The Nutcracker, Op. 71: Act II Tableau 3: Coda

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
FINDE1100105
CopyrightID (CopyrightChains transaction hash)
0xc2f04a255391da479b110ee03f67a555873c602e101c73c2bdb896b4a4c5d65b
Copyright registration time
2026-06-11T06:06:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:440ab76ec4a7a1a500b98c10f48ee68acc67feb2d28e305c609547fc4c483ad3

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.