4th Floor Theme - Techno-Dub

Recording by 2 Brothers On The 4th Floor.

Recording identifiers

ISRC
NLA242100769
CopyrightID (CopyrightChains transaction hash)
0xda93f2a9a67ebe5670e9bd7710268895e75b611995ae68f630f43f4dfefa2767
Copyright registration time
2026-07-06T08:31:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-13T07:53:33Z
Bitcoin block
957819
Canonical record hash
sha256:ffa050da7f400a8905bb899a8db2250113dfbc1b3a14fa136c56f0afba6ce81a

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.