Estonian Lullaby

Recording by Arvo Pärt.

Recording identifiers

ISRC
GBELX2007290
CopyrightID (CopyrightChains transaction hash)
0x1a18bbdcc8626ed4631c4ccf12ed07a156ac39e3f0e85b104ac0a9d33dfa9bf7
Copyright registration time
2026-06-25T20:39:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:303da60f1e3b8b7b51580353a6236001341f02199ed039034dfdf031a388f7b1

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.