ISRC USBWK0700160
Verified recording
USBWK0700160 is “Sledgehammer” by Mac Lethal,
registered on the CopyrightChains blockchain with CopyrightID
0xa23bb852c4e378d055f1732defd6bcdb47f3002c6b363b1024cc14bb56e54616 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBWK0700160.
Recording identifiers
- ISRC
- USBWK0700160
- Title
- Sledgehammer
- Artist
- Mac Lethal
- CopyrightID (CopyrightChains transaction hash)
0xa23bb852c4e378d055f1732defd6bcdb47f3002c6b363b1024cc14bb56e54616
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:72a424288f81f53b9494d00aa0efe16671d7fc84652052380ac21aeda5e0f884- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBWK0700160
- Bitcoin block existence check
- https://blockstream.info/api/block/960144