Heavy - Instrumental

Recording by Humbird.

Recording identifiers

ISRC
QZEYD2200034
CopyrightID (CopyrightChains transaction hash)
0x66a4f1baad01d280ebd93355ab5dc5f3209987ddd25bd94e67bfa56c41344ebb
Copyright registration time
2026-07-06T09:01:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:f32115dad401922863903fbd8a4f28133282cc7e2dd71bd386ac2443909090d4

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.