ISRC USMB51100041
Verified recording
USMB51100041 is “Undefeated” by Def Leppard,
registered on the CopyrightChains blockchain with CopyrightID
0xc11ae3727923043d4f9ac3ba2ece7020efea05580340805319a0928a5264dded 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/USMB51100041.
Recording identifiers
- ISRC
- USMB51100041
- Title
- Undefeated
- Artist
- Def Leppard
- CopyrightID (CopyrightChains transaction hash)
0xc11ae3727923043d4f9ac3ba2ece7020efea05580340805319a0928a5264dded
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:a94dc6773f623cdfd0379159976ac82deb33edbdd2c06e955e1f18a1b7108596- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMB51100041
- Bitcoin block existence check
- https://blockstream.info/api/block/953513