ISRC GBSMU4901373
Verified recording
GBSMU4901373 is “Nocturne for Isabella No. 6 in E Minor” by Carlos Marquez,
registered on the CopyrightChains blockchain with CopyrightID
0x33a194700b3e5185bcb519a1a901252dd85a0b08adafb3ee3cefd2091ea00d96 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU4901373.
Recording identifiers
- ISRC
- GBSMU4901373
- Title
- Nocturne for Isabella No. 6 in E Minor
- Artist
- Carlos Marquez
- CopyrightID (CopyrightChains transaction hash)
0x33a194700b3e5185bcb519a1a901252dd85a0b08adafb3ee3cefd2091ea00d96
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:73eac39606bd7d5e1b095da3250ffc87f3167b0d8b1ff240540d9d8266f3d55d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU4901373
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Nocturne for Isabella No. 6 in E Minor · Machine-readable JSON-LD