What Up

Recording by Maciej Spons.

Recording identifiers

ISRC
QZMEQ2150940
CopyrightID (CopyrightChains transaction hash)
0x7c3e1b3bba657c8c4dfe1d87e2932ead96114515ef6e2fdab314074e6c745c41
Copyright registration time
2026-06-27T10:30:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:4dca5cfe56f49e4289c98b33385c2c56d0686755dfea0212c8e4c85bf9a8e95c

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.