Children's Songs, Op. 54: X. Berceuse

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DEE860901755
CopyrightID (CopyrightChains transaction hash)
0x24ea823b88ce02e30afb9b4fa9a9ee5f0132cea224748eaa4ceada4865d77ca1
Copyright registration time
2026-06-23T00:34:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f185edc3264a179b0ed47e27dfee4e35c5cbe86de632a3d752a50c616a407c11

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.