ISRC US5541304659
Verified recording
US5541304659 is “Waltz No. 1 in E-Flat Major, Op. 18, "Grande Valse Brillante"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x68b1877ff7d2d1b1a31aa2b3c414ec0c5b8abe4dc60389fe8876d71d5ad43464 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5541304659.
Recording identifiers
- ISRC
- US5541304659
- Title
- Waltz No. 1 in E-Flat Major, Op. 18, "Grande Valse Brillante"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x68b1877ff7d2d1b1a31aa2b3c414ec0c5b8abe4dc60389fe8876d71d5ad43464
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:9f938906da07d4a75baa4ecdaed09438f8d5d915b0771b006cdc2e4daf30f264- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5541304659
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Waltz No. 1 in E-Flat Major, Op. 18, "Grande Valse Brillante" · Machine-readable JSON-LD