ISRC GBSMU2430847
Verified recording
GBSMU2430847 is “Valse melancolique No. 11 in B Flat Minor -for the right hand-” by Carlos Marquez,
registered on the CopyrightChains blockchain with CopyrightID
0x2d4291121e8bdc459d7a1e099d47b265b58018288e5ad62ca1d2ab72d243d239 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/GBSMU2430847.
Recording identifiers
- ISRC
- GBSMU2430847
- Title
- Valse melancolique No. 11 in B Flat Minor -for the right hand-
- Artist
- Carlos Marquez
- CopyrightID (CopyrightChains transaction hash)
0x2d4291121e8bdc459d7a1e099d47b265b58018288e5ad62ca1d2ab72d243d239
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:97c14bd3f56c59d61dcd9665ee8349fb99826fdb5762c0ab10b00699aeac12da- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2430847
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Valse melancolique No. 11 in B Flat Minor -for the right hand- · Machine-readable JSON-LD