Lunch

Recording by Cactus Vibrance.

Recording identifiers

ISRC
QMDA72170413
CopyrightID (CopyrightChains transaction hash)
0xb7a93379275813ce3d0f1452c0fb864286d9fc14853fa16ee25eb94ad3d04567
Copyright registration time
2026-07-30T10:07:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T10:42:33Z
Bitcoin block
960247
Canonical record hash
sha256:084985dd9390d07f25867a5b4db39777cc94389c563f5ab2ff6a3e279de633c0

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.