ISRC USHM21972953
Verified recording
USHM21972953 is “El 14” by Grupo Sigma,
registered on the CopyrightChains blockchain with CopyrightID
0x150a1c15c2763e90e609173db6b2dc2bbd8f9ba2bae5757cda29259a0486892f 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/USHM21972953.
Recording identifiers
- ISRC
- USHM21972953
- Title
- El 14
- Artist
- Grupo Sigma
- CopyrightID (CopyrightChains transaction hash)
0x150a1c15c2763e90e609173db6b2dc2bbd8f9ba2bae5757cda29259a0486892f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:23:05+00:00
- Bitcoin block
- 960164
- Canonical record hash
sha256:f5c7700150897ef5ca786ddf7743a26e92ef38caa26ec2d07a0ec7bfda1bd37a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21972953
- Bitcoin block existence check
- https://blockstream.info/api/block/960164