The Nutcracker, Op. 71: Overture

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
FINDE1100083
CopyrightID (CopyrightChains transaction hash)
0xebe658210b4845716ecf266138ee2ec195f6f56b764da4b31a11fd4c308ca95b
Copyright registration time
2026-06-08T11:37:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:6a562069a964feb6460dc9264b52f1530c324bf71357dd196f067e140a063c1b

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.