ISRC GBBBC2201478
Verified recording
GBBBC2201478 is “Variations on a Theme by Robert Schumann, Op. 20: Var. 2” by Clara Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0x5edb93d2f5398bf339eb86e4b929d3540fef5b2b3f85b2c233042941ddf0a9a3 and independently timestamped
in Bitcoin block 960170 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201478.
Recording identifiers
- ISRC
- GBBBC2201478
- Title
- Variations on a Theme by Robert Schumann, Op. 20: Var. 2
- Artist
- Clara Schumann
- CopyrightID (CopyrightChains transaction hash)
0x5edb93d2f5398bf339eb86e4b929d3540fef5b2b3f85b2c233042941ddf0a9a3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:52:38+00:00
- Bitcoin block
- 960170
- Canonical record hash
sha256:bdeee6504c16bdcc15bfbdfffb40d22807f367f116290c9dd4dbc0fb8d0367a3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201478
- Bitcoin block existence check
- https://blockstream.info/api/block/960170
Full record
Track page: Variations on a Theme by Robert Schumann, Op. 20: Var. 2 · Machine-readable JSON-LD