ISRC US2BB1300029
Verified recording
US2BB1300029 is “Frédéric Chopin / Piano Sonata No. 2 in B-Flat Minor, Op. 35, 'The Funeral March'” by Lisa Spector,
registered on the CopyrightChains blockchain with CopyrightID
0x96e80399e0a1c69fd311dd77fd67a9517d8f3d0bbcd54158e9a6bec956038b13 and independently timestamped
in Bitcoin block 960340 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2BB1300029.
Recording identifiers
- ISRC
- US2BB1300029
- Title
- Frédéric Chopin / Piano Sonata No. 2 in B-Flat Minor, Op. 35, 'The Funeral March'
- Artist
- Lisa Spector
- CopyrightID (CopyrightChains transaction hash)
0x96e80399e0a1c69fd311dd77fd67a9517d8f3d0bbcd54158e9a6bec956038b13
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T03:15:04+00:00
- Bitcoin block
- 960340
- Canonical record hash
sha256:53a563ae73e255a1038cc89ae5540be6b28ecc62d29805d6327203508d1e663f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2BB1300029
- Bitcoin block existence check
- https://blockstream.info/api/block/960340
Full record
Track page: Frédéric Chopin / Piano Sonata No. 2 in B-Flat Minor, Op. 35, 'The Funeral March' · Machine-readable JSON-LD