ISRC USIR20400693
Verified recording
USIR20400693 is “The Bitter End” by Sum 41,
registered on the CopyrightChains blockchain with CopyrightID
0xc3fcb14b0ea0ec5eb590035175dc11eaa98524955c0b6885d4f1f17d54c430fc 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/USIR20400693.
Recording identifiers
- ISRC
- USIR20400693
- Title
- The Bitter End
- Artist
- Sum 41
- CopyrightID (CopyrightChains transaction hash)
0xc3fcb14b0ea0ec5eb590035175dc11eaa98524955c0b6885d4f1f17d54c430fc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:06582ccbf15cf74ae6b882d4ac798085ac0365edd02c3f9f8a7fe7d306751a12- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USIR20400693
- Bitcoin block existence check
- https://blockstream.info/api/block/953513