ISRC GBSMU4901371
Verified recording
GBSMU4901371 is “Nocturne for Isabella No. 4 in G Minor” by Carlos Marquez,
registered on the CopyrightChains blockchain with CopyrightID
0x15cb73339c477a6e0fff50be329e982388087c4bfad1c2598cb3b615f9dd4df6 and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU4901371.
Recording identifiers
- ISRC
- GBSMU4901371
- Title
- Nocturne for Isabella No. 4 in G Minor
- Artist
- Carlos Marquez
- CopyrightID (CopyrightChains transaction hash)
0x15cb73339c477a6e0fff50be329e982388087c4bfad1c2598cb3b615f9dd4df6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:9c10f1a31f3a81f024ab90c38eb80bf13603ac45fba263a1e647de4762ea46ea- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU4901371
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: Nocturne for Isabella No. 4 in G Minor · Machine-readable JSON-LD