ISRC USBN20900146
Verified recording
USBN20900146 is “Que Rico” by Les McCann,
registered on the CopyrightChains blockchain with CopyrightID
0xda818e5a45ae5751bae611a79f9811a7b316f7657a166dfcdf4774673b8e5ee6 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN20900146.
Recording identifiers
- ISRC
- USBN20900146
- Title
- Que Rico
- Artist
- Les McCann
- CopyrightID (CopyrightChains transaction hash)
0xda818e5a45ae5751bae611a79f9811a7b316f7657a166dfcdf4774673b8e5ee6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f9a2c1b37a0d1786fb109a60c2b35309a734012113e6bcf9030278879e218d9c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN20900146
- Bitcoin block existence check
- https://blockstream.info/api/block/957118