The Nutcracker, Op. 71, Act II: No. 15b, Apotheosis

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
NLA508640826
CopyrightID (CopyrightChains transaction hash)
0x4381b23972b8f00db3fb9b3d1b47794377b838818826d355542a035c609a3160
Copyright registration time
2026-07-07T16:09:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3821f3bc8e13baca9a483689a252c2789b8b2065dc1adce11b7ed32c5e82131b

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.