The Nutcracker, Op. 71, TH 14: Overture

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
USBC15600225
CopyrightID (CopyrightChains transaction hash)
0xc6fe1fb3adaf438629b5c41d3a192d1b9269cf4839c232222f5d490a8ef81b37
Copyright registration time
2026-07-07T03:50:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:eeb44af5e4803c13b6175557ecf22cf36bf1550a78ed45aadf31b8ef6dfe0877

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.