ISRC QM4TW1559473
Verified recording
QM4TW1559473 is “Guantanamera” by Los Compadres,
registered on the CopyrightChains blockchain with CopyrightID
0x2daddd56d73a93270c547e9df185dec01cf011669ddc33474199bd9b20edb072 and independently timestamped
in Bitcoin block 960277 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1559473.
Recording identifiers
- ISRC
- QM4TW1559473
- Title
- Guantanamera
- Artist
- Los Compadres
- CopyrightID (CopyrightChains transaction hash)
0x2daddd56d73a93270c547e9df185dec01cf011669ddc33474199bd9b20edb072
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T16:10:47+00:00
- Bitcoin block
- 960277
- Canonical record hash
sha256:7ee799b78086c468d91eeaf8345d8520bed45848761b396d82ef8f9d1601956a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1559473
- Bitcoin block existence check
- https://blockstream.info/api/block/960277