Trois couleurs Bleu: I. Olivier's Theme

Recording by Zbigniew Preisner.

Recording identifiers

ISRC
NLY331800307
CopyrightID (CopyrightChains transaction hash)
0x9ae2293eb0cd888da3cbe06f75af563ac8111a7856c04336b005e3e536c95fec
Copyright registration time
2026-07-07T17:16:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:647449a1583eb2367079db1fe65e5f24d067e62685212ffa7f87c8ebb843ffbc

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.