ISRC USUM71018657
Verified recording
USUM71018657 is “Skumf*k” by Sum 41,
registered on the CopyrightChains blockchain with CopyrightID
0xb66e1417b34b566de2475391acf0576e1d6ffccfa222b690c75431f6242b6dae and independently timestamped
in Bitcoin block 960311 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71018657.
Recording identifiers
- ISRC
- USUM71018657
- Title
- Skumf*k
- Artist
- Sum 41
- CopyrightID (CopyrightChains transaction hash)
0xb66e1417b34b566de2475391acf0576e1d6ffccfa222b690c75431f6242b6dae
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:45:02+00:00
- Bitcoin block
- 960311
- Canonical record hash
sha256:9dad803a2128c1ed0015cc2706d463e49108fab0f2f0373b3e028991e92c9d7e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71018657
- Bitcoin block existence check
- https://blockstream.info/api/block/960311