Déjà vu

Recording by Polakan.

Recording identifiers

ISRC
QMDA62415074
CopyrightID (CopyrightChains transaction hash)
0xa72e573ce2fb8b66170b226a1f2740dc788b306158f55c8523a23a6ed2c7d1d9
Copyright registration time
2026-06-22T03:28:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:ddab00479ce74ee43140283318c45c3b880d02736e65e714c33e9a08dff46689

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.