Iron Maiden

Recording by Thomas Zwijsen.

Recording identifiers

ISRC
NLWK32100015
CopyrightID (CopyrightChains transaction hash)
0x32546815e9fa51183a648c0fb0d3439369688c880465576cdc2410f580ac476b
Copyright registration time
2026-07-07T20:14:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c9c3269f1f33e7c52146f906fed9433de09cf8e1e0a6c3d0edb008bf697d10fa

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.