ISRC GBSMU2430752
Verified recording
GBSMU2430752 is “Valse melancolique No. 3 in D Minor -for the right hand-” by Carlos Marquez,
registered on the CopyrightChains blockchain with CopyrightID
0x71cede3e4336f1f33de6151818f992ec1680dbd8e51d1536c8b7d8e716daba8a and independently timestamped
in Bitcoin block 960481 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2430752.
Recording identifiers
- ISRC
- GBSMU2430752
- Title
- Valse melancolique No. 3 in D Minor -for the right hand-
- Artist
- Carlos Marquez
- CopyrightID (CopyrightChains transaction hash)
0x71cede3e4336f1f33de6151818f992ec1680dbd8e51d1536c8b7d8e716daba8a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:51:35+00:00
- Bitcoin block
- 960481
- Canonical record hash
sha256:15f6dd7917e049b83eb5a9e0c4ea879fa1f6c58e635914e855d0cbf73ac68ca4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2430752
- Bitcoin block existence check
- https://blockstream.info/api/block/960481
Full record
Track page: Valse melancolique No. 3 in D Minor -for the right hand- · Machine-readable JSON-LD