The Nutcracker Suite, Op. 71a: II. Danses caractéristiques: Marche

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DEP629700765
CopyrightID (CopyrightChains transaction hash)
0xad519f7c624baa8b7f74a2334029491fc1a1eb2b3f3a09256bf9f546605ba895
Copyright registration time
2026-06-18T11:05:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:38924cb7d4425fa24c2a62f62ae27f20eb8539b5ed16136a47880c26a07f4c5d

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.