Mazerfacker

Recording by La Chanson Du Dimanche.

Recording identifiers

ISRC
FR1Q20800057
CopyrightID (CopyrightChains transaction hash)
0x3b001f354a2dce992466cc7c7ac44156a56d87a593f2f6004dc6c15497fefd92
Copyright registration time
2026-07-07T15:09:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:db3f88314f5b991b655d915bab45880cc78cf14b6411d78fefc3127db0b98d02

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.