Two Steps Behind - String / Acoustic Version

Recording by Def Leppard.

Recording identifiers

ISRC
GBF089390198
CopyrightID (CopyrightChains transaction hash)
0x6cc4e0b6f0718060364b946c636dec9462ba11e69faaeceb70d78550bb4ae481
Copyright registration time
2026-06-01T21:21:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:e7d56cb99c619a8ed9abbead1bbfc98370d3989842d9babf82f9273164955719

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.