Two Steps Behind - Acoustic

Recording by Def Leppard.

Recording identifiers

ISRC
GBUM70905166
CopyrightID (CopyrightChains transaction hash)
0xe81e12341ac824e32b96db8a52a85d0afc8b6459a22aa5b3d45fcfa71bed449a
Copyright registration time
2026-06-04T13:45:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:9c65125998bebcdd5046be9db2ed63e16badd70733fa8a9298d39e4e2050305a

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.