ISRC USVPR9905938
Verified recording
USVPR9905938 is “Guantanamera” by Freddie McGregor,
registered on the CopyrightChains blockchain with CopyrightID
0x181a140628a23e015ff98ca4be4fb6498008ef44eb21a0de223a8c866c9751c3 and independently timestamped
in Bitcoin block 960494 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USVPR9905938.
Recording identifiers
- ISRC
- USVPR9905938
- Title
- Guantanamera
- Artist
- Freddie McGregor
- CopyrightID (CopyrightChains transaction hash)
0x181a140628a23e015ff98ca4be4fb6498008ef44eb21a0de223a8c866c9751c3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T01:44:32+00:00
- Bitcoin block
- 960494
- Canonical record hash
sha256:924f84e42a14337ccc90fdd56d361c4c9edc9b120ecd900bb873f77712d4c8fa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USVPR9905938
- Bitcoin block existence check
- https://blockstream.info/api/block/960494