Alexandra Leaving

Recording by Zbigniew Preisner.

Recording identifiers

ISRC
PLX352400028
CopyrightID (CopyrightChains transaction hash)
0x0f1c758beb536e6ad60f7c8269bfd436ef20e5d072b066b5e8e0d0765d1de50a
Copyright registration time
2026-07-22T17:09:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T17:48:40Z
Bitcoin block
959159
Canonical record hash
sha256:5359ff0c219457bc92ec0de18500befe3664f8a5abc38abb350e3de4f5fe97a6

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.