ISRC US5541304619
Verified recording
US5541304619 is “Waltz No. 6 in D-Flat Major, Op. 64: No. 1 , "Minute Waltz"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x543b581a2b54f98d46fa91b5035552286d3c14bf19a89faa1118bc5667eb8d77 and independently timestamped
in Bitcoin block 960218 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5541304619.
Recording identifiers
- ISRC
- US5541304619
- Title
- Waltz No. 6 in D-Flat Major, Op. 64: No. 1 , "Minute Waltz"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x543b581a2b54f98d46fa91b5035552286d3c14bf19a89faa1118bc5667eb8d77
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T06:57:05+00:00
- Bitcoin block
- 960218
- Canonical record hash
sha256:648a58333c06d774f21a627d29c776b38e92ea608778d8e266f737a6eae6d654- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5541304619
- Bitcoin block existence check
- https://blockstream.info/api/block/960218
Full record
Track page: Waltz No. 6 in D-Flat Major, Op. 64: No. 1 , "Minute Waltz" · Machine-readable JSON-LD