ISRC GBSMU2852778
Verified recording
GBSMU2852778 is “Valse Melancolique No. 11 in B Flat Minor” by Carlos Marquez,
registered on the CopyrightChains blockchain with CopyrightID
0x0f589fb220e230445ef5c0f12cfb5044aafdecb41c1cf18cbae016b0d198948c and independently timestamped
in Bitcoin block 959138 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2852778.
Recording identifiers
- ISRC
- GBSMU2852778
- Title
- Valse Melancolique No. 11 in B Flat Minor
- Artist
- Carlos Marquez
- CopyrightID (CopyrightChains transaction hash)
0x0f589fb220e230445ef5c0f12cfb5044aafdecb41c1cf18cbae016b0d198948c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T14:10:55+00:00
- Bitcoin block
- 959138
- Canonical record hash
sha256:36cb0f38ebd3e533567d19191c4cefe73b7a0e854d4f8647125af30eda1d20fb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2852778
- Bitcoin block existence check
- https://blockstream.info/api/block/959138
Full record
Track page: Valse Melancolique No. 11 in B Flat Minor · Machine-readable JSON-LD