How to Survive in a Big Family

Recording by Christopher Lennertz.

Recording identifiers

ISRC
USN1R2118001
CopyrightID (CopyrightChains transaction hash)
0xfbc77818545a1dc48f58acd6748ea491ee957672724fdda6ec83c0db8375528a
Copyright registration time
2026-07-07T00:24:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:badf702b09c1d42b3edfd1cb2b0a1e025cb40983e7c0b877e860532c3c892c2d

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.