ISRC USUM72222997
Verified recording
USUM72222997 is “School Of Hard Knocks” by Wallie the Sensei,
registered on the CopyrightChains blockchain with CopyrightID
0x9b84b8c1c4b2ab5daeac1968bb62a5edd58a4225f8ae80f25cefdfd1bc8e777d and independently timestamped
in Bitcoin block 960106 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72222997.
Recording identifiers
- ISRC
- USUM72222997
- Title
- School Of Hard Knocks
- Artist
- Wallie the Sensei
- CopyrightID (CopyrightChains transaction hash)
0x9b84b8c1c4b2ab5daeac1968bb62a5edd58a4225f8ae80f25cefdfd1bc8e777d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:41:21+00:00
- Bitcoin block
- 960106
- Canonical record hash
sha256:6ed8d64f2e7d559cebf78e4a149f89f9e509ae4fe21ae653945a3d0db3d63a1b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72222997
- Bitcoin block existence check
- https://blockstream.info/api/block/960106
Full record
Track page: School Of Hard Knocks · Machine-readable JSON-LD