ISRC USBC18600147
Verified recording
USBC18600147 is “Piano Sonata No. 2, Op. 35: III. Marche funèbre” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x0ff2798e63623e1808f295f199ba8786e02522b5fb74a45fc33b5b55558f1362 and independently timestamped
in Bitcoin block 960500 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18600147.
Recording identifiers
- ISRC
- USBC18600147
- Title
- Piano Sonata No. 2, Op. 35: III. Marche funèbre
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x0ff2798e63623e1808f295f199ba8786e02522b5fb74a45fc33b5b55558f1362
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:13:03+00:00
- Bitcoin block
- 960500
- Canonical record hash
sha256:cffb6bf539f82d20a00822ab9c2bb77e6c75c23141f1d04445bf23351179a1dd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18600147
- Bitcoin block existence check
- https://blockstream.info/api/block/960500
Full record
Track page: Piano Sonata No. 2, Op. 35: III. Marche funèbre · Machine-readable JSON-LD