ISRC US3M50232110
Verified recording
US3M50232110 is “Whistle While You Work” by Mason Williams,
registered on the CopyrightChains blockchain with CopyrightID
0xe2c468fce00ef750ccb84227c28ca6d480d43f429c316c1aebcc0da8b45418d8 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/US3M50232110.
Recording identifiers
- ISRC
- US3M50232110
- Title
- Whistle While You Work
- Artist
- Mason Williams
- CopyrightID (CopyrightChains transaction hash)
0xe2c468fce00ef750ccb84227c28ca6d480d43f429c316c1aebcc0da8b45418d8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:9ed302da6ca0f73eba9480394d2aeda4e8caa8e6144889268fb3a67c6216ce44- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3M50232110
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Whistle While You Work · Machine-readable JSON-LD