The Nutcracker Suite Op. 71a: No. 1: Overture miniature

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
GBJ2F1011135
CopyrightID (CopyrightChains transaction hash)
0x5b54334cb43877f3cb53709ee5733d62f465871fba1b2c581bb5125a58347a42
Copyright registration time
2026-07-07T16:09:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:70ab39ccc119ff014d63942879729d79fbaf2160df8486d84df6fea12163c01c

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.