ISRC USUM71102185
Verified recording
USUM71102185 is “Happiness Machine” by Sum 41,
registered on the CopyrightChains blockchain with CopyrightID
0xaca8ea624eefc77191061614b5a1e6b61b87d66432021f28f0c22aa57fa52cb8 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71102185.
Recording identifiers
- ISRC
- USUM71102185
- Title
- Happiness Machine
- Artist
- Sum 41
- CopyrightID (CopyrightChains transaction hash)
0xaca8ea624eefc77191061614b5a1e6b61b87d66432021f28f0c22aa57fa52cb8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:e44782931c4a9b3ac946a200607959aae0507e586d78b5bdb2d21b8122ef6419- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71102185
- Bitcoin block existence check
- https://blockstream.info/api/block/953520