ISRC GBSMU2430750
Verified recording
GBSMU2430750 is “Valse melancolique No. 2 in C Sharp Minor -for the right hand-” by Carlos Marquez,
registered on the CopyrightChains blockchain with CopyrightID
0xa0059536e6a95027eb3ac46a556e69fa430ca3359566073af9fefc07ba3356d4 and independently timestamped
in Bitcoin block 960370 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2430750.
Recording identifiers
- ISRC
- GBSMU2430750
- Title
- Valse melancolique No. 2 in C Sharp Minor -for the right hand-
- Artist
- Carlos Marquez
- CopyrightID (CopyrightChains transaction hash)
0xa0059536e6a95027eb3ac46a556e69fa430ca3359566073af9fefc07ba3356d4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:38:45+00:00
- Bitcoin block
- 960370
- Canonical record hash
sha256:39f94127df202796d0d263af11835839eb5dd25926a0f1d78a0b407fabe52469- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2430750
- Bitcoin block existence check
- https://blockstream.info/api/block/960370
Full record
Track page: Valse melancolique No. 2 in C Sharp Minor -for the right hand- · Machine-readable JSON-LD