ISRC USUM70740308
Verified recording
USUM70740308 is “Dear Father” by Sum 41,
registered on the CopyrightChains blockchain with CopyrightID
0x8c5972b0384edbe98b34d0123ef4e34e9bae56d88457a651ba16bd2f6695a21e and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70740308.
Recording identifiers
- ISRC
- USUM70740308
- Title
- Dear Father
- Artist
- Sum 41
- CopyrightID (CopyrightChains transaction hash)
0x8c5972b0384edbe98b34d0123ef4e34e9bae56d88457a651ba16bd2f6695a21e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:213553728be1a34fefa22613e19524d8f18b58de14e18b7a0285ab277a8a6421- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70740308
- Bitcoin block existence check
- https://blockstream.info/api/block/953513