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
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2392884224cc83567585ab2cef80b2e99049c4aaec6f4a34ac67e07843d552e9

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.