The Nutcracker, Op. 71, Act II: No. 12d, Trepak (Russian Dance)

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
GBAYC8701457
CopyrightID (CopyrightChains transaction hash)
0x59b5b707ea61e2bc8172aa47dc18595096460dc302abbd9d6c2f3e5d802fcca7
Copyright registration time
2026-06-21T05:09:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:69cd09d4a44c13b66fdcb23bcd87dcc94cf334f16180aa0fb03ba562c9b12bbd

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.