ISRC GBSMU4901370
Verified recording
GBSMU4901370 is “Nocturne for Isabella No. 3 in A Minor” by Carlos Marquez,
registered on the CopyrightChains blockchain with CopyrightID
0x3953fa9e248b95b9c17abca7603e6f2807416ed318ebe749fa25e206f64e9bc5 and independently timestamped
in Bitcoin block 959146 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU4901370.
Recording identifiers
- ISRC
- GBSMU4901370
- Title
- Nocturne for Isabella No. 3 in A Minor
- Artist
- Carlos Marquez
- CopyrightID (CopyrightChains transaction hash)
0x3953fa9e248b95b9c17abca7603e6f2807416ed318ebe749fa25e206f64e9bc5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:41:47+00:00
- Bitcoin block
- 959146
- Canonical record hash
sha256:0eb9a3fe31826f867d65b70db8b1db18c0453372475b026e3e5a0eafda6e37ec- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU4901370
- Bitcoin block existence check
- https://blockstream.info/api/block/959146
Full record
Track page: Nocturne for Isabella No. 3 in A Minor · Machine-readable JSON-LD