ISRC USIR20200949
Verified recording
USIR20200949 is “Hooch” by Sum 41,
registered on the CopyrightChains blockchain with CopyrightID
0x81e8d1c4813df913dc5f4ad4ead4e23c347f8cf88e257a810120a13d8895f8ef 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/USIR20200949.
Recording identifiers
- ISRC
- USIR20200949
- Title
- Hooch
- Artist
- Sum 41
- CopyrightID (CopyrightChains transaction hash)
0x81e8d1c4813df913dc5f4ad4ead4e23c347f8cf88e257a810120a13d8895f8ef
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:22e15a0e7844660bd77db521e55930a647ef8f5172eb96888b18499a52c793cf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USIR20200949
- Bitcoin block existence check
- https://blockstream.info/api/block/953513