Nutcracker Suite, Op. 71a: Marche. Tempo di marcia viva

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
USSM16000180
CopyrightID (CopyrightChains transaction hash)
0xed8891c03d5e40fe1758cbb818e741ca8386650e0023b3facbccf0a3f8b98c8c
Copyright registration time
2026-07-07T11:54:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:279569e1468460a2ee3e26f8b206cc043b0851d06586eb0a2d25809d3014bf0f

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.