The Nutcracker, Op. 71: Act II: Tableau, Bild 3 - Scene

Recording by Ernst Hoffmann.

Recording identifiers

ISRC
HKI199339711
CopyrightID (CopyrightChains transaction hash)
0x0e3c33743c4cec98a8318610b333b5fc2425481da0e6c939dceac0b7b3ca1ae9
Copyright registration time
2026-06-21T05:04:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f4bf1c050dac744b1602f3e9caf76d9091e2f22ea359225941acf405f7189132

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.