Three Pieces: I. Lullaby

Recording by Valentin Silvestrov.

Recording identifiers

ISRC
NLB152200894
CopyrightID (CopyrightChains transaction hash)
0x58a5b16eaabdb1169e5db574a501b79a25e22cc0250f35a49c68e3997d36aa2f
Copyright registration time
2026-07-30T16:08:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26Z
Bitcoin block
960284
Canonical record hash
sha256:bdab1067fa51a1e871582418625cb9013e8ff403041eaa427856a712af827415

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.