ISRC GBAHT1000267
Verified recording
GBAHT1000267 is “Blumenfeld : Etude for the Left Hand in A flat major Op.36” by Felix Blumenfeld,
registered on the CopyrightChains blockchain with CopyrightID
0xbc8a968256ffcc9379e747b6e40198f92064dd60ab36b8e1065c97dc71fea0c0 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAHT1000267.
Recording identifiers
- ISRC
- GBAHT1000267
- Title
- Blumenfeld : Etude for the Left Hand in A flat major Op.36
- Artist
- Felix Blumenfeld
- CopyrightID (CopyrightChains transaction hash)
0xbc8a968256ffcc9379e747b6e40198f92064dd60ab36b8e1065c97dc71fea0c0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:ffc088f676bf59526fdf9b2cb861f881f386303ef618c07799d61158f8fd7e67- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAHT1000267
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Blumenfeld : Etude for the Left Hand in A flat major Op.36 · Machine-readable JSON-LD