The Unforgiven II

Recording by Metallica.

Recording identifiers

ISRC
GBAMC9700004
CopyrightID (CopyrightChains transaction hash)
0x4b5c345de329c0772df89419d0f5f48bbc2cab5080cc8cba7cd50206ee9f6c78
Copyright registration time
2026-06-01T07:36:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:03813ff3d77f169d0052a654199396d4c6803d0d22bbb3501c1e5c7dc051f9b0

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.