1987 (Rap isch meh...) - Instrumental

Recording by Black Tiger.

Recording identifiers

ISRC
CH7811928576
CopyrightID (CopyrightChains transaction hash)
0x5fa4ec32cf999a563eb25724fd4c8b46b0fb86efce3bb55041ef58d674ae792b
Copyright registration time
2026-07-07T21:02:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:703975b057b5084142053e4e38323c8265a0350c8958905ca85380e9abcc263e

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.