ISRC GBSMU2430754
Verified recording
GBSMU2430754 is “Valse melancolique No. 4 in E Flat Minor -for the right hand-” by Carlos Marquez,
registered on the CopyrightChains blockchain with CopyrightID
0xf47bef839c83c114d44a6f771bdd125f10ecf945bec1c7d089b93d89ab6e2fd6 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2430754.
Recording identifiers
- ISRC
- GBSMU2430754
- Title
- Valse melancolique No. 4 in E Flat Minor -for the right hand-
- Artist
- Carlos Marquez
- CopyrightID (CopyrightChains transaction hash)
0xf47bef839c83c114d44a6f771bdd125f10ecf945bec1c7d089b93d89ab6e2fd6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:f0127647901afb878dae35b286ac27dba2a1dc44c9c2dbb6fe457bc88f61f1b4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2430754
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Valse melancolique No. 4 in E Flat Minor -for the right hand- · Machine-readable JSON-LD