The Dark Past

Recording by Zbigniew Preisner.

Recording identifiers

ISRC
GBE7J1060008
CopyrightID (CopyrightChains transaction hash)
0x364d72eb6a8df55399364223d26c49ae1ae79e64545928b867281044db0712eb
Copyright registration time
2026-07-29T21:03:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:74d9b1fb1aca2cfa739a3487dde6cea0134262ffc0c5d49d0151ad0715e5c2fd

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.