When A Blind Man Cries

Recording by Metallica.

Recording identifiers

ISRC
QMKHM1600391
CopyrightID (CopyrightChains transaction hash)
0x649189973e5cd510dab9e94e72e5d57f49b3a4f14f4666a3f19c89fefd4f133f
Copyright registration time
2026-06-04T14:23:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:84b0d75dd2847a75dc911b0507217d1bcb1fc319e19dc93925014654c3321a8c

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.