitcoin block 959152 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140530120.
Recording identifiers
- ISRC
- FRZ140530120
- Title
- Waltzes, Op. 64, B. 164a: No. 1 in D-Flat Major, "Minute Waltz"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xca0235736d863672d2b077fc892198f52db3bbeecf85fac316748170c3da978b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T16:23:52+00:00
- Bitcoin block
- 959152
- Canonical record hash
sha256:ec496c5405ce60a443037496dd931a417c46bd899195b41186313939e3ab5556- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140530120
- Bitcoin block existence check
- https://blockstream.info/api/block/959152
Full record
Track page: Waltzes, Op. 64, B. 164a: No. 1 in D-Flat Major, "Minute Waltz" · Machine-readable JSON-LD