The Nutcracker, Op. 71, Act II, Scene 3: Pas de deux. Adagio

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
NLY331107471
CopyrightID (CopyrightChains transaction hash)
0x7630b32c791da8a4d57d203b7d278fa4ae034740d35185d9958aae134420102a
Copyright registration time
2026-06-24T10:18:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:76f0313331e7eb012ee90f653ba60859beedf16eebb7bf2a35c178292156abb9

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.