ISRC NLA507820406
Verified recording
NLA507820406 is “Waltz No. 6 in D-Flat Major, Op. 64 No. 1 "Minute Waltz"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x7ad18bb6839ab9fb0f6155e93af5ff1d5016b59cd6623e9ab4adfbc377a69050 and independently timestamped
in Bitcoin block 960258 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507820406.
Recording identifiers
- ISRC
- NLA507820406
- Title
- Waltz No. 6 in D-Flat Major, Op. 64 No. 1 "Minute Waltz"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x7ad18bb6839ab9fb0f6155e93af5ff1d5016b59cd6623e9ab4adfbc377a69050
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:45:34+00:00
- Bitcoin block
- 960258
- Canonical record hash
sha256:0ff70ff600e4bcff2191d166d9dcce8962163fdaca998522fc9ef495974376fe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507820406
- Bitcoin block existence check
- https://blockstream.info/api/block/960258
Full record
Track page: Waltz No. 6 in D-Flat Major, Op. 64 No. 1 "Minute Waltz" · Machine-readable JSON-LD