Trois couleurs Blanc: I. The End

Recording by Zbigniew Preisner.

Recording identifiers

ISRC
NLY331800305
CopyrightID (CopyrightChains transaction hash)
0x17c2348afb01e31f40f0b23a0d4b6902318f8a739abee561ae2d9749aee8d1db
Copyright registration time
2026-07-30T17:46:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33Z
Bitcoin block
960291
Canonical record hash
sha256:7cb28ed32bd3f66a6db150f21decb3b5629994fa934ae6aa9c5573b5011e179f

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.