ISRC USHM21407277
Verified recording
USHM21407277 is “Libertad” by Kontra Marin,
registered on the CopyrightChains blockchain with CopyrightID
0x63a9db1ba0eeccd0bb42d8a6129dd5dd3bc6723ab941189c1da97a5c013bce13 and independently timestamped
in Bitcoin block 960164 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21407277.
Recording identifiers
- ISRC
- USHM21407277
- Title
- Libertad
- Artist
- Kontra Marin
- CopyrightID (CopyrightChains transaction hash)
0x63a9db1ba0eeccd0bb42d8a6129dd5dd3bc6723ab941189c1da97a5c013bce13
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:23:05+00:00
- Bitcoin block
- 960164
- Canonical record hash
sha256:fe632212f55b5bc8840cf0a184e951bf3ebb3b5fad7668f48910919910ecab78- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21407277
- Bitcoin block existence check
- https://blockstream.info/api/block/960164