ISRC GBSMU2430748
Verified recording
GBSMU2430748 is “Valse melancolique No. 1 in C Minor -for the right hand-” by Carlos Marquez,
registered on the CopyrightChains blockchain with CopyrightID
0x0aac5c1dc6b15d5eaf2a889d5c9bc5f28d02bf4b2feb4173eea764c0e7622fde and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2430748.
Recording identifiers
- ISRC
- GBSMU2430748
- Title
- Valse melancolique No. 1 in C Minor -for the right hand-
- Artist
- Carlos Marquez
- CopyrightID (CopyrightChains transaction hash)
0x0aac5c1dc6b15d5eaf2a889d5c9bc5f28d02bf4b2feb4173eea764c0e7622fde
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:4302cc24f69090f4cb7f8a2d3fe1dc4c4e64fcc8fd59f9d841a6ae98cab6ba8c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2430748
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Valse melancolique No. 1 in C Minor -for the right hand- · Machine-readable JSON-LD