2 + 2

Recording by Rufus Kluge.

Recording identifiers

ISRC
QZTBA2329140
CopyrightID (CopyrightChains transaction hash)
0xab554c901a971feb0356de4dd3d89411492b0322f389d3645663259bff18d6fc
Copyright registration time
2026-07-31T03:24:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T04:14:58Z
Bitcoin block
960344
Canonical record hash
sha256:ab1c8c6f3feed048644e7e6d74f4685f1a9811b38d0189bf3ef85adfb73094a4

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.