Undaground Rappa

Recording by Das EFX.

Recording identifiers

ISRC
USEW29300056
CopyrightID (CopyrightChains transaction hash)
0x5c952b44b4e2d860edf91e70da8c6479e8aaacab18c1cccc0f2adc0a76cba3f9
Copyright registration time
2026-06-08T16:19:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:ea3c87300ecf35874e2a7bb2136df6ebecdd219b23f49ab1c5e73adc2e6b87a3

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.