Tchaikovsky: The Nutcracker, Op. 71, Act I, Scene 1: No. 7, The Battle

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
GBAYC1000862
CopyrightID (CopyrightChains transaction hash)
0xfcf7f2f68d30b42d4c0422783b6a0317c7ea9d13e97fcff36f336fbdddb406cd
Copyright registration time
2026-06-04T15:55:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:892b782567df3f034e2c030e15c586daeff208c2be1c6bb72d6eecf774bacd9b

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.