Lullaby

Recording by Zbigniew Preisner.

Recording identifiers

ISRC
PLX351900025
CopyrightID (CopyrightChains transaction hash)
0x4af1488e0d2526472df225b1b08096028c2c95be6dd3293457cb81335b6a9230
Copyright registration time
2026-07-30T17:25:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:41:38Z
Bitcoin block
960288
Canonical record hash
sha256:17d23c9be03205a010033a8b85a452428c4a8a859a3acc70dc873e39606a30d8

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.