ISRC USEM34901001
Verified recording
USEM34901001 is “To Whom It May Concern” by Riff,
registered on the CopyrightChains blockchain with CopyrightID
0xf46b3d305bf64da2053cc2b87b04ba1d839791e4dcd4b9d31be6775f9172fefe and independently timestamped
in Bitcoin block 960500 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USEM34901001.
Recording identifiers
- ISRC
- USEM34901001
- Title
- To Whom It May Concern
- Artist
- Riff
- CopyrightID (CopyrightChains transaction hash)
0xf46b3d305bf64da2053cc2b87b04ba1d839791e4dcd4b9d31be6775f9172fefe
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:13:03+00:00
- Bitcoin block
- 960500
- Canonical record hash
sha256:bf598fede421faf4317987bf904e60fb146ed2421bb5c04e53116bd817b75ad5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USEM34901001
- Bitcoin block existence check
- https://blockstream.info/api/block/960500
Full record
Track page: To Whom It May Concern · Machine-readable JSON-LD