Lullaby, Op.16 No.1

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
GBPCP0800205
CopyrightID (CopyrightChains transaction hash)
0xbb44cab5fcab67e91fb52334a5ebaec9a142c88ab160685c4cee58edd55968ec
Copyright registration time
2026-07-07T00:18:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:935b7e314ca31a2ad470945e3f238ae80c168d8ac68bda329f04834c2b5798c7

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.