ISRC GBSMU4901377
Verified recording
GBSMU4901377 is “Nocturne for Isabella No. 10 in A Minor” by Carlos Marquez,
registered on the CopyrightChains blockchain with CopyrightID
0xa9ad98a58ddcba315d15d6bd549c57e5a49ea7cc36d20bf034810f1c60611462 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU4901377.
Recording identifiers
- ISRC
- GBSMU4901377
- Title
- Nocturne for Isabella No. 10 in A Minor
- Artist
- Carlos Marquez
- CopyrightID (CopyrightChains transaction hash)
0xa9ad98a58ddcba315d15d6bd549c57e5a49ea7cc36d20bf034810f1c60611462
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:ba3a4046114ec2e3e2e51a9903a69ce3e975487f21c37a09f122e196db1d2d81- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU4901377
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Nocturne for Isabella No. 10 in A Minor · Machine-readable JSON-LD