The Call Of Ktulu - Remastered

Recording by Metallica.

Recording identifiers

ISRC
QMKHM1600101
CopyrightID (CopyrightChains transaction hash)
0x0aa3f27a7f3cb3f2c49585ff5bad2922a40d54bdeaf34885726027927f9b2e86
Copyright registration time
2026-06-04T08:06:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:5161fba40645ef263be21757923f8b1c400e45f34ddcce00b15898106f605ee8

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.