DÉJÀ VU

Recording by Jean Then.

Recording identifiers

ISRC
QMBZ92477265
CopyrightID (CopyrightChains transaction hash)
0x92a40ddd1c356a1241f3946851d40a4a15d91fa1540fa33120c9f7aad576699a
Copyright registration time
2026-07-29T18:42:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:ce5a26c2df42b69847693767e5fca47a7f6c345310276df0f04eefe494e2a74b

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.